BULLETIN – EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
521 PM CDT FRI JUN 18 2010

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* FLASH FLOOD WARNING FOR…
BLACK HAWK COUNTY IN NORTHEAST IOWA…

* UNTIL 1130 PM CDT

* AT 519 PM CDT…NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. BETWEEN 1 AND 1.5 INCHES OF RAIN HAS ALREADY FALLEN IN THE AREA AND ADDITIONAL RAINFALL OF 1 INCH OR MORE IS EXPECTED OVER THE NEXT HOUR OR TWO.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE…WATERLOO…CEDAR FALLS…EVANSDALE…HUDSON AND LA PORTE CITY.

STREET FLOODING HAS BEEN REPORTED IN CEDAR FALLS AND WATERLOO…CANE CREEK NEAR DEWAR IS REPORTED TO BE BANKFULL AT THIS TIME. ADDITIONAL RAINFALL MAY PUSH THIS AND OTHER CREEKS OUT OF THEIR BANKS.

THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES…
WEST FORK CEDAR RIVER…WAPSIPINICON RIVER…ELK RUN…SPRING
CREEK…BLACK HAWK CREEK…MILLER CREEK…WOLF CREEK…HAMMERS
CREEK…VIRDEN CREEK…NORTH FORK BLACKHAWK CREEK…SNAG CREEK…BEAVER CREEK…CRANE CREEK…ROCK CREEK…GIVEN CREEK…INDIAN CREEK…BUCK CREEK AND CAMP CREEK.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

ADDITIONAL RAINFALL AMOUNTS OF 1 INCH OR MORE ARE POSSIBLE IN THE WARNED AREA.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS…URBAN AREAS…HIGHWAYS…STREETS AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. TURN AROUND…DONT DROWN.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE.