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Flash Flood Warning
SDC099-260730-
/O.CON.KFSD.FF.W.0002.000000T0000Z-130526T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MINNEHAHA SD-
105 AM CDT SUN MAY 26 2013

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHERN MINNEHAHA
COUNTY UNTIL 230 AM CDT...

AT 100 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS WITH VERY
HEAVY RAINFALL ACROSS THE WARNED AREA. DOPPLER RADAR ESTIMATED
WIDESPREAD 3 TO 4 INCHES OF RAINFALL ACROSS WESTERN SIOUX FALLS
WITH ISOLATED AMOUNTS TO AROUND 5 INCHES. AMOUNTS WERE ESTIMATED
AT 1 TO 3 INCHES ACROSS EASTERN SIOUX FALLS.

SLOW MOVING THUNDERSTORMS ARE PRODUCING VERY HEAVY RAINFALL IN THE
WARNED AREA. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH
FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING
INCLUDE...SIOUX FALLS.

AT 100 AM CDT...THE PUBLIC AND BROADCAST MEDIA HAVE REPORTED THAT
FLASH FLOODING WAS OCCURRING IN VARIOUS LOCATIONS ACROSS WESTERN
SIOUX FALLS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE MINOR 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 FLOODING IS OBSERVED...ACT QUICKLY. DO NOT
ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND. DO NOT
STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

&&

LAT...LON 4362 9662 4350 9662 4350 9689 4351 9690
4362 9690

$$

Flash Flood Warning
IAC119-SDC083-099-261230-
/O.NEW.KFSD.FF.W.0003.130526T0626Z-130526T1230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
126 AM CDT SUN MAY 26 2013

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
NORTHERN LINCOLN COUNTY IN SOUTHEAST SOUTH DAKOTA
SOUTHERN MINNEHAHA COUNTY IN SOUTHEAST SOUTH DAKOTA
WESTERN LYON COUNTY IN NORTHWEST IOWA

* UNTIL 730 AM CDT

* AT 119 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. A
TRAINED SPOTTER REPORTS RAINFALL OF 4.69 INCHES SO FAR IN WESTERN
SIOUX FALLS. DOPPLER RADAR ESTIMATES WIDESPREAD 3 TO 5 INCHES OVER
THE WARNED AREA...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. ADDITIONAL
RAINFALL IS EXPECTED TO MOVE ACROSS THE AREA THROUGH THE EARLY
MORNING HOURS.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...SIOUX
FALLS...ALVORD...HARRISBURG...LARCHWOOD...LENNOX...LESTER...TEA AND
WORTHING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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. DO
NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS RISING.

FLOODING IS OCCURRING OR IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE
YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME
KILLERS IN HEAVY RAINS. CAMPERS AND HIKERS SHOULD AVOID STREAMS OR
CREEKS.

&&

LAT...LON 4362 9662 4350 9662 4350 9623 4329 9623
4334 9692 4362 9692

$$