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URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 294
NWS Storm Prediction Center Norman OK
515 PM CDT Sun May 28 2017
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
* Effective this Sunday afternoon from 515 PM until Midnight 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...Severe thunderstorms will continue to develop across
northeast Texas into Louisiana. A few supercells are possible, and
storms may otherwise gradually cluster and move southeastward across
the region, particularly near a prior outflow boundary. Large hail
and damaging winds are expected to be the primary risks, but some
tornado threat may exist as well, particularly near the
aforementioned outflow boundary where the air mass continues to
The severe thunderstorm watch area is approximately along and 50
statute miles north and south of a line from 25 miles south
southwest of Tyler TX to 25 miles south of Monroe LA. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU4).
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 292...WW 293...
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