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 255
NWS Storm Prediction Center Norman OK
200 AM CDT Fri Jun 11 2021
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
A small part of northwestern Minnesota
Eastern North Dakota
* Effective this Friday morning from 200 AM until 700 AM CDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
Isolated large hail events to 1 inch in diameter possible
SUMMARY...A squall line in central North Dakota will continue to
move generally eastward through the early morning hours, with the
threat for occasional damaging gusts and marginally severe hail
before the storms weaken after moving into western Minnesota toward
The severe thunderstorm watch area is approximately along and 65
statute miles east and west of a line from 60 miles north northeast
of Devils Lake ND to 70 miles south southeast of Jamestown ND. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU5).
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 253...WW 254...
AVIATION...A few severe thunderstorms with hail surface and aloft to
1 inch. Extreme turbulence and surface wind gusts to 60 knots. A few
cumulonimbi with maximum tops to 500. Mean storm motion vector