SPC Severe Thunderstorm Watch 317

WW 317 SEVERE TSTM ND 290250Z - 290700Z

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 317
NWS Storm Prediction Center Norman OK
950 PM CDT Sun Jun 28 2020

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  South-central North Dakota

* Effective this Sunday night and Monday morning from 950 PM
  until 200 AM CDT.

* Primary threats include...
  Scattered damaging winds and isolated significant gusts to 75
    mph possible
  Isolated large hail events to 1.5 inches in diameter possible
  A tornado or two possible

SUMMARY...A band of storms will move eastward across south-central
North Dakota late this evening and early in the overnight. As this
happens, these storms will remain capable of damaging winds and some
severe hail, although overall storm intensity is expected to
gradually diminish overnight.

The severe thunderstorm watch area is approximately along and 50
statute miles east and west of a line from 65 miles north northeast
of Bismarck ND to 70 miles southeast of Bismarck ND. 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 313...WW 314...WW
315...WW 316...

AVIATION...A few severe thunderstorms with hail surface and aloft to
1.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
25025.

...Guyer

Read more

from SPC Forecast Products http://www.spc.noaa.gov/products/watch/ww0317.html