Alert archive / Iowa / Flash Flood Warnings in 2016
Flash Flood Warning 2, NWS Des Moines, IA
NWS Des Moines, IA issued this flash flood warning at May 9, 2016, 10:26 PM CDT for Audubon County, Carroll County, Guthrie County, Iowa. It was in force for 6 hr. 1 report 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
- May 9, 2016, 10:26 PM CDT (03:26 UTC)
- Expired
- May 10, 2016, 4:30 AM CDT
- In force
- 6 hr
- Issued by
- NWS Des Moines, IA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Audubon County, IA, Carroll County, IA, Guthrie County, IA
The radar
The Des Moines radar (KDMX), 93 km from the middle of the area, began a volume at 03:28 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 |
|---|---|---|---|
| May 9, 10:26 PM CDT | FLASH FLOOD | 3 Wsw Templeton, IA | LAW ENFORCEMENT REPORTED GRAVEL WASHED AWAY AROUND IA-141 AND FALCON AVE. |
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, 3.4 hours before the alert went out and 145 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
- 37 J/kg
- Mixed-layer CIN
- -85 J/kg
- Mixed-layer LCL
- 2626 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 202 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.4
The text
As transmitted.
615
WGUS53 KDMX 100326
FFWDMX
IAC009-027-077-100930-
/O.NEW.KDMX.FF.W.0002.160510T0326Z-160510T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
1026 PM CDT MON MAY 9 2016
THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHWESTERN GUTHRIE COUNTY IN WEST CENTRAL IOWA...
SOUTHERN CARROLL COUNTY IN WEST CENTRAL IOWA...
NORTHERN AUDUBON COUNTY IN WEST CENTRAL IOWA...
* UNTIL 430 AM CDT TUESDAY
* AT 1024 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED
THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. TWO TO
3 INCHES OF RAIN HAS ALREADY FALLEN IN SPOTS. A GRAVEL ROAD NEAR
HWY 141 AND FALCON ROAD IN CARROLL COUNTY HAS BEEN WASHED OUT.
ADDITIONAL RAINFALL OF ANOTHER INCH IS POSSIBLE THROUGH THE NEXT
FEW HOURS.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
CARROLL...AUDUBON...MANNING...COON RAPIDS...GLIDDEN...PANORA...LAKE
PANORAMA...TEMPLETON...DEDHAM...HALBUR...WILLEY...RALSTON...GRAY...MANNING
MUNICIPAL AIRPORT...SWAN LAKE STATE PARK...ARTHUR N NEU AIRPORT AND
AUDUBON COUNTY AIRPORT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
&&
LAT...LON 4207 9509 4207 9463 4186 9463 4170 9436
4169 9509
$$
BEERENDS2 follow-up statements
805
WGUS73 KDMX 100706
FFSDMX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
206 AM CDT TUE MAY 10 2016
IAC009-027-077-100930-
/O.CON.KDMX.FF.W.0002.000000T0000Z-160510T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GUTHRIE IA-CARROLL IA-AUDUBON IA-
206 AM CDT TUE MAY 10 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 430 AM CDT TUESDAY
FOR NORTHWESTERN GUTHRIE...SOUTHERN CARROLL AND NORTHERN AUDUBON
COUNTIES...
AT 1024 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED
THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. TWO TO 3
INCHES OF RAIN HAS ALREADY FALLEN IN SPOTS. A GRAVEL ROAD NEAR HWY
141 AND FALCON ROAD IN CARROLL COUNTY HAS BEEN WASHED OUT.
ADDITIONAL RAINFALL OF ANOTHER ONE TENTH TO ONE QUARTER OF AN INCH
IS POSSIBLE THROUGH THE NEXT FEW HOURS.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
CARROLL...AUDUBON...MANNING...COON RAPIDS...GLIDDEN...PANORA...LAKE
PANORAMA...TEMPLETON...DEDHAM...HALBUR...WILLEY...RALSTON...GRAY...MANNING
MUNICIPAL AIRPORT...SWAN LAKE STATE PARK...ARTHUR N NEU AIRPORT AND
AUDUBON COUNTY AIRPORT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.
&&
LAT...LON 4207 9509 4207 9463 4186 9463 4170 9436
4169 9509
$$
KOTENBERG633
WGUS73 KDMX 100929
FFSDMX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
429 AM CDT TUE MAY 10 2016
IAC009-027-077-100937-
/O.EXP.KDMX.FF.W.0002.000000T0000Z-160510T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GUTHRIE IA-CARROLL IA-AUDUBON IA-
429 AM CDT TUE MAY 10 2016
...THE FLASH FLOOD WARNING FOR NORTHWESTERN GUTHRIE...SOUTHERN
CARROLL AND NORTHERN AUDUBON COUNTIES WILL EXPIRE AT 430 AM CDT...
THE HEAVY RAIN HAS ENDED. FLASH FLOODING IS NO LONGER EXPECTED TO
POSE A THREAT. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES.
PLEASE REPORT ANY FLOODING YOU MAY COME ACROSS TO YOUR LOCAL LAW
ENFORCEMENT AGENCY WHEN YOU CAN DO SO SAFELY.
LAT...LON 4207 9509 4207 9463 4186 9463 4170 9436
4169 9509
$$
KOTENBERGThe office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 7:15 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Guthrie | 45 min |
| May 9, 8:00 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Carroll, Greene, Guthrie | 45 min |
| May 9, 8:05 PM CDT | Tornado Warning | DMX | Guthrie | 25 min |
| May 9, 8:37 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Carroll, Crawford | 37 min |
| May 9, 8:50 PM CDT | Special Weather Statement | DMX | Adams, Taylor | 40 min |
| May 9, 11:41 PM CDT | Special Weather Statement | DMX | Audubon | 49 min |
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.