We urge all who are able to assist those who were affected by this tremendous tragedy. As our way of trying to help Convective Addiction is donating 100% of ANY of our DVD sale profits to the American Red Cross Disaster Relief effort until May 4th. For more information visit this link: http://convectiveaddiction.com/2011/04/29/tornado-outbreak-disaster-help/
Week of April 18-24th:
Long and Medium range models begin to indicate that another
outbreak of severe weather is possible the following week. By this point April has
already broken all-time records for number of tornadoes.
The Storm Prediction Center in Norman, Oklahoma issues its first probability outlook
for a severe weather outbreak on April 27th.
Meanwhile a significant severe weather outbreak and heavy rain event in its own respect
was ready to unfold on this day. A high enough threat that the NWS issued a Public
Information Statement on the day.
HARD TO PINPOINT EXACTLY
WHERE INITIAL DEVELOPMENT WILL TAKE PLACE…WHETHER IT IS ACROSS OUR
AREA OR TO OUR WEST. COULD BE A COMBINATION OF BOTH…BUT MOST
LIKELY LOCATION FOR DEVELOPMENT WILL BE IN THE NORTH WHERE THE CAP
QUICKER AND THE AIRMASS WILL BE MORE UNSTABLE. ALL MODES OF SEVERE
WEATHER ARE POSSIBLE WEDNESDAY…INCLUDING LONG LIVED SUPERCELLS AND
1:10 AM: The overall evolution of storms has become much clearer as short range
models indicate a potential historic tornado outbreak may unfold later in the day across
the Deep South. SPC upgrades parts of AL, MS, TN and GA to a HIGH RISK.
11:05 AM: PDS (Particularly Dangerous Situation) Watch is issued over MS, LA and
AR as the atmosphere begins to reload from overnight and early morning convection.
This watch replaces parts of the tornado watch issued at 8:10.
1:45 PM: Second PDS Watch issued for AL, TN and MS. All probabilities on the watch
indicate >95% chance for significant severe weather in all categories. )To the authors knowledge that was the first time ever probabilities were listed that high.)
3:00 PM: Approximate time for first radar returns of Tuscaloosa/Birmingham Supercell.
3:57 PM: Shotsville, AL EF-3 Tornado forms.
5:08 PM: Newton Co. EF-3 Tornado strikes.
5:10 PM: Haleyville, AL EF-3 Tornado forms.
6:08 PM: Tornado enters Tuscaloosa city limits.
6:38 PM: Tornado Emergency issued for Birmingham, AL.
7:14 PM: Long tracked Raleigh, MS tornado crosses from MS into AL. It has already been on the ground for 65 miles.
10:18 PM: Tuscaloosa storm looses supercell characteristics over North Carolina.
3:15 PM: The last tornado watch of the outbreak is issued.
Number of Torndoes: 226 (As of 5/2/11); 2 of them EF-5 strength: Smithville, MS and Hackleburg, AL.
Deaths: At least 344 people were killed during this outbreak. Ranking third during a 24 hour period.
April 2011: The nearly 600 tornado reports (exact number TBD) far eclipses the former April record of 267 from 1974. More detailed numbers will need to be drawn to see if the all-time one month record of 542 from May 2003 is broken.
NEWSPAPER HEADLINES THE NEXT DAY:
Pics Courtesy: Jackson Weather Examiner, The Decatur Daily
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