Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 96, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at May 26, 2012, 5:51 PM CDT for Dunn County, Eau Claire County, Pepin County, Wisconsin. It was in force for 24 min. 2 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 26, 2012, 5:51 PM CDT (22:51 UTC)
- Expired
- May 26, 2012, 6:15 PM CDT
- In force
- 24 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Dunn County, WI, Eau Claire County, WI, Pepin County, WI
The radar
The La Crosse radar (KARX), 105 km from the middle of the area, began a volume at 22:53 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 26, 5:55 PM CDT | HAIL 1.75 | 3 Ese Caryville, WI | GOLF BALL SIZED HAIL REPORTED IN BRUNSWICK. REPORT RELAYED VIA WARNING POINT. |
| May 26, 6:00 PM CDT | HAIL 1 | 5 E Caryville, WI |
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 12:00Z, 10.9 hours before the alert went out and 172 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 858 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 48 m²/s²
- 0-3 km storm-relative helicity
- 268 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
216 WUUS53 KMPX 262251 SVRMPX WIC033-035-091-262315- /O.NEW.KMPX.SV.W.0096.120526T2251Z-120526T2315Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 551 PM CDT SAT MAY 26 2012 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHEASTERN DUNN COUNTY IN WEST CENTRAL WISCONSIN... WESTERN EAU CLAIRE COUNTY IN WEST CENTRAL WISCONSIN... EXTREME NORTHEASTERN PEPIN COUNTY IN WEST CENTRAL WISCONSIN... * UNTIL 615 PM CDT * AT 548 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED NEAR ROCK FALLS...OR ABOUT 11 MILES NORTH OF MONDOVI...AND MOVING EAST AT 30 TO 35 MPH. LOCATIONS IN THE WARNING INCLUDE... EAU CLAIRE... ROCK FALLS... CARYVILLE... ALTOONA... BRACKETT... FALL CREEK... PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. THIS STORM HAS A HISTORY OF PRODUCING LARGE DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS! && LAT...LON 4485 9123 4462 9124 4463 9171 4482 9173 TIME...MOT...LOC 2251Z 270DEG 27KT 4472 9166 WIND...HAIL <50MPH 1.00IN $$ BAP
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 26, 2:15 PM CDT | Severe Thunderstorm Warning | MPX | Pepin, Pierce | 60 min |
| May 26, 3:09 PM CDT | Special Weather Statement | MPX | Pierce | 51 min |
| May 26, 3:19 PM CDT | Special Weather Statement | MPX | Pepin | 41 min |
| May 26, 3:33 PM CDT | Severe Thunderstorm Warning | MPX | Saint Croix | 57 min |
| May 26, 4:10 PM CDT | Severe Thunderstorm Warning | MPX | Dunn, Pierce, Saint Croix | 65 min |
| May 26, 5:09 PM CDT | Severe Thunderstorm Warning | MPX | Dunn, Eau Claire, Pepin, Pierce | 50 min |
| May 26, 6:14 PM CDT | Special Weather Statement | MPX | Eau Claire | 46 min |
| May 26, 6:45 PM CDT | Special Weather Statement | MPX | Barron | 60 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.