Alert archive / Iowa / Flash Flood Warnings in 2016
Flash Flood Warning 28, NWS La Crosse, WI
NWS La Crosse, WI issued this flash flood warning at Sep 7, 2016, 7:14 AM CDT for Allamakee County, Winneshiek County, Iowa; Fillmore County, Houston County, Minnesota. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 7, 2016, 7:14 AM CDT (12:14 UTC)
- Expired
- Sep 7, 2016, 10:15 AM CDT
- In force
- 3 hr
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Flood severity
- None
Counties Allamakee County, IA, Winneshiek County, IA, Fillmore County, MN, Houston County, MN
The radar
The La Crosse radar (KARX), 44 km from the middle of the area, began a volume at 12:16 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 nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 0.2 hours before the alert went out and 216 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
- 624 J/kg
- Mixed-layer CIN
- -97 J/kg
- Mixed-layer LCL
- 1224 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 157 m²/s²
- 0-3 km storm-relative helicity
- 179 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.8
The text
As transmitted.
652
WGUS53 KARX 071214
FFWARX
IAC005-191-MNC045-055-071515-
/O.NEW.KARX.FF.W.0028.160907T1214Z-160907T1515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
714 AM CDT WED SEP 7 2016
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHERN ALLAMAKEE COUNTY IN NORTHEASTERN IOWA...
WINNESHIEK COUNTY IN NORTHEASTERN IOWA...
SOUTHEASTERN FILLMORE COUNTY IN SOUTHEASTERN MINNESOTA...
SOUTHERN HOUSTON COUNTY IN SOUTHEASTERN MINNESOTA...
* UNTIL 1015 AM CDT
* AT 711 AM CDT...RAINFALL IN EXCESS OF 4 INCHES HAS FALLEN ACROSS
PARTS OF THE AREA...WITH UP TO AN ADDITIONAL INCH POSSIBLE THROUGH
MID MORNING. FLASH FLOODING IS OCCURRING IN SOME LOCATIONS. THIS
IS AN EXTENTION OF THE PREVIOUS WARNING.
LAW ENFORCEMENT REPORTED FLOODING IN STEAM ENGINE PARK IN MABLE
MINNESOTA. NUMEROUS ROADS WERE FLOODED SOUTH OF SPRING GROVE
MINNESOTA WITH SOME ROAD CLOSURES. WATERLOO CREEK IS OUT OF ITS
BANKS IN ALLAMAKEE COUNTY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
DECORAH...WAUKON...CALEDONIA...LANSING...SPRING GROVE...HARMONY...
MABEL...NEW ALBIN...BROWNSVILLE...CANTON...RIDGEWAY...WILMINGTON...
RENO...NEWBURG...BLACK HAMMER...EITZEN...BLUFFTON...
VILLAGE CREEK...AND BURR OAK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 4354 9208 4371 9127 4361 9127 4358 9123
4354 9125 4352 9122 4345 9123 4341 9120
4339 9120 4337 9122 4335 9120 4329 9109
4325 9107 4323 9208
$$
RIECK1 follow-up statement
954
WGUS73 KARX 071353
FFSARX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
853 AM CDT WED SEP 7 2016
IAC005-191-MNC045-055-071515-
/O.CON.KARX.FF.W.0028.000000T0000Z-160907T1515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ALLAMAKEE IA-WINNESHIEK IA-FILLMORE MN-HOUSTON MN-
853 AM CDT WED SEP 7 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1015 AM CDT FOR
NORTHERN ALLAMAKEE...WINNESHIEK...SOUTHEASTERN FILLMORE AND SOUTHERN
HOUSTON COUNTIES...
AT 845 AM CDT...LAW ENFORCEMENT HAS REPORTED A MUDSLIDE NEAR
BROWNSVILLE MINNESOTA RESULTING IN SIGNIFICANT DAMAGE TO A NEWER
HOME. NUMEROUS ROADS HAVE WATER ACROSS THEM WITH SOME CLOSED.
SCATTERED SHOWERS AND THUNDERSTORMS WILL PERSIST THROUGH LATE
MORNING. ADDITIONAL RAINFALL UP TO 1/2 INCH WILL BE POSSIBLE.
EXCESSIVE RAINFALL OVER THE WARNED AREA WILL CAUSE MUD SLIDES NEAR
STEEP TERRAIN. THE MUD SLIDE CAN CONSIST OF ROCK...MUD...VEGETATION
AND OTHER LOOSE MATERIALS.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
DECORAH...WAUKON...CALEDONIA...LANSING...SPRING GROVE...HARMONY...
MABEL...BROWNSVILLE...CANTON...RIDGEWAY...WILMINGTON...RENO...
NEWBURG...BLACK HAMMER...EITZEN...AND BLUFFTON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.
&&
LAT...LON 4354 9208 4371 9127 4361 9127 4358 9123
4354 9125 4352 9122 4345 9123 4341 9120
4339 9120 4337 9122 4335 9120 4329 9109
4325 9107 4323 9208
$$
RIECKThe office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 7, 2:12 AM CDT | Flash Flood Warning | ARX | Allamakee, Winneshiek | 5 hr |
| Sep 7, 6:32 AM CDT | River Flood Warning | ARX | Winneshiek | 34 hr |
| Sep 7, 8:05 AM CDT | River Flood Warning | ARX | Allamakee | 3 days |
| Sep 7, 10:14 AM CDT | Areal Flood Warning | ARX | Allamakee, Winneshiek | 6 hr |
| Sep 6, 11:00 PM CDT | Special Weather Statement | ARX | Fillmore, Houston, Winona | 3 hr |
Nearby
Flash Flood Warnings in Iowa, 2016Flash Flood Warnings in Minnesota, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.