Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 87, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at May 24, 2012, 4:03 PM CDT for 4 counties in Wisconsin. It was in force for 57 min. 8 reports 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
- May 24, 2012, 4:03 PM CDT (21:03 UTC)
- Expired
- May 24, 2012, 5:00 PM CDT
- In force
- 57 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Chippewa County, WI, Dunn County, WI, Eau Claire County, WI, Pepin County, WI
The radar
The La Crosse radar (KARX), 119 km from the middle of the area, began a volume at 21:04 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 |
|---|---|---|---|
| May 24, 4:20 PM CDT | HAIL 0.88 | 1 S Bloomer, WI | |
| May 24, 4:30 PM CDT | TSTM WND DMG | 1 W Chippewa Falls, WI | SEVERAL 14 INCH DIAMETER TREES BLOWN DOWN. |
| May 24, 4:30 PM CDT | TSTM WND DMG | 2 N Eau Claire, WI | TREES DOWN...ONE OVER 3 FEET IN DIAMETER. SOME TREES DOWN ON BUILDINGS CAUSING STRUCTURAL DAMAGE. RV FLIPPED OVER AND MULTIPLE POWER LINES DOWN. TIME APPROXIMATE. |
| May 24, 4:30 PM CDT | TSTM WND DMG | 3 N Eau Claire, WI | 10 TO 12 INCH DIAMETER TREES DOWN NEAR THE EAU CLAIRE AIRPORT. |
| May 24, 4:30 PM CDT | TSTM WND DMG | 5 Sw Chippewa Falls, WI | 26TH AVE AND 115TH STREET VILLAGE OF LAKE HALLIE, LARGE DIAMETER TREES UPROOTED AND BROKEN. TREES ON HOUSES AND ROADS FROM 20TH AVE TO 35TH AVE ALONG 115TH STREET TO 130TH STREET. |
| May 24, 4:30 PM CDT | TSTM WND DMG | 6 Wsw Chippewa Falls, WI | MULTIPLE REPORTS OF TREES DOWN FROM CHIPPEWA FALLS TO THE NORTH SIDE OF EAU CLAIRE. TIME APPROXIMATE. |
| May 24, 4:30 PM CDT | TSTM WND DMG | Eau Claire, WI | 200 FT RADIO TOWER FOR WBIZ AM COLLASPED. TIME APPROXIMATE |
| May 24, 4:45 PM CDT | TSTM WND DMG | Chippewa Falls, WI | NUMEROUS 18 TO 24 INCH DIAMETER TREES UPROOTED. |
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 |
|---|---|---|---|
| May 24, 2:22 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 9.1 hours before the alert went out and 166 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
- 13 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 668 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 6 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
808
WUUS53 KMPX 242103
SVRMPX
WIC017-033-035-091-242200-
/O.NEW.KMPX.SV.W.0087.120524T2103Z-120524T2200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
403 PM CDT THU MAY 24 2012
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CHIPPEWA COUNTY IN WEST CENTRAL WISCONSIN...
SOUTHEASTERN DUNN COUNTY IN WEST CENTRAL WISCONSIN...
WESTERN EAU CLAIRE COUNTY IN WEST CENTRAL WISCONSIN...
NORTHEASTERN PEPIN COUNTY IN WEST CENTRAL WISCONSIN...
* UNTIL 500 PM CDT
* AT 358 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF
PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS OF 60 MPH. THIS
STORM WAS LOCATED 6 MILES WEST OF MONDOVI...AND MOVING NORTHEAST AT
70 MPH.
LOCATIONS IN THE WARNING INCLUDE...
EAU CLAIRE...
CHIPPEWA FALLS...
ROCK FALLS...
CARYVILLE...
ALTOONA...
LAKE HALLIE...
LAKE WISSOTA...
BATEMAN...
CADOTT...
BLOOMER...
EAGLETON...
JIM FALLS...
CORNELL...
HOLCOMBE...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR
DAMAGING WINDS IN EXCESS OF 60 MPH AND LARGE HAIL. SEEK SHELTER NOW
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT THURSDAY EVENING
FOR SOUTHEAST MINNESOTA AND NORTHWESTERN WISCONSIN.
&&
LAT...LON 4487 9117 4458 9157 4459 9191 4473 9188
4474 9180 4489 9166 4529 9143 4529 9091
TIME...MOT...LOC 2103Z 212DEG 61KT 4463 9173
WIND...HAIL 60MPH 1.00IN
$$2 follow-up statements
983
WWUS53 KMPX 242120
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
420 PM CDT THU MAY 24 2012
WIC033-091-242135-
/O.CAN.KMPX.SV.W.0087.000000T0000Z-120524T2200Z/
DUNN WI-PEPIN WI-
420 PM CDT THU MAY 24 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN PEPIN AND
SOUTHEASTERN DUNN COUNTIES IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.
LAT...LON 4487 9117 4458 9157 4459 9164 4466 9165
4466 9166 4491 9165 4529 9143 4529 9091
TIME...MOT...LOC 2120Z 212DEG 61KT 4487 9151
$$
WIC017-035-242200-
/O.CON.KMPX.SV.W.0087.000000T0000Z-120524T2200Z/
CHIPPEWA WI-EAU CLAIRE WI-
420 PM CDT THU MAY 24 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WESTERN EAU
CLAIRE AND CHIPPEWA COUNTIES IN WEST CENTRAL WISCONSIN UNTIL 500 PM
CDT...
AT 415 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS OF 60 MPH. THIS
STORM WAS LOCATED NEAR EAU CLAIRE...MOVING NORTHEAST AT 70 MPH. PENNY
SIZE HAIL MAY ALSO ACCOMPANY THESE DAMAGING WINDS.
LOCATIONS IMPACTED INCLUDE...
CHIPPEWA FALLS...LAKE HALLIE...LAKE WISSOTA...BATEMAN...CADOTT...
BLOOMER...EAGLETON...JIM FALLS...CORNELL AND HOLCOMBE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...HAIL...AND DEADLY LIGHTNING. FOR YOUR PROTECTION MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.
A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.
&&
LAT...LON 4487 9117 4458 9157 4459 9164 4466 9165
4466 9166 4491 9165 4529 9143 4529 9091
TIME...MOT...LOC 2120Z 212DEG 61KT 4487 9151
WIND...HAIL 60MPH 0.75IN
$$884
WWUS53 KMPX 242143
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
443 PM CDT THU MAY 24 2012
WIC035-242157-
/O.CAN.KMPX.SV.W.0087.000000T0000Z-120524T2200Z/
EAU CLAIRE WI-
443 PM CDT THU MAY 24 2012
...THE SEVERE THUNDERSTORM WARNING FOR WESTERN EAU CLAIRE COUNTY IN
WEST CENTRAL WISCONSIN IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.
LAT...LON 4486 9118 4486 9151 4502 9149 4529 9143
4529 9091
TIME...MOT...LOC 2142Z 214DEG 53KT 4509 9127
$$
WIC017-242200-
/O.CON.KMPX.SV.W.0087.000000T0000Z-120524T2200Z/
CHIPPEWA WI-
443 PM CDT THU MAY 24 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CHIPPEWA
COUNTY UNTIL 500 PM CDT...
AT 441 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS OF 60 MPH. THIS
STORM WAS LOCATED NEAR JIM FALLS...OR 11 MILES NORTHEAST OF CHIPPEWA
FALLS...MOVING NORTHEAST AT 60 MPH. PENNY SIZE HAIL MAY ALSO
ACCOMPANY THESE DAMAGING WINDS.
LOCATIONS IMPACTED INCLUDE...
CORNELL...JIM FALLS AND HOLCOMBE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...HAIL...AND DEADLY LIGHTNING. FOR YOUR PROTECTION MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.
A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.
&&
LAT...LON 4486 9118 4486 9151 4502 9149 4529 9143
4529 9091
TIME...MOT...LOC 2142Z 214DEG 53KT 4509 9127
WIND...HAIL 60MPH 0.75IN
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 24, 3:50 AM CDT | Wind Advisory | MPX | Chippewa, Eau Claire, Rusk | 14 hr |
| May 24, 8:17 AM CDT | Special Weather Statement | MPX | Barron, Chippewa, Dunn, Pepin, Rusk | 73 min |
| May 24, 8:57 AM CDT | Special Weather Statement | MPX | Saint Croix | 63 min |
| May 24, 10:41 AM CDT | Severe Thunderstorm Warning | MPX | Pierce | 27 min |
| May 24, 11:23 AM CDT | Special Weather Statement | MPX | Pierce | 52 min |
| May 24, 12:24 PM CDT | Special Weather Statement | MPX | Dunn | 51 min |
| May 24, 12:58 PM CDT | Special Weather Statement | MPX | Polk | 32 min |
| May 24, 1:32 PM CDT | Special Weather Statement | MPX | Chippewa, Rusk | 58 min |
| May 24, 2:14 PM CDT | Special Weather Statement | MPX | Pierce | 31 min |
| May 24, 3:06 PM CDT | Special Weather Statement | MPX | Barron, Dunn, Pepin | 54 min |
| May 24, 3:45 PM CDT | Severe Thunderstorm Warning | MPX | Dunn | 30 min |
| May 24, 4:13 PM CDT | Special Weather Statement | MPX | Rusk | 47 min |
| May 24, 4:55 PM CDT | Severe Thunderstorm Warning | MPX | Eau Claire | 35 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 2012Every severe thunderstorm warning in 2012
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.