Alert archive / Wisconsin / Freeze Warnings in 2021
Freeze Warning 4, NWS Green Bay, WI
NWS Green Bay, WI issued this freeze warning at May 10, 2021, 1:54 PM CDT for 15 counties in Wisconsin. It took effect at May 10, 2021, 11:00 PM CDT. It was in force for 9 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- May 10, 2021, 1:54 PM CDT (18:54 UTC)
- In effect from
- May 10, 2021, 11:00 PM CDT
- Expired
- May 11, 2021, 8:00 AM CDT
- In force
- 9 hr
- Issued by
- NWS Green Bay, WI
Counties Florence County, WI, Forest County, WI, Langlade County, WI, Lincoln County, WI, Marathon County, WI, Marinette County, WI, Menominee County, WI, Oconto County, WI, Oneida County, WI, Portage County, WI, Shawano County, WI, Vilas County, WI, Waupaca County, WI, Waushara County, WI, Wood County, WI
The radar
The Green Bay radar (KGRB), 101 km from the middle of the area, began a volume at 18:54 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
Minneapolis, MN (KMPX), launched 12:00Z, 6.9 hours before the alert went out and 356 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
- 1672 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- -14 m²/s²
- 0-3 km storm-relative helicity
- 143 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
880 WWUS73 KGRB 101854 NPWGRB URGENT - WEATHER MESSAGE National Weather Service Green Bay WI 154 PM CDT Mon May 10 2021 WIZ005-010>013-018>021-030-031-035>037-045-073-074-110300- /O.NEW.KGRB.FZ.W.0004.210511T0400Z-210511T1300Z/ Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln- Langlade-Menominee-Northern Oconto County-Marathon-Shawano-Wood- Portage-Waupaca-Waushara-Southern Marinette County-Southern Oconto County- Including the cities of Spread Eagle, New London, Keshena, Mountain, Antigo, Neopit, Harmony, High Falls Reservoir, Eagle River, Crivitz, Clintonville, Townsend, Waupaca, Marshfield, Lakewood, Wausau, Lac Du Flambeau, Aurora, Oconto, Little Suamico, Porterfield, Middle Inlet, Loomis, Rhinelander, Tomahawk, Crandon, Plover, Redgranite, Commonwealth, Peshtigo, Merrill, Brookside, Wisconsin Rapids, Stevens Point, Shawano, Sobieski, Niagara, Pensaukee, Wautoma, and Wausaukee 154 PM CDT Mon May 10 2021 ...FREEZE WARNING IN EFFECT FROM 11 PM THIS EVENING TO 8 AM CDT TUESDAY... * WHAT...Sub-freezing temperatures and widespread frost. * WHERE...Portions of central, north central, and northeast Wisconsin. * WHEN...From 11 PM this evening to 8 AM CDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops and other sensitive outdoor plants if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ WIZ022-038>040-048>050-110300- /O.NEW.KGRB.FR.Y.0004.210511T0500Z-210511T1300Z/ Door-Outagamie-Brown-Kewaunee-Winnebago-Calumet-Manitowoc- Including the cities of Green Bay, Brillion, Menasha, Neenah, Two Rivers, Sister Bay, Fish Creek, Chilton, Oshkosh, New Holstein, Sturgeon Bay, Kewaunee, Manitowoc, Luxemburg, and Appleton 154 PM CDT Mon May 10 2021 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM CDT TUESDAY... * WHAT...Temperatures near freezing and widespread frost. * WHERE...Calumet, Manitowoc, Winnebago, Brown, Door, Kewaunee and Outagamie Counties. * WHEN...From Midnight tonight to 8 AM CDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops and other sensitive outdoor plants if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ For more information, visit us at http://www.weather.gov/GreenBay
3 follow-up statements
965 WWUS73 KGRB 110252 NPWGRB URGENT - WEATHER MESSAGE National Weather Service Green Bay WI 952 PM CDT Mon May 10 2021 WIZ005-010>013-018>021-030-031-035>037-045-073-074-111100- /O.CON.KGRB.FZ.W.0004.210511T0400Z-210511T1300Z/ Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln- Langlade-Menominee-Northern Oconto County-Marathon-Shawano-Wood- Portage-Waupaca-Waushara-Southern Marinette County-Southern Oconto County- Including the cities of Spread Eagle, New London, Keshena, Mountain, Antigo, Neopit, Harmony, High Falls Reservoir, Eagle River, Crivitz, Clintonville, Townsend, Waupaca, Marshfield, Lakewood, Wausau, Lac Du Flambeau, Aurora, Oconto, Little Suamico, Porterfield, Middle Inlet, Loomis, Rhinelander, Tomahawk, Crandon, Plover, Redgranite, Commonwealth, Peshtigo, Merrill, Brookside, Wisconsin Rapids, Stevens Point, Shawano, Sobieski, Niagara, Pensaukee, Wautoma, and Wausaukee 952 PM CDT Mon May 10 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM CDT TUESDAY... * WHAT...Sub-freezing temperatures as low as 27 expected. * WHERE...Portions of central, north central, and northeast Wisconsin. * WHEN...Until 8 AM CDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ WIZ022-038>040-048>050-111100- /O.CON.KGRB.FR.Y.0004.210511T0500Z-210511T1300Z/ Door-Outagamie-Brown-Kewaunee-Winnebago-Calumet-Manitowoc- Including the cities of Green Bay, Brillion, Menasha, Neenah, Two Rivers, Sister Bay, Fish Creek, Chilton, Oshkosh, New Holstein, Sturgeon Bay, Kewaunee, Manitowoc, Luxemburg, and Appleton 952 PM CDT Mon May 10 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT TUESDAY... * WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...Calumet, Manitowoc, Winnebago, Brown, Door, Kewaunee and Outagamie Counties. * WHEN...Until 8 AM CDT Tuesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ For more information, visit us at http://www.weather.gov/GreenBay RDM
608 WWUS73 KGRB 111008 NPWGRB URGENT - WEATHER MESSAGE National Weather Service Green Bay WI 508 AM CDT Tue May 11 2021 WIZ005-010>013-018>021-030-031-035>037-045-073-074-111300- /O.CON.KGRB.FZ.W.0004.000000T0000Z-210511T1300Z/ Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln- Langlade-Menominee-Northern Oconto County-Marathon-Shawano-Wood- Portage-Waupaca-Waushara-Southern Marinette County-Southern Oconto County- Including the cities of Spread Eagle, New London, Keshena, Mountain, Antigo, Neopit, Harmony, High Falls Reservoir, Eagle River, Crivitz, Clintonville, Townsend, Waupaca, Marshfield, Lakewood, Wausau, Lac Du Flambeau, Aurora, Oconto, Little Suamico, Porterfield, Middle Inlet, Loomis, Rhinelander, Tomahawk, Crandon, Plover, Redgranite, Commonwealth, Peshtigo, Merrill, Brookside, Wisconsin Rapids, Stevens Point, Shawano, Sobieski, Niagara, Pensaukee, Wautoma, and Wausaukee 508 AM CDT Tue May 11 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING... * WHAT...Sub-freezing temperatures and widespread frost. * WHERE...Portions of central, north central, and northeast Wisconsin. * WHEN...Until 8 AM CDT this morning. * IMPACTS...Frost and freeze conditions could kill crops and other sensitive outdoor plants if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ WIZ022-038>040-048>050-111300- /O.CON.KGRB.FR.Y.0004.000000T0000Z-210511T1300Z/ Door-Outagamie-Brown-Kewaunee-Winnebago-Calumet-Manitowoc- Including the cities of Green Bay, Brillion, Menasha, Neenah, Two Rivers, Sister Bay, Fish Creek, Chilton, Oshkosh, New Holstein, Sturgeon Bay, Kewaunee, Manitowoc, Luxemburg, and Appleton 508 AM CDT Tue May 11 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING... * WHAT...Temperatures near freezing and widespread frost. * WHERE...Calumet, Manitowoc, Winnebago, Brown, Door, Kewaunee and Outagamie Counties. * WHEN...Until 8 AM CDT this morning. * IMPACTS...Frost and freeze conditions could kill crops and other sensitive outdoor plants if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ For more information, visit us at http://www.weather.gov/GreenBay Cooley
328 WWUS73 KGRB 111251 NPWGRB URGENT - WEATHER MESSAGE National Weather Service Green Bay WI 751 AM CDT Tue May 11 2021 WIZ005-010>013-018>021-030-031-035>037-045-073-074-111400- /O.EXP.KGRB.FZ.W.0004.000000T0000Z-210511T1300Z/ Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln- Langlade-Menominee-Northern Oconto County-Marathon-Shawano-Wood- Portage-Waupaca-Waushara-Southern Marinette County-Southern Oconto County- Including the cities of Spread Eagle, New London, Keshena, Mountain, Antigo, Neopit, Harmony, High Falls Reservoir, Eagle River, Crivitz, Clintonville, Townsend, Waupaca, Marshfield, Lakewood, Wausau, Lac Du Flambeau, Aurora, Oconto, Little Suamico, Porterfield, Middle Inlet, Loomis, Rhinelander, Tomahawk, Crandon, Plover, Redgranite, Commonwealth, Peshtigo, Merrill, Brookside, Wisconsin Rapids, Stevens Point, Shawano, Sobieski, Niagara, Pensaukee, Wautoma, and Wausaukee 751 AM CDT Tue May 11 2021 ...FREEZE WARNING WILL EXPIRE AT 8 AM CDT THIS MORNING... Freezing temperatures are likely again tonight. Be sure to monitor later forecasts today for the likely issuance of a Frost Advisory or Freeze Warning. $$ WIZ022-038>040-048>050-111400- /O.EXP.KGRB.FR.Y.0004.000000T0000Z-210511T1300Z/ Door-Outagamie-Brown-Kewaunee-Winnebago-Calumet-Manitowoc- Including the cities of Green Bay, Brillion, Menasha, Neenah, Two Rivers, Sister Bay, Fish Creek, Chilton, Oshkosh, New Holstein, Sturgeon Bay, Kewaunee, Manitowoc, Luxemburg, and Appleton 751 AM CDT Tue May 11 2021 ...FROST ADVISORY WILL EXPIRE AT 8 AM CDT THIS MORNING... Freezing temperatures and frost are likely again tonight. Be sure to monitor later forecasts today for the likely issuance of a Frost Advisory or Freeze Warning. $$ For more information, visit us at http://www.weather.gov/GreenBay Kurimski
The office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 10, 1:54 PM CDT | Frost Advisory | GRB | Brown, Calumet, Door, Kewaunee, Manitowoc, Outagamie and 1 more | 18 hr |
Nearby
Freeze Warnings in Wisconsin, 2021Every freeze warning 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.