Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 140, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 11, 2011, 12:12 AM CDT for Pepin County, Pierce County, Wisconsin. It was in force for 52 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
- Jul 11, 2011, 12:12 AM CDT (05:12 UTC)
- Expired
- Jul 11, 2011, 1:04 AM CDT
- In force
- 52 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 70.0 mph
Counties Pepin County, WI, Pierce County, WI
The radar
The La Crosse radar (KARX), 107 km from the middle of the area, began a volume at 05:13 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 |
|---|---|---|---|
| Jul 10, 10:10 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 5.2 hours before the alert went out and 126 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
- 1401 J/kg
- Mixed-layer CIN
- -78 J/kg
- Mixed-layer LCL
- 1316 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 15 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
507
WUUS53 KMPX 110512
SVRMPX
WIC091-093-110615-
/O.NEW.KMPX.SV.W.0140.110711T0512Z-110711T0615Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1212 AM CDT MON JUL 11 2011
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
PEPIN COUNTY IN WEST CENTRAL WISCONSIN...
SOUTHEASTERN PIERCE COUNTY IN WEST CENTRAL WISCONSIN...
* UNTIL 115 AM CDT
* AT 1209 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 HAGER CITY TO
BELLECHESTER...AND MOVING EAST AT 45 MPH.
LOCATIONS IN THE WARNING INCLUDE...
DURAND...
MAIDEN ROCK...
STOCKHOLM...
PLUM CITY...
PEPIN...
PORCUPINE...
ELLA...
ARKANSAW...
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.
REPORT ANY SIGNIFICANT WIND OR HAIL DAMAGE TO THE NEAREST LAW
ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER SERVICE.
&&
LAT...LON 4459 9201 4446 9205 4441 9209 4445 9225
4448 9229 4454 9232 4456 9239 4468 9244
4468 9165 4461 9164 4459 9165
TIME...MOT...LOC 0513Z 275DEG 38KT 4463 9249 4438 9248
WIND...HAIL 70MPH <.75IN
$$2 follow-up statements
290
WWUS53 KMPX 110544
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1244 AM CDT MON JUL 11 2011
WIC091-093-110615-
/O.CON.KMPX.SV.W.0140.000000T0000Z-110711T0615Z/
PEPIN WI-PIERCE WI-
1244 AM CDT MON JUL 11 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EXTREME
SOUTHEASTERN PIERCE AND PEPIN COUNTIES UNTIL 115 AM CDT...
AT 1241 AM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS IN EXCESS
OF 70 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM
ARKANSAW TO PEPIN...MOVING EAST AT 45 MPH.
LOCATIONS IMPACTED INCLUDE...
ARKANSAW... DURAND.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS SITUATION. IF YOU ARE IN THE PATH OF THIS
STORM...PREPARE IMMEDIATELY FOR DESTRUCTIVE WINDS...WHICH CAN UPROOT
TREES...DOWN POWER LINES...AND CAUSE DAMAGE TO WINDOWS. EVACUATE
MOBILE HOMES AS THEY MAY BE OVERTURNED. SEEK SHELTER NOW INSIDE A
STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN THE TWIN CITIES.
&&
LAT...LON 4459 9201 4446 9205 4441 9209 4443 9222
4446 9226 4462 9218 4468 9203 4468 9165
4467 9165 4459 9165
TIME...MOT...LOC 0544Z 275DEG 41KT 4465 9195 4445 9202
WIND...HAIL 70MPH <.75IN
$$805
WWUS53 KMPX 110604
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
104 AM CDT MON JUL 11 2011
WIC091-093-110619-
/O.CAN.KMPX.SV.W.0140.000000T0000Z-110711T0615Z/
PEPIN WI-PIERCE WI-
104 AM CDT MON JUL 11 2011
...THE SEVERE THUNDERSTORM WARNING FOR EXTREME SOUTHEASTERN PIERCE
AND PEPIN COUNTIES IS CANCELLED...
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 4459 9201 4446 9205 4441 9209 4443 9222
4446 9226 4462 9218 4468 9203 4468 9165
4467 9165 4459 9165
TIME...MOT...LOC 0604Z 275DEG 41KT 4463 9163 4443 9170
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 10:56 PM CDT | Special Weather Statement | MPX | Dunn, Pepin, Pierce, Saint Croix | 49 min |
| Jul 10, 11:39 PM CDT | Severe Thunderstorm Warning | MPX | Pierce | 51 min |
| Jul 10, 11:45 PM CDT | Severe Thunderstorm Warning | MPX | Dunn, Saint Croix | 60 min |
| Jul 11, 1:03 AM CDT | Special Weather Statement | MPX | Chippewa, Eau Claire | 42 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.