

666 

WWUS20 KWNS 011723

SEL5

SPC WW 011723

MIZ000-LHZ000-LMZ000-LSZ000-012200-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 485

NWS STORM PREDICTION CENTER NORMAN OK

125 PM EDT MON SEP 1 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  NORTHERN LOWER AND EASTERN UPPER MICHIGAN

  LAKE HURON

  LAKE MICHIGAN

  LAKE SUPERIOR



* EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 125 PM UNTIL

  600 PM EDT.



* PRIMARY THREATS INCLUDE...

  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 50

STATUTE MILES EAST AND WEST OF A LINE FROM 35 MILES SOUTHWEST OF

OSCODA MICHIGAN TO 60 MILES NORTH OF PELLSTON MICHIGAN.  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.



&&



DISCUSSION...A LINE OF STRONG THUNDERSTORMS OVER WESTERN LOWER MI

WILL TRACK EASTWARD ACROSS THE WATCH AREA THIS AFTERNOON.

SUFFICIENT VERTICAL SHEAR AND MODERATE CAPE VALUES MAY BE SUFFICIENT

FOR A FEW ORGANIZED STORMS CAPABLE OF DAMAGING WINDS OR A BRIEF

TORNADO.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 24035.





...HART



326 

WWUS20 KWNS 011723

SEL5

SPC WW 011723

MIZ000-LHZ000-LMZ000-LSZ000-012200-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 485

NWS STORM PREDICTION CENTER NORMAN OK

125 PM EDT MON SEP 1 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  NORTHERN LOWER AND EASTERN UPPER MICHIGAN

  LAKE HURON

  LAKE MICHIGAN

  LAKE SUPERIOR



* EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 125 PM UNTIL

  600 PM EDT.



* PRIMARY THREATS INCLUDE...

  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 50

STATUTE MILES EAST AND WEST OF A LINE FROM 35 MILES SOUTHWEST OF

OSCODA MICHIGAN TO 60 MILES NORTH OF PELLSTON MICHIGAN.  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.



&&



DISCUSSION...A LINE OF STRONG THUNDERSTORMS OVER WESTERN LOWER MI

WILL TRACK EASTWARD ACROSS THE WATCH AREA THIS AFTERNOON.

SUFFICIENT VERTICAL SHEAR AND MODERATE CAPE VALUES MAY BE SUFFICIENT

FOR A FEW ORGANIZED STORMS CAPABLE OF DAMAGING WINDS OR A BRIEF

TORNADO.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 24035.





...HART

