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Archive for November 7th, 2009

Could Ida Become a Hurricane?

Posted by feww on November 7, 2009

Ida, Now a Tropical Depression, Could Become a Tropical Storm Soon.

But will it strengthen further to a hurricane-force storm as it enters the warmer waters in the Gulf of Mexico?

FEWW Moderators believe, as of posting, that Ida has a more than 1 in 4 chance  [P≥0.25] of redeveloping into a hurricane-force storm after entering the Gulf of Mexico.

Tropical Depression IDA

GOES Sat Image- Still frame. Click image to enlarge and update.

10:00 PM EST Fri Nov 6 [03:00 UTC Sat Nov 7, 2009]
Location: 16.2°N 84.0°W
Max sustained:  56 km/h (35 mph)
Moving: N (360 degrees) at 11 km/h (7 mph)
Min pressure: 1006 mb

IDA is expected to reach the Yucatan Channel late Sunday EST.

POES Composite – Daily Sea Surface Temps.

ocean temp - s
Click image to enlarge and update.

Cumulative Wind History

Click image to enlarge and update.

This graphic shows how the size of the storm has changed, and the areas potentially affected so far by sustained winds of tropical storm force (in orange) and hurricane force (in red). The display is based on the wind radii contained in the set of Forecast/Advisories indicated at the top of the figure. Users are reminded that the Forecast/Advisory wind radii represent the maximum possible extent of a given wind speed within particular quadrants around the tropical cyclone. As a result, not all locations falling within the orange or red swaths will have experienced sustained tropical storm or hurricane force winds, respectively. Source: NHC/NOAA

Coastal Watches/Warnings and 5-Day Forecast Cone for Storm Center

Click image to enlarge and update.

This graphic shows an approximate representation of coastal areas under a hurricane warning (red), hurricane watch (pink), tropical storm warning (blue) and tropical storm watch (yellow). The orange circle indicates the current position of the center of the tropical cyclone. The black line, when selected, and dots show the National Hurricane Center (NHC) forecast track of the center at the times indicated. The dot indicating the forecast center location will be black if the cyclone is forecast to be tropical and will be white with a black outline if the cyclone is forecast to be extratropical. If only an L is displayed, then the system is forecast to be a remnant low. The letter inside the dot indicates the NHC’s forecast intensity for that time. Source: NHC/NOAA

Tropical Storm Force Wind Speed Probabilities – 120 Hours

Click image to enlarge and update.

These graphics show probabilities of sustained (1-minute average) surface wind speeds equal to or exceeding 34 kt…39 mph (tropical storm force). These wind speed probability graphics are based on the official National Hurricane Center (NHC) track, intensity, and wind radii forecasts, and on NHC forecast error statistics for those forecast variables during recent years. Each graphic provides cumulative probabilities that wind speeds of at least 39 mph will occur during cumulative time periods at each specific point on the map. Source: NHC/NOAA

More Images from GOES Floater Imagery
IDA (AL11)

Other Images

Recommended Satellite Imagery (GOES 12 Floater/NOAA/SSD)

Loops/ Satellite Animations (GOES 12; NOAA/SSD)

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