Alert archive / Wisconsin / Frost Advisories in 2021
Frost Advisory 14, NWS Green Bay, WI
NWS Green Bay, WI issued this frost advisory at Oct 17, 2021, 1:35 PM CDT for 9 counties in 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, 1:35 PM CDT (18:35 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 Green Bay, WI
Counties Marathon County, WI, Marinette County, WI, Menominee County, WI, Oconto County, WI, Portage County, WI, Shawano County, WI, Waupaca County, WI, Waushara County, WI, Wood County, WI
The radar
The Green Bay radar (KGRB), 77 km from the middle of the area, began a volume at 18:37 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 nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 6.6 hours before the alert went out and 78 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.
487 WWUS73 KGRB 171835 NPWGRB URGENT - WEATHER MESSAGE National Weather Service Green Bay WI 135 PM CDT Sun Oct 17 2021 WIZ020-021-031-037-045-073-074-180245- /O.NEW.KGRB.FR.Y.0014.211018T0600Z-211018T1300Z/ Menominee-Northern Oconto County-Shawano-Waupaca-Waushara- Southern Marinette County-Southern Oconto County- Including the cities of Mountain, New London, Keshena, Loomis, Neopit, Harmony, Crivitz, Clintonville, Townsend, Waupaca, Lakewood, Oconto, Little Suamico, Porterfield, Middle Inlet, High Falls Reservoir, Redgranite, Peshtigo, Brookside, Shawano, Sobieski, Pensaukee, and Wautoma 135 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...Waushara, Menominee, Northern Oconto County, Shawano, Southern Marinette County, Southern Oconto County and Waupaca Counties. * WHEN...From 1 AM to 8 AM CDT Monday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ For more information, visit us at http://www.weather.gov/GreenBay Eckberg
2 follow-up statements
406 WWUS73 KGRB 171936 NPWGRB URGENT - WEATHER MESSAGE National Weather Service Green Bay WI 236 PM CDT Sun Oct 17 2021 WIZ030-035-036-180345- /O.EXA.KGRB.FR.Y.0014.211018T0600Z-211018T1300Z/ Marathon-Wood-Portage- Including the cities of Wausau, Wisconsin Rapids, Plover, Marshfield, and Stevens Point 236 PM CDT Sun Oct 17 2021 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT MONDAY... * WHAT...Temperatures as low as 31 will result in frost formation. * WHERE...Marathon, Portage and Wood Counties. * WHEN...From 1 AM to 8 AM CDT Monday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ WIZ020-021-031-037-045-073-074-180345- /O.CON.KGRB.FR.Y.0014.211018T0600Z-211018T1300Z/ Menominee-Northern Oconto County-Shawano-Waupaca-Waushara- Southern Marinette County-Southern Oconto County- Including the cities of Mountain, New London, Keshena, Loomis, Neopit, Harmony, Crivitz, Clintonville, Townsend, Waupaca, Lakewood, Oconto, Little Suamico, Porterfield, Middle Inlet, High Falls Reservoir, Redgranite, Peshtigo, Brookside, Shawano, Sobieski, Pensaukee, and Wautoma 236 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...Waushara, Menominee, Northern Oconto County, Shawano, Southern Marinette County, Southern Oconto County and Waupaca Counties. * WHEN...From 1 AM to 8 AM CDT Monday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ For more information, visit us at http://www.weather.gov/GreenBay Eckberg
302 WWUS73 KGRB 180319 NPWGRB URGENT - WEATHER MESSAGE National Weather Service Green Bay WI 1019 PM CDT Sun Oct 17 2021 WIZ020-021-031-037-045-073-074-181300- /O.CON.KGRB.FR.Y.0014.211018T0600Z-211018T1300Z/ Menominee-Northern Oconto County-Shawano-Waupaca-Waushara- Southern Marinette County-Southern Oconto County- Including the cities of Mountain, New London, Keshena, Loomis, Neopit, Harmony, Crivitz, Clintonville, Townsend, Waupaca, Lakewood, Oconto, Little Suamico, Porterfield, Middle Inlet, High Falls Reservoir, Redgranite, Peshtigo, Brookside, Shawano, Sobieski, Pensaukee, and Wautoma 1019 PM CDT Sun Oct 17 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT MONDAY... * WHAT...Temperatures as low as 31 will result in frost formation. * WHERE...Waushara, Menominee, Northern Oconto County, Shawano, Southern Marinette County, Southern Oconto County and Waupaca Counties. * WHEN...Until 8 AM CDT Monday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ WIZ030-035-036-181300- /O.CON.KGRB.FR.Y.0014.211018T0600Z-211018T1300Z/ Marathon-Wood-Portage- Including the cities of Wausau, Wisconsin Rapids, Plover, Marshfield, and Stevens Point 1019 PM CDT Sun Oct 17 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT MONDAY... * WHAT...Temperatures as low as 31 will result in frost formation. * WHERE...Marathon, Portage and Wood Counties. * WHEN...Until 8 AM CDT Monday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ For more information, visit us at http://www.weather.gov/GreenBay Cooley
The office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 17, 2:57 AM CDT | Small Craft Advisory | GRB | 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.