Hazardous Weather Outlook
Issued by NWS Quad Cities, IA IL

000
FLUS43 KDVN 120901
HWODVN

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
400 AM CDT WED JUN 12 2013

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-130900-
BENTON IA-BUCHANAN IA-BUREAU IL-CARROLL IL-CEDAR IA-CLARK MO-
CLINTON IA-DELAWARE IA-DES MOINES IA-DUBUQUE IA-HANCOCK IL-
HENDERSON IL-HENRY IA-HENRY IL-IOWA IA-JACKSON IA-JEFFERSON IA-
JO DAVIESS IL-JOHNSON IA-JONES IA-KEOKUK IA-LEE IA-LINN IA-LOUISA IA-
MCDONOUGH IL-MERCER IL-MUSCATINE IA-PUTNAM IL-ROCK ISLAND IL-
SCOTLAND MO-SCOTT IA-STEPHENSON IL-VAN BUREN IA-WARREN IL-
WASHINGTON IA-WHITESIDE IL-
400 AM CDT WED JUN 12 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
ILLINOIS...NORTHWEST ILLINOIS...WEST CENTRAL ILLINOIS...EAST
CENTRAL IOWA...NORTHEAST IOWA...SOUTHEAST IOWA AND NORTHEAST
MISSOURI.

.DAY ONE...TODAY AND TONIGHT

AN OUTBREAK OF WIDESPREAD SEVERE THUNDERSTORMS IS LIKELY TODAY AND
THIS EVENING. THE STORM PREDICTION CENTER IS FORECASTING A MODERATE
RISK FOR MUCH OF THE OUTLOOK AREA...WITH THE WESTERN SECTIONS IN
SLIGHT RISK TODAY AND TONIGHT. TODAYS THREAT WILL BE SUPERCELL
THUNDERSTORMS...MOST LIKELY ALONG AND NORTH OF INTERSTATE 80 THIS
AFTERNOON. THESE STORMS WILL HAVE THE POTENTIAL FOR TORNADOES...VERY
LARGE HAIL...AND DAMAGING WINDS. A FEW STRONG TORNADOES ARE POSSIBLE
THIS AFTERNOON...ALONG A STATIONARY FRONT BETWEEN INTERSTATE 80 AND
HIGHWAY 20 IN EASTERN IOWA AND NORTHERN ILLINOIS. A LOW PRESSURE
CENTER WILL MOVE ALONG THE FRONT LATE THIS AFTERNOON AND THIS
EVENING...CREATING A VERY LARGE CLUSTER OF STORMS...WHICH WILL
CREATE A WIDESPREAD DAMAGING WIND THREAT OVER ALL OF THE OUTLOOK
AREA. BOWED OUT SECTIONS OF THIS CLUSTER OF STORMS WILL BE CAPABLE
DESTRUCTIVE WINDS OVER 80 MPH...ESPECIALLY OVER NORTHERN ILLINOIS.
HEAVY RAINFALL WILL BE A THREAT FROM ANY STORM TODAY AND TONIGHT...
AND SOME ISOLATED AREAS OF FLASH FLOODING WILL BE POSSIBLE.

AN EMERGENCY MANAGERS CONFERENCE CALL WILL BE CONDUCTED TODAY AT
1030 AM CONCERNING THIS EXPECTED SEVERE WEATHER EVENT.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

MORE ROUNDS OF THUNDERSTORMS WILL BE POSSIBLE FROM FRIDAY NIGHT
THROUGH SATURDAY NIGHT. LOCALLY HEAVY RAINFALL AND A FEW SEVERE
STORMS WILL BE POSSIBLE ACROSS PORTIONS OF THE OUTLOOK AREA FRIDAY
NIGHT INTO EARLY SATURDAY MORNING. REPEATED ROUNDS OF HEAVY RAIN
FRIDAY NIGHT AND AGAIN LATE SATURDAY AND SATURDAY NIGHT MAY PRODUCE
FLASH FLOODING AND RENEWED RIVER FLOODING. STAY TUNED FOR LATER
FORECASTS AND UPDATES CONCERNING THESE WEEKEND STORM EPISODES.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL BE NEEDED TODAY AND TONIGHT.

$$

ERVIN/12