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WWUS20 KWNS 210011

SEL6

SPC WW 210011

MNZ000-NDZ000-210800-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 656

NWS Storm Prediction Center Norman OK

710 PM CDT Fri Sep 20 2019



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Northwestern Minnesota

  Eastern North Dakota



* Effective this Friday night and Saturday morning from 710 PM

  until 300 AM CDT.



* 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

  A tornado or two possible



SUMMARY...Strong-severe thunderstorms are expected to spread into

the area from the west through the remainder of the evening,

offering severe gusts/hail.  Meanwhile, warm-sector development

continues to expand and intensify, moving northward to

north-northeastward over the new watch.  In addition to the dominant

wind/hail threats, a tornado cannot be ruled out.  See SPC mesoscale

discussion 1991 for initial meteorological details.



The severe thunderstorm watch area is approximately along and 85

statute miles east and west of a line from 60 miles south southwest

of Fargo ND to 20 miles east northeast of Hallock MN. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU6).



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 654...WW 655...



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 550. Mean storm motion vector

22030.



...Edwards

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