WATCHES: Tornado Watch Number 705

WWUS20 KWNS 232025
SEL5
SPC WW 232025
IAZ000-MOZ000-240300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 705
NWS STORM PREDICTION CENTER NORMAN OK
325 PM CDT SAT OCT 23 2010

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF

SOUTHERN IOWA
NORTHERN MISSOURI

EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 325 PM UNTIL
1000 PM CDT.

TORNADOES...HAIL TO 2 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 65 STATUTE
MILES EAST AND WEST OF A LINE FROM 45 MILES EAST SOUTHEAST OF
KANSAS CITY MISSOURI TO 15 MILES EAST NORTHEAST OF KNOXVILLE
IOWA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED
WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).

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 704...

DISCUSSION...TSTMS ARE DEVELOPING THIS AFTERNOON FROM THE VICINITY
OF A WARM FRONT ALONG THE IA/MO BORDER SWD TO NEAR KANSAS CITY
WITHIN A MOIST AND UNSTABLE AIR MASS WITH MLCAPE VALUES OF 1000-1500
J/KG. SUSTAINED LOW-LEVEL WAA ALONG A SWLY 40+ KT LLJ SHOULD
SUPPORT FURTHER STORM INTENSIFICATION LATE THIS AFTERNOON INTO
EVENING. AREA PROFILER AND VWP DATA INDICATE VERTICALLY-VEERING
WIND PROFILES WITH SUFFICIENT LOW AND DEEP-LAYER SHEAR FOR
SUPERCELLS CAPABLE OF LARGE HAIL...DAMAGING WINDS AND A FEW
TORNADOES.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 24035.

...MEAD

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