SPC Severe Thunderstorm Watch 78

WW 78 SEVERE TSTM OK TX 172315Z - 180700Z

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 78
NWS Storm Prediction Center Norman OK
615 PM CDT Wed Apr 17 2019

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  South Central Oklahoma
  North Central Texas

* Effective this Wednesday night and Thursday morning from 615 PM
  until 200 AM CDT.

* Primary threats include...
  Widespread large hail and isolated very large hail events to 2.5
    inches in diameter likely
  Scattered damaging wind gusts to 70 mph likely
  A tornado or two possible

SUMMARY...Thunderstorms will form across the watch area early this
evening and spread eastward.  Large hail and damaging winds are the
main threat, but there is some concern for a tornado or two along
the Red River valley.

The severe thunderstorm watch area is approximately along and 50
statute miles east and west of a line from 20 miles east of Ardmore
OK to 50 miles south southeast of Brownwood TX. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU8).

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 75...WW 76...WW 77...

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 500. Mean storm motion vector
24035.

...Hart

Read more

from SPC Forecast Products http://www.spc.noaa.gov/products/watch/ww0078.html