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URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 249
NWS Storm Prediction Center Norman OK
325 PM CDT Fri May 19 2017
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
southern and eastern Oklahoma
northwest and north central Texas
* Effective this Friday afternoon and evening from 325 PM until
1100 PM CDT.
* Primary threats include...
A couple tornadoes possible
Scattered damaging wind gusts to 70 mph likely
Scattered large hail and isolated very large hail events to 2.5
inches in diameter possible
SUMMARY...Increasing thunderstorm development is expected along an
outflow boundary across the region through the late afternoon and
evening. Initial storm development may include supercells, with a
risk for severe hail and perhaps a couple of tornadoes, before
activity consolidates into an upscale growing cluster of storms with
increasing potential for damaging wind gusts this evening.
The tornado watch area is approximately along and 70 statute miles
north and south of a line from 35 miles west of Stephenville TX to
Fort Smith AR. For a complete depiction of the watch see the
associated watch outline update (WOUS64 KWNS WOU9).
REMEMBER...A Tornado Watch means conditions are favorable for
tornadoes and 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.
OTHER WATCH INFORMATION...CONTINUE...WW 246...WW 247...WW 248...
AVIATION...Tornadoes and 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 23035.