Alert archive / Wisconsin / Tornado Warnings in 2021
Tornado Warning 1, NWS Milwaukee, WI
NWS Milwaukee, WI issued this tornado warning at Jul 14, 2021, 9:12 PM CDT for Columbia County, Marquette County, Wisconsin. It was in force for 33 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 14, 2021, 9:12 PM CDT (02:12 UTC)
- Expired
- Jul 14, 2021, 9:45 PM CDT
- In force
- 33 min
- Issued by
- NWS Milwaukee, WI
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Columbia County, WI, Marquette County, WI
The radar
The Milwaukee radar (KMKX), 114 km from the middle of the area, began a volume at 02:14 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 14, 6:13 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 2.2 hours before the alert went out and 147 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
- 3 J/kg
- Mixed-layer CIN
- -195 J/kg
- Mixed-layer LCL
- 1171 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 83 m²/s²
- 0-3 km storm-relative helicity
- 207 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
931
WFUS53 KMKX 150212
TORMKX
WIC021-077-150245-
/O.NEW.KMKX.TO.W.0001.210715T0212Z-210715T0245Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Milwaukee/Sullivan WI
912 PM CDT Wed Jul 14 2021
The National Weather Service in Milwaukee/Sullivan has issued a
* Tornado Warning for...
Northwestern Columbia County in south central Wisconsin...
Southwestern Marquette County in south central Wisconsin...
* Until 945 PM CDT.
* At 911 PM CDT, a severe thunderstorm capable of producing a tornado
was located 8 miles east of Wisconsin Dells, moving northeast 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.
* Locations impacted include...
Packwaukee, Endeavor and Briggsville.
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 4379 8945 4363 8935 4359 8967 4364 8972
4365 8971 4364 8960 4371 8960
TIME...MOT...LOC 0211Z 246DEG 37KT 4365 8961
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
KUROSKI2 follow-up statements
860
WWUS53 KMKX 150223
SVSMKX
Severe Weather Statement
National Weather Service Milwaukee/Sullivan WI
923 PM CDT Wed Jul 14 2021
WIC021-150232-
/O.CAN.KMKX.TO.W.0001.000000T0000Z-210715T0245Z/
Columbia WI-
923 PM CDT Wed Jul 14 2021
...THE TORNADO WARNING FOR NORTHWESTERN COLUMBIA COUNTY IS
CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
LAT...LON 4379 8945 4365 8937 4365 8959 4371 8960
TIME...MOT...LOC 0222Z 245DEG 35KT 4369 8950
$$
WIC077-150245-
/O.CON.KMKX.TO.W.0001.000000T0000Z-210715T0245Z/
Marquette WI-
923 PM CDT Wed Jul 14 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 945 PM CDT FOR
SOUTHWESTERN MARQUETTE COUNTY...
At 922 PM CDT, a severe thunderstorm capable of producing a tornado
was located 9 miles north of Portage, moving northeast at 40 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.
Locations impacted include...
Packwaukee, Endeavor and Briggsville.
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 4379 8945 4365 8937 4365 8959 4371 8960
TIME...MOT...LOC 0222Z 245DEG 35KT 4369 8950
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
KUROSKI536
WWUS53 KMKX 150236
SVSMKX
Severe Weather Statement
National Weather Service Milwaukee/Sullivan WI
936 PM CDT Wed Jul 14 2021
WIC077-150245-
/O.EXP.KMKX.TO.W.0001.000000T0000Z-210715T0245Z/
Marquette WI-
936 PM CDT Wed Jul 14 2021
...THE TORNADO WARNING FOR SOUTHWESTERN MARQUETTE COUNTY WILL EXPIRE
AT 945 PM CDT...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire. However gusty winds are still possible with
this thunderstorm.
LAT...LON 4379 8945 4365 8937 4365 8959 4371 8960
TIME...MOT...LOC 0235Z 246DEG 37KT 4374 8934
$$
KUROSKIThe office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 14, 7:26 PM CDT | Special Weather Statement | MKX | Ozaukee | 34 min |
| Jul 14, 11:10 PM CDT | Areal Flood Advisory | MKX | Fond du Lac, Sheboygan | 5 hr |
| Jul 15, 12:47 AM CDT | Special Weather Statement | MKX | Rock | 28 min |
| Jul 15, 1:00 AM CDT | Severe Thunderstorm Warning | MKX | Rock, Walworth | 17 min |
Nearby
Tornado Warnings in Wisconsin, 2021Every tornado warning in 2021Tornadoes in 2021
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.