Alert archive / Iowa / Flash Flood Warnings in 2007

Flash Flood Warning 30, NWS Sioux Falls, SD

August 4, 20074 states

NWS Sioux Falls, SD issued this flash flood warning at Aug 4, 2007, 5:04 AM CDT for 4 states. It was in force for 19 days. 23 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Aug 4, 2007, 5:04 AM CDT (10:04 UTC)
Expired
Aug 23, 2007, 9:00 AM CDT
In force
19 days
Issued by
NWS Sioux Falls, SD
Area
Whole counties

Counties Buena Vista County, IA, Cherokee County, IA, Dickinson County, IA, Ida County, IA, Osceola County, IA, Plymouth County, IA, Woodbury County, IA, Cottonwood County, MN, Jackson County, MN, Nobles County, MN, Dakota County, NE, Dixon County, NE, Bon Homme County, SD, Brule County, SD, Charles Mix County, SD, Yankton County, SD

The radar

The Sioux Falls radar (KFSD), 66 km from the middle of the area, began a volume at 10:06 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Aug 4, 6:00 AM CDTFLASH FLOODLe Mars, IASTREET FLOODING FROM HEAVY RAIN DURING THE PRE DAWN HOURS EARLY AUG 4TH IN LE MARS. 4 TO 4.5 INCHES OF RAINFALL IN THE CITY.
Aug 4, 7:01 AM CDTFLASH FLOODStorm Lake, IATOTAL RAINFALL OF 3.35 INCHES OF RAIN IN 4 HOURS NEAR HWY 110 AND 7. 1.84 INCHES OF RAIN IN 1 HOUR FROM 6 TO 7 AM.
Aug 4, 10:15 PM CDTFLASH FLOODStorm Lake, IAURBAN FLOODING OF STREETS REPORTED IN CITY OF STORM LAKE. SPECIFICALLY LAKE AVENUE BETWEEN 9TH AND 10TH STREET COVERED WITH WATER.
Aug 4, 10:25 PM CDTFLASH FLOODStorm Lake, IAURBAN FLOODING OF STREETS REPORTED IN CITY OF STORM LAKE. SPECIFICALLY LAKE AVENUE BETWEEN 9TH AND 10TH STREET COVERED WITH WATER.
Aug 6, 7:30 PM CDTFLASH FLOOD4 S Chamberlain, SDAT LEAST AN INCH OF STANDING WATER ON PATIO..GUTTERS OVERFLOWING...FRONT YARD IS A LAKE
Aug 18, 5:35 AM CDTHEAVY RAIN 5Round Lake, MN5 INCHES OF RAIN FELL OVERNIGHT. STANDING WATER IN YARD.
Aug 18, 8:16 AM CDTHEAVY RAIN 5.632 E Terril, IA
Aug 18, 8:36 AM CDTHEAVY RAIN 4.54Harris, IA
Aug 18, 8:36 AM CDTHEAVY RAIN 4.89Spirit Lake, IA
Aug 18, 2:09 PM CDTHEAVY RAIN 8.5Round Lake, MNADDITIONAL 3.50 INCHES SINCE THE 535 AM REPORT OF 5.00 INCHES BRINGS THE STORM TOTAL TO 8.50 INCHES.
Aug 20, 7:45 AM CDTFLASH FLOOD4 Sse Lakefield, MNCAR WASHED OFF ROAD SOUTH OF INTERSTATE 90 AND EAST OF HIGHWAY 86
Aug 20, 7:50 AM CDTHEAVY RAIN 3.38 S Jackson, MN3.30 INCHES OF RAIN SINCE 5 AM. 7.00 INCHES FOR A 3 DAY TOTAL.
Aug 20, 8:40 AM CDTFLASH FLOODBigelow, MNSTREET FLOODING IN BIGELOW
Aug 20, 8:45 AM CDTFLASH FLOOD10 Wsw Jackson, MNHIGHWAY 86 SOUTH OF I 90 HAD WATER OVER HIGHWAY. WATER RECEDED AS OF 9 AM.
Aug 20, 8:45 AM CDTFLASH FLOOD17 Wsw Jackson, MNCOUNTY ROADS 9 AND 34 UNDERWATER
Aug 20, 8:45 AM CDTFLASH FLOODOkabena, MNSTREET FLOODING IN OKABENA. ALSO WINDS GUSTING TO 45 MPH.
Aug 20, 8:45 AM CDTFLASH FLOODWorthington, MNFLASH FLOODING IN DOWNTOWN WORTHINGTON
Aug 20, 9:20 AM CDTFLASH FLOODSpirit Lake, IASTREET FLOODING...WATER OVER CURBS
Aug 21, 8:30 PM CDTFLASH FLOODMeriden, IA4.5 INCHES OF RAIN IS SHORT AMOUNT OF TIME...DITCHES FULL AROUND MERIDEN. ALSO STEET FLOODING AND SEWERS BACKING UP IN CHEROKEE.
Aug 22, 8:45 AM CDTFLASH FLOODSergeant Bluff, IASTREET FLOODING
Aug 22, 10:00 AM CDTFLOODHomer, NEWATER REPORTED OVER ROADWAYS IN HOMER...BOLCKING ACCESS TO SOME BUSINESSES
Aug 22, 10:15 AM CDTFLOOD1 W Homer, NEVERY HEAVY RAIN RUNNING DOWN THE ROADWAY
Aug 22, 11:25 AM CDTFLOODStorm Lake, IAWATER COVERING STREETS IN STORM LAKE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 10.1 hours before the alert went out and 193 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Omaha, NE at 00:00Z on 2007-08-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Omaha, NE at 00:00Z on 2007-08-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
3 J/kg
Mixed-layer CIN
-177 J/kg
Mixed-layer LCL
1822 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
60 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS53 KFSD 041005
FFWFSD
IAC021-035-149-041400-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
504 AM CDT SAT AUG 4 2007

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BUENA VISTA COUNTY IN NORTHWEST IOWA
  CHEROKEE COUNTY IN NORTHWEST IOWA
  PLYMOUTH COUNTY IN NORTHWEST IOWA

* UNTIL 900 AM CDT

* AT 501 AM CDT...THE PUBLIC REPORTED FLASH FLOODING NEAR HIGHWAY 3 
  AND HIGHWAY 75. THUNDERSTORM 6 MILES SOUTH OF CLEGHORN...OR ABOUT
  21 MILES EAST OF LE MARS...MOVING EAST AT 25 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  QUIMBY...CHEROKEE...LARRABEE...AURELIA...ALTA...LINN GROVE...STORM
  LAKE...TRUESDALE...LAKESIDE...SIOUX RAPIDS...NEWELL...MARATHON AND
  ALBERT CITY

ADDITIONAL RAINFALL AMOUNTS OF 2 TO 4 INCHES ARE POSSIBLE IN THE 
WARNED AREA...MAINLY ACROSS CHEROKEE AND BUENA VISTA COUNTIES

FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM...
EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER
GROUND.

LAT...LON 4290 9639 4257 9639 4258 9494 4291 9495

$$

08
36 follow-up statements
000 
WGUS73 KFSD 041250
FFSFSD

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
744 AM CDT SAT AUG 4 2007

IAC021-035-149-041400-
CHEROKEE IA-PLYMOUTH IA-BUENA VISTA IA-
744 AM CDT SAT AUG 4 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 900 AM CDT FOR BUENA
VISTA...PLYMOUTH AND CHEROKEE COUNTIES...

AT 744 AM CDT...THE SHOWERS AND THUNDERSTORMS PRODUCING THE HEAVY 
RAIN WERE MOVING OFF TO THE EAST AT ABOUT 30 MPH. THE RAIN HAS ENDED 
IN PLYMOUTH COUNTY. SPOTTY SHOWERS REMAIN IN CHEROKEE COUNTY WITH 
SOME LIGHT TO MODERATE RAIN STILL PREVALENT IN BUENA VISTA COUNTY. 
MOST OF THE ACCUMULATING RAIN IS OVER IN THIS AREA...WITH AMOUNTS 
NEAR A QUARTER OF AN INCH OR LESS EXPECTED THROUGH 830 AM. 

SOME URBAN FLOODING HAS BEEN REPORTED IN STORM LAKE IOWA EARLY THIS 
MORNING BY A TRAINED SPOTTER AT AROUND 7 AM. 

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. MOVE TO HIGHER GROUND.

LAT...LON 4290 9639 4257 9639 4258 9494 4291 9495

$$

 MJF
000 
WGUS73 KFSD 041357
FFSFSD

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
854 AM CDT SAT AUG 4 2007

IAC021-035-149-041404-
CHEROKEE IA-PLYMOUTH IA-BUENA VISTA IA-
854 AM CDT SAT AUG 4 2007

...THE FLASH FLOOD WARNING WILL EXPIRE AT 900 AM CDT FOR BUENA
VISTA...PLYMOUTH AND CHEROKEE COUNTIES...

SPOTTY SHOWERS REMAIN OVER CHEROKEE AND BUENA VISTA COUNTIES...BUT 
ADDITIONAL RAINFALL THIS MORNING WILL BE MINIMAL. BE ALERT FOR 
REMAINING WATER OVER ROADS IN LOW LYING AREAS AS IT WILL TAKE AWHILE 
FOR THE EXCESS WATER TO DRAIN OFF. THE NATIONAL WEATHER SERVICE WILL 
BE ALERT FOR REDEVELOPING RAIN THIS AFTERNOON ALONG A FRONTAL 
BOUNDARY IN THIS SAME AREA. SO STAY TUNED FOR ANY FURTURE STATEMENTS 
OR WARNINGS.

LAT...LON 4290 9639 4257 9639 4258 9494 4291 9495

$$

MJF
000 
WGUS53 KFSD 050316
FFWFSD
IAC021-050515-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1016 PM CDT SAT AUG 4 2007

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BUENA VISTA COUNTY IN NORTHWEST IOWA

* UNTIL 1215 AM CDT

* AT 1013 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA.

ADDITIONAL RAINFALL AMOUNTS OF ONE TO TWO INCHES ARE POSSIBLE IN THE 
WARNED AREA.

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.

LAT...LON 4258 9541 4257 9493 4286 9490 4284 9540

$$
BT
000 
WGUS53 KFSD 070019
FFWFSD
SDC015-070215-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
718 PM CDT MON AUG 6 2007

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BRULE COUNTY IN SOUTH CENTRAL SOUTH DAKOTA

* UNTIL 915 PM CDT

* AT 716 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  DEVELOPING FLASH FLOODING FROM A THUNDERSTORM MOVING SLOWLY
  SOUTHEAST OVER THE WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  CHAMBERLAIN AND KIMBALL

RAINFALL AMOUNTS OF 1 TO 3 INCHES ARE POSSIBLE IN THE WARNED AREA.

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. MOVE TO HIGHER GROUND.

LAT...LON 4392 9933 4351 9929 4352 9882 4392 9883

$$
RSR
000 
WGUS53 KFSD 150624
FFWFSD
SDC023-150915-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
121 AM CDT WED AUG 15 2007

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN CHARLES MIX COUNTY IN SOUTH CENTRAL SOUTH DAKOTA

* UNTIL 415 AM CDT

* AT 119 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM THUNDERSTORMS ALONG A LINE EXTENDING FROM 15   
  MILES NORTHEAST OF DANTE TO 23 MILES WEST OF PICKSTOWN. THE LINE 
  OF STORMS IS NEARLY STATIONARY.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LAKE 
  ANDES...MARTY AND WAGNER.

RADAR INDICATES THAT UP TO 2 INCHES OF RAIN HAS ALREADY FALLEN 
BETWEEN PICKSTOWN AND LAKE ANDES. ADDITIONAL RAINFALL AMOUNTS OF 2 
INCHES ARE POSSIBLE IN THE WARNED AREA PRODUCING RAPID RISES IN 
SMALL CREEKS AS WELL AS DITCHES.  BE AWARE THAT LOW LYING AREAS IN 
ROADWAYS MAY BECOME FLOODED. 

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.

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. MOVE TO HIGHER GROUND.

LAT...LON 4319 9885 4316 9884 4309 9866 4308 9856
      4294 9846 4289 9814 4318 9812 4325 9831

$$

SCHUMACHER
000 
WGUS73 KFSD 150641
FFSFSD

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
141 AM CDT WED AUG 15 2007

SDC023-150915-
CHARLES MIX SD-
141 AM CDT WED AUG 15 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 415 AM CDT FOR
SOUTHERN CHARLES MIX COUNTY...

AT 136 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE THUNDERSTORMS PRODUCING FLASH FLOODING. THESE STORMS 
EXTENDED IN A LING FROM NEAR PICKSTON TO 5 MILES SOUTH OF DELMONT.  
THIS LINE OF STORMS REMAINS NEARLY STATIONARY.

RAINFALL AMOUNTS OF 2 TO 3 INCHES HAVE BEEN INDICATIED WEST OF LAKE 
ANDES AND NORTH OF PICKSTOWN...IN THE VICINITY OF HIGHWAY 281 AND 
HIGHWAY 18.  ADDITIONAL RAINFALL AMOUNTS OF AROUND 2 INCHES ARE 
POSSIBLE IN THE WARNED AREA. THIS WILL RESULT IN RAPID RISES IN 
SMALL CREEKS NEAR LAKE ANDES...RAVINIA...AND PICKSTON. IN 
ADDITION...DITCHES COULD BE COME FULL RESULTING IN FLOODING OF ROADS 
IN LOW LYING AREAS.

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.

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. MOVE TO HIGHER GROUND.

LAT...LON 4319 9885 4316 9884 4309 9866 4308 9856
      4294 9846 4289 9814 4318 9812 4325 9831

$$

SCHUMACHER
000 
WGUS73 KFSD 150914
FFSFSD

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
413 AM CDT WED AUG 15 2007

SDC023-150923-
CHARLES MIX SD-
413 AM CDT WED AUG 15 2007

...THE FLASH FLOOD WARNING WILL EXPIRE AT 415 AM CDT FOR SOUTHERN
CHARLES MIX COUNTY...

THE THREAT FOR FLASH FLOODING HAS ENDED ACROSS SOUTHERN CHARLES MIX 
COUNTY. LIGHT RAIN IS EXPECTED TO CONTINUE THROUGH 5 AM BUT LESS 
THAN ONE QUARTER INCH OF RAIN IS ANTICIPATED. THEREFORE...THE 
WARNING HAS BEEN ALLOWED TO EXPIRE.

LAT...LON 4319 9885 4316 9884 4309 9866 4308 9856
      4294 9846 4289 9814 4318 9812 4325 9831

$$

SCHUMACHER
000 
WGUS53 KFSD 191927
FFWFSD
MNC033-192215-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
226 PM CDT SUN AUG 19 2007

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN COTTONWOOD COUNTY IN SOUTHWEST MINNESOTA

* UNTIL 515 PM CDT

* AT 216 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  FLASH FLOODING FROM HEAVY RAIN ASSOCIATED WITH PERSISTENT 
  THUNDERSTORMS MOVING ACROSS NORTHERN COTTONWOOD COUNTY.  THESE 
  STORMS EXTEND WESTERN MURRAY COUNTY INTO EASTERN COTTONWOOD 
  COUNTY. THIS AREA OF THUNDERSTORMS IS MOVING TO THE EAST AT 20 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO   
  STORDEN...JEFFERS...AND WESTBROOK. THIS WILL ALSO AFFECT AREAS   
  ALONG HIGHWAY 30.

RADAR ESTIMATES SHOW THAT 2 TO 3 INCHES OF RAIN HAS ALREADY OCCURRED 
TODAY AND AN ADDITIONAL 1 TO 2 INCHES OF RAIN IS EXPECTED THROUGH 4 
PM CDT. THIS RAINFALL ON TOP OF ALREADY SATURATED SOILS WILL CAUSE 
SIGNIFICANT RUNOFF. EXPECT FLOODING TO OCCUR IN LOW LYING AREAS. 
THIS MAY ALSO CAUSE LOCALIZED FLOODING ALONG HIGHWATER CREEK AS WELL 
TRIBUTARIES OF THE LITTLE COTTONWOOD AND WATAWON RIVERS.  

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

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. MOVE TO HIGHER GROUND.

LAT...LON 4419 9548 4395 9547 4398 9487 4411 9486
      4411 9512 4419 9512

$$

SCHUMACHER
000 
WGUS73 KFSD 192003
FFSFSD

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
303 PM CDT SUN AUG 19 2007

MNC033-192215-
COTTONWOOD MN-
303 PM CDT SUN AUG 19 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515 PM CDT FOR
NORTHERN COTTONWOOD COUNTY...

AT 258 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A LARGE AREA OF TTHUNDERSTORMS OVER NORTHERN COTTONWOOD 
COUNTY PRODUCING HEAVY RAIN AND FLASH FLOODING.  THEES STORM WAS 
LOCATED 15 MILES NORTHEAST OF JEFFERS..MOVING EAST AT 30 MPH.

ADDITIONAL RAINFALL AMOUNTS OF UP TO ONE INCH ARE POSSIBLE IN THE 
WARNED AREA. THIS IS IN ADDITION TO 3 TO 5 INCHES OF RAIN THAT HAS 
ALREADY FALLEN ACROSS THE AREA. AT 255 PM CDT...A TRAINED WEATHER 
SPOTTER 4 MILES EAST OF JEFFERS REPORTED 4.1 INCHES OF RAIN SINCE 7 
AM. THIS RAINFALL HAS SATURATED SOILS AND ANY ADDITIONAL RAINFALL 
WILL PRODUCE SIGNIFICANT RUN WITH FLOODING OF FIELDS AND DITCHES. 
THIS WILL MEAN ROADS IN LOW LYING AREAS MAY BE FLOODED. IN 
ADDITION...LOCALIZED FLOODING CAN BE EXPECTED ALONG TRIBUTARIES OF 
THE LITTLE COTTONWOOD RIVER AND WATOWAN RIVERS AS WELL AS HIGHWATER 
CREEK AND DRY CREEK.

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. MOVE TO HIGHER GROUND.

LAT...LON 4419 9548 4395 9547 4398 9487 4411 9486
      4411 9512 4419 9512

$$

SCHUMACHER
000 
WGUS73 KFSD 192057
FFSFSD

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
350 PM CDT SUN AUG 19 2007

MNC033-192215-
COTTONWOOD MN-
350 PM CDT SUN AUG 19 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515 PM CDT FOR
NORTHERN COTTONWOOD COUNTY...

AT 350 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE THUNDERSTORMS PRODUCING FLASH FLOODING.  THESE STORMS ARE 
LOCATED NEAR DELFT AND MOVING TO THE EAST AT 30 MPH. 

HEAVY RAINFALL IS EXPECTED TO END ACROSS COTTONWOOD COUNTY BY 415 PM 
CDT. HOWEVER...WITH 3 TO 6 INCHES OF RAIN HAVING FALLEN ALONG 
HIGHWAY 30 FROM JEFFERS TO THE WATOWAN COUNTY LINE SINCE THIS 
MORNING...FLASH FLOODING REMAINS A THREAT. CONTINUED RUNOFF WILL 
RESULT IN LOCALIZED FLOODING ALONG CREEKS AND STREAMS...ESPECIALLY 
TRIBUTARIES OF THE LITTLE COTTONWOOD AND WATOWAN RIVERS. IN 
ADDITION...RUNOFF FROM FIELDS INTO DITCHES MAY RESULT IN ROADS 
BECOMING SUBMERGED IN LOW LYING AREAS. 

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. MOVE TO HIGHER GROUND.

LAT...LON 4419 9548 4395 9547 4398 9487 4411 9486
      4411 9512 4419 9512

$$

SCHUMACHER
000 
WGUS73 KFSD 192213
FFSFSD

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
513 PM CDT SUN AUG 19 2007

MNC033-192223-
COTTONWOOD MN-
513 PM CDT SUN AUG 19 2007

...THE FLASH FLOOD WARNING WILL EXPIRE AT 515 PM CDT FOR NORTHERN
COTTONWOOD COUNTY...

THE STORMS HAVE MOVED EAST OF THE AREA AND THE THREAT OF FLASH 
FLOODING AND HEAVY RAIN HAVE ENDED.

LAT...LON 4419 9548 4395 9547 4398 9487 4411 9486
      4411 9512 4419 9512

$$

SCHUMACHER
000 
WGUS53 KFSD 200916
FFWFSD
MNC063-201045-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
415 AM CDT MON AUG 20 2007

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  JACKSON COUNTY IN SOUTHWEST MINNESOTA

* UNTIL 545 AM CDT

* AT 413 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED  
  HEAVY RAINS FROM THUNDERSTORMS MOVING EAST ACROSS JACKSON
  COUNTY. THE GROUND IS SATURATED FROM PREVIOUS STORMS...AND THESE
  STORMS WILL BE CAPABLE OF PRODUCING 1 TO 2 INCHES OF RAIN IN AN
  HOUR WHICH WOULD PRODUCE FLASH FLOODING.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  LAKEFIELD...JACKSON...HERON LAKE AND BERGEN

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

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. MOVE TO HIGHER GROUND.

LAT...LON 4351 9542 4349 9487 4383 9487 4383 9543

$$

CJ
000 
WGUS73 KFSD 201003
FFSFSD

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
501 AM CDT MON AUG 20 2007

MNC063-201045-
JACKSON MN-
501 AM CDT MON AUG 20 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 545 AM CDT FOR
JACKSON COUNTY...

AT 457 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE THUNDERSTORMS WITH LOCALLY HEAVY RAINS MOVING EAST ACROSS 
JACKSON COUNTY. DOPPLER RAINFALL ESTIMATES OF 1 TO 2 INCHES OF RAIN 
HAVE FALLEN SINCE 4 AM ACROSS SOUTHERN JACKSON COUNTY. ADDITIONAL 
RAINFALL AMOUNTS AROUND 1 INCH IS STILL POSSIBLE THROUGH 545 AM CDT.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

LAT...LON 4351 9542 4349 9487 4383 9487 4383 9543

$$

CJ
000 
WGUS53 KFSD 201033
FFWFSD
MNC063-201245-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
530 AM CDT MON AUG 20 2007

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  JACKSON COUNTY IN SOUTHWEST MINNESOTA

* UNTIL 745 AM CDT

* AT 526 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR
  ESTIMATES OF 1 TO 3 INCHES OF RAIN HAVE FALLEN OVER
  JACKSON COUNTY SINCE 4 AM. ADDITIONAL THUNDERSTORMS ARE MOVING
  INTO THE COUNTY FROM THE WEST AND WILL LIKELY PRODUCE ANOTHER INCH 
  OF RAIN THROUGH 7 AM.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  LAKEFIELD...HERON LAKE AND JACKSON

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

LAT...LON 4351 9542 4349 9487 4383 9487 4383 9543

$$

CJ
000 
WGUS73 KFSD 201137
FFSFSD

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
636 AM CDT MON AUG 20 2007

MNC063-201245-
JACKSON MN-
636 AM CDT MON AUG 20 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 AM CDT FOR
JACKSON COUNTY...

AT 636 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE SCATTERED THUNDERSTORMS WITH LOCALLY HEAVY RAINS MOVING 
EAST ACROSS JACKSON COUNTY.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

LAT...LON 4351 9542 4349 9487 4383 9487 4383 9543

$$

CJ
000 
WGUS53 KFSD 201226
FFWFSD
IAC059-201530-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
725 AM CDT MON AUG 20 2007

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  DICKINSON COUNTY IN NORTHWEST IOWA

* UNTIL 1030 AM CDT

* AT 723 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  THUNDERSTORMS WITH LOCALLY HEAVY RAINS OF 1 TO 2 INCHES PER HOUR
  DEVELOPING AND MOVING INTO DICKINSON COUNTY. THE GROUND IS ALREADY
  SATURATED FROM PREVIOUS RAINS...AND ADDITIONAL HEAVY RAINS WILL
  CAUSE FLASH FLOODING.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WAHPETON...
  SUPERIOR...SPIRIT LAKE...ORLEANS...OKOBOJI...LAKE PARK AND ARNOLDS
  PARK

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

LAT...LON 4326 9538 4325 9494 4349 9494 4349 9539

$$

CJ
000 
WGUS53 KFSD 201233
FFWFSD
IAC143-MNC105-201430-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
732 AM CDT MON AUG 20 2007

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  OSCEOLA COUNTY IN NORTHWEST IOWA
  NOBLES COUNTY IN SOUTHWEST MINNESOTA

* UNTIL 930 AM CDT

* AT 728 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A LINE OF THUNDERSTORMS WITH LOCALLY HEAVY RAINS MOVING INTO THE
  THE WARNED AREA. THE GROUND IS ALREADY SATURATED FROM PREVIOUS
  RAINS...AND ADDITIONAL RAINFALL OF 1 TO 2 INCHES CAN BE EXPECTED. 

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  WORTHINGTON...WILMONT...RUSHMORE...LISMORE...BREWSTER AND ADRIAN

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

LAT...LON 4351 9603 4348 9586 4326 9584 4326 9542
      4383 9547 4383 9606

$$

CJ
000 
WGUS53 KFSD 201245
FFWFSD
MNC063-201545-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
743 AM CDT MON AUG 20 2007

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  JACKSON COUNTY IN SOUTHWEST MINNESOTA

* UNTIL 1045 AM CDT

* AT 733 AM CDT...ANOTHER LINE OF THUNDERSTORMS WAS LOCATED OVER  
  ROCK COUNTY...MOVING EAST AT 35 MPH. THESE STORMS WILL AFFECT   
  JACKSON COUNTY BETWEEN 800 AM AND 1000 AM...AND WILL PRODUCE AN  
  ADDITIONAL 1 TO 2 INCHES OF RAINFALL IN AREAS THAT HAVE ALREADY 
  RECEIVED 1 TO 3 INCHES OVERNIGHT. RAINFALL RATES WILL BE EXCESSIVE 
  WITH RATES OF 2 TO 4 INCHES PER HOUR. THESE INTENSE RATES WILL 
  CAUSE RAPID RUNOFF.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

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. MOVE TO HIGHER GROUND.

LAT...LON 4351 9542 4349 9487 4383 9487 4383 9543

$$

MG
000 
WGUS73 KFSD 201344
FFSFSD

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
842 AM CDT MON AUG 20 2007

IAC143-MNC105-201430-
OSCEOLA IA-NOBLES MN-
842 AM CDT MON AUG 20 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 930 AM CDT FOR
NOBLES AND OSCEOLA COUNTIES...

AT 845 AM CDT...A LINE OF THUNDERSTORMS EXTENDED FROM FULDA TO 
WORTHINGTON TO ASHTON. THESE STORMS WILL PRODUCE UP TO ANOTHER ONE 
INCH OF RAIN THROUGH 1015 AM IN EASTERN NOBLES AND MOST OF OSCEOLA 
COUNTIES. RUNOFF FROM THESE HEAVY RAINS WILL RESULT IN FLOODING OF 
STREET AND FIELDS. 

AT 840 AM...STREET FLOODING WAS REPORTED IN BIGELOW ALONG THE NOBLES 
AND OSCEOLA COUNTY LINE.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

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. MOVE TO HIGHER GROUND.

LAT...LON 4351 9603 4348 9586 4326 9584 4326 9542
      4383 9548 4383 9606

$$

MG
000 
WGUS73 KFSD 201434
FFSFSD

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
931 AM CDT MON AUG 20 2007

IAC059-201530-
DICKINSON IA-
931 AM CDT MON AUG 20 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1030 AM CDT FOR
DICKINSON COUNTY...

AT 926 AM CDT...EMERGENCY MANAGEMENT OFFICIALS REPORTED FLASH 
FLOODING IN SPIRIT LAKE. SOME STREETS ARE FLOODED WITH THE WATER 
GOING OVER THE CURBS. THE LINE OF THUNDERSTORMS EXTENDED FROM 
NORTHEAST TO SOUTHWEST ACROSS DICKINSON COUNTY...AND IS MOVING EAST 
AT AROUND 35 MPH. ADDITIONAL RAINFALL OF AROUND ONE HALF INCH IS 
EXPECTED THROUGH 1000 AM...BUT RUNOFF AND FLOODING FROM THE PREVIOUS 
HEAVY RAINS WILL CONTINUE THROUGH 1030.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

LAT...LON 4326 9538 4325 9494 4349 9494 4349 9539

$$

MG
000 
WGUS73 KFSD 201437
FFSFSD

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
937 AM CDT MON AUG 20 2007

IAC143-MNC105-201447-
OSCEOLA IA-NOBLES MN-
937 AM CDT MON AUG 20 2007

...THE FLASH FLOOD WARNING HAS EXPIRED FOR NOBLES AND OSCEOLA
COUNTIES...

THE LINE OF THUNDERSTORMS THAT PRODUCED THE HEAVY RAINFALL AND FLASH 
FLOODING HAS MOVED EAST OF THE AREA. 

LAT...LON 4351 9603 4348 9586 4326 9584 4326 9542
      4383 9548 4383 9606

$$

MG
000 
WGUS73 KFSD 201526
FFSFSD

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1025 AM CDT MON AUG 20 2007

IAC059-201535-
DICKINSON IA-
1025 AM CDT MON AUG 20 2007

...THE FLASH FLOOD WARNING WILL EXPIRE AT 1030 AM CDT FOR DICKINSON
COUNTY...

SCATTERED LIGHT SHOWERS ARE STILL POSSIBLE THROUGH 1100 AM...BUT NO 
ADDITIONAL FLOODING IS EXPECTED.

LAT...LON 4326 9538 4325 9494 4349 9494 4349 9539

$$

MG
000 
WGUS53 KFSD 210125
FFWFSD
NEC043-051-210430-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
825 PM CDT MON AUG 20 2007

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  DAKOTA COUNTY IN NORTHEAST NEBRASKA
  SOUTHERN DIXON COUNTY IN NORTHEAST NEBRASKA

* UNTIL 1130 PM CDT

* AT 824 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  MARTINSBURG...JACKSON...HUBBARD...DIXON...DAKOTA CITY...CONCORD AND
  ALLEN

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 ARE LIKELY IN THE WARNED 
AREA.

FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM...
EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER
GROUND.

LAT...LON 4228 9672 4226 9673 4226 9701 4251 9701
      4251 9653 4248 9649 4249 9646 4245 9641
      4234 9642 4228 9635

$$

LIEBL
000 
WGUS53 KFSD 210322
FFWFSD
MNC105-210445-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1020 PM CDT MON AUG 20 2007

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EASTERN NOBLES COUNTY IN SOUTHWEST MINNESOTA

* UNTIL 1145 PM CDT

* AT 1017 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR 
  INDICATED   FLASH FLOODING FROM A THUNDERSTORM 5 MILES SOUTHWEST 
  OF WORTHINGTON...MOVING NORTHEAST AT 40 MPH. 

* OTHER LOCATIONS IN THE WARNING INCLUDE WORTHINGTON.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING WITHIN 
URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER 
DRAINAGE AREAS AND LOW LYING SPOTS.

THIS STORM PRODUCED TWO INCHES OF RAIN IN LESS THAN AN HOUR.  THIS 
RATE OF RAINFALL WILL PRODUCE URBAN FLOODING IN THE WORTHINGTON 
AREA. 

FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM...
EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER
GROUND.

LAT...LON 4355 9568 4356 9547 4373 9545 4377 9566

$$

SCHUMACHER
000 
WGUS73 KFSD 210322
FFSFSD

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1021 PM CDT MON AUG 20 2007

NEC043-051-210331-
DAKOTA NE-DIXON NE-
1021 PM CDT MON AUG 20 2007

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SOUTHERN DIXON AND
DAKOTA COUNTIES...

STORMS HAVE MOVE EAST OF THE AREA...THEREFORE FLASH FLOODING IN NO 
LONGER A THREAT. 

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM CDT
TUESDAY MORNING FOR NORTHWEST IOWA.

LAT...LON 4228 9672 4226 9673 4226 9701 4251 9701
      4251 9653 4248 9649 4249 9646 4245 9641
      4234 9642 4228 9635

$$

LIEBL
000 
WGUS53 KFSD 220123
FFWFSD
IAC021-035-220415-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
820 PM CDT TUE AUG 21 2007

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BUENA VISTA COUNTY IN NORTHWEST IOWA
  CHEROKEE COUNTY IN NORTHWEST IOWA

* UNTIL 1115 PM CDT

* AT 815 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM THUNDERSTORMS ALONG A LINE EXTENDING FROM
  MARATHON TO 8 MILES WEST OF QUIMBY...OR ALONG A LINE EXTENDING FROM
  19 MILES NORTHEAST OF STORM LAKE TO 21 MILES SOUTHEAST OF LE
  MARS...MOVING SOUTHEAST AT 10 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  AURELIA...TRUESDALE...ALBERT CITY...ALTA...STORM LAKE...LAKESIDE
  AND NEWELL

AT 815 PM CDT...SOME COUNTY ROADS WERE REPORTED UNDER WATER AROUND 
CHEROKEE. 2.50 INCHES OF RAIN WAS REPORTED 4 MILES NORTH OF CHEROKEE.

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

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

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. MOVE TO HIGHER GROUND.

LAT...LON 4292 9494 4291 9586 4258 9586 4258 9492

$$
RSR
000 
WGUS53 KFSD 220144
FFWFSD
IAC193-220445-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
842 PM CDT TUE AUG 21 2007

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WOODBURY COUNTY IN NORTHWEST IOWA

* UNTIL 1145 PM CDT

* AT 837 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A NEARLY STATIONARY LINE OF THUNDERSTORMS WITH FLOODING RAINS
  EXTENDING FROM ANTHON TO NEAR SALIX.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  SMITHLAND...SLOAN...HORNICK...DANBURY...CORRECTIONVILLE AND ANTHON

ADDITIONAL RAINFALL AMOUNTS OF 2 TO 4 INCHES ARE POSSIBLE IN THE 
WARNED AREA.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

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. MOVE TO HIGHER GROUND.

LAT...LON 4257 9590 4240 9640 4220 9626 4222 9569
      4242 9567

$$
RSR
000 
WGUS73 KFSD 220339
FFSFSD

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1039 PM CDT TUE AUG 21 2007

IAC193-220349-
WOODBURY IA-
1039 PM CDT TUE AUG 21 2007

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR WOODBURY COUNTY...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CDT WEDNESDAY MORNING
FOR NORTHWEST IOWA.

LAT...LON 4257 9590 4240 9640 4220 9626 4222 9569
      4242 9567

$$

LIEBL
000 
WGUS53 KFSD 221313
FFWFSD
IAC035-149-193-221715-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
812 AM CDT WED AUG 22 2007

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CHEROKEE COUNTY IN NORTHWEST IOWA
  SOUTHERN PLYMOUTH COUNTY IN NORTHWEST IOWA
  WOODBURY COUNTY IN NORTHWEST IOWA

* UNTIL 1215 PM CDT

* AT 810 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM A THUNDERSTORM NEAR MOVILLE...OR ABOUT 22 MILES
  EAST OF SIOUX CITY...MOVING EAST AT 20 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  ANTHON...PIERSON...CORRECTIONVILLE...DANBURY...CLEGHORN...QUIMBY...
  CHEROKEE...LARRABEE AND AURELIA

ADDITIONAL RAINFALL AMOUNTS OF ONE TO THREE INCHES ARE POSSIBLE IN 
THE WARNED AREA...ON TOP OF THE THREE TO FIVE INCHES THAT FELL IN 
SOME LOCATIONS LAST NIGHT.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

LAT...LON 4225 9626 4222 9567 4252 9575 4257 9587
      4258 9541 4291 9541 4264 9653

$$

08
000 
WGUS53 KFSD 221445
FFWFSD
NEC043-221745-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
943 AM CDT WED AUG 22 2007

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  DAKOTA COUNTY IN NORTHEAST NEBRASKA

* UNTIL 1245 PM CDT

* AT 938 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN FROM THUNDERSTORMS OVER THE WARNED AREA.

* THE STORMS PRODUCING VERY HEAVY RAIN COVERED AN AREA FROM
  WATERBURY THROUGH JACKSON TO SOUTH SIOUX CITY...AND SOUTHWARD TO  
  HUBBARD AND HOMER. THE STORMS WERE MOVING EAST AT AROUND 25 MPH. 
  RAINFALL RATES OF 2 TO 3 INCHES WITH TOTAL RAINFALL OF 1 TO 3 
  INCHES CAN BE EXPECTED THROUGH 1100 AM CDT.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

LAT...LON 4233 9669 4229 9638 4251 9648 4253 9669

$$

MG
000 
WGUS53 KFSD 221516
FFWFSD
IAC021-093-221815-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1016 AM CDT WED AUG 22 2007

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN BUENA VISTA COUNTY IN NORTHWEST IOWA
  NORTHERN IDA COUNTY IN NORTHWEST IOWA

* UNTIL 115 PM CDT

* AT 1008 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN FROM THUNDERSTORMS OVER THE WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  TRUESDALE...STORM LAKE...NEWELL...LAKESIDE...HOLSTEIN...GALVA...
  CUSHING...ALTA AND ALBERT CITY

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

LAT...LON 4256 9499 4257 9539 4248 9539 4247 9534
      4243 9534 4229 9565 4251 9569 4255 9559
      4256 9542 4264 9537 4281 9494 4281 9494
      4259 9492

$$

MG
000 
WGUS73 KFSD 221810
FFSFSD

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
110 PM CDT WED AUG 22 2007

IAC021-093-221820-
BUENA VISTA IA-IDA IA-
110 PM CDT WED AUG 22 2007

...THE FLASH FLOOD WARNING WILL EXPIRE AT 115 PM CDT FOR NORTHERN IDA
AND SOUTHERN BUENA VISTA COUNTIES...

THE HEAVIEST RAINS HAVE MOVED OUT OF THESE COUNTIES. ADDITIONAL 
RAINFALL FROM SCATTERED SHOWERS AND THUNDERSTORMS EARLY THIS 
AFTERNOON WILL BE AROUND ONE QUARTER TO ONE HALF INCH. RAINFALL 
RATES WILL BE MUCH LOWER THAN THE INTENSE RATES THAT PRODUCED FLASH 
FLOODING EARLIER THIS MORNING...WHICH WILL ALLOW MORE TIME FOR STORM 
SEWERS...CREEKS AND STREAMS TO KEEP UP WITH THE RUNOFF THAT WILL 
CONTINUE INTO THIS AFTERNOON.

LAT...LON 4256 9499 4257 9539 4248 9539 4247 9534
      4243 9534 4229 9565 4251 9569 4255 9559
      4256 9542 4264 9537 4281 9494 4281 9494
      4259 9492

$$

MG
000 
WGUS53 KFSD 230815
FFWFSD
SDC009-135-231400-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
307 AM CDT THU AUG 23 2007

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BON HOMME COUNTY IN SOUTHEAST SOUTH DAKOTA
  WESTERN YANKTON COUNTY IN SOUTHEAST SOUTH DAKOTA

* UNTIL 900 AM CDT

* AT 304 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
FLASH FLOODING FROM A COMPLEX OF THUNDERSTORMS OVER THE WARNED AREA.

NATIONAL WEATHER SERVICE DOPPLER RADAR HAS INDICATED HALF AN INCH TO 
ONE INCH OF RAINFALL HAS FALLEN OVER MUCH OF THE AREA IN THE PAST 
HOUR. ADDITIONAL RAINFALL AMOUNTS OF ONE TO THREE INCHES ARE LIKELY 
THE NEXT FEW HOURS. THIS COMBINED WITH SATURATED GROUNDS BECAUSE OF 
RECENT RAINFALL WILL LIKELY RESULT IN FLASH FLOODING.  

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.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR IS ALREADY 
OCCURRING. IF YOU ARE IN THE WARNED AREA...MOVE TO HIGHER GROUND 
IMMEDIATELY. IF YOU LIVE ALONG A STREAM OR A CREEK IN THE AFFECTED 
AREA...TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY.


LAT...LON 4283 9813 4276 9799 4287 9784 4285 9768
      4286 9738 4317 9738 4316 9810

$$
BT
000 
WGUS73 KFSD 231002
FFSFSD

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
457 AM CDT THU AUG 23 2007

SDC009-135-231400-
YANKTON SD-BON HOMME SD-
457 AM CDT THU AUG 23 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 900 AM CDT FOR BON
HOMME AND WESTERN YANKTON COUNTIES...

AT 453 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A THUNDERSTORM COMPLEX PRODUCING FLASH FLOODING OVER THE 
WARNED AREA.

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT ONE TO ONE AND 
A HALF INCHES OF RAIN HAS FALLEN OVER THE WARNED AREA OVER THE 
PAST FEW HOURS. ADDITIONAL RAINFALL AMOUNTS OF ONE TO ONE AND A HALF 
INCHES ARE POSSIBLE IN THE WARNED AREA. THE ALREADY SATURATED 
GROUNDS AND ADDITIONAL RAINFALL WILL LIKELY CREATE FLASH FLOODING.

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.

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.

LAT...LON 4283 9813 4276 9799 4287 9784 4285 9768
      4286 9738 4317 9738 4316 9810

$$
BT
000 
WGUS73 KFSD 231137
FFSFSD

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
630 AM CDT THU AUG 23 2007

SDC009-135-231140-
YANKTON SD-BON HOMME SD-
630 AM CDT THU AUG 23 2007

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR BON HOMME AND
WESTERN YANKTON COUNTIES...

RAIN HAD ENDED OR BECOME LIGHT BY 630 AM. RAINFALL ESTIMATED AT AN 
INCH TO ONE AND A HALF INCHES FELL DURING THE POST MIDNIGHT HOURS 
OVER BON HOMME AND WESTERN YANKTON COUNTIES WHERE RECENT HEAVY RAINS 
HAD LEFT THE GROUND SATURATED. SOME MINOR PONDING OF WATER WAS 
REPORTED ON ROADS IN THE SPRINGFIELD AREA...AND THERE MAY BE 
FLOODING PROBLEMS THAT HAVE NOT YET BEEN REPORTED. HOWEVER...WITH 
RAIN AT LEAST TEMPORARILY ENDED...THE THREAT OF NEW FLOODING HAS 
ALSO ENDED. 

A FLASH FLOOD WATCH REMAINS IN EFFECT AS THERE COULD BE MORE SHOWERS 
AND THUNDERSTORMS DEVELOP DURING THE DAY. 


LAT...LON 4283 9813 4276 9799 4287 9784 4285 9768
      4286 9738 4317 9738 4316 9810

$$
WILLIAMS
000 
WGUS53 KFSD 062355
FFWFSD
IAC193-070200-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
654 PM CDT THU SEP 6 2007

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WEST CENTRAL WOODBURY COUNTY IN NORTHWEST IOWA

* UNTIL 900 PM CDT

* AT 650 PM CDT...THE PUBLIC REPORTED WATER OVER THE CURBS ON FLOYD 
BOULEVARD FROM A THUNDERSTORM NEAR SIOUX CITY...MOVING NORTHEAST AT 
20 MPH.

* THE STORM PRODUCING FLASH FLOODING WILL OTHERWISE REMAIN MAINLY 
OVER SIOUX CITY...THEN SHIFT NORTHEAST. COMMON LOW LYING LOCATIONS 
ACROSS SIOUX CITY CAN EXPECT ADDITIONAL FLASH FLOOD ISSUES OVER THE 
NEXT COUPLE OF HOURS.

ADDITIONAL RAINFALL AMOUNTS OF A HALF AN INCH 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.

LAT...LON 4252 9647 4247 9639 4235 9640 4236 9628
      4245 9628 4251 9632

$$

08

The office that day

Everything else NWS Sioux Falls, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 3, 7:04 PM CDTSevere Thunderstorm WarningFSDAurora, Douglas30 min
Aug 3, 8:34 PM CDTFlash Flood WarningFSDAurora, Douglas3 hr
Aug 3, 9:36 PM CDTFlash Flood WarningFSDDouglas3 hr
Aug 3, 9:54 PM CDTSevere Thunderstorm WarningFSDCharles Mix, Douglas51 min
Aug 3, 10:16 PM CDTSevere Thunderstorm WarningFSDHutchinson29 min
Aug 4, 5:04 AM CDTFlash Flood WarningFSDBuena Vista, Cherokee4 hr

Nearby

Flash Flood Warnings in Iowa, 2007Flash Flood Warnings in South Dakota, 2007Flash Flood Warnings in Minnesota, 2007Every flash flood warning in 2007

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.