

000 

WGUS53 KFSD 230259

FFWFSD

SDC035-230600-



BULLETIN - EAS ACTIVATION REQUESTED

FLASH FLOOD WARNING

NATIONAL WEATHER SERVICE SIOUX FALLS SD

957 PM CDT TUE MAY 22 2007



THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A



* FLASH FLOOD WARNING FOR...

  DAVISON COUNTY IN SOUTHEAST SOUTH DAKOTA



* UNTIL 100 AM CDT



* AT 953 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED

  VERY HEAVY RAIN FROM THUNDERSTORMS ALONG A LINE EXTENDING FROM

  MITCHELL TO 12 MILES SOUTHEAST OF PICKSTOWN...MOVING NORTHEAST

  AT 35 MPH.



* THE STORMS PRODUCING VERY HEAVY RAIN WILL CONTINUE TO MOVE OVER

  MITCHELL THROUGH 11 PM. URBAN FLOODING IS EXPECTED...INCLUDING

  FLOODING OF LOW-LYING OR POORLY DRAINED INTERSETIONS.



RAINFALL RATES OF 2 TO 3 INCHES PER HOUR ARE LIKELY...PRODUCING 

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 INCHES IN THE WARNED AREA

THROUGH 11 PM.



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.



BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE

DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE

UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS

SUBJECT TO FLOODING WHEN WATER BEGINS RISING.



TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY

YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN SIOUX

FALLS.



LAT...LON 4352 9830 4352 9799 4384 9797 4383 9830



$$

 JH



000 

WGUS53 KFSD 230259

FFWFSD

SDC035-230600-



BULLETIN - EAS ACTIVATION REQUESTED

FLASH FLOOD WARNING

NATIONAL WEATHER SERVICE SIOUX FALLS SD

957 PM CDT TUE MAY 22 2007



THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A



* FLASH FLOOD WARNING FOR...

  DAVISON COUNTY IN SOUTHEAST SOUTH DAKOTA



* UNTIL 100 AM CDT



* AT 953 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED

  VERY HEAVY RAIN FROM THUNDERSTORMS ALONG A LINE EXTENDING FROM

  MITCHELL TO 12 MILES SOUTHEAST OF PICKSTOWN...MOVING NORTHEAST

  AT 35 MPH.



* THE STORMS PRODUCING VERY HEAVY RAIN WILL CONTINUE TO MOVE OVER

  MITCHELL THROUGH 11 PM. URBAN FLOODING IS EXPECTED...INCLUDING

  FLOODING OF LOW-LYING OR POORLY DRAINED INTERSETIONS.



RAINFALL RATES OF 2 TO 3 INCHES PER HOUR ARE LIKELY...PRODUCING 

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 INCHES IN THE WARNED AREA

THROUGH 11 PM.



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.



BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE

DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE

UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS

SUBJECT TO FLOODING WHEN WATER BEGINS RISING.



TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY

YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN SIOUX

FALLS.



LAT...LON 4352 9830 4352 9799 4384 9797 4383 9830



$$

 JH

