Alert archive / Wisconsin / Flash Flood Warnings in 2011
Flash Flood Warning 10, NWS Twin Cities, MN
NWS Twin Cities, MN issued this flash flood warning at Jul 19, 2011, 8:40 PM CDT for 4 counties in Wisconsin. It was in force for 3 hr. 1 report 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
- Jul 19, 2011, 8:40 PM CDT (01:40 UTC)
- Expired
- Jul 19, 2011, 11:30 PM CDT
- In force
- 3 hr
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Barron County, WI, Chippewa County, WI, Dunn County, WI, Rusk County, WI
The radar
The La Crosse radar (KARX), 149 km from the middle of the area, began a volume at 01:40 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 |
|---|---|---|---|
| Jul 19, 8:47 PM CDT | HEAVY RAIN 0 | 1 Ene Cornell, WI | LOTS OF STREET FLODDING |
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, 1.7 hours before the alert went out and 183 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
- 5426 J/kg
- Mixed-layer CIN
- -79 J/kg
- Mixed-layer LCL
- 1247 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 253 m²/s²
- 0-3 km storm-relative helicity
- 330 m²/s²
- Significant tornado parameter
- 4.8
- Supercell composite
- 44.6
The text
As transmitted, in the capitals the NWS used until 2016.
161
WGUS53 KMPX 200140
FFWMPX
WIC005-017-033-107-200430-
/O.NEW.KMPX.FF.W.0010.110720T0140Z-110720T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
840 PM CDT TUE JUL 19 2011
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* FLASH FLOOD WARNING FOR...
BARRON COUNTY IN NORTHWEST WISCONSIN...
CHIPPEWA COUNTY IN WEST CENTRAL WISCONSIN...
NORTHEASTERN DUNN COUNTY IN WEST CENTRAL WISCONSIN...
SOUTHWESTERN RUSK COUNTY IN NORTHWEST WISCONSIN...
* UNTIL 1130 PM CDT
* AT 838 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
WARNED AREA. RADAR IS ESTIMATED BETWEEN 2 AND 4 INCHES IN PORTIONS
OF THE WARNING AREA.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
BARRON...BLOOMER...BOYD...CADOTT...CAMERON...CANTON...CHETEK...
COMSTOCK...CORNELL...CUMBERLAND...EAGLETON...HILLSDALE...
HOLCOMBE...ISLAND LAKE...JIM FALLS...NEW AUBURN...PRAIRIE FARM...
RIDGELAND...SAND CREEK...SHELDON AND STANLEY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.
&&
LAT...LON 4486 9096 4525 9210 4558 9210 4538 9124
4532 9091 4486 9092
$$
FRANKS1 follow-up statement
007
WGUS73 KMPX 200316
FFSMPX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1016 PM CDT TUE JUL 19 2011
WIC005-017-033-107-200430-
/O.CON.KMPX.FF.W.0010.000000T0000Z-110720T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BARRON WI-CHIPPEWA WI-DUNN WI-RUSK WI-
1016 PM CDT TUE JUL 19 2011
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHWESTERN RUSK...
NORTHEASTERN DUNN...CHIPPEWA AND BARRON COUNTIES UNTIL 1130 PM CDT...
AT 1008 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THE THUNDERSTORMS THAT PRODUCED THE HEAVY RAINFALL HAVE MOVED OUT OF
THE WARNING AREA. THERE MAY STILL BE WATER OVER ROADS AND LOCAL
CREEKS OR STREAMS MAY STILL SEE RISES LATE THIS EVENING.
RUNOFF FROM THIS EXCESSIVE RAINFALL COULD CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING
INCLUDE...BARRON...BLOOMER...BOYD...CADOTT...CAMERON...CANTON...COM
STOCK...CORNELL...CUMBERLAND...EAGLETON...HILLSDALE...HOLCOMBE...
ISLAND LAKE...JIM FALLS...NEW AUBURN...PRAIRIE
FARM...RIDGELAND...SAND CREEK...SHELDON AND STANLEY.
RADAR HAS ESTIMATED 2 TO 4 INCHES OF RAINFALL ACROSS THE WARNING
AREA OVER A 2 HOUR WINDOW.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLOODING IS OBSERVED...ACT QUICKLY. DO NOT
ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND. DO NOT
STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
&&
LAT...LON 4486 9096 4525 9210 4558 9210 4538 9124
4532 9091 4486 9092
$$
FRANKSThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 7:06 PM CDT | Tornado Warning | MPX | Polk | 39 min |
| Jul 19, 7:29 PM CDT | Tornado Warning | MPX | Barron | 61 min |
| Jul 19, 7:46 PM CDT | Severe Thunderstorm Warning | MPX | Polk | 44 min |
| Jul 19, 8:16 PM CDT | Areal Flood Advisory | MPX | Barron, Chippewa, Dunn, Rusk | 3 hr |
| Jul 19, 8:37 PM CDT | Severe Thunderstorm Warning | MPX | Barron, Chippewa, Dunn, Eau Claire | 53 min |
| Jul 19, 9:42 PM CDT | Severe Thunderstorm Warning | MPX | Eau Claire | 37 min |
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.