Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 158, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Oct 3, 2018, 6:04 PM CDT for Dunn County, Pierce County, Saint Croix County, Wisconsin. It was in force for 41 min. 1 report 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
- Oct 3, 2018, 6:04 PM CDT (23:04 UTC)
- Expired
- Oct 3, 2018, 6:45 PM CDT
- In force
- 41 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Dunn County, WI, Pierce County, WI, Saint Croix County, WI
The radar
The Minneapolis radar (KMPX), 99 km from the middle of the area, began a volume at 23:03 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 |
|---|---|---|---|
| Oct 3, 6:45 PM CDT | TSTM WND DMG | 4 Ene Weston, WI | TREE DOWN ACROSS ROAD. |
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 |
|---|---|---|---|
| Oct 3, 3:31 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 11.1 hours before the alert went out and 102 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 545 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 425 m²/s²
- 0-3 km storm-relative helicity
- 413 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
369
WUUS53 KMPX 032304
SVRMPX
WIC033-093-109-032345-
/O.NEW.KMPX.SV.W.0158.181003T2304Z-181003T2345Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
604 PM CDT WED OCT 3 2018
The National Weather Service in The Twin Cities has issued a
* Severe Thunderstorm Warning for...
Pierce County in west central Wisconsin...
Southwestern Dunn County in west central Wisconsin...
Southeastern St. Croix County in west central Wisconsin...
* Until 645 PM CDT.
* At 604 PM CDT, a severe thunderstorm was located over River Falls,
moving east at 55 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Menomonie, River Falls, Ellsworth, Baldwin, Hammond, Woodville,
Elmwood, Plum City, Bay City, Knapp, El Paso and Weston.
This includes Interstate 94 in Wisconsin between mile markers 14 and
45.
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 1100 PM CDT for southeastern
Minnesota...and west central Wisconsin.
LAT...LON 4468 9203 4468 9214 4454 9214 4454 9232
4456 9234 4457 9255 4460 9256 4461 9260
4464 9262 4473 9276 4501 9242 4500 9180
TIME...MOT...LOC 2304Z 285DEG 48KT 4483 9264
HAIL...<.75IN
WIND...60MPH
$$
AMK1 follow-up statement
919
WWUS53 KMPX 032335
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
635 PM CDT WED OCT 3 2018
WIC033-093-109-032345-
/O.CON.KMPX.SV.W.0158.000000T0000Z-181003T2345Z/
Pierce WI-Dunn WI-St. Croix WI-
635 PM CDT WED OCT 3 2018
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM CDT
FOR PIERCE...SOUTHWESTERN DUNN AND SOUTHEASTERN ST. CROIX COUNTIES...
At 634 PM CDT, a severe thunderstorm was located near Eau Galle, or
14 miles southwest of Menomonie, moving east at 55 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Menomonie, Ellsworth, Woodville, Elmwood, Plum City, Bay City, Knapp,
El Paso, Weston, Wilson, Cedar Falls and Tainter Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
A Tornado Watch remains in effect until 1100 PM CDT for southeastern
Minnesota...and west central Wisconsin.
LAT...LON 4468 9203 4468 9214 4454 9214 4454 9232
4456 9234 4457 9255 4460 9256 4461 9260
4464 9262 4466 9262 4501 9221 4500 9180
TIME...MOT...LOC 2334Z 285DEG 48KT 4472 9208
HAIL...<.75IN
WIND...60MPH
$$
AMKThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 3, 5:37 PM CDT | Severe Thunderstorm Warning | MPX | Pierce, Saint Croix | 53 min |
| Oct 3, 6:06 PM CDT | Tornado Warning | MPX | Pierce, Saint Croix | 27 min |
| Oct 3, 6:44 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Dunn, Eau Claire, Pepin, Pierce | 46 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 2018Every severe thunderstorm warning in 2018
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.