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WWUS20 KWNS 142037

SEL8

SPC WW 142037

MNZ000-NDZ000-SDZ000-150500-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 508

NWS Storm Prediction Center Norman OK

340 PM CDT Sun Jul 14 2019



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Minnesota

  Eastern North Dakota

  Northeast South Dakota



* Effective this Sunday afternoon from 340 PM until Midnight CDT.



* Primary threats include...

  Scattered large hail and isolated very large hail events to 2.5

    inches in diameter possible

  Scattered damaging wind gusts to 70 mph possible

  A tornado or two possible



SUMMARY...Scattered thunderstorms will continue to develop and

intensify across the region, with moderate amounts of deep-layer

shear and ample moisture/instability favorable for both supercells

and multicells/clusters. Large hail and damaging winds are the

primary risks. While low-level shear is not particularly strong, a

tornado cannot be ruled out.



The severe thunderstorm watch area is approximately along and 90

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

northwest of Ortonville MN to 65 miles east northeast of Saint Cloud

MN. For a complete depiction of the watch see the associated watch

outline update (WOUS64 KWNS WOU8).



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 507...



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 550. Mean storm motion vector

29025.



...Guyer

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