SPC Severe Thunderstorm Watch 581



WW 581 SEVERE TSTM OK 140155Z – 140700Z

WW 0581 Image

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 581
NWS Storm Prediction Center Norman OK
855 PM CDT Tue Aug 13 2019

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  North-central and northwestern Oklahoma

* Effective this Tuesday night and Wednesday morning from 855 PM
  until 200 AM CDT.

* Primary threats include...
  Isolated damaging wind gusts to 70 mph possible

SUMMARY...Though likely past peak by then, a bowing complex of
thunderstorms with a substantial pressure/thermal perturbations in
Kansas still may be producing severe gusts as it enters northern
Oklahoma.  This activity should weaken as it moves into a
progressively more-stable low- and middle-level air mass toward the
southern fringe of the watch area.

The severe thunderstorm watch area is approximately along and 85
statute miles east and west of a line from 20 miles northwest of
Alva OK to 50 miles south southwest of Enid OK. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU1).

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 579...WW 580...

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 500. Mean storm motion vector
32040.

...Edwards

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