Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 159, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Oct 3, 2018, 6:44 PM CDT for 5 counties in Wisconsin. It was in force for 46 min. 3 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
- Oct 3, 2018, 6:44 PM CDT (23:44 UTC)
- Expired
- Oct 3, 2018, 7:30 PM CDT
- In force
- 46 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, Pepin County, WI, Pierce County, WI
The radar
The La Crosse radar (KARX), 106 km from the middle of the area, began a volume at 23:44 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. |
| Oct 3, 6:48 PM CDT | TSTM WND DMG | 5 Ene Downsville, WI | 10-20 TREES UPROOTED. |
| Oct 3, 6:50 PM CDT | TSTM WND DMG | 7 Sw Elk Mound, 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, 11.7 hours before the alert went out and 135 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.
564
WUUS53 KMPX 032344
SVRMPX
WIC017-033-035-091-093-040030-
/O.NEW.KMPX.SV.W.0159.181003T2344Z-181004T0030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
644 PM CDT WED OCT 3 2018
The National Weather Service in The Twin Cities has issued a
* Severe Thunderstorm Warning for...
Pepin County in west central Wisconsin...
Southeastern Pierce County in west central Wisconsin...
Southern Dunn County in west central Wisconsin...
Southwestern Chippewa County in west central Wisconsin...
Western Eau Claire County in west central Wisconsin...
* Until 730 PM CDT.
* At 644 PM CDT, a severe thunderstorm was located over Downsville,
or 10 miles south of Menomonie, moving east at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Eau Claire, Menomonie, Chippewa Falls, Altoona, Lake Hallie, Lake
Wissota, Durand, Colfax, Elk Mound, Pepin, Elmwood and Eau Galle.
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 4459 9140 4460 9196 4459 9197 4460 9200
4456 9204 4450 9205 4441 9209 4447 9227
4454 9231 4456 9235 4500 9192 4505 9121
TIME...MOT...LOC 2344Z 279DEG 45KT 4475 9195
HAIL...<.75IN
WIND...60MPH
$$
AMK2 follow-up statements
304
WWUS53 KMPX 040004
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
704 PM CDT WED OCT 3 2018
WIC017-033-035-091-093-040030-
/O.CON.KMPX.SV.W.0159.000000T0000Z-181004T0030Z/
Pepin WI-Pierce WI-Dunn WI-Chippewa WI-Eau Claire WI-
704 PM CDT WED OCT 3 2018
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT
FOR PEPIN...SOUTHEASTERN PIERCE...SOUTHEASTERN DUNN...SOUTHWESTERN
CHIPPEWA AND WESTERN EAU CLAIRE COUNTIES...
At 704 PM CDT, a severe thunderstorm was located near Rock Falls, or
10 miles north of Mondovi, moving east at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Eau Claire, Chippewa Falls, Altoona, Lake Hallie, Lake Wissota,
Durand, Elk Mound, Pepin, Eau Galle, Tilden, Rock Falls and
Caryville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
A Tornado Watch remains in effect until 1100 PM CDT for west central
Wisconsin.
LAT...LON 4459 9140 4460 9196 4459 9197 4460 9200
4456 9204 4450 9205 4441 9209 4452 9225
4463 9216 4502 9162 4505 9121
TIME...MOT...LOC 0004Z 279DEG 45KT 4471 9160
HAIL...<.75IN
WIND...60MPH
$$
AMK175
WWUS53 KMPX 040015
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
715 PM CDT WED OCT 3 2018
WIC093-040025-
/O.CAN.KMPX.SV.W.0159.000000T0000Z-181004T0030Z/
Pierce WI-
715 PM CDT WED OCT 3 2018
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN PIERCE COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 1100 PM CDT for west central
Wisconsin.
LAT...LON 4459 9140 4460 9168 4460 9196 4461 9195
4504 9136 4505 9121
TIME...MOT...LOC 0015Z 279DEG 45KT 4469 9141
$$
WIC017-033-035-091-040030-
/O.CON.KMPX.SV.W.0159.000000T0000Z-181004T0030Z/
Pepin WI-Dunn WI-Chippewa WI-Eau Claire WI-
715 PM CDT WED OCT 3 2018
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT
FOR NORTHEASTERN PEPIN...SOUTHEASTERN DUNN...SOUTH CENTRAL CHIPPEWA
AND WESTERN EAU CLAIRE COUNTIES...
At 715 PM CDT, a severe thunderstorm was located over Allen, or 11
miles south of Eau Claire, moving east at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Eau Claire, Chippewa Falls, Altoona, Lake Hallie, Lake Wissota, Rock
Falls, Caryville, Bateman, Eau Claire Airport, Jim Falls and Seymour.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
A Tornado Watch remains in effect until 1100 PM CDT for west central
Wisconsin.
LAT...LON 4459 9140 4460 9168 4460 9196 4461 9195
4504 9136 4505 9121
TIME...MOT...LOC 0015Z 279DEG 45KT 4469 9141
HAIL...<.75IN
WIND...60MPH
$$
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, 6:04 PM CDT | Severe Thunderstorm Warning | MPX | Dunn, Pierce, Saint Croix | 41 min |
| Oct 3, 6:06 PM CDT | Tornado Warning | MPX | Pierce, Saint Croix | 27 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.