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Posts Tagged ‘Mega Heatwave’

Mega Heatwave: Dozens of Daily Record High Temps Broken or Tied

Posted by feww on June 30, 2013

Phoenix daily high temperature hit 119 shattering old record by 2 degrees

Power consumption across western United States surge as life-threatening, record-breaking heat spikes demand load for cooling.

The high temperature at Phoenix Sky Harbor International Airport hit 119 degrees, shattering the old record set in 1994 by 2 degrees, and making Saturday the fourth hottest day on record. [The hottest day on record at 122 degrees was June 26, 1990.]

At Mccarran International Airport, the official climate station for Las Vegas, the high temperature reached 115 degrees on Saturday, which tied the record for June 29th last set in 1994, NWS reported.

At the National Weather Service office in SW Las Vegas the high temperature reached 118 degrees Saturdy afternoon, shattering the previous all-time record of 117 degrees set on July 5, 2007 and tied on June 28, 2013.

  • NV Energy in Las Vegas has predicted a surge in power demand for Clark County, said a report.

At Needles, California the high temperature reached 123 degrees on Saturday,  setting a new daily record as well as a new all-time record high for June, shattering the previous all-time monthly record of 122 degrees set on June 11, 1918.

Forecast Highs For Selected Locations (NWS/NOAA)

forecast rec temps

Western U.S. Mega Heat Hazards Map

US Mega Heat Hazards Map

U.S. Daily Highest Max Temperature Records set on June 28, 2013

Daily records 28 jun13
Out of a possible 4,676 records: 40 (Broken) + 25 (Tied) = 65 Total – Source: NOAA

Meantime, NWS issued the following forecast:

For much of the Western U.S., excessive heat warnings and heat advisories remain in effect for a major heat wave that is ongoing from the Mexican border northward into the Inter-Mountain West. A big upper level high, combined with subsiding air and abundant sunshine, will allow temperatures to reach dangerously high levels. Some of the lower deserts near the Colorado River may reach 120 degrees! Triple digit heat is also expected for much of the Great Basin going through the weekend and into early next week.

Many of the same locations that broke records on Saturday could break records again on Sunday. One of the hottest places will be Death Valley, California as temperatures will approach 130 degrees

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Dangerous heat, exceptional drought, severe storms, major flooding

Posted by feww on July 12, 2011

U.S. Weather Forecast, July 14 – 25

A 15-state area of the southern Plains have been experiencing “dangerously oppressive heat,” which has continued from the weekend and could last through the week.


U.S. Weather Hazards Assessment Map. Source: NWS. Click image to enlarge.

National Weather Summary

  • Dangerously oppressive heat today through Wednesday throughout the southern Plains, the Gulf Coast states and the southern Atlantic Coast
  • Exceptional to sever drought across the South
  • Flooding continues along the Missouri River

Killer Heat!

Dangerously oppressive heat is forecast to linger on through the forecast period in Kansas, Oklahoma, Texas, Iowa, Missouri, Arkansas, Louisiana, Illinois, Indiana, Kentucky, Tennessee, Mississippi, Alabama, the Florida Panhandle, Georgia, Virginia, North Carolina and South Carolina.

Many of the locations could continue experiencing record-setting temperatures, forecasters said.

[NOTE: An earlier list for the heat advisory included 23 states: Alabama, Arkansas, Delaware, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maryland, Mississippi, Missouri, Nebraska, New Jersey, North Carolina, Oklahoma, Ohio, Pennsylvania, South Carolina, Tennessee, Texas and Virginia.]


The U.S. Weather Hazards Map.  Source: NWS. Click image to enlarge.

Weekend highs included:

  • Kansas
    • 113 degrees (45ºC) in Ashland
    • 108 in Pratt
    • 112 degrees in Anthony
    • 111 degrees in Wichita, Kansas*
  • Oklahoma
    • 111 degrees in Altus Dam, Freedom and Guthrie
    • 110 degrees in Billings
    • 109 in Enid and Seminole
  • Texas
    • 111 degrees at Lake Kemp
    • 104 degrees in Dimmitt and Tulia

[*NOTE: In Wichita, Kansas, temperatures of 111 degrees have occurred only 10 times since July 1888, NWS said.]

Severe Weather

An area at Moderate Risk for severe weather development today extends from the southern half of Lake Michigan to the Ohio Valley. The area includes southeastern Wisconsin, northeastern Illinois, southwestern Lower Michigan, the northern two-thirds of Indiana, the western half of Ohio and extreme north-central Kentucky, NWS said.

On Sunday SPC received 320 reports of severe weather: 280 reports of high winds, 28 reports of large hail and 12 tornado reports. There were seven tornado reports from North Dakota, three from Colorado and two from Minnesota.

Flooding

As of this morning, 17 gauges were at Major Flooding levels, 29 were at Moderate Flood and 45 were at Minor Flood. Another 95 sites were Near Flood.


Flood Map for the U.S.

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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.

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Updated July 12, 2011

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