TORNADO WATCH 7:56 PM to 10:00 P.M.

Tornado Watch
WATCH COUNTY NOTIFICATION FOR WATCH 113

NATIONAL WEATHER SERVICE CHICAGO IL
756 PM CDT FRI APR 30 2010
[NO MAJOR RADAR THREAT THROUGH 9:30 PM]

ILC031-043-063-091-105-197-010300-
/O.EXB.KLOT.TO.A.0113.000000T0000Z-100501T0300Z/

THE NATIONAL WEATHER SERVICE HAS EXTENDED TORNADO WATCH 113 TO
INCLUDE THE FOLLOWING AREAS UNTIL 10 PM CDT THIS EVENING

IN ILLINOIS THIS WATCH INCLUDES 6 COUNTIES

IN CENTRAL ILLINOIS

LIVINGSTON

IN NORTHEAST ILLINOIS

COOK DUPAGE GRUNDY
KANKAKEE WILL

THIS INCLUDES THE CITIES OF…CHICAGO…JOLIET…KANKAKEE…
MORRIS…PONTIAC AND WHEATON.

++++++++++++++++++++++++++++

Hazardous Weather Outlook
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
808 PM CDT FRI APR 30 2010

WINNEBAGO-BOONE-MCHENRY-LAKE ILLINOIS-OGLE-LEE-DE KALB-KANE-
DUPAGE-COOK-LA SALLE-KENDALL-GRUNDY-WILL-KANKAKEE-LIVINGSTON-
IROQUOIS-FORD-LAKE INDIANA-PORTER-NEWTON-JASPER-BENTON-
808 PM CDT FRI APR 30 2010 /908 PM EDT FRI APR 30 2010/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS…
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.

.DAY ONE…TONIGHT.

WEATHER HAZARDS EXPECTED:

THUNDERSTORMS WILL CONTINUE TO MOVE NORTHEASTWARD ACROSS THE
OUTLOOK AREA THIS EVENING AND TONIGHT. THERE IS A SLIGHT TO
MODERATE RISK THAT SOME OF THESE STORMS COULD BE SEVERE.
DAMAGING STRAIGHT LINE WINDS WILL BE THE GREATEST THREAT FROM
THESE STORMS…THOUGH A FEW TORNADOES ARE POSSIBLE.

AREAS AFFECTED AND TIMING:

THUNDERSTORMS WILL AFFECT THE OUTLOOK AREA FROM WEST TO EAST
THIS EVENING THROUGH TONIGHT. WHILE THE THREAT OF SEVERE WEATHER
EXISTS ACROSS THE ENTIRE OUTLOOK AREA…THE HIGHEST
PROBABILITIES OF SEVERE WEATHER WILL BE ACROSS WESTERN PORTIONS
OF THE OUTLOOK AREA THIS EVENING…ESPECIALLY ALONG AND WEST OF
THE INTERSTATE 55 CORRIDOR.

DISCUSSION:

THUNDERSTORMS WILL CONTINUE TO DEVELOP ALONG A SLOW MOVING
COLD FRONT AS IT APPROACHES THE AREA TONIGHT.

MODERATE INSTABILITY AND STRONG WINDS ALOFT WILL CREATE
ATMOSPHERIC CONDITIONS FAVORABLE FOR A FEW SEVERE
THUNDERSTORMS…PRIMARILY IN THE FORM OF LINE AND BOWING
SEGMENTS. HOWEVER…A FEW TORNADOES WILL ALSO BE POSSIBLE.

.DAYS TWO THROUGH SEVEN…SATURDAY THROUGH THURSDAY.

THERE IS A CHANCE FOR THUNDERSTORMS SATURDAY EVENING…WITH
THUNDERSTORMS LIKELY SATURDAY NIGHT. THERE IS A CHANCE THESE
SHOWERS AND THUNDERSTORMS MAY LINGER INTO EARLY SUNDAY MORNING.

.SPOTTER INFORMATION STATEMENT…

SPOTTERS ARE ENCOURAGED TO REPORT ANY SEVERE WEATHER TO THE
NATIONAL WEATHER SERVICE IN CHICAGO.

&&

COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGOWEBPAGE …
WEATHER.GOV/CHICAGO

SEVERE WEATHER SUMMARY PAGE …
http://www.crh.noaa.gov/hazards/lot