SPC Severe Thunderstorm Watch 20

WW 20 SEVERE TSTM OK TX 130545Z - 131100Z

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 20
NWS Storm Prediction Center Norman OK
1245 AM CDT Wed Mar 13 2019

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  southwest Oklahoma
  northwest Texas

* Effective this Wednesday morning from 1245 AM until 600 AM CDT.

* 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 line of severe thunderstorms will move rapidly northeast
across the watch area with damaging wind gusts and possibly a
tornado or two.

The severe thunderstorm watch area is approximately along and 55
statute miles north and south of a line from 45 miles southwest of
Altus OK to 25 miles east of Fort Sill 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 18...WW 19...

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
24040.

...Bunting

Read more

from SPC Forecast Products http://www.spc.noaa.gov/products/watch/ww0020.html