TORNADO WATCH FOR PORTIONS OF
SOUTHWEST MINNESOTA
EASTERN SOUTH DAKOTA
EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 645 PM UNTIL
200 AM CDT.
TORNADOES...HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 55 STATUTE
MILES EAST AND WEST OF A LINE FROM 55 MILES SOUTH OF MITCHELL
SOUTH DAKOTA TO 40 MILES NORTHEAST OF ORTONVILLE 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 633...WW 634...WW 635...
DISCUSSION...INTENSE TSTMS ARE EXPECTED TO CONTINUE TO MOVE/DEVELOP
NNEWD ACROSS AREA TONIGHT IN ADVANCE OF MIDLEVEL VORTICITY
MAXIMUM/JET STREAK LIFTING THROUGH CNTRL NEB. AMBIENT INFLOW AIR
MASS REMAINS QUITE MOIST AND UNSTABLE WITH DEWPOINTS OF AROUND 70 F
AND MLCAPE OF 1000-1500 J/KG. AND WHILE CONVECTIVE MODE WILL REMAIN
LARGELY LINEAR...THE PRESENCE OF A 50-60 KT SLY LLJ AND RESULTANT
300-400 M2/S2 EFFECTIVE SRH SUGGEST THE THREAT FOR EMBEDDED
SUPERCELL STRUCTURES WITH A RISK FOR A COUPLE TORNADOES.
AVIATION...TORNADOES AND 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 22040.
...MEAD
WWWW
**This information should not be used to make life or death decisions.
For official warnings and statements tune to your local broadcast stations
or visit http://weather.gov
