Alert archive / Wisconsin / Frost Advisories in 2021
Frost Advisory 6, NWS Milwaukee, WI
NWS Milwaukee, WI issued this frost advisory at Oct 17, 2021, 2:39 PM CDT for Green Lake County, Marquette County, Wisconsin. It took effect at Oct 18, 2021, 1:00 AM CDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Oct 17, 2021, 2:39 PM CDT (19:39 UTC)
- In effect from
- Oct 18, 2021, 1:00 AM CDT
- Expired
- Oct 18, 2021, 8:00 AM CDT
- In force
- 7 hr
- Issued by
- NWS Milwaukee, WI
Counties Green Lake County, WI, Marquette County, WI
The radar
The Milwaukee radar (KMKX), 108 km from the middle of the area, began a volume at 19:44 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, 7.7 hours before the alert went out and 116 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
- 1857 m above ground
- 0-6 km bulk shear
- 84 kt
- 0-1 km storm-relative helicity
- 128 m²/s²
- 0-3 km storm-relative helicity
- 231 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
801 WWUS73 KMKX 171939 NPWMKX URGENT - WEATHER MESSAGE National Weather Service Milwaukee/Sullivan WI 239 PM CDT Sun Oct 17 2021 WIZ046-047-180345- /O.NEW.KMKX.FR.Y.0006.211018T0600Z-211018T1300Z/ Marquette-Green Lake- Including the cities of Montello, Westfield, Oxford, Neshkoro, Endeavor, Berlin, Princeton, and Markesan 239 PM CDT Sun Oct 17 2021 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT MONDAY... * WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...Marquette and Green Lake Counties. * WHEN...From 1 AM to 8 AM CDT Monday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ Halbach
3 follow-up statements
356 WWUS73 KMKX 180148 NPWMKX URGENT - WEATHER MESSAGE National Weather Service Milwaukee/Sullivan WI 848 PM CDT Sun Oct 17 2021 WIZ046-047-181000- /O.CON.KMKX.FR.Y.0006.211018T0600Z-211018T1300Z/ Marquette-Green Lake- Including the cities of Montello, Westfield, Oxford, Neshkoro, Endeavor, Berlin, Princeton, and Markesan 848 PM CDT Sun Oct 17 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM CDT MONDAY... * WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...Marquette and Green Lake Counties. * WHEN...From 1 AM to 8 AM CDT Monday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ DDV
195 WWUS73 KMKX 180759 NPWMKX URGENT - WEATHER MESSAGE National Weather Service Milwaukee/Sullivan WI 259 AM CDT Mon Oct 18 2021 WIZ046-047-181300- /O.CON.KMKX.FR.Y.0006.000000T0000Z-211018T1300Z/ Marquette-Green Lake- Including the cities of Montello, Westfield, Oxford, Neshkoro, Endeavor, Berlin, Princeton, and Markesan 259 AM CDT Mon Oct 18 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Marquette and Green Lake Counties. * WHEN...Until 8 AM CDT this morning. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
529 WWUS73 KMKX 181247 NPWMKX URGENT - WEATHER MESSAGE National Weather Service Milwaukee/Sullivan WI 747 AM CDT Mon Oct 18 2021 WIZ046-047-181400- /O.EXP.KMKX.FR.Y.0006.000000T0000Z-211018T1300Z/ Marquette-Green Lake- Including the cities of Montello, Westfield, Oxford, Neshkoro, Endeavor, Berlin, Princeton, and Markesan 747 AM CDT Mon Oct 18 2021 ...FROST ADVISORY WILL EXPIRE AT 8 AM CDT THIS MORNING... Temperatures will gradually warm through the morning hours. $$
The office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 17, 3:06 AM CDT | Small Craft Advisory | MKX | 16 hr |
Nearby
Frost Advisories in Wisconsin, 2021Every frost advisory 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.