Alert archive / Wisconsin / Tornado Warnings in 2017
Tornado Warning 9, NWS Milwaukee, WI
NWS Milwaukee, WI issued this tornado warning at Oct 7, 2017, 5:11 PM CDT for Columbia County, Dane County, Dodge County, Wisconsin. It was in force for 34 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
- Oct 7, 2017, 5:11 PM CDT (22:11 UTC)
- Expired
- Oct 7, 2017, 5:45 PM CDT
- In force
- 34 min
- Issued by
- NWS Milwaukee, WI
- Area
- Storm-based polygon
- Tornado
- Observed
- Hail
- 0.0 in
Counties Columbia County, WI, Dane County, WI, Dodge County, WI
The radar
The Milwaukee radar (KMKX), 48 km from the middle of the area, began a volume at 22:11 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 nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.2 hours before the alert went out and 156 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 652 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 228 m²/s²
- 0-3 km storm-relative helicity
- 241 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
161
WFUS53 KMKX 072211
TORMKX
WIC021-025-027-072245-
/O.NEW.KMKX.TO.W.0009.171007T2211Z-171007T2245Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Milwaukee/Sullivan WI
511 PM CDT SAT OCT 7 2017
The National Weather Service in Milwaukee/Sullivan has issued a
* Tornado Warning for...
Southeastern Columbia County in south central Wisconsin...
Northeastern Dane County in south central Wisconsin...
Southwestern Dodge County in southeastern Wisconsin...
* Until 545 PM CDT
* At 511 PM CDT, a confirmed tornado was located over Sun Prairie,
moving northeast at 40 mph.
HAZARD...Damaging tornado.
SOURCE...Law enforcement confirmed tornado.
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...
Eastern Madison, Sun Prairie, Windsor, Columbus, Marshall, Cottage
Grove, Fall River, Reeseville, Lowell, Deansville, East Bristol,
Danville and Token Creek.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a tornado is on the ground. 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 4329 8875 4320 8897 4320 8901 4318 8901
4307 8926 4318 8937 4348 8897
TIME...MOT...LOC 2211Z 232DEG 33KT 4318 8923
TORNADO...OBSERVED
HAIL...0.00IN
$$
DAVIS2 follow-up statements
256
WWUS53 KMKX 072221
SVSMKX
Severe Weather Statement
National Weather Service Milwaukee/Sullivan WI
521 PM CDT SAT OCT 7 2017
WIC021-025-027-072245-
/O.CON.KMKX.TO.W.0009.000000T0000Z-171007T2245Z/
Columbia WI-Dane WI-Dodge WI-
521 PM CDT SAT OCT 7 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR
SOUTHEASTERN COLUMBIA...NORTHEASTERN DANE AND SOUTHWESTERN DODGE
COUNTIES...
At 520 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Marshall, moving northeast at 35 mph. We are not
getting reports of a tornado at this time, but radar continues to
show rotation and a weak tornado debris signature.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Sun Prairie, Columbus, Marshall, Fall River, Reeseville, Lowell,
Danville, Deansville and East Bristol.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4311 8916 4324 8930 4339 8909 4348 8897
4329 8875 4320 8897 4320 8901 4318 8901
TIME...MOT...LOC 2220Z 232DEG 32KT 4323 8914
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
DAVIS054
WWUS53 KMKX 072241
SVSMKX
Severe Weather Statement
National Weather Service Milwaukee/Sullivan WI
541 PM CDT SAT OCT 7 2017
WIC021-025-027-072249-
/O.EXP.KMKX.TO.W.0009.000000T0000Z-171007T2245Z/
Columbia WI-Dane WI-Dodge WI-
541 PM CDT SAT OCT 7 2017
...THE TORNADO WARNING FOR SOUTHEASTERN COLUMBIA...NORTHEASTERN DANE
AND SOUTHWESTERN DODGE COUNTIES WILL EXPIRE AT 545 PM CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning will be allowed to expire.
LAT...LON 4311 8916 4324 8930 4339 8909 4348 8897
4329 8875 4320 8897 4320 8901 4318 8901
TIME...MOT...LOC 2239Z 232DEG 33KT 4334 8895
$$
DAVISThe office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 7, 3:46 PM CDT | Special Weather Statement | MKX | Green, Iowa, Lafayette | 59 min |
| Oct 7, 4:49 PM CDT | Special Weather Statement | MKX | Columbia | 41 min |
| Oct 7, 5:09 PM CDT | Special Weather Statement | MKX | Columbia | 36 min |
Nearby
Tornado Warnings in Wisconsin, 2017Every tornado warning in 2017Tornadoes in 2017
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.