Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 181, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 17, 2012, 11:53 PM CDT for Pierce County, Saint Croix County, Wisconsin. It was in force for 37 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
- Jun 17, 2012, 11:53 PM CDT (04:53 UTC)
- Expired
- Jun 18, 2012, 12:30 AM CDT
- In force
- 37 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Pierce County, WI, Saint Croix County, WI
The radar
The Minneapolis radar (KMPX), 76 km from the middle of the area, began a volume at 04:53 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 17, 7:57 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 4.9 hours before the alert went out and 79 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
- 1837 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 492 m²/s²
- 0-3 km storm-relative helicity
- 747 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
The text
As transmitted, in the capitals the NWS used until 2016.
956
WUUS53 KMPX 180453
SVRMPX
WIC093-109-180530-
/O.NEW.KMPX.SV.W.0181.120618T0453Z-120618T0530Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1153 PM CDT SUN JUN 17 2012
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN PIERCE COUNTY IN WEST CENTRAL WISCONSIN...
ST. CROIX COUNTY IN WEST CENTRAL WISCONSIN...
* UNTIL 1230 AM CDT
* AT 1148 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 RIVER FALLS...AND MOVING EAST AT
45 MPH.
LOCATIONS IN THE WARNING INCLUDE...
RIVER FALLS...
ELLSWORTH...
PRESCOTT...
HUDSON...
BURKHARDT...
HOULTON...
ROBERTS...
BELDENVILLE...
HAMMOND...
MARTEL...
CYLON...
BALDWIN...
WOODVILLE...
FOREST...
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.
&&
LAT...LON 4466 9214 4474 9281 4478 9280 4484 9276
4490 9277 4492 9275 4495 9275 4497 9277
4504 9277 4519 9215
TIME...MOT...LOC 0453Z 275DEG 48KT 4482 9264
WIND...HAIL 60MPH 1.00IN
$$
JRB2 follow-up statements
802 WWUS53 KMPX 180507 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 1207 AM CDT MON JUN 18 2012 WIC093-109-180530- /O.CON.KMPX.SV.W.0181.000000T0000Z-120618T0530Z/ ST. CROIX WI-PIERCE WI- 1207 AM CDT MON JUN 18 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN PIERCE AND SOUTHEASTERN ST. CROIX COUNTIES UNTIL 1230 AM CDT... AT 1206 AM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS OF 60 MPH. THIS STORM WAS LOCATED NEAR MARTEL...OR 6 MILES NORTHEAST OF ELLSWORTH...MOVING EAST AT 55 MPH. LOCATIONS IMPACTED INCLUDE... WOODVILLE...FOREST...EMERALD...SPRING VALLEY...HERSEY...GLENWOOD CITY...WILSON AND ELMWOOD. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER HOUR...LARGE HAIL...AND DEADLY LIGHTNING. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. && LAT...LON 4473 9271 4509 9257 4519 9215 4466 9214 TIME...MOT...LOC 0508Z 275DEG 48KT 4480 9236 WIND...HAIL 60MPH 1.00IN $$ JRB
497 WWUS53 KMPX 180522 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 1222 AM CDT MON JUN 18 2012 WIC093-109-180538- /O.EXP.KMPX.SV.W.0181.000000T0000Z-120618T0530Z/ ST. CROIX WI-PIERCE WI- 1222 AM CDT MON JUN 18 2012 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN PIERCE AND SOUTHEASTERN ST. CROIX COUNTIES WILL EXPIRE AT 1230 AM CDT... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY...HOWEVER GUSTY WINDS AND HEAVY RAIN ARE STILL POSSIBLE WITH THIS THUNDERSTORM. LAT...LON 4473 9271 4509 9257 4519 9215 4466 9214 TIME...MOT...LOC 0523Z 275DEG 48KT 4478 9208 $$ JRB
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 12:25 AM CDT | Areal Flood Advisory | MPX | Barron, Chippewa, Dunn, Eau Claire, Pepin, Pierce and 2 more | 4 hr |
| Jun 18, 12:26 AM CDT | Special Weather Statement | MPX | Dunn, Pepin, Pierce | 49 min |
| Jun 18, 4:31 PM CDT | Flash Flood Watch | MPX | Pierce, Polk, Saint Croix | 56 hr |
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.