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URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 373
NWS Storm Prediction Center Norman OK
735 PM CDT Tue Jun 27 2017
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Central South Dakota
* Effective this Tuesday night and Wednesday morning from 735 PM
until 100 AM CDT.
* Primary threats include...
Scattered damaging winds likely with isolated significant gusts
to 75 mph possible
Scattered large hail likely with isolated very large hail events
to 2.5 inches in diameter possible
SUMMARY...Scattered thunderstorms over southwest South Dakota will
track eastward and across the watch area this evening. Damaging
wind gusts and large hail will be possible.
The severe thunderstorm watch area is approximately along and 55
statute miles east and west of a line from 35 miles north northeast
of Pierre SD to 50 miles south of Chamberlain SD. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU3).
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 372...
AVIATION...A few severe thunderstorms with hail surface and aloft to
2.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A
few cumulonimbi with maximum tops to 450. Mean storm motion vector