TORNADO WATCH NUMBER 561
NWS STORM PREDICTION CENTER NORMAN OK
840 AM CST SUN NOV 17 2013
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* TORNADO WATCH FOR PORTIONS OF
EASTERN IOWA
ILLINOIS
NORTHWEST INDIANA
NORTHEAST MISSOURI
SOUTHEAST WISCONSIN
LAKE MICHIGAN
* EFFECTIVE THIS SUNDAY MORNING AND AFTERNOON FROM 840 AM UNTIL
400 PM CST.
...THIS IS A PARTICULARLY DANGEROUS SITUATION...
* PRIMARY THREATS INCLUDE...
SEVERAL INTENSE TORNADOES LIKELY
SEVERAL LARGE HAIL EVENTS LIKELY WITH A FEW VERY LARGE HAIL
EVENTS TO 2 INCHES IN DIAMETER POSSIBLE
SEVERAL DAMAGING WIND GUSTS WITH A FEW SIGNIFICANT GUSTS TO 80
MPH POSSIBLE
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 100 STATUTE
MILES EAST AND WEST OF A LINE FROM 25 MILES SOUTH SOUTHEAST OF
SCOTT AFB ILLINOIS TO 40 MILES NORTHEAST OF MADISON WISCONSIN.
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.
&&
DISCUSSION...ONE OR MORE BROKEN BANDS OF SUPERCELLS ARE EXPECTED TO
DEVELOP THIS MORNING AND RAPIDLY SPREAD EAST/NORTHEAST ACROSS THE
WATCH AREA TODAY. GIVEN THE COMBINATION OF MODERATE INSTABILITY AND
VERY STRONG VERTICAL SHEAR...CONDITIONS WILL BE FAVORABLE FOR LONG
TRACKED...SIGNIFICANT TORNADOES. LARGE HAIL AND CORRIDORS OF WIND
DAMAGE WILL ALSO BE LIKELY.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 24050.
1 comment:
I think that I remember seeing that you're in the Chicago area. Hope you're safe!
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