Alba Weather - Special Cases

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

THERE WILL BE SCATTERED THUNDERSTORMS WEST OF THE MISSISSIPPI RIVER
THIS MORNING. A MARGINALLY SEVERE THUNDERSTORM MAY PRODUCE HAIL UP
TO PENNY SIZE.

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FROM LATE THIS
AFTERNOON THROUGH TONIGHT...MAINLY NORTHWEST OF A DUBUQUE TO
MUSCATINE TO WASHINGTON LINE. THE MAIN THREAT WILL BE DAMAGING WIND
GREATER THAN 60 MPH AND LARGE HAIL. TORRENTIAL RAINS OF UP TO 2
INCHES PER HOUR IS ALSO POSSIBLE WHICH WOULD CAUSE PONDING OF WATER
IN LOW LYING AREAS. SCATTERED THUNDERSTORMS WILL DEVELOP ACROSS
NORTHEAST IOWA LATE THIS AFTERNOON AS A COLD FRONT APPROACHES FROM
MINNESOTA. A MORE ORGANIZED THUNDERSTORM COMPLEX SHOULD SPREAD ACROSS
MUCH OF THE OUTLOOK AREA TONIGHT...AS A STRENGTHENING LOW LEVEL JET
IMPINGES ON THE SLOW MOVING COLD FRONT.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY
MUCH OF THE AREA NORTH OF HIGHWAY 34 IS OUTLOOKED FOR A SLIGHT
RISK OF SEVERE THUNDERSTORMS FOR MONDAY AFTERNOON AND MONDAY
NIGHT. SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP ALONG A
STALLED FRONTAL BOUNDARY OVER CENTRAL AND NORTHEAST IOWA DURING
THE AFTERNOON. THE THUNDERSTORMS WILL MOVE EAST INTO NORTHERN
ILLINOIS DURING THE EVENING.  THE PRIMARY SEVERE WEATHER RISK
WILL BE DAMAGING WINDS AND LARGE HAIL. LOCALLY HEAVY RAINS WILL
ALSO BE POSSIBLE...RESULTING IN LOCALIZED FLOODING.

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER THE ENTIRE
AREA FOR TUESDAY AFTERNOON AND TUESDAY EVENING AS THE BOUNDARY
MOVES SOUTH. THE PRIMARY SEVERE WEATHER RISK WILL BE DAMAGING
WINDS. LOCALLY HEAVY RAINS WILL ALSO BE POSSIBLE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED LATE THIS AFTERNOON AND TONIGHT.