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URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 21
NWS Storm Prediction Center Norman OK
950 PM CDT Tue Mar 27 2018
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
South Central Texas
* Effective this Tuesday night and Wednesday morning from 950 PM
until 300 AM CDT.
* Primary threats include...
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
Scattered damaging wind gusts to 70 mph possible
A tornado or two possible
SUMMARY...Thunderstorms are intensifying along the Rio Grande River,
and will spread northeastward across the watch area. Large hail and
damaging winds are the main threat, but an isolated tornado cannot
be ruled out.
The severe thunderstorm watch area is approximately along and 60
statute miles north and south of a line from 55 miles west southwest
of Cotulla TX to 60 miles north of Victoria TX. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU1).
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
AVIATION...A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 450. Mean storm motion vector