SPC Severe Thunderstorm Watch 462

WW 462 SEVERE TSTM MN WI 280650Z - 281400Z

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 462
NWS Storm Prediction Center Norman OK
150 AM CDT Fri Aug 28 2020

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Southern Minnesota
  Extreme western Wisconsin

* Effective this Friday morning from 150 AM until 900 AM CDT.

* Primary threats include...
  Scattered damaging winds likely with isolated significant gusts
    to 80 mph possible
  Isolated large hail events to 1 inch in diameter possible
  A tornado or two possible

SUMMARY...A well-organized thunderstorm complex, with a history of
severe measured gusts (some hurricane force) in South Dakota, should
maintain some severe-wind potential across much of southern
Minnesota through at least daybreak.  Embedded, briefly tornadic
circulations also cannot be ruled out.

The severe thunderstorm watch area is approximately along and 65
statute miles north and south of a line from 60 miles south of
Ortonville MN to 35 miles north northeast of Rochester MN. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU2).

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 460...WW 461...

AVIATION...A few severe thunderstorms with hail surface and aloft to
1 inch. Extreme turbulence and surface wind gusts to 70 knots. A few
cumulonimbi with maximum tops to 550. Mean storm motion vector
27035.

...Edwards

Read more

from SPC Forecast Products http://www.spc.noaa.gov/products/watch/ww0462.html