965
WWUS20 KWNS 202347
SEL5
SPC WW 202347
MIZ000-LHZ000-LMZ000-LSZ000-210600-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 505
NWS STORM PREDICTION CENTER NORMAN OK
750 PM EDT MON JUL 20 2026
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
NORTHERN LOWER MICHIGAN
LAKE HURON
LAKE MICHIGAN
LAKE SUPERIOR
* EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 750 PM
UNTIL 200 AM EDT.
* PRIMARY THREATS INCLUDE...
SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE
A TORNADO OR TWO POSSIBLE
SUMMARY...WIDELY SCATTERED INTENSE STORMS OVER UPPER MICHIGAN AND
NORTHERN WISCONSIN WILL TRACK SOUTHEASTWARD INTO THE WATCH AREA THIS
EVENING, POSING A RISK OF DAMAGING WINDS AND HAIL. A TORNADO OR TWO
IS POSSIBLE.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 55
STATUTE MILES EAST AND WEST OF A LINE FROM 15 MILES SOUTHEAST OF
MANISTEE MI TO 40 MILES NORTH NORTHEAST OF PELLSTON MI. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU5).
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 500...WW 501...WW 504...
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO
2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A
FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR
28030.
...HART
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