SPC Severe Thunderstorm Watch 443



WW 443 SEVERE TSTM OK TX 262305Z – 270500Z

WW 0443 Image


URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 443
NWS Storm Prediction Center Norman OK
505 PM CST Wed Dec 26 2018

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Southwest Oklahoma
  Western North Texas

* Effective this Wednesday afternoon and evening from 505 PM
  until 1100 PM CST.

* Primary threats include...
  Scattered damaging wind gusts to 70 mph possible
  Isolated large hail events to 1 inch in diameter possible
  A tornado or two possible

SUMMARY...A relatively fast-moving line of storms will progress
northeastward across the region this evening. While instability is
modest, a narrow corridor of continued moistening/destabilization
will support the potential for isolated severe storms in the
presence of increasingly strong deep-layer/low-level winds. Damaging
winds and isolated severe hail will be possible and some
line-embedded brief tornado risk could exist as well.

The severe thunderstorm watch area is approximately along and 60
statute miles east and west of a line from 20 miles east northeast
of Altus OK to 55 miles southwest of Wichita Falls TX. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU3).

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 441...WW 442...

AVIATION...A few severe thunderstorms with hail surface and aloft to
1 inch. Extreme turbulence and surface wind gusts to 60 knots. A few
cumulonimbi with maximum tops to 450. Mean storm motion vector
23040.

...Guyer

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