WW 155 SEVERE TSTM TX 201930Z – 210300Z

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 155
NWS Storm Prediction Center Norman OK
230 PM CDT Thu Apr 20 2023
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
South-central Texas
* Effective this Thursday afternoon and evening from 230 PM until
1000 PM CDT.
* Primary threats include...
Scattered damaging winds and isolated significant gusts to 75
mph possible
Scattered large hail and isolated very large hail events to 3
inches in diameter possible
SUMMARY...Slow-moving, transient supercells and multicell clusters
should develop across the Edwards Plateau and Hill Country into this
evening. More isolated cells may also develop east of the I-35
corridor. Large hail should be the primary hazard, with severe wind
gust potential increasing into the evening.
The severe thunderstorm watch area is approximately along and 75
statute miles north and south of a line from 70 miles southwest of
Junction TX to 35 miles east southeast of Austin TX. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU5).
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 151...WW 152...WW
153...WW 154...
AVIATION...A few severe thunderstorms with hail surface and aloft to
3 inches. Extreme turbulence and surface wind gusts to 65 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
30025.
...Grams





