Alert archive / Wisconsin / Flash Flood Warnings in 2016
Flash Flood Warning 29, NWS Twin Cities, MN
NWS Twin Cities, MN issued this flash flood warning at Sep 21, 2016, 7:12 PM CDT for Chippewa County, Eau Claire County, Wisconsin. It was in force for 4 hr. 7 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 21, 2016, 7:12 PM CDT (00:12 UTC)
- Expired
- Sep 21, 2016, 11:15 PM CDT
- In force
- 4 hr
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Chippewa County, WI, Eau Claire County, WI
The radar
The La Crosse radar (KARX), 115 km from the middle of the area, began a volume at 00:13 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 21, 7:15 PM CDT | HEAVY RAIN 4 | 2 Ese Chippewa Falls, WI | 3 HOUR RAINFALL TOTAL. |
| Sep 21, 8:00 PM CDT | FLASH FLOOD | 3 Nne Altoona, WI | MUDSLIDE ON HWY 53 NEAR EAU CLAIRE AIRPORT. |
| Sep 21, 8:27 PM CDT | FLASH FLOOD | 7 S Cadott, WI | WATER COVERING ROAD HWY 2Y AND COUNTY X. |
| Sep 21, 8:54 PM CDT | HEAVY RAIN 7 | 3 N Lake Wissota, WI | RAINFALL TOTAL 400 PM. |
| Sep 21, 10:30 PM CDT | HEAVY RAIN 3.9 | 2 Nw Eau Claire, WI | REPORTED AT JEFFERS RD AND HWY 312, EAU CLAIRE, WI. |
| Sep 21, 10:30 PM CDT | HEAVY RAIN 3.9 | 2 Nw Eau Claire, WI | REPORTED AT JEFFERS RD AND HWY 312, EAU CLAIRE, WI. THE DURATION OF THE HEAVY RAIN EVENT WAS 8 HOURS. |
| Sep 21, 10:58 PM CDT | HEAVY RAIN 8.5 | 1 Ne Lake Wissota, WI | . |
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, 0.2 hours before the alert went out and 188 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
- 144 J/kg
- Mixed-layer CIN
- -361 J/kg
- Mixed-layer LCL
- 641 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 428 m²/s²
- 0-3 km storm-relative helicity
- 596 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 11.6
The text
As transmitted.
261
WGUS53 KMPX 220012
FFWMPX
WIC017-035-220415-
/O.NEW.KMPX.FF.W.0029.160922T0012Z-160922T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
712 PM CDT WED SEP 21 2016
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EAU CLAIRE COUNTY IN WEST CENTRAL WISCONSIN...
SOUTHERN CHIPPEWA COUNTY IN WEST CENTRAL WISCONSIN...
* UNTIL 1115 PM CDT
* AT 710 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. 2 TO 5 INCHES OF RAIN HAVE
FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
EAU CLAIRE...CHIPPEWA FALLS...ALTOONA...LAKE HALLIE...STANLEY...
BLOOMER...LAKE WISSOTA...AUGUSTA...CADOTT...FALL CREEK...
BOYD AND TILDEN.
ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 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.
&&
LAT...LON 4461 9092 4470 9165 4516 9166 4505 9123
4503 9092
$$
BORGHOFF1 follow-up statement
555
WGUS73 KMPX 220319
FFSMPX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1019 PM CDT WED SEP 21 2016
WIC017-035-220415-
/O.CON.KMPX.FF.W.0029.000000T0000Z-160922T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
EAU CLAIRE WI-CHIPPEWA WI-
1019 PM CDT WED SEP 21 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT FOR
EAU CLAIRE AND SOUTHERN CHIPPEWA COUNTIES...
AT 1019 PM CDT...DOPPLER RADAR INDICATED HEAVY RAIN ACROSS THE
WARNED AREA. 4 TO 7 INCHES OF RAIN HAVE FALLEN. ANY ONGOING FLOODING
IS EXPECTED TO CONTINUE.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
EAU CLAIRE...CHIPPEWA FALLS...ALTOONA...LAKE HALLIE...STANLEY...
BLOOMER...LAKE WISSOTA...AUGUSTA...CADOTT...FALL CREEK...
BOYD AND TILDEN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
&&
LAT...LON 4461 9092 4470 9165 4516 9166 4505 9123
4503 9092
$$
BORGHOFFThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 21, 7:36 PM CDT | Flash Flood Warning | MPX | Dunn, Saint Croix | 4 hr |
| Sep 21, 9:03 PM CDT | River Flood Warning | MPX | Eau Claire | 4 days |
| Sep 22, 3:59 AM CDT | Flash Flood Watch | MPX | Eau Claire, Pepin, Pierce | 7 hr |
| Sep 22, 5:33 AM CDT | Areal Flood Warning | MPX | Chippewa, Dunn, Eau Claire | 24 hr |
Nearby
Flash Flood Warnings in Wisconsin, 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.