Alert archive / Iowa / River Flood Warnings in 2016
River Flood Warning 39, NWS Des Moines, IA
NWS Des Moines, IA issued this river flood warning at Sep 25, 2016, 4:51 PM CDT for Hamilton County, Webster County, Iowa. It took effect at Sep 25, 2016, 7:00 PM CDT. It was in force for 30 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 25, 2016, 4:51 PM CDT (21:51 UTC)
- In effect from
- Sep 25, 2016, 7:00 PM CDT
- Expired
- Sep 27, 2016, 1:00 AM CDT
- In force
- 30 hr
- Issued by
- NWS Des Moines, IA
- Area
- Storm-based polygon
- Flood severity
- Minor
Counties Hamilton County, IA, Webster County, IA
The radar
The Des Moines radar (KDMX), 72 km from the middle of the area, began a volume at 21:53 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 Boone River near Webster City (WBCI4). The gauge peaked at 14.03 ft at Sep 26, 2016, 12:00 AM CDT.
- Action stage
- 9 ft
- Minor stage
- 14 ft
- Moderate stage
- 17 ft
- Major stage
- 19 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 05481000, 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.
742
WGUS43 KDMX 252151
FLWDMX
Bulletin - Immediate Broadcast Requested
Flood Warning
National Weather Service Des Moines IA
451 PM CDT SUN SEP 25 2016
...The National Weather Service in Des Moines has issued a Flood
Warning for all or portions of the following rivers in Iowa...Boone
River...
Affecting the following counties in Iowa...Hamilton...Webster
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. Click on
the Rivers and Lakes link.
&&
IAC079-187-262151-
/O.NEW.KDMX.FL.W.0039.160926T0000Z-160927T0600Z/
/WBCI4.1.ER.160926T0000Z.160926T0000Z.160926T0600Z.NO/
451 PM CDT SUN SEP 25 2016
...Flood Warning in effect until after midnight tonight...
The National Weather Service in Des Moines has issued a
* Flood Warning for
The Boone River near Webster City...or From Webster City...to the
Des Moines River.
* Until after midnight tonight.
* At 4:00 PM Sunday the stage was 13.8 feet...or 0.2 feet below
Flood Stage.
* Flood Stage is 14.0 feet.
* No flooding is occurring and Minor flooding is forecast.
* Forecast...rise to Flood Stage this evening.
* Impact...At 14.0 feet...Water affects some residential areas near
the river in Webster City.
&&
LAT...LON 4230 9393 4233 9393 4248 9383 4248 9377
4234 9380 4230 9393
$$
KS4 follow-up statements
187
WGUS83 KDMX 260101
FLSDMX
Flood Statement
National Weather Service Des Moines IA
801 PM CDT SUN SEP 25 2016
...The Flood Warning has been extended for all or portions of the
following rivers in Iowa...Boone River...
Affecting the following counties in Iowa...Hamilton...Webster
River forecasts include observed precipitation...as well as expected
precipitation over the next 24 hours.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If you encounter a flooded area...turn around and find an alternate
route. Turn around...do not drown.
More information...including impact statements and crest histories
is available on the Web at... www.weather.gov/desmoines. Click on
the Rivers and Lakes link.
&&
IAC079-187-270101-
/O.EXT.KDMX.FL.W.0039.000000T0000Z-160927T0427Z/
/WBCI4.1.ER.160926T0427Z.160926T0427Z.160926T0427Z.NO/
801 PM CDT SUN SEP 25 2016
...Flood Warning now in effect until late this evening...
The Flood Warning continues for
The Boone River near Webster City...or From Webster City...to the
Des Moines River.
* Until late this evening.
* At 7:00 PM Sunday the stage was 13.9 feet...or 0.1 feet below
Flood Stage.
* Flood Stage is 14.0 feet.
* No flooding is occurring and Minor flooding is forecast.
* Forecast...briefly rise to Flood Stage late this evening before
beginning to fall tonight.
* Impact...At 14.0 feet...Water affects some residential areas near
the river in Webster City.
&&
LAT...LON 4230 9393 4233 9393 4248 9383 4248 9377
4234 9380 4230 9393
$$
KS523
WGUS83 KDMX 260248
FLSDMX
Flood Statement
National Weather Service Des Moines IA
948 PM CDT SUN SEP 25 2016
...The Flood Warning continues for all or portions of the following
rivers in Iowa...Boone River...
Affecting the following counties in Iowa...Hamilton...Webster
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. Click on
the Rivers and Lakes link.
&&
IAC079-187-270248-
/O.CON.KDMX.FL.W.0039.000000T0000Z-160927T0427Z/
/WBCI4.1.ER.160926T0200Z.160926T0200Z.160926T0427Z.NO/
948 PM CDT SUN SEP 25 2016
...Flood Warning remains in effect until late this evening...
The Flood Warning continues for
The Boone River near Webster City...or From Webster City...to the
Des Moines River.
* Until late this evening.
* At 9:00 PM Sunday the stage was 14.0 feet...or at Flood Stage.
* Flood Stage is 14.0 feet.
* Minor flooding is occurring and is forecast to continue.
* Forecast...remain near flood stage through much of the night before
starting to fall.
* Impact...At 14.0 feet...Water affects some residential areas near
the river in Webster City.
&&
LAT...LON 4230 9393 4233 9393 4248 9383 4248 9377
4234 9380 4230 9393
$$553
WGUS83 KDMX 260446
FLSDMX
Flood Statement
National Weather Service Des Moines IA
1146 PM CDT SUN SEP 25 2016
...The Flood Warning has been extended for all or portions of the
following rivers in Iowa...Boone River...
Affecting the following counties in Iowa...Hamilton...Webster
River forecasts include observed precipitation...as well as expected
precipitation over the next 24 hours.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If you encounter a flooded area...turn around and find an alternate
route. Turn around...do not drown.
More information...including impact statements and crest histories
is available on the Web at... www.weather.gov/desmoines. Click on
the Rivers and Lakes link.
&&
IAC079-187-270446-
/O.EXT.KDMX.FL.W.0039.000000T0000Z-160927T0642Z/
/WBCI4.1.ER.160926T0200Z.160926T0330Z.160926T0642Z.NO/
1146 PM CDT SUN SEP 25 2016
...Flood Warning now in effect until after midnight tonight...
The Flood Warning continues for
The Boone River near Webster City...or From Webster City...to the
Des Moines River.
* Until after midnight tonight.
* At 11:00 PM Sunday the stage was 14.0 feet...or at Flood Stage.
* Flood Stage is 14.0 feet.
* Minor flooding is occurring and is forecast to continue.
* Forecast...remain near Flood Stage until after midnight tonight.
Then begin falling.
* Impact...At 14.0 feet...Water affects some residential areas near
the river in Webster City.
&&
LAT...LON 4230 9393 4233 9393 4248 9383 4248 9377
4234 9380 4230 9393
$$
KS911
WGUS83 KDMX 261030
FLSDMX
Flood Statement
National Weather Service Des Moines IA
530 AM CDT MON SEP 26 2016
...The Flood Warning has been cancelled for all or portions of the
following rivers in Iowa...Boone River...
Affecting the following counties in Iowa...Hamilton...Webster
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. Click on
the Rivers and Lakes link.
&&
IAC079-187-261100-
/O.CAN.KDMX.FL.W.0039.000000T0000Z-160927T0642Z/
/WBCI4.1.ER.160926T0200Z.160926T0330Z.160926T0622Z.NO/
530 AM CDT MON SEP 26 2016
...Flood Warning is cancelled...
The Flood Warning is cancelled for
The Boone River near Webster City...or From Webster City...to the
Des Moines River.
* At 5:00 AM Monday the stage was 13.9 feet...or 0.1 feet below
Flood Stage.
* Forecast...fall to 12.0 feet Tuesday morning.
* Impact...At 12.0 feet...Widespread agricultural land flooding
occurs.
&&
LAT...LON 4230 9393 4233 9393 4248 9383 4248 9377
4234 9380 4230 9393
$$The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 24, 8:37 PM CDT | Special Weather Statement | DMX | Polk, Warren | 38 min |
| Sep 24, 10:19 PM CDT | Flash Flood Warning | DMX | Clarke, Madison, Warren | 6 hr |
| Sep 25, 4:33 PM CDT | River Flood Warning | DMX | Black Hawk, Bremer, Butler | 3 days |
Nearby
River Flood Warnings in Iowa, 2016Every river flood warning in 2016
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.