Alert archive / Wisconsin / Areal Flood Advisories in 2012
Areal Flood Advisory 21, NWS Twin Cities, MN
NWS Twin Cities, MN issued this areal flood advisory at Jun 20, 2012, 3:55 PM CDT for 7 counties in Wisconsin. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 20, 2012, 3:55 PM CDT (20:55 UTC)
- Expired
- Jun 20, 2012, 8:00 PM CDT
- In force
- 4 hr
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
Counties Barron County, WI, Dunn County, WI, Pepin County, WI, Pierce County, WI, Polk County, WI, Rusk County, WI, Saint Croix County, WI
The radar
The Minneapolis radar (KMPX), 125 km from the middle of the area, began a volume at 20:58 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
Minneapolis, MN (KMPX), launched 12:00Z, 8.9 hours before the alert went out and 127 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
- 737 J/kg
- Mixed-layer CIN
- -116 J/kg
- Mixed-layer LCL
- 974 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 272 m²/s²
- 0-3 km storm-relative helicity
- 358 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 15.1
The text
As transmitted, in the capitals the NWS used until 2016.
182
WGUS83 KMPX 202055
FLSMPX
FLOOD ADVISORY
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
355 PM CDT WED JUN 20 2012
WIC005-033-091-093-095-107-109-210100-
/O.NEW.KMPX.FA.Y.0021.120620T2055Z-120621T0100Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BARRON WI-DUNN WI-PEPIN WI-ST. CROIX WI-RUSK WI-POLK WI-PIERCE WI-
355 PM CDT WED JUN 20 2012
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED AN
* URBAN AND SMALL STREAM FLOOD ADVISORY FOR...
BARRON COUNTY IN NORTHWEST WISCONSIN...
DUNN COUNTY IN WEST CENTRAL WISCONSIN...
PEPIN COUNTY IN WEST CENTRAL WISCONSIN...
PIERCE COUNTY IN WEST CENTRAL WISCONSIN...
SOUTHEASTERN POLK COUNTY IN NORTHWEST WISCONSIN...
ST. CROIX COUNTY IN WEST CENTRAL WISCONSIN...
WESTERN RUSK COUNTY IN NORTHWEST WISCONSIN...
* UNTIL 800 PM CDT
* AT 355 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH HEAVY RAINFALL ACROSS THE ADVISORY AREA. DOPPLER
RADAR ESTIMATED 1 TO 2 INCHES OF RAIN HAVE ALREADY FALLEN OVER
THOSE AREAS SEEING THUNDERSTORMS. RAINFALL RATES WILL RANGE FROM
1 TO 2 INCHES AN HOUR AND WILL CAUSE RAPID RUNOFF.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE MINOR FLOODING TO
OCCUR...ESPECIALLY ALONG SMALL STREAMS AND NEAR LOW WATER
CROSSINGS. SOME LOCATIONS THAT WILL EXPERIENCE MINOR FLOODING
INCLUDE...CONNORSVILLE...AMERY...DURAND...ELLSWORTH...
MENOMONIE...NEW RICHMOND...RICE LAKE...RIVER FALLS...ARKANSAW...
BALDWIN...BARRON...BARRONETT...BAY CITY...BELDENVILLE...
BOYCEVILLE...BRILL...BRUCE...BURKHARDT...CAMERON...CANTON...
CARYVILLE...CHETEK...CLEAR LAKE...COLFAX...COMSTOCK...CUMBERLAND...
CYLON...DEER PARK...EAU GALLE AND ELK MOUND.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.
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 4530 9138 4529 9154 4521 9155 4520 9167
4460 9167 4458 9202 4441 9210 4451 9230
4456 9233 4456 9240 4474 9278 4492 9275
4498 9277 4564 9214 4565 9110
$$
DWEThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 4:08 PM CDT | Severe Thunderstorm Warning | MPX | Dunn, Pepin, Pierce, Saint Croix | 52 min |
| Jun 20, 4:34 PM CDT | Areal Flood Advisory | MPX | Chippewa, Eau Claire, Rusk | 3 hr |
| Jun 20, 4:46 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Dunn, Eau Claire | 44 min |
| Jun 20, 5:03 PM CDT | Special Weather Statement | MPX | Rusk | 42 min |
| Jun 20, 5:11 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Rusk | 34 min |
| Jun 20, 5:31 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Eau Claire | 44 min |
Nearby
Areal Flood Advisories in Wisconsin, 2012Every areal flood advisory in 2012
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.