

742 

WWUS20 KWNS 101800

SEL1

SPC WW 101800

INZ000-MIZ000-OHZ000-LEZ000-110100-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 501

NWS STORM PREDICTION CENTER NORMAN OK

155 PM EDT WED SEP 10 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* TORNADO WATCH FOR PORTIONS OF

  WEST CENTRAL THROUGH EASTERN INDIANA

  SOUTHEAST LOWER MICHIGAN

  WESTERN AND NORTHERN OHIO

  LAKE ERIE



* EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 155 PM

  UNTIL 900 PM EDT.



* PRIMARY THREATS INCLUDE...

  A FEW TORNADOES LIKELY

  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE

MILES EAST AND WEST OF A LINE FROM 50 MILES NORTHEAST OF TOLEDO

OHIO TO 20 MILES EAST OF BLOOMINGTON INDIANA.  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...SHOWERS AND POSSIBLE WEAK TSTMS EXPECTED TO CONTINUE

FORMING ALONG RESIDUAL LOW-LVL CONFLUENCE BAND EXTENDING ROUGHLY NNE

FROM TERRE HAUTE IND TO W OF DETROIT MI. COMBINATION OF VERY STRONG

LOW-LVL SPEED/DIRECTIONAL SHEAR /WITH 0-1 KM SRH AOA 250 M2 PER S2/

COUPLED WITH PERSISTENT...VERY MOIST LOW-LVL INFLOW /PW AROUND 2

INCHES/ AND MODEST SFC HEATING SUGGESTS POTENTIAL FOR LOW-LVL

SHOWER/STORM ROTATION AND POSSIBLE TORNADOES/LOCALLY DMGG WIND

GUSTS...DESPITE RELATIVELY MEAGER LOW TO MID-LVL BUOYANCY.



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

300. MEAN STORM MOTION VECTOR 24040.





...CORFIDI



159 

WWUS20 KWNS 101800

SEL1

SPC WW 101800

INZ000-MIZ000-OHZ000-LEZ000-110100-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 501

NWS STORM PREDICTION CENTER NORMAN OK

155 PM EDT WED SEP 10 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* TORNADO WATCH FOR PORTIONS OF

  WEST CENTRAL THROUGH EASTERN INDIANA

  SOUTHEAST LOWER MICHIGAN

  WESTERN AND NORTHERN OHIO

  LAKE ERIE



* EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 155 PM

  UNTIL 900 PM EDT.



* PRIMARY THREATS INCLUDE...

  A FEW TORNADOES LIKELY

  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE

MILES EAST AND WEST OF A LINE FROM 50 MILES NORTHEAST OF TOLEDO

OHIO TO 20 MILES EAST OF BLOOMINGTON INDIANA.  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...SHOWERS AND POSSIBLE WEAK TSTMS EXPECTED TO CONTINUE

FORMING ALONG RESIDUAL LOW-LVL CONFLUENCE BAND EXTENDING ROUGHLY NNE

FROM TERRE HAUTE IND TO W OF DETROIT MI. COMBINATION OF VERY STRONG

LOW-LVL SPEED/DIRECTIONAL SHEAR /WITH 0-1 KM SRH AOA 250 M2 PER S2/

COUPLED WITH PERSISTENT...VERY MOIST LOW-LVL INFLOW /PW AROUND 2

INCHES/ AND MODEST SFC HEATING SUGGESTS POTENTIAL FOR LOW-LVL

SHOWER/STORM ROTATION AND POSSIBLE TORNADOES/LOCALLY DMGG WIND

GUSTS...DESPITE RELATIVELY MEAGER LOW TO MID-LVL BUOYANCY.



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

300. MEAN STORM MOTION VECTOR 24040.





...CORFIDI

