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Posts Tagged ‘U.S. Temperatures’

U.S. Freezes!

Posted by feww on November 19, 2014

DISASTERS CAUSED BY CLIMATE CHANGE
EXTREME WEATHER EVENTS
PARALYZING WINTER STORM
STATE OF EMERGENCY
SCENARIOS  887, 785, 666, 560, [500,] 444, 187, 177, 157, 111, 078, 063, 027, 023, 02
.

NY Declares State of Emergency Amid Deadly Snowstorm

All 50 U.S. states experience freezing temperatures or colder weather as a polar vortex pushes arctic air across the country.

Every U.S. state, including Hawaii, saw temperatures plunge to freezing point or lower on Tuesday, said the National Weather Service (NWS).

State of Emergency Declared in New York

The arctic blast also prompted NY governor to declare a state of emergency in western and central New York due to heavy snow.

The counties included in the executive order are Cattaraugus, Chautauqua, Erie, Franklin, Genesee, Herkimer, Jefferson, Lewis, Oswego, Wyoming, and contiguous counties.

“This storm may persist until Friday morning with the potential for another two feet of snow,” said Cuomo, dispatching the National Guard. “New Yorkers in these areas should exercise extreme caution, and stay off the roads until conditions are clearer and safer.”

Up to 1.2 meters of snow is forecast for large swathes of western New York, while several areas could receive as much as 1.8 meters, said NWS.

Deadly Snowstorm

“Four people have died as a result of the snowstorm. Three of them succumbed, apparently from heart problems, two of them while shoveling the deep snow. Another was killed while attempting to push a car out of a drift,” said a report.

Surreal Storm

A New York highway superintendent called the snowstorm “surreal.”

“I’ve been here 33 years and this is one of the top ones,” he told The Buffalo News. “It’s surreal … this is one of the worst I’ve seen.”

Historic Event
“This will be a historic event. Absolutely. It is a historic event,” said a forecaster with NWS.

National High and Low Temperature (for the contiguous United States)
NWS Weather Prediction Center, College Park, MD
Issued 7 pm EST Tuesday, November 18, 2014

High Temperature for Tuesday, November 18, 2014

  • 28°C (83 degrees F) at Homestead AFB, FL

Low Temperature for Tuesday, November 18, 2014

  • -30°C (-22 degrees F) at Lamar Ranger Station, WY

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First Paralyzing Winter Storm Arrives

Posted by feww on November 15, 2014

DISASTERS CAUSED BY CLIMATE CHANGE
EXTREME WEATHER EVENTS
PARALYZING WINTER STORM
SCENARIOS  887, 785, 666, 560, [500,] 444, 187, 177, 157, 111, 078, 063, 027, 023, 02
.

Arctic blast continues across much of the US: NWS

First major winter storm of the 2014/15 hitting the Rockies

A January-like weather pattern is forecast to continue across most of the US, with
another arctic surface high moving south from Canada, said NWS forecasters, reinforcing the freezing air mass already in place . . . “unseasonably cold temperatures will fall even further this weekend, and the cold temperatures will persist for most of the central and eastern U.S.”

The first significant winter storm for the central Rockies and intermountain West is underway and bringing heavy snow to the higher elevations and a wintry mix to the valley locations. Parts of Oregon and Idaho have already seen significant snow and ice accumulations from this event, and winter storm warnings and winter weather advisories are in effect from Oregon to the Colorado Rockies. [NWS]

The cold weather is forecast to affect the Deep South, with sub-freezing overnight lows from eastern Texas to the southeast coast, said the forecasters.

min temp-11-15-2014

National High and Low Temperature (for the contiguous United States)
NWS Weather Prediction Center, College Park, MD – Issued 7 pm EST Friday, November 14, 2014

High Temperature for Friday, November 14, 2014

  • 29°C (84 degrees F) at Pembroke Pines, FL

Low Temperature for Friday, November 14, 2014

  • -31°C (-24 degrees F) at Jordan, MT
  • -31°C (-24 degrees F) at 12 miles north of Hingham, MT

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40 Degrees Below Average

Posted by feww on November 11, 2014

Images of the Day:

Temps as much as 40 degrees below average from the Rockies to the Plains

Unseasonably cold temperatures brought by a polar vortex [arctic airmass] will continue to surge southward through the central U.S. Temperatures are forecast to drop by ass much as 40 degrees below climate average for areas east of the Rockies into the Great Plains: NWS/NOAA

temps-november-11-2014

Great Falls, Montana – Great Falls International Airport (KGTF)

Temperature: -20°C [-4°F]
Humidity: 86%
Wind Speed: SW 7 MPH
Barometer: 1044.0 mb [30.53 in]
Dewpoint: -22°C [-7°F]
Wind Chill: -18°F (-28°C)
Tuesday Night Forecast Low: -26°C [-15 °F]

  • Wind chill values:  as low as -35°C [-31 °F]

Last Update by NWS on 11 Nov 7:53 am MST

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⊆⊗⊇

June 27th Lava Flow Ignites First Home in Pahoa, Hawaii

Active lava has moved to within about 20 meters (22 yards) of the transfer station fence and also continued to expand through private property across the street from the station. At 11:55 AM, HST, an unoccupied home on that lot was set on fire by advancing lava. Source: HVO

HVO Image-971
Helicopter view looking west across the lower part of the June 27th lava flow. Smoke plumes show areas of active lava breakouts. The transfer station is in the middle of the image (white roofed structures). At upper left, smoke rises from the margin of a new, northeastward directed finger of lava. Source: HVO

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July 2012: Hottest Month on Record for Continental U.S.

Posted by feww on August 9, 2012

Disaster Calendar – 9 August 2012

SYMBOLIC COUNTDOWN: 1,315 Days Left

[August 9, 2012] Mass die-offs resulting from human impact and the planetary response to the anthropogenic assault could occur by early 2016.  SYMBOLIC COUNTDOWN: 1,315 Days Left to the ‘Worst Day’ in Human History…

Hi temps and low precipitation intensified drought 2012, covering  about 2/3 of the U.S., as deadly wildfires burned millions of acres

July average temperature for contiguous U.S. climbed to 77.6°F, 3.3°F above the 20th century average, making it the hottest July and the hottest month on record for the country, reported NOAA. “The warm July temperatures contributed to a record-warm first seven months of the year and the warmest 12-month period the nation has experienced since recordkeeping began in 1895.”

“The August 2011-July 2012 period was the warmest 12-month period of any 12-months on record for the contiguous U.S., narrowly surpassing the record broken last month for the July 2011-June 2012 period by 0.07°F. The nationally averaged temperature of 56.1°F was 3.3°F above the long term average. Except Washington, which was near average, every state across the contiguous U.S. had warmer than average temperatures for the period.”

  • The previous warmest July was Dust Bowl summer of 1936 when the average U.S. temperature was 77.4°F.
  • Precipitation in continental U.S. averaged 2.57, 0.19 inches below average.
  • Virginia experienced its warmest July, with a statewide temperature 4.0°F above average.
  • Record heat also contributed to the warmest ever January-to-July period.
  • U.S. temperatures have now broken the hottest-12-months record 4 times in as many months (see chart below).
  • The U.S. Climate Extremes Index (USCEI) soared to a record-large 46 percent (more than twice the average value) during the January-July period, beating the previous record large CEI of 42 percent which occurred in 1934.


Year-to-date temperature Chart, by month, for 2012 (red), compared to the other 117 years on record for the contiguous U.S., with the five ultimately warmest years (orange) and five ultimately coolest years (blue) noted. Source: NCDC


The ten warmest 12-month periods recorded in the U.S. Temperatures have now broken the hottest-12-months record 4 times in as many months.  Source: NCDC

Other Global Disasters/ Significant Events

U.S. Drought Disaster 2012

About a quarter (24.14%) of the Continental U.S. is now in ‘Extreme’ or ‘Exceptional’ drought (D3 – D4), a rise of about 2 percent since July 31, and nearly a half (46.01%) of the country is experiencing ‘Severe’ to ‘Exceptional’ drought levels (D2 – D4), according to data released by the US Drought Monitor.


U.S. Drought Map. Comparison maps for July 31 and August 7, 2012. Source: US Drought Monitor

  • New Mexico. USDA has designated eight counties in New Mexico as agricultural disaster areas due to damages and losses caused by the ongoing drought.
  • Nebraska. USDA has designated 38 counties in Nebraska as agricultural disaster areas due to damages and losses caused by the ongoing drought. The disaster declaration extends to the following counties in bordering states
    • Iowa: 3 counties
    • Kansas: 2 counties
    • South Dakota: 3 counties
  • Mississippi. USDA has designated 6 counties in Mississippi as agricultural disaster areas due to damages and losses caused by the ongoing drought. The disaster declaration extends to the following counties in bordering states
    • Arkansas: 2 counties
  • Oklahoma. USDA has designated 20 counties in Oklahoma as  agricultural disaster areas due to damages and losses caused by the ongoing drought. The disaster declaration extends to the following counties in bordering states
    • Kansas:  Cherokee County.
    • Missouri: 2 counties.

Oklahoma Drought Map


Oklahoma Drought Maps for July 31 and August 7, 2012.
Source: US Drought Monitor.

  • South Dakota. USDA has designated 6 counties in South Dakota as agricultural disaster areas due to damages and losses caused by the ongoing drought. The disaster declaration extends to the following counties in bordering states
    • Iowa: Lyon County.
    • Minnesota: 2 counties.
  • Ohio. USDA has designated 4 counties in Ohio as agricultural disaster areas due to damages and losses caused by the ongoing drought. The disaster declaration extends to the following counties in bordering states
    • Michigan: Hillsdale County.
    • Indiana: 2 counties.
  •  Arkansas. USDA has designated 6 counties in Arkansas as agricultural disaster areas due to damages and losses caused by the ongoing drought.
  • Illinois. USDA has designated six  counties in Illinois as agricultural disaster areas due to damages and losses caused by the ongoing drought. The disaster declaration extends to the following counties in bordering states
    • Wisconsin: 2 counties.
  • Iowa. USDA has designated ten counties in Iowa as agricultural disaster areas due to damages and losses caused by the ongoing drought. The disaster declaration extends to the following counties in bordering states
    • Minnesota: 2 counties.
    • Nebraska: 2 counties.
    • S. Dakota: 3 counties.


Iowa Drought Maps for July 31 and August 7, 2012. Source: US Drought Monitor. The areas covered by extreme or exceptional drought levels in Iowa have more than doubled from 30.74 percent last week to 69.14 percent on August 7.  Iowa is the country’s top corn and soybean producer.

  • Minnesota. USDA has designated 4 counties in Minnesota as agricultural disaster areas due to damages and losses caused by the ongoing drought. The disaster declaration extends to the following counties in bordering states
    • Iowa: Lyon County
    • South Dakota: Two counties
  • Kentucky. USDA has designated 9 counties in Kentucky as agricultural disaster areas due to damages and losses caused by the ongoing drought. The disaster declaration extends to the following counties in bordering states
    • Indiana: Perry County.
  • Kansas. USDA has designated 21 counties in Kansas, a key farm state,  as agricultural disaster areas due to damages and losses caused by the ongoing drought. The disaster declaration extends to the following counties in bordering states
    • Missouri: 2 counties.
    • Nebraska: 5  counties.
    • Oklahoma: 2 counties.

Kansas Drought Map

Kansas Drought Maps for July 31 and August 7, 2012. Source: US Drought Monitor.

U.S. Corn Condition

Map of the Agricultural Weather Assessments for U.S. Corn Conditions for the week ending August 4, 2012. Source: USDA

Europe. Watch this space!

  • Manila, Philippines.  Authorities in the Philippines have appealed for “more medicines, blankets, mats and, more importantly, dry clothes” to help more than two million people displaced or severely affected by floods in and around Manila, as the death toll mounted.
    • many evacuation centers are  unable to provide warm meals for the growing numbers displaced, AFP reported Social Welfare Secretary Corazon Soliman as saying. “Most local government units do a community kitchen, but the volume of evacuees is so big they have been overwhelmed,” she said.

Global Disasters: Links, Forecasts and Background

Posted in global deluge, Global Disaster watch, global disasters, global disasters 2012, global drought, global heating, global Precipitation, global precipitation patterns, global Temperature Anomalies, global temperatures, global water crisis | Tagged: , , , , , , , , , , , , , , , , , , , , , , , , , , | Leave a Comment »

Extreme Heat Threatens Central Plains, Midwest, Eastern U.S.

Posted by feww on July 19, 2011

Deadly heat here to stay

Triple digit temperatures to scorch many areas from central Texas to the Canadian border

Central plains states to remain under heat alerts as the high pressure system responsible for the extreme heat inches toward the East Coast: NWS

Heat Warnings, Watches and Advisories are in effect for parts of 18 central Plains and Midwest states, including:
  • North Dakota, South Dakota, Nebraska, Kansas, Oklahoma, Texas, Minnesota, Iowa, Missouri, Arkansas, Wisconsin, Illinois, Michigan, Indiana, Kentucky and Ohio.

Hazards Assessment Map


NWS has forecast that excessive heat will persist from today through July 29 in all the eastern half of the country except for the Northeast. Click image to enlarge.

U.S. Daily Highest Max Temperature Records set in July 2011

Total of 1,048 records Broken (541), or tied (507) so far. Source: National Climatic Data Center. Click map to enlarge.

US Hazards Map


Maximum Heat Index (ºF) – July 20, 2011 forecast by NWS.


The high pressure ridge will cause high temperatures and high heat indices forecast at higher than 100ºF plus for Mon/Tues, and 105ºF plus for Wed/Thurs/Fri, NWS said.

Prognosis by NWS
A large ridge of high pressure in the upper levels of the Atmosphere remains in place across the central U.S., keeping hot temperatures in place. The hot temperatures combined with high relative humidity will create dangerous heat indices well above 100 degrees over a large portion of the nation. The upper-level ridge will begin to expand eastward this week. By midweek, the hot temperatures will begin to spread into the eastern states,  with high temperatures in the mid to upper 90s arriving in the Mid-Atlantic states as soon as Wednesday. High temperatures in excess of 100 degrees will be possible by Thursday across much of the Mid-Atlantic states and parts of the southeast U.S. these triple-digit temperatures are forecast to remain in place across the eastern U.S. through the weekend.

UPDATE @ 13:00UTC

The heat wave that has been affecting much of the central U.S. continues to produce dangerous levels of heat and  humidity from the Dakotas to Texas and eastward into the Ohio Valley. Heat index values as high as 131°F (55ºC) were reported yesterday and excessive heat watches, warnings and heat advisories are in effect today for a large portion of the central U.S., with temperatures in many locations exceeding 90 degrees, but feeling like 100-110 degrees or higher with the high humidity factored in. The large area of high pressure responsible for the excessive heat will expand eastward over the next several days, with high temperatures in the mid to upper-90s reaching the Mid-Atlantic states by tomorrow, and nearing 100 degrees by Thursday across the Mid-Atlantic and parts of the Southeast. Excessive heat is forecast to grip most of the eastern half of the country — with the exception of the Northeast and southern Florida — through at least the weekend.

Summary of today’s weather for the central United States include:
  • Dangerous heat continues in the Plains and gradually builds toward the East Coast
  • Severe storms possible from the Ohio Valley into the Northeast and northern Mid-Atlantic, and the Northern Plains
  • A heavy rain threat extends from the Upper Texas Coast to the Central Gulf Coast (Source: NWS)

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Killer Heatwave Returns

Posted by feww on July 18, 2011

Deadly Weather Set to Return This Week

A strong upper level ridge of high pressure shown below (500mb heights) will remain entrenched across central US, strengthening during the early part of the week, and moving into the Ohio Valley later in the week, NWS said

The  system will cause potentially deadly weather with heat and humidity prevailing.


Maximum Heat Index (ºF) – July 20, 2011 forecast by NWS.


Chance of Mean Heat Index > 100ºF. Click images to enlarge.


Chance of Mean Heat Index > 105ºF. Click images to enlarge.

 

Hazard Assessment Map: EXCESSIVE HEAT

Oppressive Heat and Humidity Set to Return

Excessive Heat Warnings, Watches and Advisories Issued for 3 Dozen States


The high pressure ridge will cause high temperatures and high heat indices forecast at higher than 100ºF plus for Mon/Tues, and 105ºF plus for Wed/Thurs/Fri, NWS said.

Selected Weather Stories


Synopsis: After a stretch of warm summer like temperatures, the longest stretch of oppressive heat and humidty of the season is upon us.  Temperatures will continue to climb through the 90s by the end of the weekend with dew points remaining elevated.  By the new work week, temperatures are expected to build towards or even past the 100 degree mark in portions of Missouri and are expected to surpass 100 degrees over much of Kansas.  However, humidity values will be lower.  Unfortunately, heat index readings will climb between 105 and 115 each day through next Friday.  Little in the way of nighttime relief is expected due to light winds and temperatures remaining near 80 degrees.

An excessive heat warning is in effect for much of Kansas and Missouri through 7pm Friday.  This is a dangerous situation!  Please check on relatives, neighbors, and friends who may not have resources to stay cool in these conditions.  Drink plenty of fluids and refrain from long periods of outdoor exposure; heat related illnesses can occur in minutes. (Source: NWS)


Sunny, hot and humid conditions with highs up to 105 through at least mid-week. Elevated humidity levels will help create high heat index values, resulting in an Excessive Heat Warning to be in effect across the region into mid-week. NWS

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Deadly Heat Grips Central United States

Posted by feww on July 16, 2011

Killer Heat Already Claimed Dozens of Lives

Deadly heat has taken over weather conditions in the central United States; forecast to last through next week

Heat warnings, watches and advisories have been issued from Texas to the Canadian border and from the High Plains to the western Great Lakes.

Deadly heat already claimed dozens of lives and has now taken over weather conditions in the central United States; forecast to last well into next week. NWS has issued heat warnings, watches and advisories have been issued from Texas to the Canadian border and from the High Plains to the western Great Lakes. Click image to enlarge. 


U.S. Weather Hazards Map. Click image to enter interactive portal.

Weather highlights for the central United States include:

  • Dangerous heat beginning to build from the southern and central Plains to the North
  • Severe weather threat from the central and northern Plains into the Upper Mississippi Valley [Source: NWS]

Excerpts from NWS Weather Forecast

  • Heat and humidity that has stagnated across the southern Plains will spread through the central Plains into the Dakotas, today, bringing a possibility of triple-digit high temperatures through the weekend and into the first half of next week.
    • Excessive Heat Warnings are in effect for parts of Kansas, Missouri, Nebraska, Oklahoma and South Dakota.
    • Heat Advisories are in effect for parts of Oklahoma and Texas.
    • Excessive Heat Watches will go into effect Saturday for portions of the central and northern Plains and the Midwest, including the Dakotas, Illinois, Iowa, Minnesota and Wisconsin.
  • . . . the heat will be relentless over a 16-state area in the heart of the country, lasting into the latter half of next week. The central Plains will see excessive heat continue from July 17-21 and triple-digit highs will bake the southern half of the Atlantic Coast July 19-27.

Official Death Toll

  • As of July 14, 2011, the official toll from the killer heat waves in the U.S. was reported at 39 fatalities.

U.S. Flood Map


U.S. Flood Map: 88 sites were at Major, Moderate or Minor Flooding stage as of 07/16/2011 at 09:01:15 am EDT / 07/16/2011 13:01:15UTC
76 sites weer at Near Flood stage as of 07/16/2011 at 09:01:15 am EDT.

In Mega Heatwaves Could Kill Thousands in the U.S. posted on July 11, 2011 FIRE-EARTH warned:

Deadly heatwaves of unprecedented intensity could strike the U.S. in 2011 and beyond, claiming tens of thousands of lives and affecting millions more: FIRE-EARTH Climate Model

Please cite FIRE-EARTH as the source for above forecast, if you’re copying/re-writing this information.

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US Weather: SW, SE Continue to Boil

Posted by feww on July 15, 2011

Dangerously hot and humid conditions, flooding and severe weather

Unrelenting heat to continue unabated in the SW and south-central Plains and parts of the Southeast: NWS


Excessive heat is forecast to return “with a vengeance through much of next week.” The NWS hazards assessment map indicates excessive heat would return to two regions, covering parts of at least 24 states. Click image to enlarge.

Triple digit temperatures with heat index of about 120 degrees (49ºC) forecast across the South Thursday, with “no end in sight for the blazing temperatures.”

“Excessive Heat Watches and Warnings and Heat Advisories are in effect over a dozen states and high temperatures are expected to spread again across more of the South.” Forecasters said.

Excessive heat is forecast to return “with a vengeance through much of next week” to two regions covering at least 24 states. See above map.

Thursday’s weather hazards include:

  • Dangerously hot and humid conditions across the Southeast
  • Flooding continues and worsens in some parts of the northern and central Plains
  • Severe weather will be a threat in the north-central Plains and the Upper Midwest

High temperatures for today in parts of the country hoping for relief include:

  • Texas: Dallas 101, San Antonio 99, Waco 104, Wichita Falls 106
  • Oklahoma: Oklahoma City 101, Tulsa 100, Woodward 101
  • Kansas: Dodge City 100, Garden City 100, Goodland 94, Hill City 99, Topeka 94, Wichita 99
  • Missouri: Kansas City 91
  • Arkansas: Fort Smith 99, Pine Bluff 94
  • Louisiana: Shreveport 100
  • Mississippi: Tupelo 96

Daily high temperatures through Monday would be in triple digits (NWS forecast), including:

  • 105 degrees or more in Wichita Falls, 102 or higher in Waco
  • 100-102 in Wichita, 100-105 in Dodge City, 102 and higher in Hill City


U.S. Weather Hazards Map. Click image to enter interactive portal.

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Entering 2nd Stage of New Climatic Extremes

Posted by feww on July 14, 2011

Accelerating Toward Extremes

The second stage of  a new phase of climatic extremes has begun: FIRE-EARTH Models

United States: Killer heat to persist, as death toll climbs to at least 42

Worst of the heat grips parts of Arkansas, Kansas, Missouri, Oklahoma and Texas

Heat Advisories and Excessive Heat Warnings remain in effect today for parts of Oklahoma, Texas, Arkansas, Louisiana, Tennessee, Mississippi, Alabama, Georgia, South Carolina, North Carolina and Virginia: NWS


The NWS hazards assessment map indicates excessive heat would persist in a 15-state area from North Dakota to southern Texas. The impacted area includes parts of North Dakota, South Dakota, Nebraska, Kansas, Oklahoma, Texas, Minnesota, Iowa, Missouri, Arkansas, Louisiana, Illinois, Kentucky, Tennessee and Mississippi. Click image to enlarge.

Killer Heat Stats

  • U.S. heat wave has killed at least 39 people, as of July 13.

  • About half the U.S. population (at least 150 million people) have been affected by the killer heat.
  • In Wichita, Kansas the temperature exceeded 100 degrees for the 21st consecutive day.
  • In Oklahoma City, Oklahoma, temperatures hovered around 100 degrees for the 15th consecutive day.
  • Phoenix has experienced 34 consecutive days  at 100+ degrees.
  • Dallas has seen 12 days at 100+ degrees.
  • The searing heat has killed tens of thousands of turkeys and chickens in Kansas and North Carolina. (Source)
  • Temperature records have been matched or shattered about 700 times since July 1.

Severe Thunderstorm

SPC has received 118 (filtered) reports of severe weather for Tuesday, including 3 tornadoes in northeastern Colorado, 89 reports of high winds and 26 reports of large hail. “There were numerous reports of winds in the 55-73 mph range reported in Illinois, Kansas, Missouri and Oklahoma,” SPC said.

“A severe thunderstorm in southeastern Wyoming dumped prodigious amounts of hail on Cheyenne and the surrounding area. The storm produced quarter-sized to golf ball sized hail that fell continuously for more than 35 minutes beginning around 5:25 p.m. CST. Accompanied by 1.46 inches of rain that fell in about 30 minutes, the hail formed drifts more than a foot deep. There was considerable hail damage to the city, including broken windshields on numerous vehicles. The heavy rain and hail created flash flood conditions in much of southwestern and western Cheyenne and Warren Air Force Base.” NWS said.

Flooding

Severe weather in the Missouri River Basin  could intensify flooding problems from the Dakotas to Missouri.

Barrier and levee breaches have occurred in Carroll County, Missouri, about 60 miles east of Kansas City, threatening dozens of communities, according to reports.

At least 12 square miles of farmland were submerged in Carroll County, after a primary levee breach along the Missouri River on Monday.

Flooding is ongoing at at least 88 stream gauge sites in the United States, mostly along the Missouri River, as of posting. Another 84 sites were Near Flood.


U.S. Flood map [July 14, 2011]


Sites at Near Flood stage.

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Dangerous heat spreads to Mid-Atlantic

Posted by feww on July 13, 2011

Heat Warnings/Advisories in Effect for Half the U.S. Population

Much of the Eastern, Southern and Mid-Section U.S. Experiencing Dangerous Heat

As oppressive heat gripped much of the eastern U.S. spreading into the Capital, triple-digit temperatures and heat indices hovered around the 115-degree mark, and air quality took a nosedive.

  • In Wichita, Kansas the temperature exceeded 100 degrees for the 20th consecutive day.
  • In Oklahoma City, Oklahoma, temperatures hovered around 100 degrees for the 14th consecutive day.

Heat Warnings and Advisories issued Monday for a large portion of the U.S. mid-section have been extended to the Mid-Atlantic states, as moist air from the Gulf of Mexico combined with dangerously high   “temperatures to perpetuate the dangerous heat illness threat across the South and East.” NWS said.

“Excessive Heat Warnings and Heat Advisories are in effect today from parts of Kansas, Oklahoma and Texas eastward across the Ohio and Tennessee Valleys and the Gulf States to the northern Eastern Seaboard and Mid-Atlantic. Triple digit high temperatures and high humidity are expected for the Nation’s Capital.”


U.S. Max Temp Forecast for July 13-14.

Max Heat Index and Probability Forecast – July 13, 2011


Image Source: NOAA/HPC. Click image to enlarge.

U.S. Weather Summary

  • Severe weather forecast for wide areas from the central High Plains across the Ohio and Tennessee Valleys into the Mid-Atlantic Coast.
  • Heavy rain over flooded river valleys across the northern and central Plains could exacerbate ongoing flooding.
  • Flash Flooding possible over parts of South Dakota, Nebraska, Utah and Colorado.


Weather Forecast Map July 12, 2011. Click to enlarge.

Air Quality

Air quality alerts are in effect in parts of Georgia, Maryland, New Jersey, North Carolina, Pennsylvania and Virginia, as of posting

Severe Weather

Severe weather extending from southeastern Wyoming to the Mid-Atlantic Coast, including parts of 14 states is possible today, NWS said.

“Parts of Wyoming, Colorado, Nebraska, Kansas, Iowa, Missouri, Illinois, Indiana, Kentucky, Tennessee, West Virginia, Virginia, North Carolina and South Carolina are at Slight Risk for severe weather. Another Slight Risk area covers most of Montana and the fringe area of north-central Idaho.”

Wednesday and Thursday Forecast: Parts of Montana, South Dakota, Wyoming, Colorado and Nebraska are also at Slight Risk for severe weather, NWS said.

SPC received 526 reports of severe weather on Monday: 474 reports of high winds and 52 reports of large hail. [Report was later filtered to 351/318/33.]

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Mega Heatwaves Could Kill Thousands in the U.S.

Posted by feww on July 11, 2011

Heat: The number one weather-related killer in the United States

Deadly heatwaves of unprecedented intensity could strike the U.S. in 2011 and beyond, claiming tens of thousands of lives and affecting millions more: FIRE-EARTH Climate Model

Please cite FIRE-EARTH as the source for above forecast, if you’re copying/re-writing this information.

Billion Dollar Weather Disasters 1980 – May 2011


Billion Dollar Weather Disasters 1980 – May 2011. Source: NOAA. Click image to enlarge

Heat-Related Fatalities

  • Heat is the number one weather-related killer in the United States
  • More than 1,250 people died in the heatwave of 1980.
  • In the heatwave of 1995 at least 700 deaths in the Chicago area were attributed to heat.
  • A record heatwave in Europe claimed about 50,000 lives in August 2003.
  • The Moscow heatwave claimed an estimated 15,000 lives in August 2010.


Map of Billion Dollar Weather Disasters 1980 – 2010. Source: NOAA. Click image to enlarge

The U.S. has sustained 99 weather-related disasters over the past 31 years in which overall damages/costs topped $1 billion, with the total normalized losses exceeding $725 billion. ~ NOAA

Table of Disasters by Type and Frequency


Source: NCDC/NOAA. Click image to enlarge.

Map of Disasters by State


U.S. South has experienced the highest numbers of billion-dollar disasters since 1980. Image Source: NCDC/NOAA. Click image to enlarge.

Billion-Dollar Disasters 2011 (Preliminary List)

2011 is already highest damage cost-to-date in the U.S. for any year since 1980 when NOAA started  tracking billion-dollar disasters.

8 billion-dollar disasters have occurred in the U.S.  so far this year:

  • Groundhog Day Blizzard Jan 29-Feb 3 . Total cost: at least $3.9 billion; 36 deaths.
  • Midwest/Southeast Tornadoes April 4-5. Total cost: $2.0 billion; 9 deaths.
  • Southeast/Midwest Tornadoes April 8-11. Total cost: $2.2 billion; numerous injuries, no known deaths,  (59 tornadoes).
  • Midwest/Southeast Tornadoes April 14-16. Total cost:  $2.0 billion; 38 deaths (160 tornadoes).
  • Southeast/Ohio Valley/Midwest Tornadoes April 25-30. Total cost: $10.0 billion; 320 deaths (305 tornadoes).
  • Midwest/Southeast Tornadoes May 22-27: Total cost: $7.0 billion; 172 deaths [180 tornadoes reported; at least 18 more people have since died as a result of Joplin tornado, raising the official toll to 159.]
  • Texas Drought & Wildfires Spring-Summer 2011. Fighting/suppression costs are around $1 million /day; total losses to agriculture and cattle are estimated to range between $1.5-3.0 billion. This cost estimate reflects losses as of 16 June, and will likely rise as the event continues.
  • Mississippi River flooding Spring-Summer 2011 Estimated economic loss ranges from $2.0-4.0; the flooding continues. Preliminary cost as of 6/16:
    • $500 million to agriculture in Arkansas
    • $320 million in damage to Memphis, Tennessee
    • $800 million to agriculture in Mississippi
    • $317 million to agriculture and property in Missouri’s Birds Point-New Madrid Spillway
    • $80 million for the first 30 days of flood fighting efforts in Louisiana [Source of data: NOAA/NCDC]

Max Heat Index and Probability Forecast – July 13, 2011


Image Source: NOAA/HPC. Click image to enlarge.

Related Sites

Related Links

Updated July 12, 2011

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