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Hazardous Weather Outlook

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
512 AM CDT WED AUG 20 2014

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-211015-
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-
512 AM CDT WED AUG 20 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

ISOLATED TO SCATTERED THUNDERSTORMS ARE POSSIBLE TODAY AND ESPECIALLY
TONIGHT. A FEW OF THE STORMS MAY BECOME STRONG...WITH GUSTY WINDS TO
OVER 40 MPH...HAIL UP TO THE SIZE OF PENNIES AND BRIEF HEAVY RAINFALL.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

SCATTERED THUNDERSTORMS WILL MOVE NORTH AND EAST OUT OF THE OUTLOOK
AREA BY MIDDAY THURSDAY. SEVERE THUNDERSTORMS ARE NOT EXPECTED
THURSDAY MORNING. THEN THERE WILL BE A LOW CHANCE FOR MORE
THUNDERSTORMS TO FIRE ACROSS PORTIONS OF THE OUTLOOK AREA NORTH OF
INTERSTATE 80 THURSDAY NIGHT INTO EARLY FRIDAY MORNING. IF STORMS
CAN MANAGE TO DEVELOP OR MOVE INTO PORTIONS OF THE AREA THURSDAY
NIGHT...THERE WILL BE THE CHANCE FOR AN ISOLATED SEVERE STORM
PRODUCING LARGE HAIL AND DAMAGING WINDS. A LARGER RISK WILL BE FOR
LOCALLY HEAVY RAINFALL OF OVER AN INCH.

FRIDAY NIGHT THROUGH MONDAY...THERE WILL BE A CONTINUED RISK OF
THUNDERSTORMS THROUGH THE PERIOD. AT THIS TIME...IT APPEARS
CONDITIONS MAY BE FAVORABLE FOR ISOLATED STRONG TO SEVERE STORMS WITH
A GREATER RISK OF AREAS OF HEAVY RAINFALL. THERE IS STILL UNCERTAINTY
ON HOW FAR NORTH OR SOUTH THAT THE MAIN STORM TRACK WILL LAY OUT OVER
THE WEEKEND...BUT CURRENT INDICATIONS SUGGEST IT WILL BE NORTH OF
INTERSTATE 80.

WHEN CLOUDS AND STORMS ARE NOT IMPACTING THE AREA...HOT AND MORE
HUMID AIR WILL BUILD UP ACROSS MUCH OF THE REGION FROM THURSDAY
THROUGH AT LEAST SUNDAY. TEMPERATURES WARMING UP INTO THE 90S WITH
DEWPOINTS IN THE 70S WILL ALLOW FOR HEAT INDICES TO APPROACH OR
EXCEED 100 DEGREES IN SOME LOCATIONS DURING THE AFTERNOON AND EARLY
EVENING. STAY TUNED FOR LATER FORECASTS AND UPDATES CONCERNING THIS
POTENTIALLY HOT AND ACTIVE WEATHER PERIOD.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION SHOULD NOT BE NEEDED TODAY OR TONIGHT. ANY REPORTS
OF HEAVY RAINFALL OVER AN INCH...GUSTY WINDS OVER 40 MPH AND HAIL WOULD
BE APPRECIATED.

$$

NICHOLS/12









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