Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 229, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 2, 2011, 9:13 AM CDT for Barron County, Polk County, Wisconsin. It was in force for 62 min. 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
- Aug 2, 2011, 9:13 AM CDT (14:13 UTC)
- Expired
- Aug 2, 2011, 10:15 AM CDT
- In force
- 62 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 70.0 mph
Counties Barron County, WI, Polk County, WI
The radar
The Minneapolis radar (KMPX), 135 km from the middle of the area, began a volume at 14:14 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 |
|---|---|---|---|
| Aug 2, 10:02 AM CDT | TSTM WND DMG | 1 Wsw Brill, WI | NUMEROUS 1-3 INCH BRANCHES SNAPPED |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
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 12:00Z, 2.2 hours before the alert went out and 137 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
- 2133 J/kg
- Mixed-layer CIN
- -209 J/kg
- Mixed-layer LCL
- 850 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 233 m²/s²
- 0-3 km storm-relative helicity
- 194 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
167
WUUS53 KMPX 021413
SVRMPX
WIC005-095-021515-
/O.NEW.KMPX.SV.W.0229.110802T1413Z-110802T1515Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
913 AM CDT TUE AUG 2 2011
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN BARRON COUNTY IN NORTHWEST WISCONSIN...
EASTERN POLK COUNTY IN NORTHWEST WISCONSIN...
* UNTIL 1015 AM CDT
* AT 910 AM CDT...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 6 MILES SOUTHWEST
OF GRANTSBURG TO LUCK TO WANDEROOS...AND MOVING EAST AT 60 MPH.
PENNY SIZE HAIL MAY ALSO ACCOMPANY THESE DAMAGING WINDS.
LOCATIONS IN THE WARNING INCLUDE...
AMERY...
RICE LAKE...
FREDERIC...
LEWIS...
RANGE...
CLAM FALLS...
MCKINLEY...
TURTLE LAKE...
COMSTOCK...
CUMBERLAND...
BARRONETT...
BARRON...
HAUGEN...
CAMERON...
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.
HAIL IS ALSO EXPECTED...WHICH CAN CAUSE MINOR DAMAGE TO VEHICLES AND
WINDOWS. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY
FROM WINDOWS.
THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE
DAMAGING HAIL. 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 4529 9240 4554 9243 4574 9252 4574 9216
4565 9214 4565 9155 4537 9154
TIME...MOT...LOC 1412Z 253DEG 54KT 4575 9275 4561 9247
4532 9252
WIND...HAIL 70MPH 0.75IN
$$3 follow-up statements
694
WWUS53 KMPX 021430
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
930 AM CDT TUE AUG 2 2011
WIC005-095-021515-
/O.CON.KMPX.SV.W.0229.000000T0000Z-110802T1515Z/
BARRON WI-POLK WI-
930 AM CDT TUE AUG 2 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN POLK
AND NORTHERN BARRON COUNTIES UNTIL 1015 AM CDT...
AT 928 AM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS IN EXCESS
OF 70 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM
SIREN TO 7 MILES EAST OF CLAM FALLS TO AMERY...MOVING EAST AT 60 MPH.
LOCATIONS IMPACTED INCLUDE...
RICE LAKE...TURTLE LAKE...COMSTOCK...BARRONETT...CUMBERLAND...
HAUGEN...BARRON...CAMERON...BRILL...CANTON...MIKANA...JOEL...
CLAYTON...ALMENA AND SUMNER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS SITUATION. IF YOU ARE IN THE PATH OF THIS
STORM...PREPARE IMMEDIATELY FOR DESTRUCTIVE WINDS...WHICH CAN UPROOT
TREES...DOWN POWER LINES...AND CAUSE DAMAGE TO WINDOWS. SEEK SHELTER
NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
THIS STORM HAS A HISTORY OF PRODUCING WIDESPREAD WIND. THIS IS A
DANGEROUS SITUATION. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND
STAY AWAY FROM WINDOWS!
&&
LAT...LON 4529 9240 4554 9243 4574 9252 4574 9216
4565 9214 4565 9155 4537 9154
TIME...MOT...LOC 1430Z 253DEG 52KT 4582 9240 4568 9212
4532 9229
WIND...HAIL 70MPH <.75IN
$$157
WWUS53 KMPX 021447
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
947 AM CDT TUE AUG 2 2011
WIC005-095-021515-
/O.CON.KMPX.SV.W.0229.000000T0000Z-110802T1515Z/
BARRON WI-POLK WI-
947 AM CDT TUE AUG 2 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN POLK
AND NORTHERN BARRON COUNTIES UNTIL 1015 AM CDT...
...A SEPARATE SEVERE THUNDERSTORM WARNING IS IN EFFECT FOR EASTERN
AND SOUTHERN BARRON COUNTY UNTIL 1115 AM CDT...
AT 942 AM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS UP TO 70
MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 9 MILES
SOUTHEAST OF WEBSTER TO SHELL LAKE TO 5 MILES SOUTHEAST OF TURTLE
LAKE...MOVING EAST AT 55 MPH. PENNY SIZE HAIL MAY ALSO ACCOMPANY
THESE DAMAGING WINDS.
LOCATIONS IMPACTED INCLUDE...
RICE LAKE...HAUGEN...BARRON...BRILL...CAMERON...MIKANA...CANTON AND
SUMNER.
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.
HAIL IS ALSO POSSIBLE...WHICH CAN CAUSE DAMAGE TO VEHICLES AND
WINDOWS. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY
FROM WINDOWS.
THIS STORM HAS A HISTORY OF PRODUCING WIDESPREAD WIND DAMAGE... WITH
NUMEROUS TREES DOWNED. THIS IS A DANGEROUS SITUATION. SEEK SHELTER
NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS!
&&
LAT...LON 4529 9240 4554 9243 4574 9252 4574 9216
4565 9214 4565 9155 4537 9154
TIME...MOT...LOC 1446Z 256DEG 49KT 4584 9212 4570 9184
4534 9202
WIND...HAIL 70MPH 0.75IN
$$757
WWUS53 KMPX 021458
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
958 AM CDT TUE AUG 2 2011
WIC095-021512-
/O.CAN.KMPX.SV.W.0229.000000T0000Z-110802T1515Z/
POLK WI-
958 AM CDT TUE AUG 2 2011
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN POLK COUNTY IS
CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE
WARNED AREA.
LAT...LON 4537 9154 4531 9216 4565 9215 4565 9192
4564 9161 4565 9160 4565 9155
TIME...MOT...LOC 1457Z 256DEG 49KT 4588 9191 4573 9163
4537 9181
$$
WIC005-021515-
/O.CON.KMPX.SV.W.0229.000000T0000Z-110802T1515Z/
BARRON WI-
958 AM CDT TUE AUG 2 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN
BARRON COUNTY UNTIL 1015 AM CDT...
...A SEPARATE SEVERE THUNDERSTORM WARNING IS IN EFFECT FOR EASTERN
AND SOUTHERN BARRON COUNTY THROUGH 1115 AM CDT...
...A FLASH FLOOD WARNING IS ALSO IN EFFECT FOR BARRON COUNTY THROUGH
3 PM CDT...
AT 956 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
SPOONER TO 8 MILES EAST OF SARONA TO BARRON...MOVING EAST AT 55 MPH.
LOCATIONS IMPACTED INCLUDE...
BRILL...CAMERON...MIKANA...CANTON AND SUMNER.
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.
THESE STORMS HAVE A HISTORY OF PRODUCING WIDESPREAD WIND DAMAGE.
THIS IS AN EXTREMELY DANGEROUS SITUATION. SEEK SHELTER NOW INSIDE A
STURDY STRUCTURE AND STAY AWAY FROM WINDOWS!
&&
LAT...LON 4537 9154 4531 9216 4565 9215 4565 9192
4564 9161 4565 9160 4565 9155
TIME...MOT...LOC 1457Z 256DEG 49KT 4588 9191 4573 9163
4537 9181
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, 5:29 AM CDT | Severe Thunderstorm Warning | MPX | Barron, Chippewa, Dunn, Rusk | 61 min |
| Aug 2, 8:31 AM CDT | Severe Thunderstorm Warning | MPX | Polk | 74 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.