Alert archive / Iowa / River Flood Warnings in 2014

River Flood Warning 41, NWS Des Moines, IA

September 1, 2014Polk County, Iowa

NWS Des Moines, IA issued this river flood warning at Sep 1, 2014, 12:31 AM CDT for Polk County, Iowa. It took effect at Sep 1, 2014, 1:15 PM CDT. It was in force for 4 days.

The area

The outline as issued.

The facts

Issued
Sep 1, 2014, 12:31 AM CDT (05:31 UTC)
In effect from
Sep 1, 2014, 1:15 PM CDT
Expired
Sep 6, 2014, 1:00 AM CDT
In force
4 days
Issued by
NWS Des Moines, IA
Area
Storm-based polygon
Flood severity
Minor

County Polk County, IA

The radar

The Des Moines radar (KDMX), 19 km from the middle of the area, began a volume at 05:33 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.

The river

Written for the forecast point Raccoon River at Des Moines Fleur Dr (DEMI4). The gauge peaked at 14.27 ft at Sep 2, 2014, 4:00 AM CDT.

actionminormoderate5101509/0109/0209/0309/0409/0509/0609/07
Action stage
8 ft
Minor stage
12 ft
Moderate stage
16 ft
Major stage
25 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05484900, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

The text

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

766 
WGUS43 KDMX 010531
FLWDMX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
1231 AM CDT MON SEP 1 2014

...THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A FLOOD 
WARNING FOR ALL OR PORTIONS OF THE FOLLOWING RIVERS IN IOWA...
RACCOON RIVER...

  AFFECTING THE FOLLOWING COUNTIES IN IOWA...POLK
  
RIVER FORECASTS INCLUDE OBSERVED PRECIPITATION...AS WELL AS EXPECTED
PRECIPITATION OVER THE NEXT 24 HOURS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ENCOUNTER A FLOODED AREA...TURN AROUND AND FIND AN ALTERNATE 
ROUTE. TURN AROUND...DO NOT DROWN.

MORE INFORMATION...INCLUDING IMPACT STATEMENTS AND CREST HISTORIES 
IS AVAILABLE ON THE WEB AT...  WWW.WEATHER.GOV/DESMOINES. IN THE 
MENU ON THE LEFT HAND SIDE OF THE PAGE...CLICK ON THE RIVERS AND 
LAKES LINK IN THE HYDROLOGY SECTION.

&&

IAC153-020530-
/O.NEW.KDMX.FL.W.0041.140902T0534Z-140906T0600Z/
/DEMI4.1.ER.140902T0534Z.140903T1800Z.140905T0600Z.NO/
1231 AM CDT MON SEP 1 2014

...FLOOD WARNING IN EFFECT UNTIL EARLY FRIDAY MORNING...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A
* FLOOD WARNING FOR
  THE RACCOON RIVER AT DES MOINES FLEUR DR...OR FROM WALNUT CREEK...
  TO THE DES MOINES RIVER.
* UNTIL EARLY FRIDAY MORNING.
* AT 11:45 PM SUNDAY THE STAGE WAS 8.7 FEET...OR 3.3 FEET BELOW FLOOD
  STAGE.
* FLOOD STAGE IS 12.0 FEET.
* NO FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.
* FORECAST...RISE TO FLOOD STAGE AFTER MIDNIGHT TONIGHT. CONTINUE 
  RISING TO 13.9 FEET...OR 1.9 FEET ABOVE FLOOD STAGE...WEDNESDAY 
  AFTERNOON. GO BELOW FLOOD STAGE EARLY FRIDAY MORNING.
* IMPACT...AT  13.5 FEET...WATER AFFECTS THE LOW AREAS OF WATER WORKS
  PARK.

&&

LAT...LON 4157 9361 4156 9368 4158 9367 4159 9362
      4157 9361                       

$$
7 follow-up statements
471 
WGUS83 KDMX 010912
FLSDMX

FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
412 AM CDT MON SEP 1 2014

...THE FLOOD WARNING HAS BEEN EXTENDED FOR ALL OR PORTIONS OF THE 
FOLLOWING RIVERS IN IOWA...RACCOON RIVER...NORTH RIVER...

  AFFECTING THE FOLLOWING COUNTIES IN IOWA...MADISON...POLK...WARREN
  
RIVER FORECASTS INCLUDE OBSERVED PRECIPITATION...AS WELL AS EXPECTED
PRECIPITATION OVER THE NEXT 24 HOURS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ENCOUNTER A FLOODED AREA...TURN AROUND AND FIND AN ALTERNATE 
ROUTE. TURN AROUND...DO NOT DROWN.

MORE INFORMATION...INCLUDING IMPACT STATEMENTS AND CREST HISTORIES 
IS AVAILABLE ON THE WEB AT...  WWW.WEATHER.GOV/DESMOINES. IN THE 
MENU ON THE LEFT HAND SIDE OF THE PAGE...CLICK ON THE RIVERS AND 
LAKES LINK IN THE HYDROLOGY SECTION.

&&

IAC153-020912-
/O.EXT.KDMX.FL.W.0041.140901T1800Z-140906T0600Z/
/DEMI4.1.ER.140901T1800Z.140903T1200Z.140905T0600Z.NO/
412 AM CDT MON SEP 1 2014

...FLOOD WARNING NOW IN EFFECT UNTIL EARLY FRIDAY MORNING...

THE FLOOD WARNING CONTINUES FOR
  THE RACCOON RIVER AT DES MOINES FLEUR DR...OR FROM WALNUT CREEK...
  TO THE DES MOINES RIVER.
* UNTIL EARLY FRIDAY MORNING.
* AT  2:45 AM MONDAY THE STAGE WAS 9.9 FEET...OR 2.1 FEET BELOW FLOOD
  STAGE.
* FLOOD STAGE IS 12.0 FEET.
* NO FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.
* FORECAST...RISE TO FLOOD STAGE THIS AFTERNOON. CONTINUE RISING TO 
  14.0 FEET...OR 2.0 FEET ABOVE FLOOD STAGE...WEDNESDAY MORNING. GO 
  BELOW FLOOD STAGE EARLY FRIDAY MORNING.
* IMPACT...AT 13.5 FEET...WATER AFFECTS THE LOW AREAS OF WATER WORKS
  PARK.

&&

LAT...LON 4157 9361 4156 9368 4158 9367 4159 9362
      4157 9361                       

$$

IAC121-181-020912-
/O.EXT.KDMX.FL.W.0040.000000T0000Z-140904T0142Z/
/NRWI4.1.ER.140831T0119Z.140831T0630Z.140903T0142Z.NO/
412 AM CDT MON SEP 1 2014

...FLOOD WARNING NOW IN EFFECT UNTIL TUESDAY EVENING...

THE FLOOD WARNING CONTINUES FOR
  THE NORTH RIVER NEAR NORWALK...OR FROM THE MADISON-WARREN COUNTY 
  LINE...TO THE DES MOINES RIVER.
* UNTIL TUESDAY EVENING.
* AT  3:15 AM MONDAY THE STAGE WAS 21.9 FEET...OR 0.1 FEET BELOW 
  FLOOD STAGE.
* FLOOD STAGE IS 22.0 FEET.
* NO FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.
* FORECAST...RISE TO FLOOD STAGE EARLY THIS MORNING. CONTINUE RISING 
  TO 22.7 FEET...OR 0.7 FEET ABOVE FLOOD STAGE...THIS EVENING. GO 
  BELOW FLOOD STAGE TUESDAY EVENING.
* IMPACT...AT 22.0 FEET...SEVERAL RURAL GRAVEL ROADS ARE THREATENED.

&&

LAT...LON 4143 9379 4151 9361 4153 9346 4151 9344
      4138 9379 4143 9379             

$$
078 
WGUS83 KDMX 011454
FLSDMX

FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
953 AM CDT MON SEP 1 2014

...THE FLOOD WARNING HAS BEEN EXTENDED FOR ALL OR PORTIONS OF THE 
FOLLOWING RIVERS IN IOWA...RACCOON RIVER...

  AFFECTING THE FOLLOWING COUNTIES IN IOWA...POLK
  
RIVER FORECASTS INCLUDE OBSERVED PRECIPITATION...AS WELL AS EXPECTED
PRECIPITATION OVER THE NEXT 24 HOURS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ENCOUNTER A FLOODED AREA...TURN AROUND AND FIND AN ALTERNATE 
ROUTE. TURN AROUND...DO NOT DROWN.

MORE INFORMATION...INCLUDING IMPACT STATEMENTS AND CREST HISTORIES 
IS AVAILABLE ON THE WEB AT...  WWW.WEATHER.GOV/DESMOINES. IN THE 
MENU ON THE LEFT HAND SIDE OF THE PAGE...CLICK ON THE RIVERS AND 
LAKES LINK IN THE HYDROLOGY SECTION.

&&

IAC153-021453-
/O.EXT.KDMX.FL.W.0041.140901T1815Z-140905T1048Z/
/DEMI4.1.ER.140901T1815Z.140902T0600Z.140904T1048Z.NO/
953 AM CDT MON SEP 1 2014

...FLOOD WARNING NOW IN EFFECT UNTIL THURSDAY MORNING...

THE FLOOD WARNING CONTINUES FOR
  THE RACCOON RIVER AT DES MOINES FLEUR DR...OR FROM WALNUT CREEK...
  TO THE DES MOINES RIVER.
* UNTIL THURSDAY MORNING.
* AT  8:45 AM MONDAY THE STAGE WAS 10.5 FEET...OR 1.5 FEET BELOW 
  FLOOD STAGE.
* FLOOD STAGE IS 12.0 FEET.
* NO FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.
* FORECAST...RISE TO FLOOD STAGE THIS AFTERNOON. CONTINUE RISING TO 
  15.0 FEET...OR 3.0 FEET ABOVE FLOOD STAGE...AFTER MIDNIGHT 
  TONIGHT. GO BELOW FLOOD STAGE THURSDAY MORNING.
* IMPACT...AT  13.5 FEET...WATER AFFECTS THE LOW AREAS OF WATER WORKS
  PARK.

&&

LAT...LON 4157 9361 4156 9368 4158 9367 4159 9362
      4157 9361                       

$$
793 
WGUS83 KDMX 012116
FLSDMX

FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
416 PM CDT MON SEP 1 2014

...THE FLOOD WARNING CONTINUES FOR ALL OR PORTIONS OF THE FOLLOWING 
RIVERS IN IOWA...DES MOINES RIVER...RACCOON RIVER...

  AFFECTING THE FOLLOWING COUNTIES IN IOWA...POLK
  
RIVER FORECASTS INCLUDE OBSERVED PRECIPITATION...AS WELL AS EXPECTED
PRECIPITATION OVER THE NEXT 24 HOURS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ENCOUNTER A FLOODED AREA...TURN AROUND AND FIND AN ALTERNATE 
ROUTE. TURN AROUND...DO NOT DROWN.

MORE INFORMATION...INCLUDING IMPACT STATEMENTS AND CREST HISTORIES 
IS AVAILABLE ON THE WEB AT...  WWW.WEATHER.GOV/DESMOINES. IN THE 
MENU ON THE LEFT HAND SIDE OF THE PAGE...CLICK ON THE RIVERS AND 
LAKES LINK IN THE HYDROLOGY SECTION.

&&

IAC153-022116-
/O.CON.KDMX.FL.W.0042.140902T0000Z-140904T0959Z/
/DESI4.1.ER.140902T0000Z.140902T0600Z.140903T0959Z.NO/
416 PM CDT MON SEP 1 2014

...FLOOD WARNING REMAINS IN EFFECT UNTIL EARLY WEDNESDAY MORNING...

THE FLOOD WARNING CONTINUES FOR
  THE DES MOINES RIVER AT DES MOINES SE 6TH ST...OR FROM BELOW THE 
  CENTER STREET DAM...TO RUNNELLS.
* UNTIL EARLY WEDNESDAY MORNING.
* AT  3:00 PM MONDAY THE STAGE WAS 21.5 FEET...OR 2.5 FEET BELOW 
  FLOOD STAGE.
* FLOOD STAGE IS 24.0 FEET.
* NO FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.
* FORECAST...RISE TO FLOOD STAGE THIS EVENING. CONTINUE RISING TO 
  24.7 FEET...OR 0.7 FEET ABOVE FLOOD STAGE...AFTER MIDNIGHT 
  TONIGHT. GO BELOW FLOOD STAGE EARLY WEDNESDAY MORNING.
* IMPACT...AT  24.5 FEET...DEANS LAKE IS CLOSED.

&&

LAT...LON 4159 9356 4152 9333 4145 9333 4154 9356
      4159 9366 4159 9356             

$$

IAC153-022115-
/O.CON.KDMX.FL.W.0041.000000T0000Z-140905T1048Z/
/DEMI4.1.ER.140901T1644Z.140902T0600Z.140904T1048Z.NO/
416 PM CDT MON SEP 1 2014

...FLOOD WARNING REMAINS IN EFFECT UNTIL THURSDAY MORNING...

THE FLOOD WARNING CONTINUES FOR
  THE RACCOON RIVER AT DES MOINES FLEUR DR...OR FROM WALNUT CREEK...
  TO THE DES MOINES RIVER.
* UNTIL THURSDAY MORNING.
* AT  2:45 PM MONDAY THE STAGE WAS 12.9 FEET...OR 0.9 FEET ABOVE 
  FLOOD STAGE.
* FLOOD STAGE IS 12.0 FEET.
* MINOR FLOODING IS OCCURRING AND IS FORECAST TO CONTINUE.
* FORECAST...RISE TO 15.0 FEET...OR 3.0 FEET ABOVE FLOOD STAGE...
  AFTER MIDNIGHT TONIGHT. GO BELOW FLOOD STAGE THURSDAY MORNING.
* IMPACT...AT  13.5 FEET...WATER AFFECTS THE LOW AREAS OF WATER WORKS
  PARK.

&&

LAT...LON 4157 9361 4156 9368 4158 9367 4159 9362
      4157 9361                       

$$
287 
WGUS83 KDMX 020208
FLSDMX

FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
908 PM CDT MON SEP 1 2014

...THE FLOOD WARNING HAS BEEN EXTENDED FOR ALL OR PORTIONS OF THE 
FOLLOWING RIVERS IN IOWA...DES MOINES RIVER...RACCOON RIVER...

  AFFECTING THE FOLLOWING COUNTIES IN IOWA...POLK
  
RIVER FORECASTS INCLUDE OBSERVED PRECIPITATION...AS WELL AS EXPECTED
PRECIPITATION OVER THE NEXT 24 HOURS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ENCOUNTER A FLOODED AREA...TURN AROUND AND FIND AN ALTERNATE 
ROUTE. TURN AROUND...DO NOT DROWN.

MORE INFORMATION...INCLUDING IMPACT STATEMENTS AND CREST HISTORIES 
IS AVAILABLE ON THE WEB AT...WWW.WEATHER.GOV/DESMOINES. IN THE 
MENU ON THE LEFT HAND SIDE OF THE PAGE...CLICK ON THE RIVERS AND 
LAKES LINK IN THE HYDROLOGY SECTION.

&&

IAC153-030208-
/O.EXT.KDMX.FL.W.0042.000000T0000Z-140903T1930Z/
/DESI4.1.ER.140902T0900Z.140902T1200Z.140902T1930Z.NO/
908 PM CDT MON SEP 1 2014

...FLOOD WARNING NOW IN EFFECT UNTIL TUESDAY AFTERNOON...

THE FLOOD WARNING CONTINUES FOR
  THE DES MOINES RIVER AT DES MOINES SE 6TH ST...OR FROM BELOW THE 
  CENTER STREET DAM...TO RUNNELLS.
* UNTIL TUESDAY AFTERNOON.
* AT  8:00 PM MONDAY THE STAGE WAS 22.6 FEET...OR 1.4 FEET BELOW 
  FLOOD STAGE.
* FLOOD STAGE IS 24.0 FEET.
* NO FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.
* FORECAST...RISE TO FLOOD STAGE EARLY TUESDAY MORNING. CONTINUE 
  RISING TO 24.2 FEET...OR 0.2 FEET ABOVE FLOOD STAGE...TUESDAY 
  MORNING. GO BELOW FLOOD STAGE TUESDAY AFTERNOON.
* IMPACT...AT  24.0 FEET...THE BIKE TRAIL IS CLOSED EAST OF WATER 
  STREET.

&&

LAT...LON 4159 9356 4152 9333 4145 9333 4154 9356
      4159 9366 4159 9356             

$$

IAC153-030208-
/O.EXT.KDMX.FL.W.0041.000000T0000Z-140905T0651Z/
/DEMI4.1.ER.140901T1644Z.140902T1200Z.140904T0651Z.NO/
908 PM CDT MON SEP 1 2014

...FLOOD WARNING NOW IN EFFECT UNTIL EARLY THURSDAY MORNING...

THE FLOOD WARNING CONTINUES FOR
  THE RACCOON RIVER AT DES MOINES FLEUR DR...OR FROM WALNUT CREEK...
  TO THE DES MOINES RIVER.
* UNTIL EARLY THURSDAY MORNING.
* AT  7:45 PM MONDAY THE STAGE WAS 13.9 FEET...OR 1.9 FEET ABOVE 
  FLOOD STAGE.
* FLOOD STAGE IS 12.0 FEET.
* MINOR FLOODING IS OCCURRING AND IS FORECAST TO CONTINUE.
* FORECAST...RISE TO 14.6 FEET...OR 2.6 FEET ABOVE FLOOD STAGE...
  TUESDAY MORNING. GO BELOW FLOOD STAGE EARLY THURSDAY MORNING.
* IMPACT...AT  13.5 FEET...WATER AFFECTS THE LOW AREAS OF WATER WORKS
  PARK.

&&

LAT...LON 4157 9361 4156 9368 4158 9367 4159 9362
      4157 9361                       

$$
315 
WGUS83 KDMX 020928
FLSDMX

FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
428 AM CDT TUE SEP 2 2014

...THE FLOOD WARNING HAS BEEN EXTENDED FOR ALL OR PORTIONS OF THE 
FOLLOWING RIVERS IN IOWA...DES MOINES RIVER...

  AFFECTING THE FOLLOWING COUNTIES IN IOWA...POLK
  
...THE FLOOD WARNING CONTINUES FOR ALL OR PORTIONS OF THE FOLLOWING 
RIVERS IN IOWA...RACCOON RIVER...

  AFFECTING THE FOLLOWING COUNTIES IN IOWA...POLK
  
RIVER FORECASTS INCLUDE OBSERVED PRECIPITATION...AS WELL AS EXPECTED
PRECIPITATION OVER THE NEXT 24 HOURS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ENCOUNTER A FLOODED AREA...TURN AROUND AND FIND AN ALTERNATE 
ROUTE. TURN AROUND...DO NOT DROWN.

MORE INFORMATION...INCLUDING IMPACT STATEMENTS AND CREST HISTORIES 
IS AVAILABLE ON THE WEB AT...  WWW.WEATHER.GOV/DESMOINES. IN THE 
MENU ON THE LEFT HAND SIDE OF THE PAGE...CLICK ON THE RIVERS AND 
LAKES LINK IN THE HYDROLOGY SECTION.

&&

IAC153-030928-
/O.EXT.KDMX.FL.W.0042.000000T0000Z-140904T0512Z/
/DESI4.1.ER.140902T1600Z.140902T1800Z.140903T0512Z.NO/
428 AM CDT TUE SEP 2 2014

...FLOOD WARNING NOW IN EFFECT UNTIL AFTER MIDNIGHT TONIGHT...

THE FLOOD WARNING CONTINUES FOR
  THE DES MOINES RIVER AT DES MOINES SE 6TH ST...OR FROM BELOW THE 
  CENTER STREET DAM...TO RUNNELLS.
* UNTIL AFTER MIDNIGHT TONIGHT.
* AT 3:00 AM TUESDAY THE STAGE WAS 23.2 FEET...OR 0.8 FEET BELOW 
  FLOOD STAGE.
* FLOOD STAGE IS 24.0 FEET.
* NO FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.
* FORECAST...RISE TO FLOOD STAGE MIDDAY TODAY. CONTINUE RISING TO 
  24.1 FEET...OR 0.2 FEET ABOVE FLOOD STAGE...THIS AFTERNOON. GO 
  BELOW FLOOD STAGE AFTER MIDNIGHT TONIGHT.
* IMPACT...AT 24.0 FEET...THE BIKE TRAIL IS CLOSED EAST OF WATER 
  STREET.

&&

LAT...LON 4159 9356 4152 9333 4145 9333 4154 9356
      4159 9366 4159 9356             

$$

IAC153-030928-
/O.CON.KDMX.FL.W.0041.000000T0000Z-140905T0651Z/
/DEMI4.1.ER.140901T1644Z.140902T1200Z.140904T0651Z.NO/
428 AM CDT TUE SEP 2 2014

...FLOOD WARNING REMAINS IN EFFECT UNTIL EARLY THURSDAY MORNING...

THE FLOOD WARNING CONTINUES FOR
  THE RACCOON RIVER AT DES MOINES FLEUR DR...OR FROM WALNUT CREEK...
  TO THE DES MOINES RIVER.
* UNTIL EARLY THURSDAY MORNING.
* AT 2:45 AM TUESDAY THE STAGE WAS 14.2 FEET...OR 2.2 FEET ABOVE 
  FLOOD STAGE.
* FLOOD STAGE IS 12.0 FEET.
* MINOR FLOODING IS OCCURRING AND IS FORECAST TO CONTINUE.
* FORECAST...RISE TO 14.3 FEET...OR 2.3 FEET ABOVE FLOOD STAGE...THIS
  MORNING. GO BELOW FLOOD STAGE EARLY THURSDAY MORNING.
* IMPACT...AT  13.5 FEET...WATER AFFECTS THE LOW AREAS OF WATER WORKS
  PARK.

&&

LAT...LON 4157 9361 4156 9368 4158 9367 4159 9362
      4157 9361                       

$$
173 
WGUS83 KDMX 021509
FLSDMX

FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
1009 AM CDT TUE SEP 2 2014

...THE FLOOD WARNING HAS BEEN EXTENDED FOR ALL OR PORTIONS OF THE 
FOLLOWING RIVERS IN IOWA...RACCOON RIVER...

  AFFECTING THE FOLLOWING COUNTIES IN IOWA...POLK
  
RIVER FORECASTS INCLUDE OBSERVED PRECIPITATION...AS WELL AS EXPECTED
PRECIPITATION OVER THE NEXT 24 HOURS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ENCOUNTER A FLOODED AREA...TURN AROUND AND FIND AN ALTERNATE 
ROUTE. TURN AROUND...DO NOT DROWN.

MORE INFORMATION...INCLUDING IMPACT STATEMENTS AND CREST HISTORIES 
IS AVAILABLE ON THE WEB AT...  WWW.WEATHER.GOV/DESMOINES. IN THE 
MENU ON THE LEFT HAND SIDE OF THE PAGE...CLICK ON THE RIVERS AND 
LAKES LINK IN THE HYDROLOGY SECTION.

&&

IAC153-031509-
/O.EXT.KDMX.FL.W.0041.000000T0000Z-140903T2136Z/
/DEMI4.1.ER.140901T1644Z.140902T0900Z.140902T2136Z.NO/
1009 AM CDT TUE SEP 2 2014

...FLOOD WARNING NOW IN EFFECT UNTIL LATE THIS AFTERNOON...

THE FLOOD WARNING CONTINUES FOR
  THE RACCOON RIVER AT DES MOINES FLEUR DR...OR FROM WALNUT CREEK...
  TO THE DES MOINES RIVER.
* UNTIL LATE THIS AFTERNOON.
* AT  8:45 AM TUESDAY THE STAGE WAS 13.5 FEET...OR 1.5 FEET ABOVE 
  FLOOD STAGE.
* FLOOD STAGE IS 12.0 FEET.
* MINOR FLOODING IS OCCURRING AND IS FORECAST TO CONTINUE.
* FORECAST...GO BELOW FLOOD STAGE LATE THIS AFTERNOON.
* IMPACT...AT  13.5 FEET...WATER AFFECTS THE LOW AREAS OF WATER WORKS
  PARK.

&&

LAT...LON 4157 9361 4156 9368 4158 9367 4159 9362
      4157 9361                       

$$
729 
WGUS83 KDMX 030028
FLSDMX

FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
728 PM CDT TUE SEP 2 2014

...THE FLOOD WARNING HAS BEEN CANCELLED FOR ALL OR PORTIONS OF THE 
FOLLOWING RIVERS IN IOWA...RACCOON RIVER...

  AFFECTING THE FOLLOWING COUNTIES IN IOWA...POLK
  
RIVER FORECASTS INCLUDE OBSERVED PRECIPITATION...AS WELL AS EXPECTED
PRECIPITATION OVER THE NEXT 24 HOURS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ENCOUNTER A FLOODED AREA...TURN AROUND AND FIND AN ALTERNATE 
ROUTE. TURN AROUND...DO NOT DROWN.

MORE INFORMATION...INCLUDING IMPACT STATEMENTS AND CREST HISTORIES 
IS AVAILABLE ON THE WEB AT...  WWW.WEATHER.GOV/DESMOINES. IN THE 
MENU ON THE LEFT HAND SIDE OF THE PAGE...CLICK ON THE RIVERS AND 
LAKES LINK IN THE HYDROLOGY SECTION.

&&

IAC153-030058-
/O.CAN.KDMX.FL.W.0041.000000T0000Z-140903T2136Z/
/DEMI4.1.ER.140901T1644Z.140902T0900Z.140902T2021Z.NO/
728 PM CDT TUE SEP 2 2014

...FLOOD WARNING IS CANCELLED...

THE FLOOD WARNING IS CANCELLED FOR
  THE RACCOON RIVER AT DES MOINES FLEUR DR...OR FROM WALNUT CREEK...
  TO THE DES MOINES RIVER.
* AT  5:45 PM TUESDAY THE STAGE WAS 11.8 FEET...OR 0.2 FEET BELOW 
  FLOOD STAGE.
* FORECAST...FALL TO 10.9 FEET THURSDAY MORNING.
* IMPACT...AT   9.0 FEET...THE STORM VALVE IS CLOSED AT SOUTHWEST 
  28TH STREET AND GARDEN ROAD.

&&

LAT...LON 4157 9361 4156 9368 4158 9367 4159 9362
      4157 9361                       

$$

What forecasters said that day

The local office's own words before this river flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Des Moines, IA wrote its last area forecast discussion before this river flood warning went out at Aug 31, 7:10 PM CDT, 5 hours 21 minutes earlier.

Area forecast discussion, Aug 31, 7:10 PM CDT, 5 hours 21 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DES MOINES IA
710 PM CDT SUN AUG 31 2014

.SHORT TERM /TONIGHT/...
ISSUED AT 422 PM CDT SUN AUG 31 2014

SEVERE WEATHER AND HEAVY RAIN POTENTIAL ARE THE PRIMARY FORECAST
CONCERNS OVERNIGHT. WARM ADVECTION BASED ELEVATED SHOWERS AND
THUNDERSTORMS CURRENTLY ONGOING OVER WESTERN IOWA WITH THE MAIN
FOCUS OVER THE WEST CENTRAL PORTION OF THE STATE. THIS HAS RESULTED
IN AN EXPANSIVE CLOUD DECK OVER CENTRAL IOWA AND HAS LED TO SFC
BASED CAPPING THROUGH THE AREA. THE SFC INSTABILITY IS MUCH STRONGER
INTO SOUTHWEST NEBRASKA AND NORTHEAST KANSAS AND THIS SHOULD BE THE
AREA FOR SURFACE BASED DEVELOPMENT. STORMS MAY BE INITIALLY
SUPERCELLULAR OVER THAT REGION BUT SHOULD GRADUALLY TRANSITION TO A
MORE LINEAR THREAT AS THE SYSTEM ADVANCES INTO WESTERN AND CENTRAL
IOWA. STILL POTENTIAL FOR AN ISOLATED TORNADO THUS THE REASON FOR
THE INCLUSION OF A FEW WESTERN COUNTIES IN THE CURRENT TORNADO
WATCH. THE INSTABILITY AXIS WILL INCREASE ACROSS CENTRAL IOWA AS THE
LOW LEVEL JET INCREASES AND POOLING OF MOISTURE OCCURS AHEAD OF THE
COLD FRONT. A VIGOROUS UPPER LEVEL SHORT WAVE/PV ANOMALY WILL ARRIVE
THIS EVENING WILL HELP STORMS BECOME MORE WIDESPREAD OVERNIGHT.
STORMS INITIALLY SHOULD BE MOVING NEARLY PARALLEL TO THE INSTABILITY
WHICH WILL LEAD TO THE POTENTIAL FOR TRAINING STORMS. DEVELOPING
COLD POOLS AND THE THREAT FOR DAMAGING WIND GUSTS ARE EXPECTED THE
PRIMARY SEVERE WEATHER THREAT.

HEAVY RAINFALL IS ALSO ANOTHER ISSUE OVERNIGHT. CURRENT PWAT VALUES
ARE LESS THAN IMPRESSIVE AND GENERALLY UNDER 1.5 INCHES. HOWEVER
SHOULD HAVE POOLING OVERNIGHT AS ADDITIONAL MOISTURE ARRIVES AND
WILL PUSH VALUES TO NEAR 1.75 INCHES AND WILL HELP LEAD TO FAVORABLE
CONDITIONS FOR WARM RAIN PROCESSES. HAVE ISSUED A FLASH FLOOD WATCH
FOR THE SOUTHWEST QUARTER OF THE AREA WHERE THE LOWEST FLASH FLOOD
GUIDANCE VALUES EXIST IN ADDITION TO THE HIGHEST THREAT FOR HEAVY
RAINFALL. BEST POTENTIAL WILL BE BETWEEN 00-09Z WITH THE DES MOINES
METRO THREAT BETWEEN 03-07Z.

.LONG TERM /MONDAY THROUGH SUNDAY/...
ISSUED AT 405 PM CDT SUN AUG 31 2014

COLD FRONT TO MOVE THROUGH TONIGHT AND BE STRETCHED ACROSS THE FAR
SOUTHEASTERN CWA BY MONDAY MORNING. SOME LINGERING STORMS OR
ADDITIONAL DEVELOPMENT ALONG THE FRONT POSSIBLE THROUGH THE
MORNING/EARLY AFTERNOON HOURS AS SOUTHERLY FLOW AND THETA E
ADVECTION IN PLACE. SECONDARY PUSH OF COOLER AIR ALONG WITH ENERGY
ALOFT TO SLIDE THROUGH NORTHERN IOWA/SOUTHERN MINNESOTA. COULD SEE
SOME CHANCES FOR PRECIP WITH THIS ENERGY AS WELL...BUT MAJORITY OF
PRECIP EXPECTED TO REMAIN NORTH/EAST OF THE CWA. STILL SOME WEAK
INSTABILITY AROUND WITH COOLER AIR MOVING IN ALOFT...AND WEAK
BOUNDARY SO HAVE KEPT SOME SMALL POPS ACROSS THE NORTH/EAST FOR
MONDAY AFTERNOON. ADDITIONAL PRECIPITATION CHANCES EXPECTED ACROSS
NORTHERN IOWA FOR MONDAY NIGHT...AS ANOTHER WEAK WAVE MOVES THROUGH
ALOFT...WITH DRY CONDITIONS EXPECTED TUESDAY INTO EARLY TUESDAY
EVENING AS HIGH PRESSURE BUILDS INTO THE REGION BRIEFLY.

RETURN FLOW SETS UP TUESDAY NIGHT...WITH A WARM FRONT ALOFT LIFTING
NORTH NORTHEAST INTO THE CWA TUESDAY NIGHT. THIS FRONT IS ASSOCIATED
WITH A DEVELOPING AREA OF LOW PRESSURE ALONG THE WESTERN HIGH
PLAINS. MOISTURE TO INCREASE ACROSS THE STATE LATE TUESDAY NIGHT
INTO WEDNESDAY AS SOUTHERLY FLOW INCREASE OFF THE GULF. COULD SEE
SOME THUNDERSTORMS DEVELOP ALONG THE BOUNDARY LIFTING NORTH THROUGH
THE CWA LATE TUESDAY NIGHT INTO WEDNESDAY. DEWPOINTS PUSH INTO 70S
WEDNESDAY...WITH HUMID CONDITIONS RETURNING TO THE CWA. UPPER LEVEL
WAVE TO PUSH EASTWARD FROM THE ROCKIES THROUGH THE CENTRAL US LATE
IN THE WEEK. SFC LOW TO TRACK THROUGH THE GREAT LAKES REGION...WITH
TRAILING COLD FRONT EXPECTED TO DROP THROUGH THE CWA LATE THURSDAY
NIGHT INTO FRIDAY. THIS WILL BRING ADDITIONAL THUNDERSTORM CHANCES
TO THE STATE WITH HIGH PRESSURE AND MAINLY DRY CONDITIONS EXPECTED
INTO THE WEEKEND. EXTENDED RANGE TRYING TO BRING A WEAK SYSTEM
THROUGH LATE IN THE WEEKEND...BUT LOOKS LIKE MAIN TRACK OF THE
SYSTEM WILL BE JUST OFF TO THE NORTH AND EAST FOR NOW. AS FOR
TEMPERATURES...EXPECT WARMING TEMPS MONDAY THROUGH WEDNESDAY WITH
TEMPS NEAR OR ABOVE AVERAGE...WITH A COOL OFF TO SLIGHTLY BELOW
AVERAGE TEMPS FOR THE WEEKEND.

&&

.AVIATION...01/00Z
ISSUED AT 708 PM CDT SUN AUG 31 2014

PRIMARY CONCERN WILL OBVIOUSLY BE CONVECTIVE TRENDS AND
ASSOCIATED CATEGORY DEGRADATION. STORMS SHOULD BE QUITE ACTIVE
THIS EVENING WITH PLENTY OF LIGHTNING...GUSTY WINDS AND HAIL.
DETAILS ON HOW LOW INDIVIDUAL STORMS GO HAVE LITTLE PREDICTABILITY
SO STARTED WITH IFR BUT CERTAINLY COULD GO LOWER. EXPECT
THIS CONVECTION TO PERSIST THROUGH MUCH OF THE EVENING FOLLOWED
BY MORE TRANQUIL VFR CONDITIONS INTO MON MORNING.

&&

.HYDROLOGY...
ISSUED AT 1241 PM CDT SUN AUG 31 2014

CONCERNS FOR FLOODING CONTINUE VERY LATE THIS AFTERNOON AND
TONIGHT. CURRENT PROFILES REMAIN QUITE DRY BELOW 700 MB HOWEVER
MOISTURE ADVECTION LATE AFTERNOON AND INTO TONIGHT SHOULD HELP
PUSH PWAT VALUES TO NEAR 1.6 INCHES OVER A NARROW CORRIDOR BY THIS
EVENING. RECENT RAINFALL...ESPECIALLY SOUTHWEST INTO THE CENTRAL
COUNTIES...HAVE PRODUCED NEAR SATURATED GROUND ENOUGH TO LOWER
THE THREE HOUR FFG VALUES TO NEAR 1.5 TO 2.5 INCH RANGE AS A
RESULT OF HIGH RUNOFF RATES. A WIDESPREAD ONE TO TWO INCH
RAINFALL WITH SPOTTY THREE INCH AMOUNTS IS LIKELY OVERNIGHT.
GIVEN THE LOW FFG VALUES...LOCAL FLASH FLOODING IS A POSSIBILITY.
CONTINUE TO MONITOR THE NEED FOR HEADLINES OVERNIGHT.

&&

.DMX WATCHES/WARNINGS/ADVISORIES...
FLASH FLOOD WATCH THROUGH MONDAY MORNING FOR ADAIR-ADAMS-AUDUBON-
BOONE-CARROLL-CASS-CLARKE-CRAWFORD-DALLAS-DECATUR-GREENE-GUTHRIE-
MADISON-POLK-RINGGOLD-STORY-TAYLOR-UNION-WARREN.

&&

SHORT TERM...DONAVON
LONG TERM...BEERENDS
AVIATION...SMALL
HYDROLOGY...MS AUG 14/DONAVON
Hazardous weather outlook, Aug 31, 4:07 PM CDT, 8 hours 24 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DES MOINES IA
407 PM CDT SUN AUG 31 2014

IAZ044>048-057>059-070>073-081>083-092>094-011000-
CRAWFORD-CARROLL-GREENE-BOONE-STORY-AUDUBON-GUTHRIE-DALLAS-CASS-
ADAIR-MADISON-WARREN-ADAMS-UNION-CLARKE-TAYLOR-RINGGOLD-DECATUR-
407 PM CDT SUN AUG 31 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

A FLASH FLOOD WATCH IS IN EFFECT FOR THE AREA. PLEASE REFER TO
THE NATIONAL WEATHER SERVICE WEBSITE AT WEATHER.GOV/DESMOINES
FOR FURTHER DETAILS.

THUNDERSTORMS ARE EXPECTED THIS EVENING ACROSS THE AREA. THE
PRIMARY SEVERE THREATS ARE LARGE HAIL AND HIGH WINDS...WITH AN
ISOLATED TORNADO POSSIBLE. HEAVY RAINFALL IS POSSIBLE WITH SOME
STORMS PRODUCING RAINFALL TOTALS OF 1 TO 3 INCHES.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

THUNDERSTORMS WILL LINGER INTO MONDAY MORNING. ADDITIONAL ROUNDS
OF THUNDERSTORMS ARE EXPECTED LATE TUESDAY NIGHT THROUGH FRIDAY.
THE PROBABILITY OF SEVERE WEATHER IS LOW...WITH THE BEST CHANCE
FOR SEVERE THUNDERSTORMS THURSDAY INTO FRIDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS LIKELY THIS EVENING INTO TONIGHT.

IAZ060-011000-
POLK-
407 PM CDT SUN AUG 31 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

A FLASH FLOOD WATCH IS IN EFFECT FOR THE AREA. PLEASE REFER TO
THE NATIONAL WEATHER SERVICE WEBSITE AT WEATHER.GOV/DESMOINES FOR
FURTHER DETAILS.

THUNDERSTORMS ARE EXPECTED THIS EVENING ACROSS THE AREA. THE
PRIMARY SEVERE THREATS ARE LARGE HAIL AND HIGH WINDS...WITH AN
ISOLATED TORNADO POSSIBLE. HEAVY RAINFALL IS POSSIBLE WITH SOME
STORMS PRODUCING RAINFALL TOTALS OF 1 TO 3 INCHES.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

THUNDERSTORMS WILL LINGER INTO MONDAY MORNING. ADDITIONAL ROUNDS
OF THUNDERSTORMS ARE EXPECTED LATE TUESDAY NIGHT THROUGH FRIDAY.
THE PROBABILITY OF SEVERE WEATHER IS LOW...WITH THE BEST CHANCE
FOR SEVERE THUNDERSTORMS THURSDAY INTO FRIDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED THIS EVENING INTO TONIGHT.

IAZ004>007-015>017-023>028-033>039-049-050-061-062-074-075-
084>086-095>097-011000-
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN-
WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-MARSHALL-TAMA-JASPER-
POWESHIEK-MARION-MAHASKA-LUCAS-MONROE-WAPELLO-WAYNE-APPANOOSE-
DAVIS-
407 PM CDT SUN AUG 31 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

THUNDERSTORMS ARE EXPECTED THIS EVENING ACROSS THE AREA. THE
PRIMARY SEVERE THREATS ARE LARGE HAIL AND HIGH WINDS...WITH AN
ISOLATED TORNADO POSSIBLE. HEAVY RAINFALL IS POSSIBLE WITH SOME
STORMS PRODUCING RAINFALL TOTALS OF 1 TO 3 INCHES.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

THUNDERSTORMS WILL LINGER INTO MONDAY MORNING. ADDITIONAL ROUNDS
OF THUNDERSTORMS ARE EXPECTED LATE TUESDAY NIGHT THROUGH FRIDAY.
THE PROBABILITY OF SEVERE WEATHER IS LOW...WITH THE BEST CHANCE
FOR SEVERE THUNDERSTORMS THURSDAY INTO FRIDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED THIS EVENING INTO TONIGHT.

MJB

In the hours before

Local storm report, Aug 31, 10:52 PM CDT, 1 hour 39 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1052 PM CDT SUN AUG 31 2014

...TIME...  ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
...DATE...  ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1045 PM     HEAVY RAIN       MADRID                  41.88N 93.82W
08/31/2014  M2.35 INCH       BOONE              IA   PUBLIC

            2.35 INCHES OF RAIN... OVER 1 HOUR 45 MINUTE
            PERIOD ENDING 1045PM/0345UTC HEAVY RAIN
            DURATION 1 HOUR 45 MINUTES.

&&
Local storm report, Aug 31, 10:57 PM CDT, 1 hour 34 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE DES MOINES IA
1057 PM CDT SUN AUG 31 2014

...TIME...  ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
...DATE...  ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0815 PM     TSTM WND GST     BAYARD                  41.85N 94.56W
08/31/2014  E80 MPH          GUTHRIE            IA   LAW ENFORCEMENT

            PUBLIC REPORT RELAYED BY LAW ENFORCEMENT

0815 PM     TSTM WND GST     YALE                    41.78N 94.36W
08/31/2014  E80 MPH          GUTHRIE            IA   LAW ENFORCEMENT

            PUBLIC REPORT PASSED ALONG BY LAW
            ENFORCEMENT. POWER POLES AND LINES DOWN.

0925 PM     TSTM WND GST     3 S IOWA FALLS          42.47N 93.26W
08/31/2014  M66 MPH          HARDIN             IA   AWOS

            REPORTED AT IOWA FALLS MUNICIPAL AIRPORT

0920 PM     TSTM WND GST     5 E MINBURN             41.76N 93.93W
08/31/2014  M64 MPH          DALLAS             IA   PUBLIC

0715 PM     TSTM WND GST     DENISON                 42.02N 95.35W
08/31/2014  E63 MPH          CRAWFORD           IA   AWOS

            *** 1 INJ ***
            MEASURED AT DENISON AWOS. EM REPORTS
            MULTIPLE TREES DOWN AND INDIVIDUAL STRUCK BY
            LIGHTNING. MULTIPLE POWER OUTAGES.

0856 PM     TSTM WND GST     3 NNE DALLAS CENTER     41.72N 93.95W
08/31/2014  E60 MPH          DALLAS             IA   AMATEUR RADIO

            R16 AND 215TH STREET

0900 PM     TSTM WND GST     1 E ELLSWORTH           42.31N 93.56W
08/31/2014  E60 MPH          HAMILTON           IA   TRAINED SPOTTER

            CALLED IN VIA SPOTTER 60MPH GUSTS

0934 PM     TSTM WND GST     3 N STEAMBOAT ROCK      42.45N 93.07W
08/31/2014  E60 MPH          HARDIN             IA   MESONET

0936 PM     TSTM WND GST     STEAMBOAT ROCK          42.41N 93.07W
08/31/2014  E60 MPH          HARDIN             IA   MESONET

0812 PM     TSTM WND GST     AUDUBON                 41.72N 94.93W
08/31/2014  M58 MPH          AUDUBON            IA   MESONET

            SCHOOLNET SITE

0840 PM     TSTM WND GST     PERRY                   41.84N 94.10W
08/31/2014  M58 MPH          DALLAS             IA   ASOS

0656 PM     TSTM WND GST     DOW CITY                41.93N 95.49W
08/31/2014  E50 MPH          CRAWFORD           IA   PUBLIC

            WIND GUST OF 50 MPH ESTIMATED BY PUBLIC,
            RELAYED BY SHERIFF'S OFFICE

0910 PM     HEAVY RAIN       2 S DAWSON              41.81N 94.22W
08/31/2014  E3.00 INCH       DALLAS             IA   PUBLIC

            THREE INCHES OF RAIN FELL IN 50 MINUTES.
            HEAVY RAIN DURATION 50 MINUTES.

1045 PM     HEAVY RAIN       MADRID                  41.88N 93.82W
08/31/2014  M2.35 INCH       BOONE              IA   PUBLIC

            2.35 INCHES OF RAIN... OVER 1 HOUR 45 MINUTE
            PERIOD ENDING 1045PM/0345UTC HEAVY RAIN
            DURATION 1 HOUR 45 MINUTES.

1048 PM     HEAVY RAIN       MADRID                  41.88N 93.82W
08/31/2014  M2.35 INCH       BOONE              IA   PUBLIC

            RAINFALL SINCE 9 PM ... FELL IN 1 HOUR 45
            MINUTES.

1050 PM     HEAVY RAIN       2 NNW GRIMES            41.69N 93.80W
08/31/2014  M2.20 INCH       POLK               IA   TRAINED SPOTTER

            LITTLE BEAVER CREEK BANKFULL.

1014 PM     HEAVY RAIN       1 ENE SAYLORVILLE       41.69N 93.61W
08/31/2014  E1.95 INCH       POLK               IA   TRAINED SPOTTER

            JUST SHY OF TWO INCHES OF RAIN SO FAR.

1015 PM     HEAVY RAIN       3 S POLK CITY           41.74N 93.72W
08/31/2014  M1.82 INCH       POLK               IA   NWS EMPLOYEE

            REPORTED AT NATIONAL WEATHER SERVICE: 1.82"
            OF RAIN OVER ROUGHLY 90 MINUTES ENDING
            1015PM/0315UTC HEAVY RAIN DURATION 1 HOUR 30
            MINUTES.

0645 PM     HAIL             DOW CITY                41.93N 95.49W
08/31/2014  E1.00 INCH       CRAWFORD           IA   PUBLIC

            PUBLIC REPORT OF 1" HAIL RELAYED BY
            SHERIFF'S OFFICE

0600 PM     TSTM WND DMG     4 NNW ELLSWORTH         42.36N 93.61W
08/31/2014                   HAMILTON           IA   PUBLIC

            LARGE TREES AND POWER POLE SNAPPED TSTM WND
            DMG DURATION 5 MINUTES.

0740 PM     TSTM WND DMG     TEMPLETON               41.92N 94.94W
08/31/2014                   CARROLL            IA   TRAINED SPOTTER

            PLENTY OF TREE LIMBS DOWN...UP TO 2"
            DIAMETER. TIME ESTIMATED BY RADAR.

0806 PM     TSTM WND DMG     DENISON                 42.02N 95.35W
08/31/2014                   CRAWFORD           IA   PUBLIC

            10" DIAMETER TREES DOWN - "REPORT VIA SOCIAL
            MEDIA"

0815 PM     TSTM WND DMG     JEFFERSON               42.02N 94.38W
08/31/2014                   GREENE             IA   PUBLIC

            TREES DOWN IN JEFFERSON - "REPORT VIA SOCIAL
            MEDIA"

0838 PM     FUNNEL CLOUD     3 SW BOONE              42.02N 93.92W
08/31/2014                   BOONE              IA   TRAINED SPOTTER

            STILL PRESENT NOW...

0849 PM     TSTM WND DMG     1 SSW BAGLEY            41.83N 94.44W
08/31/2014                   GUTHRIE            IA   EMERGENCY MNGR

            TREE DOWN OVER ROAD. REPORTED AT 1247 QUAIL
            RD. TIME ESTIMATED FROM RADAR.

0850 PM     TSTM WND DMG     ADEL                    41.61N 94.03W
08/31/2014                   DALLAS             IA   EMERGENCY MNGR

            LARGE TREE DOWN ON POWER LINES ... TIME
            ESTIMATED FROM RADAR.

0858 PM     TSTM WND DMG     3 NNE DALLAS CENTER     41.73N 93.97W
08/31/2014                   DALLAS             IA   TRAINED SPOTTER

            POWER POLES SNAPPED IN HALF. TIME ESTIMATED
            FROM RADAR.

0925 PM     TSTM WND DMG     1 NNW WINDSOR HEIGHTS   41.62N 93.72W
08/31/2014                   POLK               IA   PUBLIC

            LIMBS OFF TREES. SIZE UNKNOWN. TIME
            ESTIMATED FROM RADAR.

1016 PM     FLASH FLOOD      6 W DALLAS CENTER       41.69N 94.09W
08/31/2014                   DALLAS             IA   EMERGENCY MNGR

            NUMEROUS LOCATIONS ON HIGHWAY 44 THROUGHOUT
            THE COUNTY HAVE WATER OVER THE ROAD, IN SOME
            PLACES 6-8 INCHES DEEP. HIGHWAY 169 NORTH OF
            MINBURN WAS HAVING ISSUES WITH WATER OVER
            THE ROAD.

1020 PM     FLASH FLOOD      4 W GRANGER             41.76N 93.91W
08/31/2014                   DALLAS             IA   TRAINED SPOTTER

            WATER SEVERAL FEET DEEP OVER HIGHWAY F31

1043 PM     FLASH FLOOD      2 ESE DES MOINES INT AIR41.52N 93.63W
08/31/2014                   POLK               IA   FIRE DEPT/RESCUE

            REPORTED AT SW 9TH AND LUSTER LANE. TWO
            STALLED CARS. WATER 6 INCHES DEEP WITH A
            CURRENT.

&&

NWS DES MOINES IA
IRIS SYSTEM
Local storm report, Aug 31, 11:04 PM CDT, 1 hour 27 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE DES MOINES IA
1104 PM CDT SUN AUG 31 2014

...TIME...  ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
...DATE...  ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1207 PM     TSTM WND GST     BERKLEY                 41.95N 94.11W
08/31/2014  E60 MPH          BOONE              IA   EMERGENCY MNGR

            REPORTED BY DALLAS COUNTY EM

0600 PM     TSTM WND DMG     4 NNW ELLSWORTH         42.36N 93.61W
08/31/2014                   HAMILTON           IA   PUBLIC

            LARGE TREES AND POWER POLE SNAPPED TSTM WND
            DMG DURATION 5 MINUTES.

0645 PM     HAIL             DOW CITY                41.93N 95.49W
08/31/2014  E1.00 INCH       CRAWFORD           IA   PUBLIC

            PUBLIC REPORT OF 1" HAIL RELAYED BY
            SHERIFF'S OFFICE

0656 PM     TSTM WND GST     DOW CITY                41.93N 95.49W
08/31/2014  E50 MPH          CRAWFORD           IA   PUBLIC

            WIND GUST OF 50 MPH ESTIMATED BY PUBLIC,
            RELAYED BY SHERIFF'S OFFICE

0715 PM     TSTM WND GST     DENISON                 42.02N 95.35W
08/31/2014  E63 MPH          CRAWFORD           IA   AWOS

            *** 1 INJ ***
            MEASURED AT DENISON AWOS. EM REPORTS
            MULTIPLE TREES DOWN AND INDIVIDUAL STRUCK BY
            LIGHTNING. MULTIPLE POWER OUTAGES.

0740 PM     TSTM WND DMG     TEMPLETON               41.92N 94.94W
08/31/2014                   CARROLL            IA   TRAINED SPOTTER

            PLENTY OF TREE LIMBS DOWN...UP TO 2"
            DIAMETER. TIME ESTIMATED BY RADAR.

0806 PM     TSTM WND DMG     DENISON                 42.02N 95.35W
08/31/2014                   CRAWFORD           IA   PUBLIC

            10" DIAMETER TREES DOWN - "REPORT VIA SOCIAL
            MEDIA"

0812 PM     TSTM WND GST     AUDUBON                 41.72N 94.93W
08/31/2014  M58 MPH          AUDUBON            IA   MESONET

            SCHOOLNET SITE

0815 PM     TSTM WND GST     BAYARD                  41.85N 94.56W
08/31/2014  E80 MPH          GUTHRIE            IA   LAW ENFORCEMENT

            PUBLIC REPORT RELAYED BY LAW ENFORCEMENT

0815 PM     TSTM WND GST     YALE                    41.78N 94.36W
08/31/2014  E80 MPH          GUTHRIE            IA   LAW ENFORCEMENT

            PUBLIC REPORT PASSED ALONG BY LAW
            ENFORCEMENT. POWER POLES AND LINES DOWN.

0815 PM     TSTM WND DMG     JEFFERSON               42.02N 94.38W
08/31/2014                   GREENE             IA   PUBLIC

            TREES DOWN IN JEFFERSON - "REPORT VIA SOCIAL
            MEDIA"

0838 PM     FUNNEL CLOUD     3 SW BOONE              42.02N 93.92W
08/31/2014                   BOONE              IA   TRAINED SPOTTER

            STILL PRESENT NOW...

0840 PM     TSTM WND GST     PERRY                   41.84N 94.10W
08/31/2014  M58 MPH          DALLAS             IA   ASOS

0849 PM     TSTM WND DMG     1 SSW BAGLEY            41.83N 94.44W
08/31/2014                   GUTHRIE            IA   EMERGENCY MNGR

            TREE DOWN OVER ROAD. REPORTED AT 1247 QUAIL
            RD. TIME ESTIMATED FROM RADAR.

0850 PM     TSTM WND DMG     ADEL                    41.61N 94.03W
08/31/2014                   DALLAS             IA   EMERGENCY MNGR

            LARGE TREE DOWN ON POWER LINES ... TIME
            ESTIMATED FROM RADAR.

0856 PM     TSTM WND GST     3 NNE DALLAS CENTER     41.72N 93.95W
08/31/2014  E60 MPH          DALLAS             IA   AMATEUR RADIO

            R16 AND 215TH STREET

0858 PM     TSTM WND DMG     3 NNE DALLAS CENTER     41.73N 93.97W
08/31/2014                   DALLAS             IA   TRAINED SPOTTER

            POWER POLES SNAPPED IN HALF. TIME ESTIMATED
            FROM RADAR.

0900 PM     TSTM WND GST     1 E ELLSWORTH           42.31N 93.56W
08/31/2014  E60 MPH          HAMILTON           IA   TRAINED SPOTTER

            CALLED IN VIA SPOTTER 60MPH GUSTS

0910 PM     HEAVY RAIN       2 S DAWSON              41.81N 94.22W
08/31/2014  E3.00 INCH       DALLAS             IA   PUBLIC

            THREE INCHES OF RAIN FELL IN 50 MINUTES.
            HEAVY RAIN DURATION 50 MINUTES.

0920 PM     TSTM WND GST     5 E MINBURN             41.76N 93.93W
08/31/2014  M64 MPH          DALLAS             IA   PUBLIC

0925 PM     TSTM WND GST     3 S IOWA FALLS          42.47N 93.26W
08/31/2014  M66 MPH          HARDIN             IA   AWOS

            REPORTED AT IOWA FALLS MUNICIPAL AIRPORT

0925 PM     TSTM WND DMG     1 NNW WINDSOR HEIGHTS   41.62N 93.72W
08/31/2014                   POLK               IA   PUBLIC

            LIMBS OFF TREES. SIZE UNKNOWN. TIME
            ESTIMATED FROM RADAR.

0934 PM     TSTM WND GST     3 N STEAMBOAT ROCK      42.45N 93.07W
08/31/2014  E60 MPH          HARDIN             IA   MESONET

0936 PM     TSTM WND GST     STEAMBOAT ROCK          42.41N 93.07W
08/31/2014  E60 MPH          HARDIN             IA   MESONET

0948 PM     HEAVY RAIN       1 N MINBURN             41.78N 94.03W
08/31/2014  U0.00 INCH       DALLAS             IA   EMERGENCY MNGR

            HEAVY RAIN ... RUNNING WATER OVER ROAD ON
            HIGHWAY 169. TRAFFIC BEING DIVERTED - DEPTH
            OF WATER AT LEAST SEVERAL INCHES DEEP.

1014 PM     HEAVY RAIN       1 ENE SAYLORVILLE       41.69N 93.61W
08/31/2014  E1.95 INCH       POLK               IA   TRAINED SPOTTER

            JUST SHY OF TWO INCHES OF RAIN SO FAR.

1015 PM     HEAVY RAIN       3 S POLK CITY           41.74N 93.72W
08/31/2014  M1.82 INCH       POLK               IA   NWS EMPLOYEE

            REPORTED AT NATIONAL WEATHER SERVICE: 1.82"
            OF RAIN OVER ROUGHLY 90 MINUTES ENDING
            1015PM/0315UTC HEAVY RAIN DURATION 1 HOUR 30
            MINUTES.

1016 PM     FLASH FLOOD      6 W DALLAS CENTER       41.69N 94.09W
08/31/2014                   DALLAS             IA   EMERGENCY MNGR

            NUMEROUS LOCATIONS ON HIGHWAY 44 THROUGHOUT
            THE COUNTY HAVE WATER OVER THE ROAD, IN SOME
            PLACES 6-8 INCHES DEEP. HIGHWAY 169 NORTH OF
            MINBURN WAS HAVING ISSUES WITH WATER OVER
            THE ROAD.

1020 PM     FLASH FLOOD      4 W GRANGER             41.76N 93.91W
08/31/2014                   DALLAS             IA   TRAINED SPOTTER

            WATER SEVERAL FEET DEEP OVER HIGHWAY F31

1043 PM     FLASH FLOOD      2 ESE DES MOINES INT AIR41.52N 93.63W
08/31/2014                   POLK               IA   FIRE DEPT/RESCUE

            REPORTED AT SW 9TH AND LUSTER LANE. TWO
            STALLED CARS. WATER 6 INCHES DEEP WITH A
            CURRENT.

1045 PM     HEAVY RAIN       MADRID                  41.88N 93.82W
08/31/2014  M2.35 INCH       BOONE              IA   PUBLIC

            2.35 INCHES OF RAIN... OVER 1 HOUR 45 MINUTE
            PERIOD ENDING 1045PM/0345UTC HEAVY RAIN
            DURATION 1 HOUR 45 MINUTES.

1048 PM     HEAVY RAIN       MADRID                  41.88N 93.82W
08/31/2014  M2.35 INCH       BOONE              IA   PUBLIC

            RAINFALL SINCE 9 PM ... FELL IN 1 HOUR 45
            MINUTES.

1050 PM     HEAVY RAIN       2 NNW GRIMES            41.69N 93.80W
08/31/2014  M2.20 INCH       POLK               IA   TRAINED SPOTTER

            LITTLE BEAVER CREEK BANKFULL.

&&

NWS DES MOINES IA
IRIS SYSTEM
Local storm report, Aug 31, 11:36 PM CDT, 55 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1136 PM CDT SUN AUG 31 2014

...TIME...  ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
...DATE...  ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1105 PM     TSTM WND GST     2 SSW KNOXVILLE         41.30N 93.11W
08/31/2014  M71 MPH          MARION             IA   AWOS

            REPORTED AT KNOXVILLE MUNICIPAL AIRPORT

&&

REPORTED AT KNOXVILLE MUNICIPAL AIRPORT
Local storm report, Aug 31, 11:47 PM CDT, 44 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1147 PM CDT SUN AUG 31 2014

...TIME...  ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
...DATE...  ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1048 PM     TSTM WND GST     2 SSW PRAIRIE CITY      41.57N 93.26W
08/31/2014  M59 MPH          JASPER             IA   MESONET

&&
Local storm report, Sep 1, 12:23 AM CDT, 8 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1223 AM CDT MON SEP 1 2014

...TIME...  ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
...DATE...  ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0830 PM     TSTM WND DMG     HARCOURT                42.26N 94.17W
08/31/2014                   WEBSTER            IA   PUBLIC

            GARAGE DESTROYED AND SEVERAL TREES DOWN IN
            TOWN. TIME ESTIMATED FROM RADAR. REPORT VIA
            SOCIAL MEDIA.

&&

The office that day

Everything else NWS Des Moines, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 31, 7:10 PM CDTSevere Thunderstorm WarningDMXCarroll, Crawford50 min
Aug 31, 7:29 PM CDTSevere Thunderstorm WarningDMXCalhoun, Pocahontas, Sac, Webster46 min
Aug 31, 7:33 PM CDTSevere Thunderstorm WarningDMXAudubon, Calhoun, Carroll, Greene, Guthrie42 min
Aug 31, 7:44 PM CDTSevere Thunderstorm WarningDMXHumboldt, Kossuth, Palo Alto, Pocahontas, Webster46 min
Aug 31, 7:55 PM CDTSevere Thunderstorm WarningDMXHancock, Kossuth, Winnebago65 min
Aug 31, 8:02 PM CDTSpecial Weather StatementDMXBoone, Dallas, Polk, Story88 min
Aug 31, 8:02 PM CDTSevere Thunderstorm WarningDMXAudubon, Boone, Carroll, Dallas, Greene, Guthrie58 min
Aug 31, 8:06 PM CDTSevere Thunderstorm WarningDMXBoone, Calhoun, Carroll, Greene, Hamilton, Webster54 min
Aug 31, 8:08 PM CDTSevere Thunderstorm WarningDMXHancock, Humboldt, Kossuth, Webster, Wright52 min
Aug 31, 8:27 PM CDTTornado WarningDMXCalhoun, Hamilton, Webster33 min
Aug 31, 8:46 PM CDTSevere Thunderstorm WarningDMXBoone, Dallas, Polk, Story59 min
Aug 31, 8:48 PM CDTSevere Thunderstorm WarningDMXBoone, Story57 min
Aug 31, 9:12 PM CDTSevere Thunderstorm WarningDMXBlack Hawk, Bremer, Butler, Franklin, Grundy, Hardin and 1 more48 min
Aug 31, 9:30 PM CDTSevere Thunderstorm WarningDMXMarshall, Tama60 min
Aug 31, 9:46 PM CDTSevere Thunderstorm WarningDMXDallas, Polk44 min
Aug 31, 9:55 PM CDTSevere Thunderstorm WarningDMXBlack Hawk, Bremer, Butler, Grundy, Tama50 min
Aug 31, 10:09 PM CDTSevere Thunderstorm WarningDMXJasper, Mahaska, Marion, Warren51 min
Aug 31, 10:10 PM CDTFlash Flood WarningDMXDallas, Polk6 hr
Aug 31, 10:54 PM CDTFlash Flood WarningDMXClarke, Lucas, Madison, Marion, Warren6 hr
Aug 31, 11:49 PM CDTSevere Thunderstorm WarningDMXMahaska, Monroe, Wapello41 min
Sep 1, 11:11 AM CDTRiver Flood WarningDMXPolk66 hr

Nearby

River Flood Warnings in Iowa, 2014Every river flood warning in 2014

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.