Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 114, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 1, 2011, 9:30 PM CDT for 6 counties in Wisconsin. It was in force for 75 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
- Jul 1, 2011, 9:30 PM CDT (02:30 UTC)
- Expired
- Jul 1, 2011, 10:45 PM CDT
- In force
- 75 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 70.0 mph
Counties Barron County, WI, Chippewa County, WI, Dunn County, WI, Eau Claire County, WI, Pepin County, WI, Rusk County, WI
The radar
The La Crosse radar (KARX), 132 km from the middle of the area, began a volume at 02:32 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 1, 9:30 PM CDT | TSTM WND DMG | Eau Galle, WI | TREE DOWN ACROSS ROAD. |
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 |
|---|---|---|---|
| Jul 1, 2:08 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 2.5 hours before the alert went out and 150 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
- 4059 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 1509 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 178 m²/s²
- 0-3 km storm-relative helicity
- 202 m²/s²
- Significant tornado parameter
- 2.5
- Supercell composite
- 20.8
The text
As transmitted, in the capitals the NWS used until 2016.
251
WUUS53 KMPX 020230
SVRMPX
WIC005-017-033-035-091-107-020345-
/O.NEW.KMPX.SV.W.0114.110702T0230Z-110702T0345Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
930 PM CDT FRI JUL 1 2011
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
BARRON COUNTY IN NORTHWEST WISCONSIN...
CHIPPEWA COUNTY IN WEST CENTRAL WISCONSIN...
DUNN COUNTY IN WEST CENTRAL WISCONSIN...
EAU CLAIRE COUNTY IN WEST CENTRAL WISCONSIN...
PEPIN COUNTY IN WEST CENTRAL WISCONSIN...
RUSK COUNTY IN NORTHWEST WISCONSIN...
* UNTIL 1045 PM CDT
* AT 925 PM 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 5 MILES SOUTHEAST
OF CLAM FALLS TO 5 MILES SOUTHWEST OF RIDGELAND TO PEPIN...AND
MOVING EAST AT 50 MPH.
LOCATIONS IN THE WARNING INCLUDE...
MENOMONIE...
DURAND...
RICE LAKE...
EAU CLAIRE...
CHIPPEWA FALLS...
LADYSMITH...
RIDGELAND...
PORCUPINE...
PEPIN...
COMSTOCK...
PRAIRIE FARM...
BOYCEVILLE...
KNAPP...
TURTLE LAKE...
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. EVACUATE
MOBILE HOMES AS THEY MAY BE OVERTURNED. SEEK SHELTER NOW INSIDE A
STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
&&
LAT...LON 4537 9091 4460 9091 4459 9201 4441 9207
4443 9223 4446 9225 4454 9223 4454 9214
4482 9214 4512 9204 4540 9217 4565 9215
4564 9068 4538 9067
TIME...MOT...LOC 0230Z 257DEG 45KT 4567 9211 4515 9187
4440 9212
WIND...HAIL 70MPH <.75IN
$$
JC2 follow-up statements
305
WWUS53 KMPX 020318
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1018 PM CDT FRI JUL 1 2011
WIC005-017-033-035-091-107-020345-
/O.CON.KMPX.SV.W.0114.000000T0000Z-110702T0345Z/
BARRON WI-CHIPPEWA WI-DUNN WI-EAU CLAIRE WI-PEPIN WI-RUSK WI-
1018 PM CDT FRI JUL 1 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR RUSK AND
BARRON COUNTIES IN NORTHWEST WISCONSIN...AND PEPIN...EAU CLAIRE...
DUNN AND CHIPPEWA COUNTIES IN WEST CENTRAL WISCONSIN UNTIL 1045 PM
CDT...
AT 1015 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS IN EXCESS
OF 70 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM
RESERVE TO HOLCOMBE TO STRUM...MOVING EAST AT 50 MPH.
LOCATIONS IMPACTED INCLUDE...
LADYSMITH...CONRATH...LUDINGTON...SHELDON...TONY...BOYD...GLEN
FLORA...STANLEY...FAIRCHILD...HAWKINS...AUGUSTA AND INGRAM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS SITUATION. IF YOU ARE IN THE PATH OF THIS
STORM...PREPARE IMMEDIATELY FOR DESTRUCTIVE WINDS...WHICH CAN UPROOT
TREES...DOWN POWER LINES...AND CAUSE DAMAGE TO WINDOWS. EVACUATE
MOBILE HOMES AS THEY MAY BE OVERTURNED. SEEK SHELTER NOW INSIDE A
STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
&&
LAT...LON 4537 9091 4460 9091 4459 9201 4441 9207
4443 9223 4446 9225 4454 9223 4454 9214
4482 9214 4512 9204 4540 9217 4565 9215
4564 9068 4538 9067
TIME...MOT...LOC 0317Z 256DEG 42KT 4580 9128 4528 9105
4453 9132
WIND...HAIL 70MPH <.75IN
$$
JC797
WWUS53 KMPX 020341
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1041 PM CDT FRI JUL 1 2011
WIC005-017-033-035-091-107-020357-
/O.EXP.KMPX.SV.W.0114.000000T0000Z-110702T0345Z/
BARRON WI-CHIPPEWA WI-DUNN WI-EAU CLAIRE WI-PEPIN WI-RUSK WI-
1041 PM CDT FRI JUL 1 2011
...THE SEVERE THUNDERSTORM WARNING FOR RUSK AND BARRON COUNTIES IN
NORTHWEST WISCONSIN...AND PEPIN...EAU CLAIRE...DUNN AND CHIPPEWA
COUNTIES IN WEST CENTRAL WISCONSIN WILL EXPIRE AT 1045 PM CDT...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED AND MOVED
OUT OF THE WARNED AREA.
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 4537 9091 4460 9091 4459 9201 4441 9207
4443 9223 4446 9225 4454 9223 4454 9214
4482 9214 4512 9204 4540 9217 4565 9215
4564 9068 4538 9067
TIME...MOT...LOC 0342Z 256DEG 42KT 4586 9086 4534 9064
4459 9093
$$
JCThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 7:24 PM CDT | Severe Thunderstorm Warning | MPX | Barron, Polk, Saint Croix | 66 min |
| Jul 1, 8:27 PM CDT | Severe Thunderstorm Warning | MPX | Dunn, Pepin, Pierce, Saint Croix | 63 min |
| Jul 1, 8:31 PM CDT | Severe Thunderstorm Warning | MPX | Barron, Dunn, Polk, Saint Croix | 59 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.