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URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 184
NWS Storm Prediction Center Norman OK
640 PM CDT Mon May 17 2021
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
* Effective this Monday evening from 640 PM until 1100 PM CDT.
* Primary threats include...
Isolated very large hail events to 3.5 inches in diameter
Isolated damaging wind gusts to 70 mph possible
A tornado or two possible
SUMMARY...A lone supercell may remain nearly stationary along a
boundary across a portion of south Texas. While the spatial extent
of the severe threat may be rather isolated, this supercell may
become intense before weakening later this evening.
The severe thunderstorm watch area is approximately along and 40
statute miles east and west of a line from 40 miles north northwest
of Cotulla TX to 55 miles south of Cotulla TX. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU4).
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
OTHER WATCH INFORMATION...CONTINUE...WW 181...WW 182...WW 183...
AVIATION...A few severe thunderstorms with hail surface and aloft to
3.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 600. Mean storm motion vector