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Severe WX April 11th-13th, 2020 Severe Weather Threat

PDS Tornado watch.

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URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 106
NWS Storm Prediction Center Norman OK
1040 AM CDT Sun Apr 12 2020

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of
Far southeast Arkansas
Northeast Louisiana
Northern and central Mississippi

* Effective this Sunday morning and evening from 1040 AM until
800 PM CDT.

...THIS IS A PARTICULARLY DANGEROUS SITUATION...

* Primary threats include...
Several tornadoes and a few intense tornadoes likely
Widespread damaging winds likely with isolated significant gusts
to 80 mph possible
Scattered large hail and isolated very large hail events to 2
inches in diameter possible

SUMMARY...Intense bowing line with a history of several tornadoes in
northwest Louisiana will progress rapidly east-northeast this
afternoon. Additional semi-discrete suprecells may develop ahead of
the line as well across parts of northern and central Mississippi.
Environment is supportive of several tornadoes, some of which will
likely be strong in addition to potential widespread damaging winds.

The tornado watch area is approximately along and 85 statute miles
north and south of a line from 5 miles north northwest of Monroe LA
to 20 miles south of Columbus MS. For a complete depiction of the
watch see the associated watch outline update (WOUS64 KWNS WOU6).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A Tornado Watch means conditions are favorable for
tornadoes and severe thunderstorms in and close to the watch
area. Persons in these areas should be on the lookout for
threatening weather conditions and listen for later statements
and possible warnings.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 105...

AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 2 inches. Extreme turbulence and surface wind
gusts to 70 knots. A few cumulonimbi with maximum tops to 550. Mean
storm motion vector 25045.

...Grams
Click to expand...
 
Weatherphreak said:
Personally I’m not crazy about a squall line producing tornadoes. At least you can get out of the way of a supercell. Squall lines you just have to hunker down and hope it doesn’t spin one up on top of you. Based on models that tornado producing line will end up over North Alabama by this afternoon/evening.
Click to expand...

Yep, that. Give me isolated supercells that can be tracked ahead of time instead of a violent QLCS that could drop an EF3 on top of you with 2 minutes warning anyday. At least it gets here at a non-ridiculous hour at least for N AL this time
 
Bevo said:
I'm always curious where the percentages are in these watches. I feel like I've been able to find it on the site before...
Click to expand...

Check out the probabilities tab for a watch on the SPC page.

Storm Prediction Center Tornado Watch 106

Severe weather, tornado, thunderstorm, fire weather, storm report, tornado watch, severe thunderstorm watch, mesoscale discussion, convective outlook products from the Storm Prediction Center.
www.spc.noaa.gov
 
Weatherphreak said:
Personally I’m not crazy about a squall line producing tornadoes. At least you can get out of the way of a supercell. Squall lines you just have to hunker down and hope it doesn’t spin one up on top of you. Based on models that tornado producing line will end up over North Alabama by this afternoon/evening.
Click to expand...
The threat of discrete supercells, in addition to embedded circulations is looking much more likely now.
 
TornadoFan said:
Is that a TDS near Jonesboro, LA?
Click to expand...
It isn’t. A few blue pixels does not equal a TDS. With a TDS, look for a sustained, ball shaped signature that correlates with an area of tight rotation on velocity, and moves along with the area of rotation across multiple scans. I have a feeling we’ll see plenty of these today, and I’ll try to screencap and post them here.
 
buckeye05 said:
It isn’t. A few blue pixels does not equal a TDS. With a TDS, look for a sustained, ball shaped signature that correlates with an area of tight rotation on velocity, and moves along with the area of rotation across multiple scans. I have a feeling we’ll see plenty of these today, and I’ll try to screencap and post them here.
Click to expand...

Adding to the thread, this is a pretty notable example of what to look for.
 
Just had some pea-sized hail at my location in Tuscaloosa. I couldn't get anything to compare it to size wise, because there wasn't much of it and it was quickly melting.
IMG_9660.jpeg
 
An FYI to all the newer folks watching this thread - first of all, join!. Second of all - the thread automatically updates with new posts so you don't have to continuously jump out and jump back in. Stay safe!
 
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