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URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 274
NWS Storm Prediction Center Norman OK
505 PM CDT Thu Jul 12 2018
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
* Effective this Thursday afternoon from 505 PM until Midnight
* Primary threats include...
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
Scattered damaging wind gusts to 70 mph possible
SUMMARY...Thunderstorms are developing along a cold front extending
across south-central MN into western WI. A few of these storms will
pose a risk of locally damaging wind gusts and hail through the
The severe thunderstorm watch area is approximately along and 50
statute miles north and south of a line from 50 miles west of
Worthington MN to 50 miles east northeast of Eau Claire WI. 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 273...
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 500. Mean storm motion vector