Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 92, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 28, 2017, 4:23 PM CDT for Pierce County, Saint Croix County, Wisconsin. It was in force for 40 min. 5 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
- Jun 28, 2017, 4:23 PM CDT (21:23 UTC)
- Expired
- Jun 28, 2017, 5:03 PM CDT
- In force
- 40 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 1.25 in
- Wind
- 60.0 mph
Counties Pierce County, WI, Saint Croix County, WI
The radar
The Minneapolis radar (KMPX), 93 km from the middle of the area, began a volume at 21:23 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 |
|---|---|---|---|
| Jun 28, 4:25 PM CDT | TORNADO | 6 N Ellsworth, WI | *** 1 INJ *** TREES WERE UPROOTED AND SNAPPED ALONG THE DAMAGE PATH FROM 6 N ELLSWORTH TO 2 SSE SPRING VALLEY. SEVERAL HOMES HAD ROOF DAMAGE, AND ONE TRUCK WAS PUSHED OUT OF THE GARAGE AND FLIPPED ONTO THE FRONT YARD. MAXIMUM WIND SPEED 105 MPH, DAMAGE LENGTH |
| Jun 28, 4:25 PM CDT | TORNADO | 6 N Ellsworth, WI | *** 1 INJ *** TREES WERE UPROOTED AND SNAPPED ALONG THE DAMAGE PATH FROM 6 N ELLSWORTH TO 2 SSW SPRING VALLEY. SEVERAL HOMES HAD ROOF DAMAGE, AND ONE TRUCK WAS PUSHED OUT OF THE GARAGE AND FLIPPED ONTO THE FRONT YARD. MAXIMUM WIND SPEED 105 MPH, DAMAGE LENGTH |
| Jun 28, 4:31 PM CDT | TORNADO | 6 Nne Ellsworth, WI | 0.25 MILE SOUTH OF 650TH STREET AND 780TH AVE...HALF A HOME DESTROYED...TREES DOWN. |
| Jun 28, 4:44 PM CDT | TORNADO | 4 Wsw Spring Valley, WI | CORRECTED AMENDED UPDATED...MULTIPLE TREES AND POWER LINES DOWN...SIGNIFICANT DAMAGE TO HOUSES. |
| Jun 28, 4:44 PM CDT | TORNADO | 4 Wsw Spring Valley, WI |
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 |
|---|---|---|---|
| Jun 28, 4:09 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 9.4 hours before the alert went out and 95 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
- 6 J/kg
- Mixed-layer CIN
- -111 J/kg
- Mixed-layer LCL
- 537 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 511 m²/s²
- 0-3 km storm-relative helicity
- 568 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
659
WUUS53 KMPX 282123
SVRMPX
WIC093-109-282215-
/O.NEW.KMPX.SV.W.0092.170628T2123Z-170628T2215Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
423 PM CDT WED JUN 28 2017
The National Weather Service in The Twin Cities has issued a
* Severe Thunderstorm Warning for...
Northeastern Pierce County in west central Wisconsin...
Southeastern St. Croix County in west central Wisconsin...
* Until 515 PM CDT
* At 423 PM CDT, a severe thunderstorm was located near River Falls,
moving east at 35 mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* This severe thunderstorm will be near,
Baldwin around 440 PM CDT.
Woodville around 445 PM CDT.
Other locations impacted by this severe thunderstorm include Martel,
Wilson and Hersey.
This includes Interstate 94 in Wisconsin between mile markers 15 and
31.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
A tornado watch remains in effect until 1000 PM CDT for west central
Wisconsin.
LAT...LON 4480 9254 4491 9260 4503 9214 4482 9214
TIME...MOT...LOC 2123Z 251DEG 29KT 4485 9252
TORNADO...POSSIBLE
HAIL...1.25IN
WIND...60MPH
$$1 follow-up statement
378
WWUS53 KMPX 282203
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
503 PM CDT WED JUN 28 2017
WIC093-109-282212-
/O.CAN.KMPX.SV.W.0092.000000T0000Z-170628T2215Z/
Pierce WI-St. Croix WI-
503 PM CDT WED JUN 28 2017
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN PIERCE AND
SOUTHEASTERN ST. CROIX COUNTIES IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled.
A severe thunderstorm warning remains in effect for southeast Pierce
county.
A tornado watch remains in effect until 1000 PM CDT for west central
Wisconsin.
LAT...LON 4480 9254 4491 9260 4503 9214 4482 9214
TIME...MOT...LOC 2201Z 251DEG 29KT 4495 9209
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 28, 2:41 PM CDT | Special Weather Statement | MPX | Pierce | 34 min |
| Jun 28, 4:06 PM CDT | Severe Thunderstorm Warning | MPX | Pierce | 24 min |
| Jun 28, 4:12 PM CDT | Special Weather Statement | MPX | Saint Croix | 33 min |
| Jun 28, 4:30 PM CDT | Tornado Warning | MPX | Pierce, Saint Croix | 32 min |
| Jun 28, 4:59 PM CDT | Severe Thunderstorm Warning | MPX | Dunn, Pepin, Pierce | 46 min |
| Jun 28, 5:12 PM CDT | Special Weather Statement | MPX | Saint Croix | 63 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.