Alert archive / Wisconsin / Flash Flood Warnings in 2016

Flash Flood Warning 1, NWS Twin Cities, MN

May 31, 2016Chippewa County, Dunn County, Eau Claire County, Wisconsin

NWS Twin Cities, MN issued this flash flood warning at May 31, 2016, 4:20 PM CDT for Chippewa County, Dunn County, Eau Claire County, Wisconsin. It was in force for 4 hr. 2 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
May 31, 2016, 4:20 PM CDT (21:20 UTC)
Expired
May 31, 2016, 8:15 PM CDT
In force
4 hr
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Flood severity
None

Counties Chippewa County, WI, Dunn County, WI, Eau Claire County, WI

The radar

The La Crosse radar (KARX), 132 km from the middle of the area, began a volume at 21:21 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

TimeReportWhereRemark
May 31, 4:30 PM CDTHEAVY RAIN 32 Ene Bloomer, WIWATER OVER ROAD AT HWY 40 AND 64.
May 31, 4:30 PM CDTHEAVY RAIN 3.2Elk Mound, WINUMEROUS CITY ROADS CLOSED DUE TO FLOODING DURING HEAVY RAIN IN ELK MOUND.

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 12:00Z, 9.3 hours before the alert went out and 160 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.

Skew-T log-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 2016-05-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2016-05-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 130 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
994 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
130 m²/s²
0-3 km storm-relative helicity
88 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

369 
WGUS53 KMPX 312120
FFWMPX
WIC017-033-035-010115-
/O.NEW.KMPX.FF.W.0001.160531T2120Z-160601T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
420 PM CDT TUE MAY 31 2016

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN DUNN COUNTY IN WEST CENTRAL WISCONSIN...
  NORTHWESTERN EAU CLAIRE COUNTY IN WEST CENTRAL WISCONSIN...
  SOUTHWESTERN CHIPPEWA COUNTY IN WEST CENTRAL WISCONSIN...

* UNTIL 815 PM CDT

* AT 419 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. OVER TWO INCHES OF RAIN HAVE
  ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  EAU CLAIRE...LAKE HALLIE...BLOOMER...COLFAX...ELK MOUND AND EAU CLAIRE
  AIRPORT.

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.

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.

&&

LAT...LON 4512 9143 4475 9148 4476 9182 4513 9173

$$

JPC
3 follow-up statements
466 
WGUS73 KMPX 312234
FFSMPX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
534 PM CDT TUE MAY 31 2016

WIC017-033-035-010115-
/O.CON.KMPX.FF.W.0001.000000T0000Z-160601T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DUNN WI-EAU CLAIRE WI-CHIPPEWA WI-
534 PM CDT TUE MAY 31 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR
SOUTHEASTERN DUNN...NORTHWESTERN EAU CLAIRE AND SOUTHWESTERN CHIPPEWA
COUNTIES...

AT 534 PM 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...
EAU CLAIRE...LAKE HALLIE...BLOOMER...COLFAX...ELK MOUND AND EAU CLAIRE
AIRPORT.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 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.

STAY AWAY OR BE SWEPT AWAY. RIVER BANKS AND CULVERTS CAN BECOME
UNSTABLE AND UNSAFE.

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.

&&

LAT...LON 4512 9143 4475 9148 4476 9182 4513 9173

$$

JPC
672 
WGUS73 KMPX 312345
FFSMPX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
645 PM CDT TUE MAY 31 2016

WIC033-035-312352-
/O.CAN.KMPX.FF.W.0001.000000T0000Z-160601T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DUNN WI-EAU CLAIRE WI-
645 PM CDT TUE MAY 31 2016

...THE FLASH FLOOD WARNING FOR SOUTHEASTERN DUNN AND NORTHWESTERN EAU
CLAIRE COUNTIES IS CANCELLED...

FLASH FLOODING IS NO LONGER EXPECTED TO POSE A THREAT AS THE
RAINFALL HAS MOVED AWAY FROM THE AREA. THEREFORE...THE FLASH FLOOD
WARNING FOR SOUTHEASTERN DUNN AND NORTHWESTERN EAU CLAIRE COUNTIES
HAS BEEN CANCELLED. LINGERING FLOODING OF POOR DRAINAGE AND LOW
LYING AREAS MAY CONTINUE AS WELL AS ANY REMAINING ROAD CLOSURES SO
PLEASE HEED ANY DIRECTIONS FROM LOCAL OFFICIALS.

LAT...LON 4486 9147 4486 9165 4498 9166 4512 9165
      4512 9167 4513 9166 4512 9143

$$

WIC017-010115-
/O.CON.KMPX.FF.W.0001.000000T0000Z-160601T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHIPPEWA WI-
645 PM CDT TUE MAY 31 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR
SOUTHWESTERN CHIPPEWA COUNTY...

AT 642 PM CDT...DOPPLER RADAR INDICATED MODERATE TO HEAVY RAIN
ACROSS PORTIONS OF SOUTHWESTERN CHIPPEWA COUNTY. UP TO THREE INCHES
OF RAIN HAVE ALREADY FALLEN. FLASH FLOODING CONTINUES TO BE A THREAT.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
EAU CLAIRE...LAKE HALLIE...BLOOMER AND EAU CLAIRE AIRPORT. 

ADDITIONAL RAINFALL AMOUNTS OF UP TO 1 INCH ARE POSSIBLE IN THE
WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

STAY AWAY OR BE SWEPT AWAY. RIVER BANKS AND CULVERTS CAN BECOME
UNSTABLE AND UNSAFE.

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.

&&

LAT...LON 4486 9147 4486 9165 4498 9166 4512 9165
      4512 9167 4513 9166 4512 9143

$$

JPC
492 
WGUS73 KMPX 010107
FFSMPX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
807 PM CDT TUE MAY 31 2016

WIC017-010115-
/O.EXP.KMPX.FF.W.0001.000000T0000Z-160601T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHIPPEWA WI-
807 PM CDT TUE MAY 31 2016

...THE FLASH FLOOD WARNING FOR SOUTHWESTERN CHIPPEWA COUNTY WILL
EXPIRE AT 815 PM CDT...

FLASH FLOODING IS NO LONGER EXPECTED TO POSE A THREAT AS THE
RAINFALL HAS DIMINISHED. THEREFORE...THE FLASH FLOOD WARNING FOR
SOUTHWESTERN CHIPPEWA COUNTY HAS BEEN ALLOWED TO EXPIRE. LINGERING
FLOODING OF POOR DRAINAGE AND LOW LYING AREAS MAY CONTINUE AS WELL
AS ANY REMAINING ROAD CLOSURES SO PLEASE HEED ANY DIRECTIONS FROM
LOCAL OFFICIALS.

LAT...LON 4486 9147 4486 9165 4498 9166 4512 9165
      4512 9167 4513 9166 4512 9143

$$

JPC

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 31, 2:07 PM CDTSpecial Weather StatementMPXPierce23 min
May 31, 3:16 PM CDTSpecial Weather StatementMPXDunn44 min
May 31, 3:42 PM CDTSevere Thunderstorm WarningMPXChippewa, Dunn48 min
May 31, 4:05 PM CDTSpecial Weather StatementMPXChippewa, Rusk55 min
May 31, 4:29 PM CDTSpecial Weather StatementMPXEau Claire31 min
May 31, 4:58 PM CDTSpecial Weather StatementMPXEau Claire62 min
May 31, 5:59 PM CDTSpecial Weather StatementMPXChippewa, Eau Claire, Rusk61 min

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.