STORM SUMMARY NUMBER 1 FOR CENTRAL PLAINS HEAVY RAIN
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
400 AM CDT TUE JUN 12 2007

...VERY HEAVY RAINFALL OVER THE CENTRAL AND NORTHERN PLAINS WILL
RESULT IN FLASH FLOODS OVER THE NEXT SEVERAL DAYS...

...FLASH FLOOD WATCHES ARE IN EFFECT...OR WILL BE GOING INTO
EFFECT LATER THIS MORNING...FOR WESTERN AND CENTRAL NORTH
DAKOTA...MUCH OF SOUTH DAKOTA...AND WESTERN AND CENTRAL NEBRASKA.

...FLASH FLOOD WARNINGS ARE IN EFFECT FOR SEVERAL COUNTIES IN
SOUTHWEST NEBRASKA...

AT 400 AM CDT...CENTRAL U.S. DOPPLER RADARS SHOWED CONVECTION
SCATTERED OVER THE PLAINS STATES WITH A CLUSTER OF VERY STRONG
STORMS PRODUCING HEAVY RAINFALL OVER SOUTHWEST NEBRASKA. ESTIMATES
FROM THIS AREA INDICATED 2 TO 4 INCHES OF RAIN OVERNIGHT.

AN AREA OF LOW PRESSURE WAS OVER NORTH DAKOTA WITH A COLD FRONT
EXTENDING SOUTHWEST INTO THE CENTRAL ROCKIES. THIS COLD FRONT WILL
MOVE SLOWLY EASTWARD TODAY AND INTO THE CENTRAL PLAINS WHERE A
VERY MOIST AIRMASS IS ALREADY IN PLACE. SHOWERS AND THUNDERSTORMS
ARE FORECAST TO INCREASE IN COVERAGE AND INTENSITY TODAY WITH VERY
HEAVY RAINFALL EXPECTED TONIGHT AND WEDNESDAY. RAINFALL TOTALS
THROUGH THURSDAY MORNING COULD EXCEED FIVE INCHES IN SEVERAL
PLACES.

THE NEXT STORM SUMMARY WILL BE ISSUED BY THE HYDROMETEOROLOGICAL
PREDICTION CENTER AT 1000 AM CDT. PLEASE REFER TO YOUR LOCAL
NATIONAL WEATHER SERVICE OFFICE FOR ADDITIONAL INFORMATION ON THIS
EVENT.

ECKERT