Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 152, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 12, 2017, 3:25 AM CDT for Chippewa County, Dunn County, Eau Claire County, Wisconsin. It was in force for 35 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
- Jul 12, 2017, 3:25 AM CDT (08:25 UTC)
- Expired
- Jul 12, 2017, 4:00 AM CDT
- In force
- 35 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Chippewa County, WI, Dunn County, WI, Eau Claire County, WI
The radar
The La Crosse radar (KARX), 130 km from the middle of the area, began a volume at 08:25 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 |
|---|---|---|---|
| Jul 11, 10:00 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 8.4 hours before the alert went out and 161 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
- 913 J/kg
- Mixed-layer CIN
- -179 J/kg
- Mixed-layer LCL
- 1279 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 86 m²/s²
- 0-3 km storm-relative helicity
- 202 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 4.0
The text
As transmitted.
121
WUUS53 KMPX 120825
SVRMPX
WIC017-033-035-120900-
/O.NEW.KMPX.SV.W.0152.170712T0825Z-170712T0900Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
325 AM CDT WED JUL 12 2017
The National Weather Service in The Twin Cities has issued a
* Severe Thunderstorm Warning for...
Dunn County in west central Wisconsin...
Southwestern Chippewa County in west central Wisconsin...
Northwestern Eau Claire County in west central Wisconsin...
* Until 400 AM CDT
* At 324 AM CDT, severe thunderstorms were located along a line
extending from near Sand Creek to Tainter Lake to near Weston,
moving southeast at 55 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Severe thunderstorms will be near,
Colfax around 330 AM CDT.
Bloomer and Elk Mound around 340 AM CDT.
Chippewa Falls and Lake Hallie around 345 AM CDT.
Eau Claire, Altoona and Lake Wissota around 350 AM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4516 9113 4478 9128 4466 9152 4482 9214
4521 9214
TIME...MOT...LOC 0824Z 293DEG 49KT 4519 9177 4501 9183 4488 9202
HAIL...<.75IN
WIND...60MPH
$$
BORGHOFF2 follow-up statements
226
WWUS53 KMPX 120845
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
345 AM CDT WED JUL 12 2017
WIC017-033-035-120900-
/O.CON.KMPX.SV.W.0152.000000T0000Z-170712T0900Z/
Dunn WI-Chippewa WI-Eau Claire WI-
345 AM CDT WED JUL 12 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 AM CDT
FOR SOUTHEASTERN DUNN...SOUTHWESTERN CHIPPEWA AND NORTHWESTERN EAU
CLAIRE COUNTIES...
At 344 AM CDT, severe thunderstorms were located along a line
extending from near Eagleton to near Tilden to near Altoona to Rock
Falls, moving east at 65 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
These severe storms will be near...
Lake Wissota around 350 AM CDT.
Cornell around 355 AM CDT.
Other locations impacted by these severe thunderstorms include
Caryville, Tilden, Rock Falls, Bateman, Eau Claire Airport, Jim
Falls, Eagleton and Seymour.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This is a DANGEROUS SITUATION. These storms have a history of
producing wind damage. SEEK SHELTER NOW inside a sturdy structure
and stay away from windows.
&&
LAT...LON 4516 9113 4478 9128 4466 9152 4476 9190
4501 9169 4519 9167
TIME...MOT...LOC 0844Z 282DEG 55KT 4512 9138 4499 9140 4479 9153 4473
9171
HAIL...<.75IN
WIND...60MPH
$$
BORGHOFF091
WWUS53 KMPX 120900
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
400 AM CDT WED JUL 12 2017
WIC017-033-035-120909-
/O.EXP.KMPX.SV.W.0152.000000T0000Z-170712T0900Z/
Dunn WI-Chippewa WI-Eau Claire WI-
400 AM CDT WED JUL 12 2017
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN DUNN...
SOUTHWESTERN CHIPPEWA AND NORTHWESTERN EAU CLAIRE COUNTIES WILL
EXPIRE AT 400 AM CDT...
The storms which prompted the warning have moved out of the area.
Therefore the warning will be allowed to expire. However gusty winds
are still possible with these thunderstorms.
A severe thunderstorm watch remains in effect until 600 AM CDT for
west central Wisconsin.
Remember, another Severe Thunderstorm Warning still remains in
effect for Eau Claire and Chippewa counties until 415 am.
LAT...LON 4516 9113 4478 9128 4466 9152 4476 9190
4501 9169 4519 9167
TIME...MOT...LOC 0859Z 293DEG 49KT 4505 9114 4492 9116 4472 9129 4466
9147
$$
BORGHOFFThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 12, 2:48 AM CDT | Severe Thunderstorm Warning | MPX | Pierce, Polk, Saint Croix | 27 min |
| Jul 12, 3:17 AM CDT | Severe Thunderstorm Warning | MPX | Barron, Polk | 43 min |
| Jul 12, 3:41 AM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Rusk | 38 min |
| Jul 12, 3:51 AM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Eau Claire | 24 min |
| Jul 12, 4:32 PM CDT | Special Weather Statement | MPX | Eau Claire | 28 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 2017Every severe thunderstorm warning in 2017
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.