Alert archive / Wisconsin / Tornado Warnings in 2020
Tornado Warning 3, NWS Milwaukee, WI
NWS Milwaukee, WI issued this tornado warning at May 23, 2020, 4:50 PM CDT for Rock County, Wisconsin. It was in force for 40 min. 4 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
- May 23, 2020, 4:50 PM CDT (21:50 UTC)
- Expired
- May 23, 2020, 5:30 PM CDT
- In force
- 40 min
- Issued by
- NWS Milwaukee, WI
- Area
- Storm-based polygon
- Tornado
- Observed
- Hail
- 1.0 in
County Rock County, WI
The radar
The Milwaukee radar (KMKX), 61 km from the middle of the area, began a volume at 21:50 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 |
|---|---|---|---|
| May 23, 5:00 PM CDT | TORNADO | 2 E Beloit, WI | MULTIPLE REPORTS BY STATE PATROL OF AN ONGOING TORNADO NEAR THE I-90/I-43 INTERCHANGE. |
| May 23, 5:01 PM CDT | FUNNEL CLOUD | 1 E Beloit, WI | |
| May 23, 5:05 PM CDT | TORNADO | 4 W Clinton, WI | BRIEF TOUCHDOWN 4 MILES WEST OF CLINTON. |
| May 23, 5:26 PM CDT | TORNADO | 4 Se Janesville, WI |
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 |
|---|---|---|---|
| May 23, 12:33 PM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 9.8 hours before the alert went out and 159 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
- 145 J/kg
- Mixed-layer CIN
- -133 J/kg
- Mixed-layer LCL
- 859 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 148 m²/s²
- 0-3 km storm-relative helicity
- 198 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
604
WFUS53 KMKX 232150
TORMKX
WIC105-232230-
/O.NEW.KMKX.TO.W.0003.200523T2150Z-200523T2230Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Milwaukee/Sullivan WI
450 PM CDT Sat May 23 2020
The National Weather Service in Milwaukee/Sullivan has issued a
* Tornado Warning for...
Southeastern Rock County in south central Wisconsin...
* Until 530 PM CDT.
* At 450 PM CDT, a confirmed tornado was located over South Beloit,
moving northeast at 20 mph.
HAZARD...Damaging tornado and quarter size hail.
SOURCE...Public 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...
Janesville, Beloit, Clinton, Tiffany, Shopiere and Afton.
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 4250 8916 4267 8903 4257 8881 4249 8896
TIME...MOT...LOC 2150Z 223DEG 18KT 4249 8906
TORNADO...OBSERVED
HAIL...1.00IN
$$
ROGERS1 follow-up statement
803
WWUS53 KMKX 232206
SVSMKX
Severe Weather Statement
National Weather Service Milwaukee/Sullivan WI
506 PM CDT Sat May 23 2020
WIC105-232230-
/O.CON.KMKX.TO.W.0003.000000T0000Z-200523T2230Z/
Rock WI-
506 PM CDT Sat May 23 2020
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM CDT FOR
SOUTHEASTERN ROCK COUNTY...
At 505 PM CDT, a confirmed tornado was located over Beloit, moving
northeast at 20 mph.
HAZARD...Damaging tornado and quarter size hail.
SOURCE...Law enforcement confirmed tornado near the I-90 and I-43
interchange.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Janesville, Beloit, Clinton, Tiffany, Shopiere and Afton.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
&&
LAT...LON 4267 8903 4257 8881 4249 8896 4253 8914
TIME...MOT...LOC 2205Z 223DEG 18KT 4255 8899
TORNADO...OBSERVED
HAIL...1.00IN
$$
ROGERSThe office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 22, 11:36 PM CDT | Dense Fog Advisory | MKX | Fond du Lac, Kenosha, Milwaukee, Ozaukee, Racine, Sheboygan and 3 more | 9 hr |
| May 23, 3:23 PM CDT | Severe Thunderstorm Warning | MKX | Rock | 52 min |
| May 23, 4:04 PM CDT | Tornado Warning | MKX | Rock | 25 min |
| May 23, 4:23 PM CDT | Tornado Warning | MKX | Lafayette | 35 min |
| May 23, 4:28 PM CDT | Severe Thunderstorm Warning | MKX | Rock | 47 min |
| May 23, 5:12 PM CDT | Areal Flood Advisory | MKX | Rock | 28 min |
| May 23, 5:15 PM CDT | Tornado Warning | MKX | Rock | 31 min |
| May 23, 5:39 PM CDT | Flash Flood Warning | MKX | Rock | 3 hr |
Nearby
Tornado Warnings in Wisconsin, 2020Every tornado warning in 2020Tornadoes in 2020
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.