Alert archive / Iowa / Flash Flood Warnings in 2016
Flash Flood Warning 8, NWS Des Moines, IA
NWS Des Moines, IA issued this flash flood warning at Jun 22, 2016, 12:53 AM CDT for 4 counties in Iowa. It was in force for 6 hr. 4 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 22, 2016, 12:53 AM CDT (05:53 UTC)
- Expired
- Jun 22, 2016, 7:00 AM CDT
- In force
- 6 hr
- Issued by
- NWS Des Moines, IA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Black Hawk County, IA, Bremer County, IA, Butler County, IA, Grundy County, IA
The radar
The Des Moines radar (KDMX), 128 km from the middle of the area, began a volume at 05:54 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 22, 2:30 AM CDT | FLASH FLOOD | 1 Ese Greene, IA | SEVERAL GRAVEL ROADS THROUGHOUT BUTLER COUNTY HAD WATER FLOWING OVER THEM PLUS A BLACKTOP C13 OUT GREENE HAD DEEP WATER FLOWING OVER IT. TIME OF REPORT ESTIMATED BY THE EMERGENCY MANAGER WHICH OCCURRED BETWEEN 2-3 AM. |
| Jun 22, 5:00 AM CDT | HEAVY RAIN 2.73 | 2 Se Waterloo Regional, IA | COCORAHS STATION 2 SE WATERLOO REGIONAL AIRPORT (ALO) /IA-BH-8/. THE DURATION OF THE HEAVY RAIN EVENT WAS 24 HOURS. |
| Jun 22, 6:54 AM CDT | HEAVY RAIN 2.42 | Waterloo Regional Airpo, IA | ASOS STATION WATERLOO MUNICIPAL AIRPORT /ALO/. THE DURATION OF THE HEAVY RAIN EVENT WAS 24 HOURS. |
| Jun 22, 7:00 AM CDT | HEAVY RAIN 2.36 | 1 Sse Cedar Falls, IA | COCORAHS STATION 1 SSE CEDAR FALLS /IA-BH-7/. THE DURATION OF THE HEAVY RAIN EVENT WAS 24 HOURS. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 5.9 hours before the alert went out and 203 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2283 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 128 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
501
WGUS53 KDMX 220553
FFWDMX
IAC013-017-023-075-221200-
/O.NEW.KDMX.FF.W.0008.160622T0553Z-160622T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
1253 AM CDT WED JUN 22 2016
THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A
* FLASH FLOOD WARNING FOR...
BUTLER COUNTY IN NORTH CENTRAL IOWA...
GRUNDY COUNTY IN CENTRAL IOWA...
BLACK HAWK COUNTY IN NORTHEASTERN IOWA...
BREMER COUNTY IN NORTHEASTERN IOWA...
* UNTIL 700 AM CDT WEDNESDAY
* AT 1253 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN HAVE
ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
WATERLOO...CEDAR FALLS...WAVERLY...GRUNDY CENTER...ALLISON...
EVANSDALE...JESUP...LA PORTE CITY...HUDSON...SUMNER...
PARKERSBURG...DENVER...REINBECK...CLARKSVILLE...TRIPOLI...
SHELL ROCK...DIKE...GREENE...APLINGTON AND ELK RUN HEIGHTS.
ADDITIONAL RAINFALL AMOUNTS OF 2 TO 4 INCHES WITH LOCALLY HIGHER
AMOUNTS ARE POSSIBLE IN THE WARNED AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 4229 9277 4254 9303 4291 9303 4291 9208
4230 9206
$$
PODRAZIK3 follow-up statements
385
WGUS73 KDMX 220719
FFSDMX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
219 AM CDT WED JUN 22 2016
IAC013-017-023-075-221200-
/O.CON.KDMX.FF.W.0008.000000T0000Z-160622T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BUTLER IA-GRUNDY IA-BLACK HAWK IA-BREMER IA-
219 AM CDT WED JUN 22 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 AM CDT FOR
BUTLER...GRUNDY...BLACK HAWK AND BREMER COUNTIES...
AT 218 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. UP TO THREE INCHES OF RAIN HAVE
ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
WATERLOO...CEDAR FALLS...WAVERLY...GRUNDY CENTER...ALLISON...
EVANSDALE...JESUP...LA PORTE CITY...HUDSON...SUMNER...PARKERSBURG...
DENVER...REINBECK...CLARKSVILLE...TRIPOLI...SHELL ROCK...DIKE...
GREENE...APLINGTON AND ELK RUN HEIGHTS.
ADDITIONAL RAINFALL AMOUNTS OF 2 TO 4 INCHES ARE POSSIBLE IN THE
WARNED AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
&&
LAT...LON 4229 9277 4254 9303 4291 9303 4291 9208
4230 9206
$$
PODRAZIK669
WGUS73 KDMX 220918
FFSDMX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
418 AM CDT WED JUN 22 2016
IAC013-017-023-075-221200-
/O.CON.KDMX.FF.W.0008.000000T0000Z-160622T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BUTLER IA-GRUNDY IA-BLACK HAWK IA-BREMER IA-
418 AM CDT WED JUN 22 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 AM CDT FOR
BUTLER...GRUNDY...BLACK HAWK AND BREMER COUNTIES...
AT 417 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY
RAIN ACROSS THE WARNED AREA. UP TO THREE INCHES OF RAIN HAVE ALREADY
FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
WATERLOO...CEDAR FALLS...WAVERLY...GRUNDY CENTER...ALLISON...
EVANSDALE...JESUP...LA PORTE CITY...HUDSON...SUMNER...PARKERSBURG...
DENVER...REINBECK...CLARKSVILLE...TRIPOLI...SHELL ROCK...DIKE...
GREENE...APLINGTON AND ELK RUN HEIGHTS.
ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE
WARNED AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
&&
LAT...LON 4229 9277 4254 9303 4291 9303 4291 9208
4230 9206
$$
PODRAZIK143
WGUS73 KDMX 221158
FFSDMX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
658 AM CDT WED JUN 22 2016
IAC013-017-023-075-221207-
/O.EXP.KDMX.FF.W.0008.000000T0000Z-160622T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BUTLER IA-GRUNDY IA-BLACK HAWK IA-BREMER IA-
658 AM CDT WED JUN 22 2016
...THE FLASH FLOOD WARNING FOR BUTLER...GRUNDY...BLACK HAWK AND
BREMER COUNTIES WILL EXPIRE AT 700 AM CDT...
THE HEAVY RAIN HAS ENDED. FLOODING IS NO LONGER EXPECTED TO POSE A
THREAT. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES.
LAT...LON 4229 9277 4254 9303 4291 9303 4291 9208
4230 9206
$$
PODRAZIKThe office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 7:48 PM CDT | Special Weather Statement | DMX | Lucas | 27 min |
| Jun 21, 8:02 PM CDT | Special Weather Statement | DMX | Wayne | 28 min |
| Jun 21, 8:43 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Wayne | 26 min |
| Jun 21, 9:24 PM CDT | Special Weather Statement | DMX | Appanoose | 36 min |
| Jun 21, 9:36 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose | 39 min |
| Jun 21, 9:55 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Davis, Monroe | 50 min |
| Jun 21, 11:06 PM CDT | Special Weather Statement | DMX | Cerro Gordo, Winnebago | 39 min |
| Jun 21, 11:20 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Hancock, Kossuth, Winnebago, Worth | 40 min |
| Jun 21, 11:43 PM CDT | Special Weather Statement | DMX | Bremer | 62 min |
| Jun 22, 12:01 AM CDT | Special Weather Statement | DMX | Cerro Gordo, Winnebago, Worth | 44 min |
| Jun 22, 12:03 AM CDT | Flash Flood Warning | DMX | Cerro Gordo, Hancock, Kossuth, Winnebago, Worth | 6 hr |
| Jun 22, 1:07 AM CDT | Special Weather Statement | DMX | Emmet, Kossuth, Palo Alto, Winnebago | 53 min |
| Jun 22, 2:02 AM CDT | Severe Thunderstorm Warning | DMX | Emmet, Humboldt, Kossuth, Palo Alto, Pocahontas | 43 min |
| Jun 22, 2:25 AM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Hancock, Kossuth, Winnebago | 50 min |
| Jun 22, 2:38 AM CDT | Flash Flood Warning | DMX | Tama | 6 hr |
| Jun 22, 2:57 AM CDT | Severe Thunderstorm Warning | DMX | Franklin, Hamilton, Hancock, Hardin, Humboldt, Webster and 1 more | 48 min |
| Jun 22, 3:28 AM CDT | Heat Advisory | DMX | Appanoose, Clarke, Davis, Decatur, Lucas, Monroe and 5 more | 16 hr |
Nearby
Flash Flood Warnings in Iowa, 2016Every flash 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.