Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 221, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 2, 2011, 5:29 AM CDT for 4 counties in Wisconsin. It was in force for 61 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 2, 2011, 5:29 AM CDT (10:29 UTC)
- Expired
- Aug 2, 2011, 6:30 AM CDT
- In force
- 61 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Barron County, WI, Chippewa County, WI, Dunn County, WI, Rusk County, WI
The radar
The La Crosse radar (KARX), 152 km from the middle of the area, began a volume at 10:30 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 2, 2:20 AM CDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Aug 2, 5:23 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 10.5 hours before the alert went out and 181 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
- 3 J/kg
- Mixed-layer CIN
- -595 J/kg
- Mixed-layer LCL
- 1515 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 308 m²/s²
- 0-3 km storm-relative helicity
- 808 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 9.9
The text
As transmitted, in the capitals the NWS used until 2016.
500
WUUS53 KMPX 021029
SVRMPX
WIC005-017-033-107-021130-
/O.NEW.KMPX.SV.W.0221.110802T1029Z-110802T1130Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
529 AM CDT TUE AUG 2 2011
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN 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 630 AM CDT
* AT 525 AM CDT...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS...
CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THESE
STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 6 MILES NORTH OF
WEYERHAEUSER TO CHETEK TO PRAIRIE FARM...AND MOVING SOUTHEAST AT 40
MPH.
LOCATIONS IN THE WARNING INCLUDE...
PRAIRIE FARM...
CHETEK...
RIDGELAND...
WEYERHAEUSER...
BRUCE...
ISLAND LAKE...
SAND CREEK...
NEW AUBURN...
BLOOMER...
HOLCOMBE...
SHELDON...
CORNELL...
EAGLETON...
JIM FALLS...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR
DAMAGING WINDS IN EXCESS OF 60 MPH. SEEK SHELTER NOW INSIDE A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS.
THESE STORMS HAVE A HISTORY OF PRODUCING DESTRUCTIVE WINDS. SEEK
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS!
&&
LAT...LON 4491 9126 4523 9204 4538 9164 4554 9142
4532 9091 4503 9092
TIME...MOT...LOC 1029Z 300DEG 35KT 4548 9139 4535 9158
4523 9193
WIND...HAIL 60MPH <.75IN
$$1 follow-up statement
800
WWUS53 KMPX 021058
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
558 AM CDT TUE AUG 2 2011
WIC005-021112-
/O.CAN.KMPX.SV.W.0221.000000T0000Z-110802T1130Z/
BARRON WI-
558 AM CDT TUE AUG 2 2011
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BARRON COUNTY IS
CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE
WARNED AREA.
LAT...LON 4491 9126 4514 9180 4521 9159 4521 9155
4523 9154 4526 9146 4544 9120 4532 9091
4503 9092
TIME...MOT...LOC 1057Z 300DEG 35KT 4536 9120 4523 9139
4511 9174
$$
WIC017-033-107-021130-
/O.CON.KMPX.SV.W.0221.000000T0000Z-110802T1130Z/
CHIPPEWA WI-DUNN WI-RUSK WI-
558 AM CDT TUE AUG 2 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL
RUSK...NORTHEASTERN DUNN AND CHIPPEWA COUNTIES UNTIL 630 AM CDT...
AT 553 AM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 6
MILES SOUTH OF BRUCE TO 6 MILES SOUTHWEST OF ISLAND LAKE TO 6 MILES
SOUTHWEST OF SAND CREEK...MOVING SOUTHEAST AT 40 MPH.
LOCATIONS IMPACTED INCLUDE...
BLOOMER...HOLCOMBE...SHELDON...CORNELL...EAGLETON...JIM FALLS...
BATEMAN AND CADOTT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...LARGE HAIL...AND DEADLY LIGHTNING. FOR YOUR PROTECTION MOVE TO
AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.
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 4491 9126 4514 9180 4521 9159 4521 9155
4523 9154 4526 9146 4544 9120 4532 9091
4503 9092
TIME...MOT...LOC 1057Z 300DEG 35KT 4536 9120 4523 9139
4511 9174
WIND...HAIL 60MPH <.75IN
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 9:09 PM CDT | Special Weather Statement | MPX | Barron, Chippewa | 81 min |
| Aug 1, 10:36 PM CDT | Special Weather Statement | MPX | Rusk | 54 min |
| Aug 2, 3:29 AM CDT | Special Weather Statement | MPX | Rusk | 46 min |
| Aug 2, 4:17 AM CDT | Special Weather Statement | MPX | Barron, Polk, Rusk | 58 min |
| Aug 2, 4:36 AM CDT | Severe Thunderstorm Warning | MPX | Barron, Polk, Rusk | 54 min |
| Aug 2, 4:44 AM CDT | Areal Flood Advisory | MPX | Barron, Chippewa, Dunn, Polk, Rusk | 6 hr |
| Aug 2, 8:31 AM CDT | Severe Thunderstorm Warning | MPX | Polk | 74 min |
| Aug 2, 9:13 AM CDT | Severe Thunderstorm Warning | MPX | Barron, Polk | 62 min |
| Aug 2, 9:42 AM CDT | Severe Thunderstorm Warning | MPX | Barron, Rusk | 93 min |
| Aug 2, 9:56 AM CDT | Flash Flood Warning | MPX | Barron, Rusk | 5 hr |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.