Hazardous Weather Outlook
Issued by NWS Quad Cities, IA IL

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FLUS43 KDVN 211003
HWODVN

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
503 AM CDT THU AUG 21 2014

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-221015-
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JEFFERSON-
HENRY IA-DES MOINES-VAN BUREN-LEE-JO DAVIESS-STEPHENSON-CARROLL-
WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-MERCER-HENDERSON-
WARREN-HANCOCK-MCDONOUGH-SCOTLAND-CLARK-
503 AM CDT THU AUG 21 2014

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

THUNDERSTORMS WILL BE POSSIBLE THIS MORNING...MAINLY NORTH OF I-80
WITH SOME STORMS POSSIBLY STRONG TO ISOLATED SEVERE. THE PRIMARY
RISK WILL BE GUSTY WINDS UP TO 50 TO 60 MPH...HAIL IS A SECONDARY
RISK WITH LOCALLY HEAVY RAIN TOTALS OF AN INCH OR MORE.

TONIGHT...ANOTHER ROUND OF CONVECTION IS EXPECTED WITH MORE STRONG
TO ISOLATED STORMS POSSIBLE. AGAIN...THE PRIMARY RISK WILL BE
GUSTY WINDS UP TO 50 TO 60 MPH...HAIL IS A SECONDARY RISK WITH
LOCALLY HEAVY RAIN TOTALS OF AN INCH OR MORE.

THE STORM PREDICTION CENTER HAS ALL BUT THE SOUTHERN PORTIONS OF THE
OUTLOOK AREA IN A SLIGHT RISK FOR SEVERE STORMS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

THERE WILL CONTINUE TO BE PERIODIC CHANCES FOR THUNDERSTORMS THROUGH
NEXT WEDNESDAY. THE BEST CHANCES FROM FRIDAY THROUGH SUNDAY WILL BE
OVERNIGHT AND INTO THE MORNING PERIOD MAINLY ALONG AND NORTH OF
INTERSTATE 80. AT THIS TIME...IT APPEARS CONDITIONS MAY BE FAVORABLE
FOR ISOLATED STRONG TO SEVERE STORMS CAPABLE OF DAMAGING WIND
GUSTS AND LARGE HAIL DURING THE WEEKEND STORM EPISODES. A GREATER
RISK WILL BE AREAS OF LOCALLY HEAVY RAINFALL OF OVER AN INCH.

WHEN CLOUDS AND STORMS ARE NOT IMPACTING THE AREA...HOT AND HUMID
AIR WILL BUILD UP ACROSS MUCH OF THE REGION FROM FRIDAY THROUGH AT
LEAST SUNDAY. TEMPERATURES WARMING UP INTO THE 90S WITH DEW POINTS
IN THE 70S WILL ALLOW FOR HEAT INDICES TO APPROACH OR EXCEED 100
DEGREES IN SOME LOCATIONS DURING THE AFTERNOON AND EARLY EVENING.
CURRENT INDICATIONS SUGGEST AREAS ALONG AND SOUTH OF INTERSTATE 80
WILL HAVE THE BEST CHANCE FOR THESE HIGH HEAT INDICES FRIDAY AND
SATURDAY AFTERNOON. THE ENTIRE OUTLOOK AREA MAY BE AT RISK OF 100
DEGREE OR HIGHER HEAT INDICES ON SUNDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS MARGINALLY POSSIBLE TODAY. PLEASE REPORT ANY
WINDS OVER 40 MPH...HAIL AND RAIN TOTALS OVER AN INCH TO THE NWS
FORECAST OFFICE IN THE QUAD CITIES.

$$

NICHOLS/12






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