Tornado Watch 293

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

PARTS OF SOUTHERN IOWA
PARTS OF WESTERN ILLINOIS
PARTS OF NORTHERN MISSOURI

EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 240 PM UNTIL
1000 PM CDT.

TORNADOES...HAIL TO 2.5 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 75 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 15 MILES WEST SOUTHWEST OF
LAMONI IOWA TO 70 MILES EAST SOUTHEAST OF BURLINGTON IOWA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU3).

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...WITH STRONG TROUGH/WIND MAX PASSING BY TO THE NORTH AND
AIR MASS ACROSS WATCH AREA BECOMING MODERATELY UNSTABLE AND ONLY
WEAKLY CAPPED...THUNDERSTORMS SHOULD INITIATE SOON. PRIMARY FOCUS
WILL BE ALONG AND AHEAD OF THE COLD FRONT NOW INTO SWRN IA TO NERN
KS AND EWD ALONG WARM FRONT VICINITY IA/MO BORDER. STRONG VEERING
SHEAR PROFILES SUPPORT SUPERCELLS WHICH WILL INCLUDE NOT ONLY LARGE
HAIL AND WIND THREAT BUT ALSO TORNADOES. STORMS SHOULD MOVE/DEVELOP
EWD/SEWD ACROSS THE WATCH AS COLD FRONT MOVES SEWD THRU THE EVENING.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 26040.


..HALES
. IOWA COUNTIES INCLUDED ARE

APPANOOSE CLARKE DAVIS
DECATUR DES MOINES HENRY
JEFFERSON KEOKUK LEE
LOUISA LUCAS MAHASKA
MARION MONROE MUSCATINE
SCOTT VAN BUREN WAPELLO
WARREN WASHINGTON WAYNE

ILLINOIS COUNTIES INCLUDED ARE

ADAMS BROWN CASS
FULTON GREENE HANCOCK
HENDERSON HENRY KNOX
MASON MCDONOUGH MERCER
MORGAN PIKE ROCK ISLAND
SCHUYLER SCOTT WARREN

MISSOURI COUNTIES INCLUDED ARE

ADAIR CHARITON CLARK
DAVIESS GRUNDY HARRISON
KNOX LEWIS LINN
LIVINGSTON MACON MARION
MERCER MONROE PIKE
PUTNAM RALLS RANDOLPH
SCHUYLER SCOTLAND SHELBY
SULLIVAN