Historic Multi Day Tornado Outbreak. 4/25-28/2011

[unome]

NOAA has an April tornado info site: http://www.noaanews.noaa.gov/april_2011 ... ation.html

preliminary tracks map

[srainhoutx]

Rotation tracks for April 27-28, 2011...from unome's link...

[unome]

CIMSS Satellite Blog covers it also - http://cimss.ssec.wisc.edu/goes/blog/archives/7910

"Tornado damage paths evident on MODIS imagery"

animated images better seen in their site

edit to add this link - 1st time I have ever seen them stumped on a sat pic ! http://cimss.ssec.wisc.edu/goes/blog/archives/7898

[unome]

NWS B'ham has updated info on tornado tracks & strengths today: http://www.srh.noaa.gov/bmx/

The following map presents all supercell tracks from the historic outbreak of April 27, 2011. Tracks in BLACK are Non-Verified, radar
indicated tracks that will be investigated soon. GREEN tracks are confirmed EF-1 tornadoes. ORANGE tracks are confirmed EF-3 tornadoes. RED tracks are Confirmed tornadoes that have been preliminarily been rated as an EF-3+, and will be further assessed by national experts. Tracks in PURPLE are significant tornado tracks that will continually be surveyed throughout the coming days by Weather Service Employees and national experts. Ratings will be revealed when surveys are completed, and you can see the information by clicking on the banner on the front page.



their latest Public Info Statement on 13 confirmed tornadoes in AL: http://forecast.weather.gov/product.php ... glossary=0

before & after aerial imagery from http://www.noaanews.noaa.gov/stories201 ... adoes.html

[wxman57]

Here's a high-res satellite loop of the event:
http://www.nnvl.noaa.gov/MediaDetail.ph ... iaTypeID=2

Look near the bottom for the very high res .MP4 file:
http://www.nnvl.noaa.gov/animations/hig ... GOESIR.mp4

[tireman4]

The perfect storm for tornadic thunderstorm development. It was the strangest day I have ever seeen. Almost every thunderstorm I saw in some areas had some rotation to them ( 6-9 pm CST range in Alabama,Tennessee and Georgia). Very scary.