Tornado watches in effect for Indiana, Illinois, Iowa and Missouri.

Tornado watches in effect for Indiana, Illinois, Iowa and Missouri.

[link to www.spc.noaa.gov]


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

EASTERN ILLINOIS
INDIANA

EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 140 PM UNTIL 900 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 85 STATUTE MILES EAST AND WEST OF A LINE FROM 60 MILES NORTHWEST OF LAFAYETTE INDIANA TO 30 MILES SOUTH SOUTHWEST OF BLOOMINGTON INDIANA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).

DISCUSSION...SEVERE THREAT IS EXPECTED TO INCREASE ACROSS THE REGION THIS AFTERNOON AND CONTINUE WELL INTO THE EVENING AS STRONG UPPER LOW SHIFTS EWD OUT OF IA. STRONG SHEAR AND PRESENCE OF WARM FRONT WILL ENHANCE HELICITIES INCREASE THE THREAT OF TORNADIC SUPERCELLS. LARGE HAIL...SOME OF WHICH COULD BECOME QUITE LARGE...AND DAMAGING WINDS WILL BE ADDITIONAL HAZARDS.


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

CENTRAL AND EASTERN IOWA
CENTRAL ILLINOIS
NORTHEAST AND EAST CENTRAL MISSOURI

EFFECTIVE THIS SUNDAY MORNING AND EVENING FROM 1120 AM UNTIL 700 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 90 STATUTE MILES EAST AND WEST OF A LINE FROM 35 MILES NORTHWEST OF CEDAR RAPIDS IOWA TO 5 MILES SOUTHEAST OF SCOTT AFB ILLINOIS. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).

DISCUSSION...TORNADO THREAT EXPECTED TO INCREASE ACROSS WW THIS AFTERNOON AND CONTINUE INTO THE EVENING UNDERNEATH AND SOUTHEAST OF STRONG UPPER LOW NOW OVER CENTRAL IA. LOW LEVEL SHEAR WILL REMAIN QUITE STRONG NEAR A SURFACE WARM FRONT EXTENDING ACROSS CENTRAL IL...AND AHEAD OF A LOW CENTER DEVELOPING EWD ALONG THIS FRONT THROUGH THE DAY. SUPERCELLS DEVELOPING SSWWD INTO ERN MO ALONG A SURFACE TROUGH WILL ALSO MAINTAIN A TORNADO THREAT UNDER STRONGER WLY FLOW ALOFT. IN ADDITION...VERY STEEP LAPSE RATES AND STRONG LARGE SCALE ASCENT WILL SUPPORT WIDESPREAD LARGE HAIL WITH THESE STORMS THROUGH THE EARLY EVENING.