SEVERE WEATHER WARNING: Severe Thunderstorm Watch in Effect for MN.  More Info >>
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Severe Thunderstorm Watch in Effect for MN,WI
WW 489 SEVERE TSTM MN WI 200620Z - 201000Z
WW 0489 Image

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 489
NWS Storm Prediction Center Norman OK
120 AM CDT Wed Sep 20 2017

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  East-central Minnesota
  Northwest Wisconsin

* Effective this Wednesday morning from 120 AM until 500 AM CDT.

* Primary threats include...
  Isolated damaging wind gusts to 70 mph possible
  Isolated large hail events to 1 inch in diameter possible

SUMMARY...Line of strong to severe storms will progress east across
the Saint Croix Valley, likely weakening towards daybreak.

The severe thunderstorm watch area is approximately along and 55
statute miles east and west of a line from 20 miles west northwest
of Duluth MN to 5 miles east southeast of Minneapolis MN. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU9).

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 488...

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 550. Mean storm motion vector
25045.

...Grams

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