Alert archive / Minnesota / Flash Flood Warnings in 2016
Flash Flood Warning 26, NWS La Crosse, WI
NWS La Crosse, WI issued this flash flood warning at Sep 7, 2016, 2:12 AM CDT for Fillmore County, Houston County, Minnesota; Allamakee County, Winneshiek County, Iowa. It was in force for 5 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
- Sep 7, 2016, 2:12 AM CDT (07:12 UTC)
- Expired
- Sep 7, 2016, 7:15 AM CDT
- In force
- 5 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 07:15 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 |
|---|---|---|---|
| Sep 7, 6:00 AM CDT | HEAVY RAIN 3.58 | 3 S Dorchester, IA | MESONET STATION 3 S DORCHESTER /DCHI4R2/. |
| Sep 7, 6:40 AM CDT | HEAVY RAIN 4.61 | Mabel, MN | CO-OP OBSERVER STATION MABEL /MABM5/. |
| Sep 7, 6:45 AM CDT | HEAVY RAIN 5.24 | 1 Ene Bluffton, IA | MESONET STATION BLUFFTON /BLFI4/. |
| Sep 7, 6:55 AM CDT | FLASH FLOOD | Mabel, MN | STEAM ENGINE PARK FLOODED. |
| Sep 7, 6:55 AM CDT | FLASH FLOOD | Spring Grove, MN | NUMEROUS ROADS WITH WATER ACROSS THEM...MOSTLY SOUTH OF SPRING GROVE. SOME ROAD CLOSURES. |
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, 7.2 hours before the alert went out and 215 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
- 937 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 1380 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 54 m²/s²
- 0-3 km storm-relative helicity
- 136 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.2
The text
As transmitted.
398
WGUS53 KARX 070712
FFWARX
IAC005-191-MNC045-055-071215-
/O.NEW.KARX.FF.W.0026.160907T0712Z-160907T1215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
212 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 715 AM CDT
* AT 211 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...
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.
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.
ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 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 4354 9208 4371 9127 4361 9127 4358 9123
4354 9125 4352 9122 4348 9122 4345 9123
4341 9120 4339 9120 4337 9122 4335 9120
4331 9111 4329 9108 4325 9107 4323 9208
$$
WETENKAMP2 follow-up statements
989
WGUS73 KARX 070920
FFSARX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
420 AM CDT WED SEP 7 2016
IAC005-191-MNC045-055-071215-
/O.CON.KARX.FF.W.0026.000000T0000Z-160907T1215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ALLAMAKEE IA-WINNESHIEK IA-FILLMORE MN-HOUSTON MN-
420 AM CDT WED SEP 7 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 715 AM CDT FOR
NORTHERN ALLAMAKEE...WINNESHIEK...SOUTHEASTERN FILLMORE AND SOUTHERN
HOUSTON COUNTIES...
AT 415 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. RADAR ESTIMATED RAINFALL NEARING
4 INCHES AT SOME LOCATIONS. FLASH FLOODING IS EXPECTED TO BEGIN
SHORTLY.
EXCESSIVE RAINFALL OVER THE WARNED AREA WILL CAUSE MUD SLIDES NEAR
STEEP TERRAIN. THE MUD SLIDE CAN CONSIST OF ROCK...MUD...VEGETATION
AND OTHER LOOSE MATERIALS.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
DECORAH...WAUKON...CALEDONIA...LANSING...SPRING GROVE...HARMONY...
MABEL...NEW ALBIN...BROWNSVILLE...RIDGEWAY...WILMINGTON...RENO...
NEWBURG...BLUFFTON...AND BURR OAK.
ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE
WARNED AREA THIS MORNING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
&&
LAT...LON 4354 9208 4371 9127 4361 9127 4358 9123
4354 9125 4352 9122 4348 9122 4345 9123
4341 9120 4339 9120 4337 9122 4335 9120
4331 9111 4329 9108 4325 9107 4323 9208
$$
RIECK143
WGUS73 KARX 070944
FFSARX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
444 AM CDT WED SEP 7 2016
IAC005-191-MNC045-055-071215-
/O.CON.KARX.FF.W.0026.000000T0000Z-160907T1215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ALLAMAKEE IA-WINNESHIEK IA-FILLMORE MN-HOUSTON MN-
444 AM CDT WED SEP 7 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 715 AM CDT FOR
NORTHERN ALLAMAKEE...WINNESHIEK...SOUTHEASTERN FILLMORE AND SOUTHERN
HOUSTON COUNTIES...
AT 440 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING IS
OCCURRING OR EXPECTED TO BEGIN SHORTLY.
LAW ENFORCEMENT IN VERNON COUNTY REPORTED SIDIE HOLLOW CAMPGROUND
WAS BEING EVACUATED DUE TO HIGH WATER. STREET FLOODING IN VIROQUA.
POSSIBLE ROCKSLIDE ON HIGHWAY 35 NEAR VICTORY.
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...NEW ALBIN...BROWNSVILLE...RIDGEWAY...WILMINGTON...RENO...
AND BLUFFTON.
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.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND
UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.
&&
LAT...LON 4354 9208 4371 9127 4361 9127 4358 9123
4354 9125 4352 9122 4348 9122 4345 9123
4341 9120 4339 9120 4337 9122 4335 9120
4331 9111 4329 9108 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 6, 11:00 PM CDT | Special Weather Statement | ARX | Fillmore, Houston, Winona | 3 hr |
| Sep 7, 7:14 AM CDT | Flash Flood Warning | ARX | Fillmore, Houston | 3 hr |
| Sep 7, 10:14 AM CDT | Areal Flood Warning | ARX | Fillmore, Houston | 6 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 |
Nearby
Flash Flood Warnings in Minnesota, 2016Flash 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.