Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 47, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at May 3, 2012, 6:51 PM CDT for Dunn County, Pierce County, Wisconsin. It was in force for 24 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
- May 3, 2012, 6:51 PM CDT (23:51 UTC)
- Expired
- May 3, 2012, 7:15 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, Pierce County, WI
The radar
The Minneapolis radar (KMPX), 118 km from the middle of the area, began a volume at 23:52 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 nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 11.9 hours before the alert went out and 121 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
- 1755 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 521 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 33 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
494 WUUS53 KMPX 032351 SVRMPX WIC033-093-040015- /O.NEW.KMPX.SV.W.0047.120503T2351Z-120504T0015Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 651 PM CDT THU MAY 3 2012 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHWESTERN DUNN COUNTY IN WEST CENTRAL WISCONSIN... NORTHEASTERN PIERCE COUNTY IN WEST CENTRAL WISCONSIN... * UNTIL 715 PM CDT * AT 648 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED NEAR ELMWOOD... OR ABOUT 12 MILES SOUTHWEST OF MENOMONIE...AND MOVING EAST AT 20 MPH. LOCATIONS IN THE WARNING INCLUDE... ELMWOOD... EAU GALLE... 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. && LAT...LON 4468 9196 4468 9245 4485 9220 4486 9179 TIME...MOT...LOC 2351Z 286DEG 16KT 4481 9212 WIND...HAIL <50MPH 1.00IN $$
1 follow-up statement
043 WWUS53 KMPX 040013 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 713 PM CDT THU MAY 3 2012 WIC033-093-040028- /O.EXP.KMPX.SV.W.0047.000000T0000Z-120504T0015Z/ DUNN WI-PIERCE WI- 713 PM CDT THU MAY 3 2012 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN PIERCE AND SOUTHWESTERN DUNN COUNTIES WILL EXPIRE AT 715 PM CDT... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY. LAT...LON 4468 9196 4468 9245 4485 9220 4486 9179 TIME...MOT...LOC 0013Z 286DEG 16KT 4478 9199 $$
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 2, 8:46 PM CDT | Severe Thunderstorm Warning | MPX | Pepin | 29 min |
| May 2, 9:50 PM CDT | Special Weather Statement | MPX | Eau Claire | 40 min |
| May 3, 3:37 AM CDT | Special Weather Statement | MPX | Polk | 38 min |
| May 3, 3:51 AM CDT | Special Weather Statement | MPX | Barron, Polk | 39 min |
| May 3, 5:14 AM CDT | Special Weather Statement | MPX | Chippewa, Rusk | 46 min |
| May 3, 9:37 AM CDT | Special Weather Statement | MPX | Polk | 38 min |
| May 3, 10:22 AM CDT | Severe Thunderstorm Warning | MPX | Pierce, Saint Croix | 56 min |
| May 3, 10:36 AM CDT | Severe Thunderstorm Warning | MPX | Saint Croix | 30 min |
| May 3, 10:45 AM CDT | Special Weather Statement | MPX | Polk | 45 min |
| May 3, 10:59 AM CDT | Special Weather Statement | MPX | Barron, Dunn, Pepin, Pierce, Saint Croix | 61 min |
| May 3, 11:14 AM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Dunn, Saint Croix | 61 min |
| May 3, 12:09 PM CDT | Special Weather Statement | MPX | Chippewa, Eau Claire | 66 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.