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WWUS20 KWNS 172304
SEL0
SPC WW 172304
OKZ000-TXZ000-180400-

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 430
NWS Storm Prediction Center Norman OK
605 PM CDT Tue Jun 17 2025

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of
  Southwest Oklahoma
  Texas South Plains into Northwest Texas

* Effective this Tuesday evening from 605 PM until 1100 PM 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

SUMMARY...Thunderstorm development is anticipated across the Texas
South Plains this afternoon. High storm bases and a deeply mixed
boundary layer suggest that some of these storms could produce
strong outflow capable of strong/severe gusts. Isolated hail is
possible as well, particularly with the early-stage development.

The severe thunderstorm watch area is approximately along and 45
statute miles north and south of a line from 15 miles west of
Lubbock TX to 40 miles east northeast of Altus OK. 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 429...

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 500. Mean storm motion vector
24035.

...Mosier