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469 

WWUS20 KWNS 252044

SEL7

SPC WW 252044

MNZ000-260400-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 437

NWS Storm Prediction Center Norman OK

345 PM CDT Tue Jul 25 2017



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Central and southern Minnesota



* Effective this Tuesday afternoon and evening from 345 PM until

  1100 PM CDT.



* Primary threats include...

  Scattered damaging winds and isolated significant gusts to 75

    mph possible

  Scattered large hail and isolated very large hail events to 2

    inches in diameter possible

  A tornado or two possible



SUMMARY...Thunderstorms should develop east from eastern South

Dakota and offer a risk for severe wind/hail this evening, with a

tornadic storm also possible.



The severe thunderstorm watch area is approximately along and 55

statute miles north and south of a line from 45 miles south of

Ortonville MN to 20 miles southeast of Minneapolis MN. For a

complete depiction of the watch see the associated watch outline

update (WOUS64 KWNS WOU7).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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

tornadoes.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 436...



AVIATION...A few severe thunderstorms with hail surface and aloft to

2 inches. Extreme turbulence and surface wind gusts to 65 knots. A

few cumulonimbi with maximum tops to 550. Mean storm motion vector

25025.



...Grams

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