Alert archive / Wisconsin / Flash Flood Warnings in 2011
Flash Flood Warning 2, NWS Twin Cities, MN
NWS Twin Cities, MN issued this flash flood warning at Jun 18, 2011, 8:57 PM CDT for Chippewa County, Eau Claire County, Wisconsin. It was in force for 6 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
- Jun 18, 2011, 8:57 PM CDT (01:57 UTC)
- Expired
- Jun 19, 2011, 3:00 AM CDT
- In force
- 6 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), 124 km from the middle of the area, began a volume at 01:57 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 18, 9:00 PM CDT | FLASH FLOOD | 2 Sw Eau Claire, WI | A THREE FOOT MUD SLIDE OCCURRED NEAR MILE MARKER 63 ON INTERSTATE 94 NEAR EAU CLAIRE. |
| Jun 18, 9:00 PM CDT | FLASH FLOOD | Eau Claire, WI | SIGNIFICANT STREET FLOODING OCCURRED AROUND IN THE CITY OF EAU CLAIRE DUE TO RAINFALL AMOUNTS OF FOUR INCHES IN LESS THAN 2 HOURS. |
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, 2.0 hours before the alert went out and 194 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
- 685 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 805 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 90 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
The text
As transmitted, in the capitals the NWS used until 2016.
796
WGUS53 KMPX 190157
FFWMPX
WIC017-035-190800-
/O.NEW.KMPX.FF.W.0002.110619T0157Z-110619T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
857 PM CDT SAT JUN 18 2011
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CHIPPEWA COUNTY IN WEST CENTRAL WISCONSIN...
EAU CLAIRE COUNTY IN WEST CENTRAL WISCONSIN...
* UNTIL 300 AM CDT SUNDAY
* AT 854 PM CDT...TRAINED WEATHER SPOTTERS REPORTED SLOW MOVING
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. A
COOPERATIVE OBSERVER IN EAU CLAIRE REPORTED FOUR INCHES OF
RAINFALL SINCE 7 PM. WITH THESE TYPES OF RAINFALL AMOUNTS AND THE
CONTINUED THUNDERSTORMS MOVING ACROSS THE SAME AREAS...THE FLOOD
ADVISORY HAS BEEN UPGRADED TO A FLASH FLOOD WARNING. RAINFALL
RATES OF TWO TO THREE INCHES PER HOUR WILL BE COMMON IN THE WARNED
AREA THROUGH 10 PM WHICH WILL CAUSE FLASH FLOODING.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
CHIPPEWA FALLS...EAU CLAIRE...ALTOONA...BATEMAN...BLOOMER...BOYD...
BRACKETT...CADOTT...CORNELL...EAGLETON...FALL CREEK...FOSTER...
HOLCOMBE...JIM FALLS...LAKE HALLIE...LAKE WISSOTA...LUDINGTON AND
STANLEY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE. TURN
AROUND... DONT DROWN!
TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN THE
TWIN CITIES.
&&
LAT...LON 4461 9095 4459 9155 4521 9155 4530 9095
4529 9092
$$
JLT3 follow-up statements
354
WGUS73 KMPX 190214
FFSMPX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
914 PM CDT SAT JUN 18 2011
WIC017-035-190800-
/O.CON.KMPX.FF.W.0002.000000T0000Z-110619T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHIPPEWA WI-EAU CLAIRE WI-
914 PM CDT SAT JUN 18 2011
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR EAU CLAIRE AND CHIPPEWA
COUNTIES IN WEST CENTRAL WISCONSIN UNTIL 300 AM CDT...
AT 909 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED THAT FLASH
FLOODING WAS OCCURRING IN EAU CLAIRE. THE LOCAL POLICE DEPARTMENT
ADVISED NO TRAVEL IN THE EAU CLAIRE CITY LIMITS UNTIL STORMS AND THE
ASSOCIATED FLOODING HAS PAST. ALTHOUGH THE HEAVIEST RAINFALL HAS
MOVED EAST OF EAU CLAIRE...OVER FOUR INCHES OF RAIN FELL AROUND THE
CITY IN LESS THAN TWO HOURS. ANY ADDITIONAL RAINFALL WILL LEAD TO
MORE PROBLEMS AND POSSIBLE ROAD CLOSURES. IN ADDITION...LOCAL
OFFICIALS INDICATED THAT MUD SLIDES HAVE OCCURRED ON INTERSTATE 94.
SPECIFIC INFORMATION HAS NOT BEEN OBTAINED ON WHERE ON THE
INTERSTATE THIS HAS HAPPENED.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...CHIPPEWA
FALLS...EAU CLAIRE...ALTOONA...BATEMAN...BLOOMER...BOYD...BRACKETT...
CADOTT...CORNELL...EAGLETON...FALL CREEK...FOSTER...HOLCOMBE...JIM
FALLS...LAKE HALLIE...LAKE WISSOTA...LUDINGTON AND STANLEY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.
REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY SO THAT THEY
MAY TAKE APPROPRIATE ACTION TO CLOSE FLOODED ROADWAYS. THEY WILL
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES.
&&
LAT...LON 4461 9095 4459 9155 4521 9155 4530 9095
4529 9092
$$
JLT717
WGUS73 KMPX 190302
FFSMPX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1002 PM CDT SAT JUN 18 2011
WIC017-035-190800-
/O.CON.KMPX.FF.W.0002.000000T0000Z-110619T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHIPPEWA WI-EAU CLAIRE WI-
1002 PM CDT SAT JUN 18 2011
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR EAU CLAIRE AND CHIPPEWA
COUNTIES IN WEST CENTRAL WISCONSIN UNTIL 300 AM CDT...
AT 959 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED THAT FLASH
FLOODING WAS OCCURRING IN EAU CLAIRE AND SURROUNDING COMMUNITIES. IN
ADDITION...A THREE FOOT MUD SLIDE OCCURRED ON INTERSTATE 94...NEAR
THE 63 MILE MARKER AROUND 845 PM. AS OF 10 PM...THE INTERSTATE
HAS NOT BEEN CLEARED OF THE DEBRIS. RAINFALL RATES HAVE DECREASED
SIGNIFICANTLY SINCE 930 PM. HOWEVER...AN ADDITIONAL ONE QUARTER TO
ONE HALF INCH OF RAINFALL IS POSSIBLE THROUGH MIDNIGHT.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...CHIPPEWA
FALLS...EAU CLAIRE...ALTOONA...BATEMAN...BLOOMER...BOYD...BRACKETT...
CADOTT...CORNELL...EAGLETON...FALL CREEK...FOSTER...HOLCOMBE...JIM
FALLS...LAKE HALLIE...LAKE WISSOTA...LUDINGTON AND STANLEY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.
REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY SO THAT THEY
MAY TAKE APPROPRIATE ACTION TO CLOSE FLOODED ROADWAYS. THEY WILL
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES.
&&
LAT...LON 4461 9095 4459 9155 4521 9155 4530 9095
4529 9092
$$
JLT230
WGUS73 KMPX 190559
FFSMPX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1259 AM CDT SUN JUN 19 2011
WIC017-035-190800-
/O.CON.KMPX.FF.W.0002.000000T0000Z-110619T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHIPPEWA WI-EAU CLAIRE WI-
1259 AM CDT SUN JUN 19 2011
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR EAU CLAIRE AND CHIPPEWA
COUNTIES IN WEST CENTRAL WISCONSIN UNTIL 300 AM CDT...
AT 1259 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN
AREA OF VERY HEAVY RAINFALL WITH A FEW EMBEDDED THUNDERSTORMS MOVING
NORTH ACROSS THE WARNED AREA. RAINFALL RATES OF 1 TO 3 INCHES PER
HOUR CAN BE EXPECTED AS THIS AREA OF RAIN SLOWLY MOVES NORTH.
RAINFALL AMOUNTS OF 3 TO 5 INCHES HAVE ALREADY BEEN REPORTED ACROSS
THE WARNED AREA...AND THE ADDITIONAL RAINFALL MAY EXACERBATE
FLOODING CONCERNS.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...CHIPPEWA
FALLS...EAU CLAIRE...ALTOONA...BATEMAN...BLOOMER...BOYD...BRACKETT...
CADOTT...CORNELL...EAGLETON...FALL CREEK...FOSTER...HOLCOMBE...JIM
FALLS...LAKE HALLIE...LAKE WISSOTA...LUDINGTON AND STANLEY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLOODING IS OBSERVED...ACT QUICKLY. DO NOT
ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND. DO NOT
STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY SO THAT THEY
MAY TAKE APPROPRIATE ACTION TO CLOSE FLOODED ROADWAYS. THEY WILL
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES.
&&
LAT...LON 4461 9095 4459 9155 4521 9155 4530 9095
4529 9092
$$
JPCThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 7:09 PM CDT | Areal Flood Advisory | MPX | Chippewa, Dunn, Eau Claire, Pepin | 5 hr |
| Jun 18, 8:19 PM CDT | Areal Flood Advisory | MPX | Chippewa, Eau Claire | 4 hr |
| Jun 18, 8:20 PM CDT | Severe Thunderstorm Warning | MPX | Eau Claire | 25 min |
| Jun 18, 8:49 PM CDT | Severe Thunderstorm Warning | MPX | Eau Claire | 56 min |
| Jun 18, 10:00 PM CDT | Special Weather Statement | MPX | Rusk | 60 min |
| Jun 19, 3:14 AM CDT | Areal Flood Advisory | MPX | Chippewa, Eau Claire | 3 hr |
Nearby
Flash Flood Warnings in Wisconsin, 2011Every flash flood warning in 2011
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.