451
WWUS20 KWNS 202048
SEL1
SPC WW 202048
MIZ000-WIZ000-LMZ000-LSZ000-210400-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 501
NWS STORM PREDICTION CENTER NORMAN OK
350 PM CDT MON JUL 20 2026
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* TORNADO WATCH FOR PORTIONS OF
THE UPPER PENINSULA OF MICHIGAN
NORTHEAST WISCONSIN
LAKE MICHIGAN
LAKE SUPERIOR
* EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 350 PM UNTIL
1100 PM CDT.
* PRIMARY THREATS INCLUDE...
A FEW TORNADOES LIKELY WITH A COUPLE INTENSE TORNADOES POSSIBLE
SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 75
MPH LIKELY
SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2.5
INCHES IN DIAMETER POSSIBLE
SUMMARY...SCATTERED SUPERCELL DEVELOPMENT IS EXPECTED LATE THIS
AFTERNOON INTO EARLY TONIGHT ACROSS NORTH CENTRAL/NORTHEAST
WISCONSIN AND THE UPPER PENINSULA OF MICHIGAN. THE STORM
ENVIRONMENT FAVORS THE POTENTIAL FOR A FEW TORNADOES, INCLUDING A
COUPLE OF STRONG (EF2+) TORNADOES, AS WELL AS ISOLATED VERY LARGE
HAIL OF 2-2.5 INCHES IN DIAMETER. AS STORMS CLUSTER BY LATE
EVENING, THE THREAT FOR WIND DAMAGE WILL INCREASE, WITH A FEW
SIGNIFICANT (75+ MPH) GUSTS POSSIBLE.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 75 STATUTE MILES
EAST AND WEST OF A LINE FROM 35 MILES WEST NORTHWEST OF MARQUETTE MI
TO 45 MILES WEST SOUTHWEST OF GREEN BAY WI. FOR A COMPLETE DEPICTION
OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS
WOU1).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND 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.
OTHER WATCH INFORMATION...CONTINUE...WW 500...
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 65 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN
STORM MOTION VECTOR 30035.
...THOMPSON
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