Alert archive / Wisconsin / Freeze Warnings in 2021
Freeze Warning 5, NWS Green Bay, WI
NWS Green Bay, WI issued this freeze warning at May 11, 2021, 2:05 PM CDT for 11 counties in Wisconsin. It took effect at May 11, 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 11, 2021, 2:05 PM CDT (19:05 UTC)
- In effect from
- May 11, 2021, 11:00 PM CDT
- Expired
- May 12, 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, Oconto County, WI, Oneida County, WI, Portage County, WI, Vilas County, WI, Wood County, WI
The radar
The Green Bay radar (KGRB), 119 km from the middle of the area, began a volume at 19:08 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, 7.1 hours before the alert went out and 121 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
- 1163 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 119 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
410 WWUS73 KGRB 111905 NPWGRB URGENT - WEATHER MESSAGE National Weather Service Green Bay WI 205 PM CDT Tue May 11 2021 WIZ005-010>013-018-019-021-073-120315- /O.NEW.KGRB.FZ.W.0005.210512T0400Z-210512T1300Z/ Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln- Langlade-Northern Oconto County-Southern Marinette County- Including the cities of Spread Eagle, Mountain, Antigo, Harmony, Eagle River, Crivitz, Townsend, Lakewood, Lac Du Flambeau, Aurora, Porterfield, Middle Inlet, Loomis, Rhinelander, Tomahawk, Crandon, High Falls Reservoir, Commonwealth, Peshtigo, Merrill, Niagara, and Wausaukee 205 PM CDT Tue May 11 2021 ...FREEZE WARNING IN EFFECT FROM 11 PM THIS EVENING TO 8 AM CDT WEDNESDAY... * WHAT...Sub-freezing temperatures in the 20s expected. * WHERE...Langlade, Lincoln, Oneida, Vilas, Florence, Forest, Northern Marinette County, Northern Oconto County and Southern Marinette County Counties. * WHEN...From 11 PM this evening to 8 AM CDT Wednesday. * 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. && $$ WIZ030-035-036-120315- /O.NEW.KGRB.FZ.W.0005.210512T0600Z-210512T1300Z/ Marathon-Wood-Portage- Including the cities of Wausau, Wisconsin Rapids, Plover, Marshfield, and Stevens Point 205 PM CDT Tue May 11 2021 ...FREEZE WARNING IN EFFECT FROM 1 AM TO 8 AM CDT WEDNESDAY... * WHAT...Sub-freezing temperatures around 30 expected. * WHERE...Marathon, Portage and Wood Counties. * WHEN...From 1 AM to 8 AM CDT Wednesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ WIZ020-022-031-037>040-045-048>050-074-120315- /O.NEW.KGRB.FR.Y.0005.210512T0600Z-210512T1300Z/ Menominee-Door-Shawano-Waupaca-Outagamie-Brown-Kewaunee-Waushara- Winnebago-Calumet-Manitowoc-Southern Oconto County- Including the cities of Brillion, New London, Keshena, Neopit, Clintonville, Oshkosh, Appleton, Neenah, Manitowoc, Oconto, Little Suamico, Fish Creek, Chilton, Luxemburg, Waupaca, Green Bay, Pensaukee, Brookside, Sturgeon Bay, Redgranite, Menasha, Two Rivers, Sister Bay, Shawano, Sobieski, New Holstein, Wautoma, and Kewaunee 205 PM CDT Tue May 11 2021 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT WEDNESDAY... * WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...Portions of central, east central, and northeast Wisconsin. * WHEN...From 1 AM to 8 AM CDT Wednesday. * 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. && $$ For more information, visit us at http://www.weather.gov/GreenBay Kurimski
2 follow-up statements
587 WWUS73 KGRB 120251 NPWGRB URGENT - WEATHER MESSAGE National Weather Service Green Bay WI 951 PM CDT Tue May 11 2021 WIZ005-010>013-018-019-021-073-121100- /O.CON.KGRB.FZ.W.0005.210512T0400Z-210512T1300Z/ Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln- Langlade-Northern Oconto County-Southern Marinette County- Including the cities of Spread Eagle, Mountain, Antigo, Harmony, Eagle River, Crivitz, Townsend, Lakewood, Lac Du Flambeau, Aurora, Porterfield, Middle Inlet, Loomis, Rhinelander, Tomahawk, Crandon, High Falls Reservoir, Commonwealth, Peshtigo, Merrill, Niagara, and Wausaukee 951 PM CDT Tue May 11 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM CDT WEDNESDAY... * WHAT...Sub-freezing temperatures as low as 26 expected. * WHERE...Langlade, Lincoln, Oneida, Vilas, Florence, Forest, Northern Marinette County, Northern Oconto County and Southern Marinette County Counties. * WHEN...Until 8 AM CDT Wednesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. $$ WIZ030-035-036-121100- /O.CON.KGRB.FZ.W.0005.210512T0600Z-210512T1300Z/ Marathon-Wood-Portage- Including the cities of Wausau, Wisconsin Rapids, Plover, Marshfield, and Stevens Point 951 PM CDT Tue May 11 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 8 AM CDT WEDNESDAY... * WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Marathon, Portage and Wood Counties. * WHEN...From 1 AM to 8 AM CDT Wednesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. $$ WIZ020-022-031-037>040-045-048>050-074-121100- /O.CON.KGRB.FR.Y.0005.210512T0600Z-210512T1300Z/ Menominee-Door-Shawano-Waupaca-Outagamie-Brown-Kewaunee-Waushara- Winnebago-Calumet-Manitowoc-Southern Oconto County- Including the cities of Brillion, New London, Keshena, Neopit, Clintonville, Oshkosh, Appleton, Neenah, Manitowoc, Oconto, Little Suamico, Fish Creek, Chilton, Luxemburg, Waupaca, Green Bay, Pensaukee, Brookside, Sturgeon Bay, Redgranite, Menasha, Two Rivers, Sister Bay, Shawano, Sobieski, New Holstein, Wautoma, and Kewaunee 951 PM CDT Tue May 11 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM CDT WEDNESDAY... * WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...Portions of central, east central, and northeast Wisconsin. * WHEN...From 1 AM to 8 AM CDT Wednesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. $$ For more information, visit us at http://www.weather.gov/GreenBay RDM
700 WWUS73 KGRB 121034 NPWGRB URGENT - WEATHER MESSAGE National Weather Service Green Bay WI 534 AM CDT Wed May 12 2021 WIZ005-010>013-018-019-021-073-121300- /O.CON.KGRB.FZ.W.0005.000000T0000Z-210512T1300Z/ Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln- Langlade-Northern Oconto County-Southern Marinette County- Including the cities of Spread Eagle, Mountain, Antigo, Harmony, Eagle River, Crivitz, Townsend, Lakewood, Lac Du Flambeau, Aurora, Porterfield, Middle Inlet, Loomis, Rhinelander, Tomahawk, Crandon, High Falls Reservoir, Commonwealth, Peshtigo, Merrill, Niagara, and Wausaukee 534 AM CDT Wed May 12 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING... * WHAT...Sub-freezing temperatures in the 20s expected. * WHERE...Langlade, Lincoln, Oneida, Vilas, Florence, Forest, Northern Marinette County, Northern Oconto County and Southern Marinette County Counties. * WHEN...Until 8 AM CDT this morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. $$ WIZ030-035-036-121300- /O.CON.KGRB.FZ.W.0005.000000T0000Z-210512T1300Z/ Marathon-Wood-Portage- Including the cities of Wausau, Wisconsin Rapids, Plover, Marshfield, and Stevens Point 534 AM CDT Wed May 12 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING... * WHAT...Sub-freezing temperatures around 30 expected. * WHERE...Marathon, Portage and Wood Counties. * WHEN...Until 8 AM CDT this morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. $$ WIZ020-022-031-037>040-045-048>050-074-121300- /O.CON.KGRB.FR.Y.0005.000000T0000Z-210512T1300Z/ Menominee-Door-Shawano-Waupaca-Outagamie-Brown-Kewaunee-Waushara- Winnebago-Calumet-Manitowoc-Southern Oconto County- Including the cities of Brillion, New London, Keshena, Neopit, Clintonville, Oshkosh, Appleton, Neenah, Manitowoc, Oconto, Little Suamico, Fish Creek, Chilton, Luxemburg, Waupaca, Green Bay, Pensaukee, Brookside, Sturgeon Bay, Redgranite, Menasha, Two Rivers, Sister Bay, Shawano, Sobieski, New Holstein, Wautoma, and Kewaunee 534 AM CDT Wed May 12 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING... * WHAT...Temperatures as low as 31 will result in frost formation. * WHERE...Portions of central, east central, and northeast Wisconsin. * WHEN...Until 8 AM CDT this morning. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. $$ 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 |
|---|---|---|---|---|
| May 11, 2:05 PM CDT | Frost Advisory | GRB | Brown, Calumet, Door, Kewaunee, Manitowoc, Menominee and 6 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.