Alert archive / Iowa / Flash Flood Warnings in 2015
Flash Flood Warning 4, NWS La Crosse, WI
NWS La Crosse, WI issued this flash flood warning at Jun 22, 2015, 6:55 AM CDT for Howard County, Mitchell County, Iowa. It was in force for 4 hr. 5 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, 2015, 6:55 AM CDT (11:55 UTC)
- Expired
- Jun 22, 2015, 11:00 AM CDT
- In force
- 4 hr
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Flood severity
- None
Counties Howard County, IA, Mitchell County, IA
The radar
The La Crosse radar (KARX), 112 km from the middle of the area, began a volume at 11:57 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, 7:00 AM CDT | FLASH FLOOD | 1 Nne Stacyville, IA | 480TH STREET WASHED OUT BETWEEN MONUMENT AVENUE AND OCEAN AVENUE |
| Jun 22, 7:00 AM CDT | FLASH FLOOD | 1 N Stacyville, IA | 480TH STREET WASHED OUT BETWEEN MONUMENT AVENUE AND OCEAN AVENUE |
| Jun 22, 7:54 AM CDT | FLASH FLOOD | Cresco, IA | STREET FLOODING IN CRESCO. SOME STREETS BEING CLOSED OFF. |
| Jun 22, 8:17 AM CDT | FLASH FLOOD | 3 N Mcintire, IA | WATER OVER ROAD 500TH AND WALNUT ST. |
| Jun 22, 8:30 AM CDT | FLASH FLOOD | Lime Springs, IA | EASTERN SIDE OF TOWN FLOODED |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 11.9 hours before the alert went out and 185 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
- 10 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 2425 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 97 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
113
WGUS53 KARX 221155
FFWARX
IAC089-131-221600-
/O.NEW.KARX.FF.W.0004.150622T1155Z-150622T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
655 AM CDT MON JUN 22 2015
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
HOWARD COUNTY IN NORTHEASTERN IOWA...
MITCHELL COUNTY IN NORTH CENTRAL IOWA...
* UNTIL 1100 AM CDT
* AT 653 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE AREA. 1 TO 2 INCHES OF RAIN HAS ALREADY
FALLEN...AND ANOTHER INCH IS ANTICIPATED. FLASH FLOODING IS
EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
CRESCO...OSAGE...ST. ANSGAR...RICEVILLE...LYLE...ELMA...LIME
SPRINGS...STACYVILLE...PROTIVIN...MITCHELL...CHESTER...MCINTIRE...
CARPENTER...AND BONAIR.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE. STAY
AWAY OR BE SWEPT AWAY. RIVER BANKS AND CULVERTS CAN BECOME UNSTABLE
AND UNSAFE.
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.
&&
LAT...LON 4350 9208 4322 9208 4328 9302 4350 9303
$$
MW2 follow-up statements
042 WGUS73 KARX 221304 FFSARX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 804 AM CDT MON JUN 22 2015 IAC089-131-221600- /O.CON.KARX.FF.W.0004.000000T0000Z-150622T1600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ HOWARD IA-MITCHELL IA- 804 AM CDT MON JUN 22 2015 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1100 AM CDT FOR HOWARD AND MITCHELL COUNTIES... AT 802 AM CDT...LOCAL LAW ENFORCEMENT REPORTED STREET FLOODING IN CRESCO DUE TO THE HEAVY RAINFALL. RADAR ESTIMATES THAT BETWEEN 2 AND 3 INCHES OF RAIN FELL IN ABOUT 90 MINUTES. SOME AREAS MAY HAVE EVEN HIGHER AMOUNTS. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... CRESCO...OSAGE...ST. ANSGAR...RICEVILLE...LYLE...ELMA...LIME SPRINGS...STACYVILLE...PROTIVIN...MITCHELL...CHESTER...MCINTIRE... CARPENTER...BAILEY...BONAIR AND NEW HAVEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE. STAY AWAY OR BE SWEPT AWAY. RIVER BANKS AND CULVERTS CAN BECOME UNSTABLE AND UNSAFE. TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU CAN DO SO SAFELY. && LAT...LON 4350 9208 4322 9208 4328 9302 4350 9303 $$ MW
471 WGUS73 KARX 221559 FFSARX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 1059 AM CDT MON JUN 22 2015 IAC089-131-221603- /O.EXP.KARX.FF.W.0004.000000T0000Z-150622T1600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ HOWARD IA-MITCHELL IA- 1059 AM CDT MON JUN 22 2015 ...THE FLASH FLOOD WARNING FOR HOWARD AND MITCHELL COUNTIES WILL EXPIRE AT 1100 AM CDT... WITH THE RAIN ENDED...FLOOD WATERS HAVE RECEDED AND ARE NO LONGER EXPECTED TO POSE A THREAT TO LIFE OR PROPERTY. ALTHOUGH FLASH FLOODING IS NO LONGER A CONCERN...BE AWARE THERE ARE TWO ROAD CLOSURES...480TH STREET BETWEEN MONUMENT AVENUE AND OCEAN AVENUE NEAR STACYVILLE...AND 500TH STREET AND WALNUT NORTH OF MCINTIRE. LAT...LON 4350 9208 4322 9208 4328 9302 4350 9303 $$ AJ
The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 22, 6:04 AM CDT | Special Weather Statement | ARX | Chickasaw, Floyd, Howard, Mitchell, Winneshiek | 56 min |
| Jun 22, 6:33 AM CDT | Severe Thunderstorm Warning | ARX | Mitchell | 42 min |
| Jun 22, 6:46 AM CDT | Severe Thunderstorm Warning | ARX | Howard, Winneshiek | 59 min |
| Jun 22, 6:54 AM CDT | Severe Thunderstorm Warning | ARX | Clayton | 66 min |
| Jun 22, 7:55 AM CDT | Special Weather Statement | ARX | Clayton, Fayette | 80 min |
| Jun 22, 7:58 AM CDT | Severe Thunderstorm Warning | ARX | Allamakee, Clayton, Fayette | 62 min |
| Jun 22, 7:58 AM CDT | Wind Advisory | ARX | Chickasaw, Floyd, Howard, Mitchell | 3 hr |
| Jun 22, 8:15 AM CDT | Flash Flood Warning | ARX | Allamakee, Clayton, Winneshiek | 3 hr |
| Jun 22, 8:40 AM CDT | Severe Thunderstorm Warning | ARX | Clayton | 50 min |
| Jun 22, 9:26 AM CDT | River Flood Warning | ARX | Floyd | 67 hr |
| Jun 22, 11:25 AM CDT | Areal Flood Advisory | ARX | Allamakee, Winneshiek | 3 hr |
| Jun 22, 1:57 PM CDT | River Flood Warning | ARX | Allamakee | 54 hr |
Nearby
Flash Flood Warnings in Iowa, 2015Every flash flood warning in 2015
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.