Alert archive / Iowa / River Flood Warnings in 2007

River Flood Warning 4, NWS Des Moines, IA

August 20, 2007Black Hawk County, Butler County, Iowa

NWS Des Moines, IA issued this river flood warning at Aug 20, 2007, 4:57 AM CDT for Black Hawk County, Butler County, Iowa. It took effect at Aug 21, 2007, 4:46 AM CDT. It was in force for .

The area

The counties it named.

The facts

Issued: Aug 20, 2007, 4:57 AM CDT (09:57 UTC)
In effect from: Aug 21, 2007, 4:46 AM CDT
Expired: Aug 20, 2007, 9:13 PM CDT
In force
Issued by: NWS Des Moines, IA
Flood severity: Minor

Counties Black Hawk County, IA, Butler County, IA

The radar

The Des Moines radar (KDMX), 137 km from the middle of the area, began a volume at 09:58 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 Beaver Creek at New Hartford (NHRI4).

Action stage: 11 ft
Minor stage: 12.5 ft
Moderate stage: 14 ft
Major stage: 15 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05463000, 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.

000 
WGUS43 KDMX 200957
FLWDMX
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
457 AM CDT MON AUG 20 2007

...A FLOOD WARNING HAS BEEN ISSUED FOR THE BEAVER CREEK...

.EXCESSIVE RUNOFF FROM HEAVY RAINS SUNDAY NIGHT INTO EARLY MONDAY MORNING...ALONG
WITH ADDITIONAL MODERATE TO HEAVY RAINFALL FORECAST TO OCCUR OVER NORTHEAST 
IOWA THROUGH MID WEEK...WILL CAUSE RISES IN RIVERS AND CREEKS WITHIN THE CEDAR
RIVER BASIN OVER THE NEXT COUPLE OF DAYS. 

IAC013-023-210957-
/O.NEW.KDMX.FL.W.0004.070821T0100Z-070823T1030Z/
/NHRI4.1.ER.070821T0100Z.070821T1200Z.070822T1030Z.NO/
457 AM CDT MON AUG 20 2007

THE NATIONAL WEATHER SERVICE IN DES MOINES, IA HAS ISSUED A 

* FLOOD WARNING FOR 
  THE BEAVER CREEK AT NEW HARTFORD.
* UNTIL FURTHER NOTICE...OR THE WARNING IS CANCELLED.
* AT 4:00 AM MONDAY THE STAGE WAS 8.1 FEET. 
* MINOR FLOODING IS FORECAST. 
* FLOOD STAGE IS 10.0 FEET. 
* FORECAST...THE CREEK IS EXPECTED TO RISE ABOVE FLOOD STAGE BY THIS EVENING
  AND CONTINUE TO RISE TO NEAR 11.0 FEET BY TUESDAY MORNING. THE CREEK IS 
  FORECAST TO FALL BELOW FLOOD STAGE BY WEDNESDAY MORNING. HOWEVER...WITH 
  ADDITIONAL RAINFALL ANTICIPATED OVER THE NEXT COUPLE OF DAYS...THIS MAY
  PROLONG THE CREEK TO FALL BELOW FLOOD STAGE UNTIL LATER IN THE WEEK. 

$$

3 follow-up statements

000 
WGUS83 KDMX 201551
FLSDMX
FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
1051 AM CDT MON AUG 20 2007

...A FLOOD WARNING CONTINUES FOR THE BEAVER CREEK...

IAC013-023-211551-
/O.EXT.KDMX.FL.W.0004.070821T0946Z-070822T2037Z/
/NHRI4.1.ER.070821T0946Z.070821T1200Z.070821T2037Z.NO/
1051 AM CDT MON AUG 20 2007

THE FLOOD WARNING CONTINUES FOR
  THE BEAVER CREEK AT NEW HARTFORD.
* UNTIL FURTHER NOTICE...OR THE WARNING IS CANCELLED.
* AT 10:00 AM MONDAY THE STAGE WAS 8.4 FEET. 
* MINOR FLOODING IS FORECAST.
* FLOOD STAGE IS 10.0 FEET. THE RIVER IS FORECAST TO RISE NEAR 10.3 
  FEET BY EARLY TUESDAY MORNING...AND FALL BELOW FLOOD STAGE BY
  AROUND MIDNIGHT TUESDAY EVENING. 

$$

000 
WGUS83 KDMX 202136
FLSDMX
FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
436 PM CDT MON AUG 20 2007

...A FLOOD WARNING CONTINUES FOR THE BEAVER CREEK...

IAC013-023-212136-
/O.CON.KDMX.FL.W.0004.070821T0946Z-070822T2037Z/
/NHRI4.1.ER.070821T0946Z.070821T1200Z.070821T2037Z.NO/
436 PM CDT MON AUG 20 2007

THE FLOOD WARNING CONTINUES FOR
  THE BEAVER CREEK AT NEW HARTFORD.
* UNTIL FURTHER NOTICE...OR THE WARNING IS CANCELLED.
* AT 4:00 PM MONDAY THE STAGE WAS 8.8 FEET. 
* MINOR FLOODING IS FORECAST.
* FLOOD STAGE IS 10.0 FEET. 
* FOREACST TO RISE ABOVE FLOOD STAGE AND 
  CREST AT 10.3 FEET EARLY TUESDAY MORNING.   
* FORECAST TO FALL BELOW FLOOD STAGE TUESDAY AFTERNOON
  AND REMAIN NEAR BANKFULL THOUGH AT LEAST WEDNESDAY.  

$$

RUSSELL

000 
WGUS83 KDMX 210213
FLSDMX
FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
913 PM CDT MON AUG 20 2007

...THE FLOOD WARNING FOR THE BEAVER CREEK HAS BEEN CANCELLED...

IAC013-023-210243-
/O.CAN.KDMX.FL.W.0004.000000T0000Z-070822T2037Z/
/NHRI4.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
913 PM CDT MON AUG 20 2007

THE FLOOD WARNING HAS BEEN CANCELLED FOR THE BEAVER CREEK AT NEW 
HARTFORD.
* AT 9 PM MONDAY THE STAGE WAS 9.1 FEET.
* FLOOD STAGE IS 10.0 FEET.
* THE RIVER IS CRESING NOW AND WILL BEGIN TO FALL LATE TONIGHT. 

$$

71

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 20, 3:05 AM CDT, 1 hour 52 minutes earlier.

Area forecast discussion, Aug 20, 3:05 AM CDT, 1 hour 52 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DES MOINES IA
305 AM CDT MON AUG 20 2007

.DISCUSSION...
FORECAST VERY DIFFICULT WITH MODELS ALL OVER THE PLACE WITH TIMING
AND LOCATIONS. HAVE LOOKED AT CURRENT SETUP WITH FRONTAL BOUNDARY
SNAKED ACROSS THE STATE AND REMAINS UNTIL NEXT FRONT MAKES ITS WAY
INTO THE STATE LATE TONIGHT AND AGAIN LATE TUESDAY NIGHT INTO
WEDNESDAY. THOUGH CONFIDENCE LOW HAVE ISSUED FFA FOR MUCH OF THE
STATE SINCE TONIGHT AMOUNTS 3 TO 7 OR MORE SET STAGE FOR ANY LATER
RAINS WILL AGAIN CAUSE FLASH FLOODING.  DEWPOINTS REMAIN HIGH AND
GREAT THETA ADVECTION OVER NEXT THREE DAYS WITH DECENT LIFT OVER
LARGE PORTION OF THE STATE CAUSE FOR HIGH POPS AND WATCH.  NOT
REALLY LOOK AT MUCH OF THE FORECAST BEYOND FRIDAY MORING WITH SECOND
SHOT OF RAIN THAT COULD PROMPT ANOTHE FFA BUT NOT ATTM WITH
UNCERTAINTY TOO MUCH THAT FAR OUT.  TEMPERATURES SOMEWHAT DIFFICULT
WITH RAIN AND CLOUD COVER THOUGH TUESDAY LOOKS WARMEST WITH GENERAL
LACK OF RAIN AND MINIMUM CLOUD COVER.  THOUGH OUTLOOKED FOR SEVERE
IS SLIGHT MAY HAVE ISOLATED EVENTS HOWEVER PIRMARY THREAT WILL BE
THE RAIN AND FLOODING PROBLEMS.

.AVIATION...20/06Z

STATIONARY BOUNDARY MEANDERS THROUGH THE STATE.  STORMS WITH HEAVY
RAINFALL LEAVING VERY MOIST AIRMASS WITH FOG LIKELY.  FREQUENT IFR
CONDITIONS NORTHERN HALF OF IOWA THROUGH MORNING.  MVFR CLOUDS
AROUND 3000 FEET TODAY.

&&

.DMX WATCHES/WARNINGS/ADVISORIES...FLASH FLOOD WATCH 7 PM MONDAY
THROUGH NOON WEDNESDAY
IAZ004>007-IA015>017-IA023>028-IA033>039-IA044>050-IA057>060-
IA070>073-IA081>083-IA092>094-

&&

LONG TERM...FORSTER/12/8/0

Hazardous weather outlook, Aug 19, 11:15 PM CDT, 5 hours 42 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DES MOINES IA
1115 PM CDT SUN AUG 19 2007

IAZ004>007-015>017-023>028-035>039-047>050-201100-
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-WEBSTER-
HAMILTON-HARDIN-GRUNDY-BLACK HAWK-BOONE-STORY-MARSHALL-TAMA-
1115 PM CDT SUN AUG 19 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...TONIGHT

THUNDERSTORMS WILL BE NUMEROUS THROUGH THE OVERNIGHT HOURS. THESE
STORMS WILL CONTAIN HEAVY RAINFALL WITH THE POTENTIAL TO PRODUCE 1
TO 2 INCHES WITH ISOLATED AMOUNTS OF 3 TO 5 INCHES.

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

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

THERE IS A CHANCE FOR THUNDERSTORMS EACH DAY FROM MONDAY THROUGH
SATURDAY...SEVERE WEATHER AND LOCALLY HEAVY RAINFALL ARE POSSIBLE.
TIMING AND SPECIFIC THREAT WILL BE DEFINED IN LATER FORECASTS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER REPORTS OF HEAVY RAINFALL WOULD BE HELPFUL.

IAZ033-034-044>046-057>062-070>075-081>086-092>097-201100-
SAC-CALHOUN-CRAWFORD-CARROLL-GREENE-AUDUBON-GUTHRIE-DALLAS-POLK-
JASPER-POWESHIEK-CASS-ADAIR-MADISON-WARREN-MARION-MAHASKA-ADAMS-
UNION-CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR-WAYNE-
APPANOOSE-DAVIS-
1115 PM CDT SUN AUG 19 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...TONIGHT

MAINLY NON SEVERE THUNDERSTORMS WILL BECOME MORE NUMEROUS THROUGH
THE EVENING HOURS. SOME OF THE STORMS MAY PRODUCE HEAVY RAINFALL
RANGING FROM ONE TO THREE INCHES.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

THERE IS A CHANCE FOR THUNDERSTORMS EACH DAY FROM MONDAY THROUGH
FRIDAY...SEVERE WEATHER AND LOCALLY HEAVY RAINFALL ARE POSSIBLE.
TIMING AND SPECIFIC THREAT WILL BE DEFINED IN LATER FORECASTS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT NECESSARY AT THIS TIME.

In the hours before

Local storm report, Aug 20, 2:19 AM CDT, 2 hours 38 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
219 AM CDT MON AUG 20 2007

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

0215 AM     FLASH FLOOD      MANSON                  42.53N 94.54W
08/20/2007                   CALHOUN            IA   LAW ENFORCEMENT

            STREETS ARE IMPASSABLE. WATER OVER THE ROADS SOUTH OF
            FARNAMVILLE AT 370TH AND HWY P21.

&&

BF

Local storm report, Aug 20, 3:32 AM CDT, 1 hour 25 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
332 AM CDT MON AUG 20 2007

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

0317 AM     FLASH FLOOD      MANSON                  42.53N 94.54W
08/20/2007                   CALHOUN            IA   LAW ENFORCEMENT

            HIGHWAY 7 CLOSED EAST OF MANSON DUE TO WATER OVER THE
            ROAD. ALL ROADS IN MANSON FLOODED. WATER OVER THE ROAD AT
            330TH AND P21.

&&

RK

Local storm report, Aug 20, 4:15 AM CDT, 42 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
415 AM CDT MON AUG 20 2007

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

0317 AM     FLASH FLOOD      MOORLAND                42.44N 94.29W
08/20/2007                   WEBSTER            IA   LAW ENFORCEMENT

            CAR STRANDED IN WATER OVER UNDERPASS ALONG HIGHWAY 20.

&&

MRUSSELL

Local storm report, Aug 20, 4:18 AM CDT, 39 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
418 AM CDT MON AUG 20 2007

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

0335 AM     DOWNBURST        FORT DODGE              42.51N 94.18W
08/20/2007                   WEBSTER            IA   PUBLIC

            DES MOINES RIVER OUT OF BANKS AND FLOODING RC TRAIL IN
            FORT DODGE. REPORTED BY PUBLIC.

&&

MRUSSELL

Local storm report, Aug 20, 4:20 AM CDT, 37 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE DES MOINES IA
420 AM CDT MON AUG 20 2007

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

0335 AM     FLASH FLOOD      FORT DODGE              42.51N 94.18W
08/20/2007                   WEBSTER            IA   PUBLIC

            DES MOINES RIVER OUT OF BANKS AND FLOODING RC TRAIL IN
            FORT DODGE. REPORTED BY PUBLIC.

&&

MRUSSELL

Local storm report, Aug 20, 4:27 AM CDT, 30 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
427 AM CDT MON AUG 20 2007

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

0353 AM     FLASH FLOOD      BARNUM                  42.51N 94.36W
08/20/2007                   WEBSTER            IA   EMERGENCY MNGR

            LIZARD CREEK FLOODING ROADS NEAR BARNUM. HIGHWAY 169 AND
            20 INTERSECTION REMAINS CLOSED DUE TO WATER OVER THE
            ROAD. NUMEROUS ROADS IN FORT DODGE REMAIN UNDER WATER.

&&

MRUSSELL

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 19, 7:28 PM CDT	Severe Thunderstorm Warning	DMX	Hamilton, Hardin	30 min
Aug 19, 7:35 PM CDT	Tornado Warning	DMX	Hardin	20 min
Aug 19, 9:41 PM CDT	Flash Flood Warning	DMX	Boone	6 hr
Aug 19, 11:46 PM CDT	Flash Flood Warning	DMX	Webster	6 hr
Aug 20, 12:10 AM CDT	Flash Flood Warning	DMX	Wright	6 hr
Aug 20, 12:11 AM CDT	Flash Flood Warning	DMX	Calhoun	6 hr
Aug 20, 12:27 AM CDT	Flash Flood Warning	DMX	Franklin	6 hr
Aug 20, 12:40 AM CDT	Flash Flood Warning	DMX	Butler	6 hr
Aug 20, 12:50 AM CDT	Flash Flood Warning	DMX	Humboldt	6 hr
Aug 20, 1:14 AM CDT	Flash Flood Warning	DMX	Pocahontas	6 hr
Aug 20, 3:55 AM CDT	Flash Flood Watch	DMX	Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more	4 days
Aug 20, 4:45 AM CDT	River Flood Warning	DMX	Webster	12 hr
Aug 20, 5:08 AM CDT	River Flood Warning	DMX	Boone, Hamilton, Webster	8 days
Aug 20, 5:59 AM CDT	Flash Flood Warning	DMX	Emmet, Kossuth	6 hr
Aug 20, 9:27 AM CDT	Flash Flood Warning	DMX	Emmet, Kossuth	4 hr
Aug 20, 9:34 AM CDT	Severe Thunderstorm Warning	DMX	Sac	56 min
Aug 20, 10:14 AM CDT	Severe Thunderstorm Warning	DMX	Calhoun, Pocahontas	34 min
Aug 20, 10:18 AM CDT	Flash Flood Warning	DMX	Boone, Calhoun, Greene, Pocahontas, Webster	4 hr
Aug 20, 10:18 AM CDT	Flash Flood Warning	DMX	Boone, Calhoun, Greene, Humboldt, Pocahontas, Webster	4 hr
Aug 20, 10:24 AM CDT	Severe Thunderstorm Warning	DMX	Crawford	51 min

Nearby

River Flood Warnings in Iowa, 2007 Every river 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; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.