

358 

WWUS20 KWNS 171807

SEL4

SPC WW 171807

MIZ000-LHZ000-LMZ000-180100-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 564

NWS STORM PREDICTION CENTER NORMAN OK

110 PM EST SUN NOV 17 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* TORNADO WATCH FOR PORTIONS OF

  NORTHERN LOWER MICHIGAN

  LAKE HURON

  LAKE MICHIGAN



* EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 110 PM UNTIL

  800 PM EST.



* PRIMARY THREATS INCLUDE...

  SEVERAL TORNADOES POSSIBLE



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 50 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 35 MILES WEST OF TRAVERSE

CITY MICHIGAN TO 25 MILES NORTH NORTHEAST OF OSCODA MICHIGAN.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU4).



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 561...WW 562...WW 563...



DISCUSSION...THUNDERSTORMS ARE EXPECTED TO INCREASE IN COVERAGE AND

INTENSITY ACROSS THE WATCH AREA THIS AFTERNOON AMIDST A MARGINALLY

UNSTABLE BUT STRONGLY SHEARED ENVIRONMENT.  EMBEDDED BOWING AND

SUPERCELL STRUCTURES WILL POSE A RISK FOR TORNADOES AND DAMAGING

WINDS.



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

350. MEAN STORM MOTION VECTOR 23050.





...MEAD

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