699
WWUS20 KWNS 222151
SEL0
SPC WW 222151
ARZ000-LAZ000-TXZ000-230400-

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 290
NWS Storm Prediction Center Norman OK
455 PM CDT Wed May 22 2024

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of
  Southern Arkansas
  Northwest Louisiana
  Northeast Texas

* Effective this Wednesday afternoon and evening from 455 PM
  until 1100 PM CDT.

* Primary threats include...
  Scattered large hail and isolated very large hail events to 2.5
    inches in diameter likely
  Scattered damaging wind gusts to 70 mph likely
  A tornado or two possible

SUMMARY...Clusters of supercells will persist and spread
east-southeastward through the evening, with some upscale growth
likely.  While a tornado or two may occur with favorable storm
interactions, very large hail up to 2.5 inches in diameter and
damaging outflow winds up to 75 mph will be the main threats.

The severe thunderstorm watch area is approximately along and 45
statute miles north and south of a line from 20 miles north
northwest of Tyler TX to 30 miles east of El Dorado AR. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU0).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for 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. Severe thunderstorms can and occasionally do produce
tornadoes.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 284...WW 285...WW
286...WW 287...WW 288...WW 289...

AVIATION...A few severe thunderstorms with hail surface and aloft to
2.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 600. Mean storm motion vector
28025.

...Thompson