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URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 240
NWS Storm Prediction Center Norman OK
440 AM CDT Fri Jun 29 2018
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
North-central and Northeast Minnesota
* Effective this Friday morning from 440 AM until 1100 AM CDT.
* Primary threats include...
Widespread damaging winds likely with isolated significant gusts
to 75 mph possible
A tornado or two possible
SUMMARY...An intense and fast-moving (50+ mph) squall line/bow echo
will continue generally eastward this morning across essentially all
of northern Minnesota, and it eventually may reach western Lake
Superior and northwest Wisconsin. Swaths of wind damage can be
expected this morning even while this fast-moving wind-producing
system may undergo a weakening trend later this morning.
Additionally, a tornado or two cannot be ruled out with embedded
circulations within the line.
The severe thunderstorm watch area is approximately along and 90
statute miles north and south of a line from 70 miles north
northwest of Brainerd MN to 40 miles south southeast of Grand Marais
MN. For a complete depiction of the watch see the associated watch
outline update (WOUS64 KWNS WOU0).
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 239...
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