Alert archive / Wisconsin / Special Weather Statements in 2021
Special Weather Statement, NWS Milwaukee, WI
NWS Milwaukee, WI issued this special weather statement at Oct 10, 2021, 7:07 AM CDT for Green County, Wisconsin. It was in force for 23 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 10, 2021, 7:07 AM CDT (12:07 UTC)
- Expired
- Oct 10, 2021, 7:30 AM CDT
- In force
- 23 min
- Issued by
- NWS Milwaukee, WI
- Hail
- 0.25 in
- Wind
- 50
County Green County, WI
The radar
The Milwaukee radar (KMKX), 97 km from the middle of the area, began a volume at 12:10 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 10, 7:24 AM CDT | TSTM WND GST 45 | 3 Ene Monroe, WI | KEFT ASOS AT MONROE MUNICIPAL AIRPORT REPORTED A TSTORM WIND GUST OF 45 MPH. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 0.1 hours before the alert went out and 133 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
- 136 J/kg
- Mixed-layer CIN
- -438 J/kg
- Mixed-layer LCL
- 1564 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 55 m²/s²
- 0-3 km storm-relative helicity
- 57 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
351
WWUS83 KMKX 101207
SPSMKX
Special Weather Statement
National Weather Service Milwaukee/Sullivan WI
707 AM CDT Sun Oct 10 2021
WIZ067>069-101230-
Green WI-Lafayette WI-Rock WI-
707 AM CDT Sun Oct 10 2021
...A strong thunderstorm will impact portions of southeastern
Lafayette, Green and west central Rock Counties through 730 AM CDT...
At 707 AM CDT, Doppler radar was tracking a strong thunderstorm over
Winslow, or 9 miles southwest of Monroe, moving northeast at 45 mph.
HAZARD...Wind gusts up to 50 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Monroe, Brodhead, Monticello, Albany, Dayton, South Wayne, Browntown,
Attica, Juda and Jordan Center.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 4251 8990 4255 8995 4286 8949 4286 8945
4266 8925 4250 8960
TIME...MOT...LOC 1207Z 232DEG 37KT 4253 8980
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH
$$
KAVINSKYThe office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 10, 6:21 AM CDT | Special Weather Statement | MKX | Lafayette | 39 min |
| Oct 10, 7:30 AM CDT | Special Weather Statement | MKX | Rock | 30 min |
| Oct 10, 7:50 AM CDT | Special Weather Statement | MKX | Walworth | 25 min |
| Oct 10, 8:01 AM CDT | Special Weather Statement | MKX | Jefferson | 29 min |
| Oct 10, 8:30 AM CDT | Special Weather Statement | MKX | Waukesha | 45 min |
Nearby
Special Weather Statements in Wisconsin, 2021Every special weather statement 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.