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URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 290
NWS Storm Prediction Center Norman OK
1220 AM CDT Sun May 28 2017
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
* Effective this Sunday morning from 1220 AM until 800 AM CDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
Isolated very large hail events to 2 inches in diameter possible
A tornado or two possible
SUMMARY...Multiple mostly linear clusters of storms will continue to
move east/southeastward across the region overnight. Damaging winds
will be the main risk, but some severe hail will be possible a
tornado risk cannot be entirely ruled out.
The severe thunderstorm watch area is approximately along and 60
statute miles north and south of a line from 60 miles west northwest
of Russellville AR to 20 miles north northeast of Columbus MS. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU0).
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
OTHER WATCH INFORMATION...CONTINUE...WW 282...WW 284...WW
285...WW 286...WW 287...WW 288...WW 289...
AVIATION...A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 600. Mean storm motion vector