BLOG: Storms with heavy rain, hail exit the Valley

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HUNTSVILLE, Ala. – The risk of severe storms has ended in the Tennessee Valley.

The National Weather Service has expired the tornado watch which had been in effect until 6 p.m. Wednesday.

This is an archived live blog. Updates from our team appear below in the order they occurred.

Jake Reed March 1, 201710:29 am

Jake Reed March 1, 201710:30 am

OHX issues Severe Thunderstorm Warning [wind: 60 MPH, hail: 0.75 IN]  for  Lawrence, Wayne [TN] till 11:00 AM CST 

Ben Smith March 1, 201710:40 am

Jake Reed March 1, 201710:44 am

Here is a technical discussion from the Storm Prediction Center. There is an 80 percent chance of a tornado watch being issued before Noon.

DISCUSSION...Mid-level southwesterly flow along a cold front in

middle/western TN has slowed the southeastward movement of the

front. A line of convection along/just ahead of the front has

displayed some strong to damaging wind threat over the past several

hours. The airmass across northern MS/AL ahead of the will continue

to destabilize through the afternoon even with partly to mostly

cloudy skies present. Steep mid-level lapse rates with an elevated

mixed layer are present on the 12Z Jackson, MS sounding and

sufficient low-level moisture across the area will support MLCAPE of

500-1000 J/kg this afternoon. 50-60 kt of effective bulk shear will

support supercell structures both within and ahead of the line,

particularly across northern MS into northern/central AL where

semi-discrete convection is already developing as of 16Z. Although

low-level flow is veered generally to southwesterly, sufficient

curvature in the 0-3 km layer will support effective SRH around

250-300 m2/s2, which suggests at least some tornado threat will

likely develop. Large hail will able be possible with the initial

discrete convection, with damaging winds becoming more probable with

time as thunderstorms congeal into a line.
Jake Reed March 1, 201710:47 am

Madison County and Morgan County schools have just announced early dismissals. Get the running list here: http://whnt.com/2017/02/28/school-closings-and-delays-for-wednesday-february-29/

Jake Reed March 1, 201710:49 am

OHX continues Severe Thunderstorm Warning [wind: 60 MPH, hail: <.75 IN]  for  Lawrence, Wayne [TN]  till 11:00 AM CST

Preston Benson March 1, 201710:58 am

Limestone County Schools dismissing right now.  Car riders are being dismissed immediately.  Bus riders will be dismissed as soon as buses arrive. 

Jake Reed March 1, 201711:03 am

HUN issues Severe Thunderstorm Warning [wind: 60 MPH, hail: 0.88 IN]  for  Lauderdale [AL] till 11:30 AM CST 

Gabrielle Deabler March 1, 201711:19 am

Gabrielle Deabler March 1, 201711:21 am

11:19am: Emergency Manager reporting pea-sized hail in Leoma, TN

Jason Simpson March 1, 201711:27 am

Jason Simpson March 1, 201711:28 am

Jason Simpson March 1, 201711:38 am

NWS Huntsville tells us to expect a Tornado Watch soon; details/counties coming ASAP.

Jason Simpson March 1, 201711:45 am

Christina Edwards March 1, 201711:50 am

Christina Edwards March 1, 201711:52 am

Christina Edwards March 1, 201712:00 pm

Christina Edwards March 1, 201712:05 pm

Christina Edwards March 1, 201712:05 pm

Christina Edwards March 1, 201712:06 pm

Christina Edwards March 1, 201712:06 pm

Christina Edwards March 1, 201712:08 pm

Christina Edwards March 1, 201712:28 pm

Christina Edwards March 1, 201712:28 pm

Christina Edwards March 1, 201712:44 pm

Ben Smith March 1, 201712:51 pm

Severe T’Storm Warning for northern Madison County until 1:15pm.

Ben Smith March 1, 20171:04 pm

Branden Fortier in Hazel Green

Ben Smith March 1, 20171:07 pm

Hail in Elgin from Azalee Golden