Alert archive / Wisconsin / Tornado Warnings in 2021
Tornado Warning 10, NWS Milwaukee, WI
NWS Milwaukee, WI issued this tornado warning at Aug 7, 2021, 5:33 PM CDT for Iowa County, Wisconsin. It was in force for 57 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
- Aug 7, 2021, 5:33 PM CDT (22:33 UTC)
- Expired
- Aug 7, 2021, 6:30 PM CDT
- In force
- 57 min
- Issued by
- NWS Milwaukee, WI
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.25 in
County Iowa County, WI
The radar
The La Crosse radar (KARX), 116 km from the middle of the area, began a volume at 22:37 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 |
|---|---|---|---|
| Aug 7, 4:36 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 10.6 hours before the alert went out and 169 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
- 1645 J/kg
- Mixed-layer CIN
- -79 J/kg
- Mixed-layer LCL
- 1006 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 37 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
670
WFUS53 KMKX 072233
TORMKX
WIC049-072330-
/O.NEW.KMKX.TO.W.0010.210807T2233Z-210807T2330Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Milwaukee/Sullivan WI
533 PM CDT Sat Aug 7 2021
The National Weather Service in Milwaukee/Sullivan has issued a
* Tornado Warning for...
Central Iowa County in south central Wisconsin...
* Until 630 PM CDT.
* At 533 PM CDT, a severe thunderstorm capable of producing a tornado
was located 8 miles northwest of Dodgeville, moving east at 20 mph.
HAZARD...Tornado and half dollar size hail.
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...
Dodgeville, Barneveld, Ridgeway, Clyde, Blue Mound St Park,
Blackhawk Lake Rec Area and Governor Dodge St Park.
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 4318 9032 4317 9020 4316 9018 4317 9014
4316 9008 4315 9006 4312 8984 4288 8984
4303 9037
TIME...MOT...LOC 2233Z 286DEG 19KT 4306 9024
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
$$
CMILLER4 follow-up statements
761
WWUS53 KMKX 072247
SVSMKX
Severe Weather Statement
National Weather Service Milwaukee/Sullivan WI
547 PM CDT Sat Aug 7 2021
WIC049-072330-
/O.CON.KMKX.TO.W.0010.000000T0000Z-210807T2330Z/
Iowa WI-
547 PM CDT Sat Aug 7 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR
NORTHEASTERN IOWA COUNTY...
At 546 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Dodgeville, moving east at 20 mph.
HAZARD...Tornado and half dollar size hail.
SOURCE...Radar indicated rotation. This storm has a history of
producing tornadoes.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Dodgeville, Barneveld, Ridgeway, Clyde, Blue Mound St Park and
Governor Dodge St Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4315 9021 4317 9020 4316 9018 4317 9014
4316 9008 4315 9006 4312 8984 4288 8984
4299 9022
TIME...MOT...LOC 2246Z 286DEG 19KT 4304 9015
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
$$
CMILLER132
WWUS53 KMKX 072301
SVSMKX
Severe Weather Statement
National Weather Service Milwaukee/Sullivan WI
601 PM CDT Sat Aug 7 2021
WIC049-072330-
/O.CON.KMKX.TO.W.0010.000000T0000Z-210807T2330Z/
Iowa WI-
601 PM CDT Sat Aug 7 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR
NORTHEASTERN IOWA COUNTY...
At 600 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Dodgeville, moving east at 20 mph.
HAZARD...Tornado and quarter size hail.
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...
Barneveld, Ridgeway and Blue Mound St Park.
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 4313 9010 4314 9009 4316 9008 4315 9006
4314 9000 4313 8995 4312 8984 4288 8984
4296 9010
TIME...MOT...LOC 2300Z 286DEG 19KT 4302 9005
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
CMILLER273
WWUS53 KMKX 072312
SVSMKX
Severe Weather Statement
National Weather Service Milwaukee/Sullivan WI
612 PM CDT Sat Aug 7 2021
WIC049-072330-
/O.CON.KMKX.TO.W.0010.000000T0000Z-210807T2330Z/
Iowa WI-
612 PM CDT Sat Aug 7 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR EAST
CENTRAL IOWA COUNTY...
At 611 PM CDT, a severe thunderstorm capable of producing a tornado
was located 8 miles east of Dodgeville, moving east at 20 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Barneveld and Blue Mound St Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4298 8998 4302 8997 4305 8996 4309 8995
4313 8995 4312 8984 4289 8984 4295 8998
TIME...MOT...LOC 2311Z 286DEG 19KT 4300 8997
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
CMILLER272
WWUS53 KMKX 072321
SVSMKX
Severe Weather Statement
National Weather Service Milwaukee/Sullivan WI
621 PM CDT Sat Aug 7 2021
WIC049-072331-
/O.EXP.KMKX.TO.W.0010.000000T0000Z-210807T2330Z/
Iowa WI-
621 PM CDT Sat Aug 7 2021
...THE TORNADO WARNING FOR EAST CENTRAL IOWA COUNTY WILL EXPIRE AT
630 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.
A Severe Thunderstorm Watch remains in effect until 900 PM CDT for
south central Wisconsin.
LAT...LON 4298 8998 4302 8997 4305 8996 4309 8995
4313 8995 4312 8984 4289 8984 4295 8998
TIME...MOT...LOC 2321Z 286DEG 19KT 4299 8991
$$
CMILLERThe office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 7:34 PM CDT | Areal Flood Advisory | MKX | Milwaukee, Waukesha | 119 min |
| Aug 6, 7:38 PM CDT | Severe Thunderstorm Warning | MKX | Jefferson | 37 min |
| Aug 6, 7:55 PM CDT | Special Marine Warning | MKX | 50 min | |
| Aug 6, 7:57 PM CDT | Special Weather Statement | MKX | Kenosha, Racine, Walworth | 63 min |
| Aug 6, 8:00 PM CDT | Areal Flood Advisory | MKX | Jefferson, Rock, Walworth | 2 hr |
| Aug 6, 8:14 PM CDT | Severe Thunderstorm Warning | MKX | Rock, Walworth | 31 min |
| Aug 6, 8:51 PM CDT | Special Weather Statement | MKX | Rock, Walworth | 54 min |
| Aug 6, 9:45 PM CDT | Severe Thunderstorm Warning | MKX | Dane | 30 min |
| Aug 6, 10:15 PM CDT | Special Weather Statement | MKX | Dane | 30 min |
| Aug 7, 10:06 AM CDT | Special Weather Statement | MKX | Columbia, Marquette | 54 min |
| Aug 7, 11:01 AM CDT | Special Weather Statement | MKX | Columbia, Green Lake | 59 min |
| Aug 7, 11:47 AM CDT | Special Weather Statement | MKX | Dodge, Jefferson | 58 min |
| Aug 7, 12:32 PM CDT | Severe Thunderstorm Warning | MKX | Jefferson | 43 min |
| Aug 7, 12:54 PM CDT | Severe Thunderstorm Warning | MKX | Jefferson, Waukesha | 45 min |
| Aug 7, 1:48 PM CDT | Severe Thunderstorm Warning | MKX | Sauk | 42 min |
| Aug 7, 3:53 PM CDT | Severe Thunderstorm Warning | MKX | Sauk | 52 min |
| Aug 7, 4:33 PM CDT | Severe Thunderstorm Warning | MKX | Columbia, Dane, Iowa, Sauk | 57 min |
| Aug 7, 4:38 PM CDT | Tornado Warning | MKX | Iowa | 67 min |
| Aug 7, 5:17 PM CDT | Severe Thunderstorm Warning | MKX | Columbia, Green Lake, Marquette, Sauk | 58 min |
| Aug 7, 5:26 PM CDT | Tornado Warning | MKX | Columbia | 39 min |
| Aug 7, 5:31 PM CDT | Severe Thunderstorm Warning | MKX | Columbia, Dane | 59 min |
| Aug 7, 6:03 PM CDT | Special Weather Statement | MKX | Dodge, Fond du Lac, Green Lake | 42 min |
| Aug 7, 6:09 PM CDT | Severe Thunderstorm Warning | MKX | Dane | 66 min |
| Aug 7, 6:25 PM CDT | Severe Thunderstorm Warning | MKX | Dane | 50 min |
| Aug 7, 6:40 PM CDT | Special Weather Statement | MKX | Jefferson | 50 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.