Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 181, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 23, 2011, 11:22 PM CDT for Dunn County, Wisconsin. It was in force for 53 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 23, 2011, 11:22 PM CDT (04:22 UTC)
- Expired
- Jul 24, 2011, 12:15 AM CDT
- In force
- 53 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 70.0 mph
County Dunn County, WI
The radar
The Minneapolis radar (KMPX), 128 km from the middle of the area, began a volume at 04:22 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, 11:45 PM CDT | TSTM WND DMG | 6 S Menomonie, WI | TREES DOWNED IN DUNN TOWNSHIP. LOCATION AND TIME ESTIMATED. |
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, 4.4 hours before the alert went out and 131 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.
208 WUUS53 KMPX 240422 SVRMPX WIC033-240515- /O.NEW.KMPX.SV.W.0181.110724T0422Z-110724T0515Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 1122 PM CDT SAT JUL 23 2011 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL DUNN COUNTY IN WEST CENTRAL WISCONSIN... * UNTIL 1215 AM CDT * AT 1123 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. THIS STORM WAS LOCATED NEAR SPRING VALLEY...OR ABOUT 15 MILES NORTHEAST OF ELLSWORTH...AND MOVING EAST AT 40 MPH. LOCATIONS IN THE WARNING INCLUDE... MENOMONIE... KNAPP... TAINTER LAKE... ELK MOUND... COLFAX... INTERSTATE 94... 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 4474 9213 4499 9214 4510 9165 4478 9165 TIME...MOT...LOC 0423Z 251DEG 35KT 4488 9217 WIND...HAIL 70MPH 1.00IN $$
2 follow-up statements
682
WWUS53 KMPX 240456
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1156 PM CDT SAT JUL 23 2011
WIC033-240515-
/O.CON.KMPX.SV.W.0181.000000T0000Z-110724T0515Z/
DUNN WI-
1156 PM CDT SAT JUL 23 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EAST CENTRAL
DUNN COUNTY UNTIL 1215 AM CDT...
AT 1155 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING
WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR ELK MOUND...
OR 9 MILES EAST OF MENOMONIE...MOVING EAST AT 55 MPH.
LOCATIONS IMPACTED INCLUDE...
ELK MOUND...COLFAX...AND INTERSTATE 94.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN THE TWIN CITIES.
&&
LAT...LON 4478 9165 4476 9192 4495 9191 4502 9166
4493 9164
TIME...MOT...LOC 0456Z 256DEG 47KT 4487 9172
WIND...HAIL 60MPH 1.00IN
$$562
WWUS53 KMPX 240510
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1210 AM CDT SUN JUL 24 2011
WIC033-240525-
/O.EXP.KMPX.SV.W.0181.000000T0000Z-110724T0515Z/
DUNN WI-
1210 AM CDT SUN JUL 24 2011
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL DUNN COUNTY WILL
EXPIRE AT 1215 AM CDT...
THE STORM WHICH PROMPTED THE WARNING HAS 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 4478 9165 4476 9192 4495 9191 4502 9166
4493 9164
TIME...MOT...LOC 0510Z 256DEG 47KT 4491 9147
$$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, 10:59 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa | 61 min |
| Jul 23, 11:14 PM CDT | Severe Thunderstorm Warning | MPX | Saint Croix | 24 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.