707
WWUS20 KWNS 152239
SEL6
SPC WW 152239
ILZ000-INZ000-MIZ000-OHZ000-LMZ000-160600-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 56
NWS STORM PREDICTION CENTER NORMAN OK
640 PM EDT SUN MAR 15 2026
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
NORTHEAST ILLINOIS
NORTHERN INDIANA
SOUTHWEST LOWER MICHIGAN
NORTHWEST OHIO
LAKE MICHIGAN
* EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 640 PM
UNTIL 200 AM EDT.
* PRIMARY THREATS INCLUDE...
SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
ISOLATED LARGE HAIL EVENTS TO 0.5 INCHES IN DIAMETER POSSIBLE
A TORNADO OR TWO POSSIBLE
SUMMARY...AN INTENSIFYING SQUALL LINE WILL QUICKLY MOVE
EAST-NORTHEAST ACROSS THE WATCH AREA THIS EVENING INTO TONIGHT.
DAMAGING STRAIGHT-LINE WIND GUSTS WILL LIKELY BE THE PRIMARY HAZARD,
BUT A BRIEF TORNADO COULD ACCOMPANY BOWING SEGMENTS OR INFLECTIONS
WITHIN THE SQUALL LINE.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 65
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 60 MILES NORTHWEST OF
DANVILLE IL TO 25 MILES SOUTH SOUTHEAST OF JACKSON MI. 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 52...WW 53...WW 54...WW
55...
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 350. MEAN STORM MOTION VECTOR
24045.
...SMITH
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