Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 179, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 23, 2011, 10:59 PM CDT for Chippewa County, Wisconsin. It was in force for 61 min. 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
- Jul 23, 2011, 10:59 PM CDT (03:59 UTC)
- Expired
- Jul 24, 2011, 12:00 AM CDT
- In force
- 61 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 70.0 mph
County Chippewa County, WI
The radar
The La Crosse radar (KARX), 136 km from the middle of the area, began a volume at 04:03 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 23, 11:41 PM CDT | TSTM WND DMG | Cadott, WI | SCATTERED TREES DOWNED. ESTIMATED TIME. |
| Jul 23, 11:51 PM CDT | TSTM WND DMG | Stanley, WI | ROOF DAMAGE OCCURRED TO AN OLDER BUSINESS. AN 18 INCH DIAMETER TREE WAS DOWNED IN FANDRY PARK ON THE WEST SIDE OF TOWN. ESTIMATED TIME. |
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, 4.0 hours before the alert went out and 198 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
- 2128 J/kg
- Mixed-layer CIN
- -41 J/kg
- Mixed-layer LCL
- 814 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 94 m²/s²
- 0-3 km storm-relative helicity
- 212 m²/s²
- Significant tornado parameter
- 2.0
- Supercell composite
- 11.7
The text
As transmitted, in the capitals the NWS used until 2016.
066
WUUS53 KMPX 240359
SVRMPX
WIC017-240500-
/O.NEW.KMPX.SV.W.0179.110724T0359Z-110724T0500Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1059 PM CDT SAT JUL 23 2011
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN CHIPPEWA COUNTY IN WEST CENTRAL WISCONSIN...
* UNTIL MIDNIGHT CDT
* AT 1055 PM CDT...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS...
CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DESTRUCTIVE WINDS IN
EXCESS OF 70 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM 6 MILES SOUTHEAST OF ISLAND LAKE TO BLOOMER...AND MOVING
SOUTHEAST AT 35 MPH.
LOCATIONS IN THE WARNING INCLUDE...
EAGLETON...
CORNELL...
JIM FALLS...
LAKE WISSOTA...
BATEMAN...
CADOTT...
BOYD...
STANLEY...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS SITUATION. IF YOU ARE IN THE PATH OF THIS
STORM...PREPARE IMMEDIATELY FOR DESTRUCTIVE WINDS...WHICH CAN UPROOT
TREES...DOWN POWER LINES...AND CAUSE DAMAGE TO ROOFS AND WINDOWS.
EVACUATE MOBILE HOMES AS THEY MAY BE OVERTURNED. LARGE HAIL IS ALSO
EXPECTED...WHICH CAN CAUSE DAMAGE TO VEHICLES AND WINDOWS. SEEK
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
REPORT ANY SIGNIFICANT WIND OR HAIL DAMAGE TO THE NEAREST LAW
ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER SERVICE.
&&
LAT...LON 4486 9091 4486 9125 4505 9149 4513 9123
4527 9100 4526 9092
TIME...MOT...LOC 0359Z 321DEG 32KT 4523 9123 4508 9151
WIND...HAIL 70MPH 1.00IN
$$2 follow-up statements
240
WWUS53 KMPX 240429
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1129 PM CDT SAT JUL 23 2011
WIC017-240500-
/O.CON.KMPX.SV.W.0179.000000T0000Z-110724T0500Z/
CHIPPEWA WI-
1129 PM CDT SAT JUL 23 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
CHIPPEWA COUNTY UNTIL MIDNIGHT CDT...
AT 1129 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS IN EXCESS
OF 70 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM
NEAR CORNELL TO LAKE WISSOTA...MOVING SOUTHEAST AT 40 MPH. NICKEL
SIZE HAIL MAY ALSO ACCOMPANY THESE DAMAGING WINDS.
LOCATIONS IMPACTED INCLUDE...
CADOTT...BOYD AND STANLEY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS SITUATION. IF YOU ARE IN THE PATH OF THIS
STORM...PREPARE IMMEDIATELY FOR DESTRUCTIVE WINDS...WHICH CAN UPROOT
TREES...DOWN POWER LINES...AND CAUSE DAMAGE TO ROOFS AND WINDOWS.
EVACUATE MOBILE HOMES AS THEY MAY BE OVERTURNED. HAIL IS ALSO
EXPECTED...WHICH CAN CAUSE DAMAGE TO VEHICLES AND WINDOWS. SEEK
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN THE TWIN CITIES.
&&
LAT...LON 4502 9145 4511 9122 4526 9092 4486 9091
4486 9125
TIME...MOT...LOC 0429Z 319DEG 33KT 4507 9102 4493 9130
WIND...HAIL 70MPH 0.88IN
$$648 WWUS53 KMPX 240452 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 1152 PM CDT SAT JUL 23 2011 WIC017-240500- /O.CON.KMPX.SV.W.0179.000000T0000Z-110724T0500Z/ CHIPPEWA WI- 1152 PM CDT SAT JUL 23 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN CHIPPEWA COUNTY UNTIL MIDNIGHT CDT... AT 1152 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM STANLEY TO LUDINGTON...MOVING SOUTHEAST AT 30 MPH. LOCATIONS IMPACTED INCLUDE... MAINLY RURAL AREAS OF SOUTHEASTERN CHIPPEWA COUNTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES. && LAT...LON 4495 9136 4504 9091 4486 9091 4486 9125 TIME...MOT...LOC 0452Z 316DEG 27KT 4498 9090 4483 9118 WIND...HAIL 60MPH 1.00IN $$
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 10:29 PM CDT | Severe Thunderstorm Warning | MPX | Barron, Chippewa, Dunn, Rusk | 46 min |
| Jul 23, 10:40 PM CDT | Areal Flood Advisory | MPX | Barron, Chippewa, Dunn, Rusk | 2 hr |
| Jul 23, 10:40 PM CDT | Special Weather Statement | MPX | Pierce | 50 min |
| Jul 23, 10:42 PM CDT | Severe Thunderstorm Warning | MPX | Pierce | 48 min |
| Jul 23, 11:14 PM CDT | Severe Thunderstorm Warning | MPX | Saint Croix | 24 min |
| Jul 23, 11:22 PM CDT | Severe Thunderstorm Warning | MPX | Dunn | 53 min |
| Jul 23, 11:50 PM CDT | Severe Thunderstorm Warning | MPX | Eau Claire | 40 min |
| Jul 24, 12:10 AM CDT | Special Weather Statement | MPX | Eau Claire | 50 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 2011Every severe thunderstorm 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.