WW 156 SEVERE TSTM LA TX CW 210110Z – 210700Z
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 156
NWS Storm Prediction Center Norman OK
810 PM CDT Thu Apr 20 2023
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
western Louisiana
eastern and southeastern Texas
Coastal Waters
* Effective this Thursday night and Friday morning from 810 PM
until 200 AM CDT.
* Primary threats include...
Scattered large hail and isolated very large hail events to 2.5
inches in diameter possible
Scattered damaging wind gusts to 70 mph possible
SUMMARY...Ongoing thunderstorms moving across central and eastern
Texas are expected to continue over the next several hours. With
some upscale growth into a bowing MCS now underway, moving
east-southeastward out of central Texas, risk for damaging winds
will likely spread across portions of the upper and middle Texas
Coastal Plain over the next several hours, along with potential for
large hail and possibly a tornado. Elsewhere, more isolated severe
storms will likely persist through this evening, also posing
local/all-hazard severe risk.
The severe thunderstorm watch area is approximately along and 60
statute miles either side of a line from 25 miles north of Fort Polk
LA to 35 miles west northwest of Palacios TX. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU6).
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 152...WW 153...WW 155...
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 550. Mean storm motion vector
29035.
...Goss
