Alert archive / Wisconsin / Tornado Warnings in 2018
Tornado Warning 14, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at Oct 3, 2018, 6:06 PM CDT for Pierce County, Saint Croix County, Wisconsin. It was in force for 27 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, 6:06 PM CDT (23:06 UTC)
- Expired
- Oct 3, 2018, 6:33 PM CDT
- In force
- 27 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Pierce County, WI, Saint Croix County, WI
The radar
The Minneapolis radar (KMPX), 86 km from the middle of the area, began a volume at 23:10 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, 6:10 PM CDT | TSTM WND DMG | 4 Nnw River Falls, 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 89 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.
353
WFUS53 KMPX 032306
TORMPX
WIC093-109-032345-
/O.NEW.KMPX.TO.W.0014.181003T2306Z-181003T2345Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Twin Cities/Chanhassen MN
606 PM CDT WED OCT 3 2018
The National Weather Service in The Twin Cities has issued a
* Tornado Warning for...
Northeastern Pierce County in west central Wisconsin...
Southern St. Croix County in west central Wisconsin...
* Until 645 PM CDT.
* At 606 PM CDT, a severe thunderstorm capable of producing a tornado
was located near River Falls, moving east at 45 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
Hammond around 620 PM CDT.
Baldwin around 625 PM CDT.
Woodville around 630 PM CDT.
Elmwood around 640 PM CDT.
This includes Interstate 94 in Wisconsin between mile markers 10 and
31.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4486 9269 4495 9269 4500 9214 4478 9214
TIME...MOT...LOC 2306Z 272DEG 38KT 4490 9264
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
BORGHOFF3 follow-up statements
597
WWUS53 KMPX 032316
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
616 PM CDT WED OCT 3 2018
WIC093-109-032345-
/O.CON.KMPX.TO.W.0014.000000T0000Z-181003T2345Z/
Pierce WI-St. Croix WI-
616 PM CDT WED OCT 3 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR
NORTHEASTERN PIERCE AND SOUTHEASTERN ST. CROIX COUNTIES...
At 616 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Hammond, or 7 miles east of River Falls, moving east
at 45 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Baldwin around 620 PM CDT.
Woodville around 625 PM CDT.
Elmwood around 635 PM CDT.
Other locations impacted by this tornadic thunderstorm include
Martel, Wilson and Hersey.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4484 9257 4495 9251 4500 9214 4478 9214
TIME...MOT...LOC 2316Z 271DEG 41KT 4490 9247
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
BORGHOFF035
WWUS53 KMPX 032326 RRA
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
626 PM CDT WED OCT 3 2018
WIC093-109-032345-
/O.CON.KMPX.TO.W.0014.000000T0000Z-181003T2345Z/
Pierce WI-St. Croix WI-
626 PM CDT WED OCT 3 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR
NORTHEASTERN PIERCE AND SOUTHEASTERN ST. CROIX COUNTIES...
At 626 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Woodville, or 15 miles east of River Falls, moving
east at 45 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Elmwood around 635 PM CDT.
Other locations impacted by this tornadic thunderstorm include
Martel, Wilson and Hersey.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4482 9244 4497 9235 4500 9214 4478 9214
TIME...MOT...LOC 2326Z 271DEG 41KT 4489 9231
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
BORGHOFF045
WWUS53 KMPX 032333
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
633 PM CDT WED OCT 3 2018
WIC093-109-032343-
/O.CAN.KMPX.TO.W.0014.000000T0000Z-181003T2345Z/
Pierce WI-St. Croix WI-
633 PM CDT WED OCT 3 2018
...THE TORNADO WARNING FOR NORTHEASTERN PIERCE AND SOUTHEASTERN ST.
CROIX COUNTIES IS CANCELLED...
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, damaging winds remain likely and a Severe
Thunderstorm Warning remains in effect for the area.
A Tornado Watch remains in effect until 1100 PM CDT for west central
Wisconsin.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
The Twin Cities.
LAT...LON 4482 9244 4497 9235 4500 9214 4478 9214
TIME...MOT...LOC 2332Z 272DEG 38KT 4489 9220
$$
BORGHOFFThe 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, 6:44 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Dunn, Eau Claire, Pepin, Pierce | 46 min |
Nearby
Tornado Warnings in Wisconsin, 2018Every tornado warning in 2018Tornadoes 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.