SPC Severe Thunderstorm Watch 506



WW 506 SEVERE TSTM IN MI 110035Z – 110500Z

WW 0506 Image


URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 506
NWS Storm Prediction Center Norman OK
735 PM EST Tue Nov 10 2020

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Northern Indiana
  Lower Michigan

* Effective this Tuesday night from 735 PM until Midnight EST.

* Primary threats include...
  Isolated damaging wind gusts to 70 mph possible
  A tornado or two possible

SUMMARY...A fast-moving squall line will continue to race
northeastward this evening. While the overall intensity of the line
may gradually diminish, the fast forward motion and strengthening
winds in the lower part of the atmosphere will support the continued
possibility of isolated damaging wind gusts across parts of Lower
Michigan and far northern Indiana.

The severe thunderstorm watch area is approximately along and 35
statute miles east and west of a line from 95 miles north northeast
of Grand Rapids MI to 25 miles south of South Bend IN. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU6).

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 505...

AVIATION...A few severe thunderstorms with hail surface and aloft to
0.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 400. Mean storm motion vector
23045.

...Guyer

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