The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Click for Watch Status Reports
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 361
NWS Storm Prediction Center Norman OK
505 PM CDT Wed Jun 21 2017
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Eastern North Dakota
Northeast South Dakota
* Effective this Wednesday afternoon and evening from 505 PM
until 1000 PM 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
SUMMARY...Thunderstorms will intensify over eastern ND/SD and track
eastward across the watch this afternoon and evening. Locally
damaging winds and hail will be possible in the stronger cells.
The severe thunderstorm watch area is approximately along and 60
statute miles east and west of a line from 30 miles northeast of
Thief River Falls MN to 95 miles south of Fargo ND. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU1).
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 359...WW 360...
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