..HEAVY RAINFALL EXPECTED OVER THE REGION TONIGHT... 

.A STRONG UPPER LEVEL SYSTEM WILL INTERACT WITH A FRONTAL BOUNDARY
NOW MOVING INTO CENTRAL IOWA. THIS WILL RESULT IN STRONG TO SEVERE
THUNDERSTORMS WHICH MAY TRAIN OVER PORTIONS OF CENTRAL AND
NORTHERN IOWA RESULTING IN HEAVY RAINFALL AND FLASH FLOODING. 

...FLASH FLOOD WATCH IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH
WEDNESDAY MORNING... 

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A 

* FLASH FLOOD WATCH FOR PORTIONS OF CENTRAL IOWA...NORTH CENTRAL
IOWA...NORTHEAST IOWA...NORTHWEST IOWA...SOUTH CENTRAL IOWA...
SOUTHEAST IOWA...SOUTHWEST IOWA AND WEST CENTRAL IOWA...
INCLUDING THE FOLLOWING AREAS...IN CENTRAL IOWA...BOONE...
DALLAS...GRUNDY...HAMILTON...HARDIN...JASPER...MARSHALL...
POLK...POWESHIEK...STORY...TAMA AND WEBSTER. IN NORTH CENTRAL
IOWA...BUTLER...CERRO GORDO...FRANKLIN...HANCOCK...HUMBOLDT...
KOSSUTH...WINNEBAGO...WORTH AND WRIGHT. IN NORTHEAST IOWA...
BLACK HAWK AND BREMER. IN NORTHWEST IOWA...EMMET...PALO ALTO
AND POCAHONTAS. IN SOUTH CENTRAL IOWA...APPANOOSE...CLARKE...
DECATUR...LUCAS...MADISON...MAHASKA...MARION...MONROE...
RINGGOLD...UNION...WARREN AND WAYNE. IN SOUTHEAST IOWA...DAVIS
AND WAPELLO. IN SOUTHWEST IOWA...ADAIR...ADAMS...CASS AND
TAYLOR. IN WEST CENTRAL IOWA...AUDUBON...CALHOUN...CARROLL...
CRAWFORD...GREENE...GUTHRIE AND SAC. 

* FROM 7 PM CDT THIS EVENING THROUGH WEDNESDAY MORNING 

* MOST AREAS WILL RECEIVE UP TO AN INCH OF RAIN OVERNIGHT WITH THE
POTENTIAL FOR AN AXIS OF HEAVY RAIN OVER CENTRAL AND NORTHERN
IOWA OF 3 TO 5 INCHES TO OCCUR BY EARLY WEDNESDAY MORNING. THE
HEAVIEST RAIN AXIS IS MOST LIKELY BETWEEN HIGHWAY 18 AND INTERSTATE
80. SOUTHERN AREAS MAY NOT SEE THE HEAVIEST RAINFALL...BUT ONLY
AN INCH OR TWO OF HEAVY RAIN WILL CAUSE FLASH FLOODING THERE. 

* ACROSS AREAS WHICH RECEIVE HEAVY RAINFALL RATES OF 1 TO 2 INCHES
PER HOUR...FLASH FLOODING WILL DEVELOP QUICKLY DUE TO RECENT
HEAVY RAINS AND HIGH SOIL MOISTURE LEVELS.

This entry was posted on June 22, 2010 at 8:46 pm and is filed under Severe Weather Alerts. You can follow any responses to this entry through the RSS 2.0 feed.