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URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 175
NWS Storm Prediction Center Norman OK
440 PM CDT Fri May 17 2019
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Southern South Dakota
* Effective this Friday afternoon from 440 PM until Midnight CDT.
* Primary threats include...
Widespread large hail and isolated very large hail events to 2.5
inches in diameter likely
Scattered damaging wind gusts to 70 mph likely
A tornado or two possible
SUMMARY...Severe thunderstorms capable of large hail will track
northward across the watch area this evening.
The severe thunderstorm watch area is approximately along and 60
statute miles north and south of a line from 110 miles west of
Valentine NE to 25 miles east of Mitchell SD. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU5).
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 171...WW 172...WW
AVIATION...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