Alert archive / Wisconsin / Flash Flood Warnings in 2011
Flash Flood Warning 1, NWS Milwaukee, WI
NWS Milwaukee, WI issued this flash flood warning at Jun 8, 2011, 5:55 PM CDT for Iowa County, Wisconsin. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 8, 2011, 5:55 PM CDT (22:55 UTC)
- Expired
- Jun 8, 2011, 8:34 PM CDT
- In force
- 3 hr
- Issued by
- NWS Milwaukee, WI
- Area
- Storm-based polygon
- Flood severity
- None
County Iowa County, WI
The radar
The La Crosse radar (KARX), 108 km from the middle of the area, began a volume at 22:57 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.
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 10.9 hours before the alert went out and 170 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
- 1876 J/kg
- Mixed-layer CIN
- -225 J/kg
- Mixed-layer LCL
- 1404 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 76 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
160
WGUS53 KMKX 082255
FFWMKX
WIC049-090200-
/O.NEW.KMKX.FF.W.0001.110608T2255Z-110609T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
555 PM CDT WED JUN 8 2011
THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A
* FLASH FLOOD WARNING FOR...
IOWA COUNTY IN SOUTH CENTRAL WISCONSIN...
* UNTIL 900 PM CDT
* AT 553 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
WARNED AREA. DOPPLER RADAR ESTIMATED RAINFALL OF 2 TO 4 INCHES
FALLING IN ONE HOURS TIME. MORE THUNDERSTORMS WERE LOCATED
UPSTREAM OVER FAR EASTERN IOWA THAT WILL AFFECT THE WARNED AREA.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
DODGEVILLE...BLACKHAWK LAKE RECREATION AREA AND GOVERNOR DODGE
STATE PARK.
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 4320 9041 4321 9037 4321 9029 4320 9028
4320 9026 4317 9019 4316 9018 4316 9017
4313 8997 4290 8993 4292 9042
$$
MBK2 follow-up statements
789
WGUS73 KMKX 082318
FFSMKX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
618 PM CDT WED JUN 8 2011
WIC049-090200-
/O.CON.KMKX.FF.W.0001.000000T0000Z-110609T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
IOWA WI-
618 PM CDT WED JUN 8 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR IOWA
COUNTY...
AT 609 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SLOW MOVING THUNDERSTORM PRODUCING HEAVY RAINFALL AND
POTENTIAL FLASH FLOODING OVER THE WARNED AREA.
LOCATIONS IN THE WARNING INCLUDE AVOCA...HIGHLAND...CLYDE AND
GOVERNOR DODGE STATE PARK.
DOPPLER RADAR ESTIMATED RAINFALL OF 2 TO 4 INCHES SINCE ABOUT 5 PM
WHEN THE THUNDERSTORM PUSHED INTO WESTERN IOWA COUNTY. HEAVY
RAINFALL WAS REPORTED IN HIGHLAND AT 610 PM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT
WEDNESDAY EVENING FOR SOUTHEASTERN WISCONSIN.
&&
LAT...LON 4320 9041 4321 9037 4321 9029 4320 9028
4320 9026 4317 9019 4316 9018 4316 9017
4313 8997 4290 8993 4292 9042
$$
MBK932
WGUS73 KMKX 090134
FFSMKX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
834 PM CDT WED JUN 8 2011
WIC049-090143-
/O.CAN.KMKX.FF.W.0001.000000T0000Z-110609T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
IOWA WI-
834 PM CDT WED JUN 8 2011
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR IOWA COUNTY...
THE WIDESPREAD STRONG THUNDERSTORMS HAVE PUSHED EAST OF IOWA
COUNTY...ENDING THE HEAVY RAINFALL THREAT. HENCE THE FLASH FLOOD
WARNING FOR IOWA COUNTY HAS BEEN CANCELLED.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT
WEDNESDAY EVENING FOR SOUTHEASTERN WISCONSIN.
LAT...LON 4320 9041 4321 9037 4321 9029 4320 9028
4320 9026 4317 9019 4316 9018 4316 9017
4313 8997 4290 8993 4292 9042
$$
MBKThe office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 8, 3:34 AM CDT | Small Craft Advisory | MKX | 15 hr | |
| Jun 8, 7:04 AM CDT | Special Marine Warning | MKX | 86 min | |
| Jun 8, 10:37 AM CDT | Severe Thunderstorm Warning | MKX | Fond du Lac, Green Lake | 38 min |
| Jun 8, 4:57 PM CDT | Severe Thunderstorm Warning | MKX | Iowa | 48 min |
| Jun 8, 5:43 PM CDT | Severe Thunderstorm Warning | MKX | Iowa | 62 min |
| Jun 8, 5:51 PM CDT | Severe Thunderstorm Warning | MKX | Sauk | 39 min |
| Jun 8, 6:01 PM CDT | Severe Thunderstorm Warning | MKX | Iowa, Sauk | 44 min |
| Jun 8, 6:11 PM CDT | Severe Thunderstorm Warning | MKX | Marquette | 49 min |
| Jun 8, 6:26 PM CDT | Areal Flood Advisory | MKX | Columbia, Sauk | 3 hr |
| Jun 8, 6:28 PM CDT | Severe Thunderstorm Warning | MKX | Columbia, Dane, Sauk | 47 min |
| Jun 8, 6:43 PM CDT | Severe Thunderstorm Warning | MKX | Dane, Iowa, Sauk | 62 min |
| Jun 8, 6:49 PM CDT | Areal Flood Advisory | MKX | Dane | 2 hr |
| Jun 8, 6:50 PM CDT | Severe Thunderstorm Warning | MKX | Columbia, Green Lake, Marquette | 55 min |
| Jun 8, 6:56 PM CDT | Severe Thunderstorm Warning | MKX | Columbia, Sauk | 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.