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Tornadoes possible today from the Missouri Bootheel to Northwest AL! PDF Print E-mail
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Written by Reed Timmer   
Thursday, 21 January 2010 13:04
21jan2010_watch 21jan2010_helicityA classic low instability/high wind shear severe weather case will likely transpire this afternoon from the Missouri Bootheel region into northwest Alabama, including western Tennessee and Kentucky, as a vertically stacked storm system moves through the area.  0-1 km helicity values of 200+ m2/s2 (see 18z RUC analysis at left), with much higher values along a WNW-ESE oriented warm front from the Bootheal across western Tennessee, coupled with extremely cold temperatures aloft (< -20 degrees C at 500 mb) will create ideal conditions for low-topped tornadic supercells from now until 00z or so.  Storms will likely explode in an arc just ahead of the upper-level vort max over the next hour or so, and track rapidly northeastward with an enhanced tornado threat as they cross the backed low-level flow along the warm front.  A tornado watch has just been issued for this area by the Storm Prediction Center, with a moderate threat of tornadoes (see left).  Stay tuned for updates!
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0 #1 matias_arg 2010-01-21 14:08 waooo!, almost in center of the cold disturbance of 500 hpa.

excellent Reed, we will follow it from here
 
 
0 #2 Caleb 2010-01-21 15:34 Yep we are under a tstorm wach and there is a heepin of shear!!! AAAAAAAAAA
 
 
+7 #3 APurrfectStorm 2010-01-21 19:32 Actually, it ended up going to northEAST Alabama. I saw my first-ever tornado today, in my hometown of Huntsville, AL. It was absolutely GORGEOUS! I've got a few pics on the camera and hope to get them transferred to the computer soon!

Edit: Here are links to one my dad took on one side of the storm/town, one I took as it came over the mountain towards my house, and a cap from a video a neighbor caught.

http://img402.imageshack.us/img402/2568/andrewkepnertornado0121.png

http://img192.imageshack.us/img192/726/andreakepnertornado0121.png

http://img522.imageshack.us/img522/4439/rudysandersonvideoa.png
 
 
+1 #4 RCGISer 2010-01-21 19:52 Go here to see Time Lapse photos of Huntsville AL tornado!!!!!

http://www.alabamawx.com/?p=26221#comments
 
 
+2 #5 APurrfectStorm 2010-01-21 20:26 Quoting RCGISer:
Go here to see Time Lapse photos of Huntsville AL tornado!!!!!

http://www.alabamawx.com/?p=26221#comments

Great shot! Interesting to see it shot from the NSSTC building as I see it almost every day.
 
 
0 #6 t-o-r-n-a-d-ogirl91 2010-01-25 10:51 Darn, I live in Indiana. That was so close to us. I miss those good and loud thunderstorms.
 

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