URGENT – IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 496
NWS STORM PREDICTION CENTER NORMAN OK
720 PM CDT FRI JUN 17 2011
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
PARTS OF WESTERN AND SOUTH CENTRAL MINNESOTA
EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING FROM 720 PM
UNTIL 200 AM CDT.
TORNADOES…HAIL TO 1 INCH IN DIAMETER…THUNDERSTORM WIND GUSTS
TO 70 MPH…AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 40 STATUTE
MILES EAST AND WEST OF A LINE FROM 15 MILES NORTHWEST OF
ALEXANDRIA MINNESOTA TO REDWOOD FALLS MINNESOTA. FOR A COMPLETE
DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
(WOUS64 KWNS WOU6).
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 492…WW 493…WW
494…WW 495…
DISCUSSION…TSTMS EXPECTED TO PERSIST THROUGH LATE EVE INVOF WEAK
WNW-ESE WARM FRONT LOCATED NEAR/A LITTLE N OF THE MN RVR. OTHER
STORMS MAY MOVE INTO WRN PART OF WW AS FRONTAL CONVECTION MOVES
ENEWD. MODERATE LOW LVL DIRECTIONAL SHEAR…INCREASING LARGE SCALE
ASCENT WITH APPROACH OF ND SHORTWAVE IMPULSE…AND MOIST LOW TO MID
LVL ENVIRONMENT MAY SUPPORT A FEW WEAK SUPERCELLS WITH SUFFICIENT
LOW LVL ROTATION TO YIELD TORNADOES AND PERHAPS LOCALLY DMGG
WIND/MARGINALLY SVR HAIL.
AVIATION…TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
MEAN STORM MOTION VECTOR 25020.
St. Cloud Area Weather 