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Severe WX Severe Weather Threat: April 21-23, 2017

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Tornado Warning issued for the storm now
599d47a31b983ad6072ded8f61262a70.png


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Bama Ravens

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Sure looks like a severe tstm or tornado near wheeler MS
92f93023be526e9fd89ef881e25d282d.png


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Severe thunderstorm warning now. Rotation sort of spun up quick, but doesn't look very good now. If there is a tornado anywhere today, it'll likely be in the form of a quick spin up. Don't really have the shear to sustain any rotation.

EDIT: Tornado warning now
 

Equus

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Certainly a decent couplet there. Mesoscale parameters are maximized (relatively, I mean, they're not that intense) right in that area of NE MS/SW TN/far NW AL. Won't be surprising to see a few rotating cells but would be surprised to see anything really significant actually happen. It's April though...
 

Daryl

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ww0158_radar_big.gif

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 158
NWS Storm Prediction Center Norman OK
305 PM CDT Sat Apr 22 2017

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of
Northern and West Central Alabama
Central and Northeast Mississippi
Southern Middle Tennessee

* Effective this Saturday afternoon and evening from 305 PM until
900 PM CDT.

* Primary threats include...
Scattered damaging wind gusts to 70 mph likely
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
A tornado or two possible

SUMMARY...Storms are increasing from southwest Tennessee into
central Mississippi ahead of a cold front moving into the area.
Stronger storms will be capable of producing damaging wind gusts and
large hail.

The severe thunderstorm watch area is approximately along and 60
statute miles east and west of a line from 100 miles southwest of
Columbus MS to 70 miles north northeast of Huntsville AL. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU8).
 

Bama Ravens

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Certainly a decent couplet there. Mesoscale parameters are maximized (relatively, I mean, they're not that intense) right in that area of NE MS/SW TN/far NW AL. Won't be surprising to see a few rotating cells but would be surprised to see anything really significant actually happen. It's April though...
Yeah, even this cell's rotation has been cyclical. Wraps up, looks good, then weakens. Rinse and repeat. Shear isn't the best for keeping it going for a long time.
 
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Looks like the cell merger has disrupted things a bit. Rotation signature is more diffuse now


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Equus

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Looks like we definitely had a brief tornado. The rotation is mostly gone now though. Shear seems to drop off pretty quickly the further east the storms go today.
 

MichelleH

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THE NATIONAL WEATHER SERVICE HAS EXTENDED SEVERE THUNDERSTORM
WATCH 158 TO INCLUDE THE FOLLOWING AREAS UNTIL 9 PM CDT THIS
EVENING

IN ALABAMA THIS WATCH INCLUDES 7 COUNTIES

IN CENTRAL ALABAMA

BLOUNT JEFFERSON

IN WEST CENTRAL ALABAMA

GREENE HALE MARENGO
SUMTER TUSCALOOSA
 
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