Alert archive / Wisconsin / Frost Advisories in 2021
Frost Advisory 11, NWS Green Bay, WI
NWS Green Bay, WI issued this frost advisory at May 29, 2021, 2:47 PM CDT for 9 counties in Wisconsin. It took effect at May 30, 2021, 12:00 AM CDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- May 29, 2021, 2:47 PM CDT (19:47 UTC)
- In effect from
- May 30, 2021, 12:00 AM CDT
- Expired
- May 30, 2021, 6:00 AM CDT
- In force
- 6 hr
- Issued by
- NWS Green Bay, WI
Counties Florence County, WI, Forest County, WI, Langlade County, WI, Lincoln County, WI, Marinette County, WI, Menominee County, WI, Oconto County, WI, Oneida County, WI, Vilas County, WI
The radar
The Green Bay radar (KGRB), 124 km from the middle of the area, began a volume at 19:47 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, 7.8 hours before the alert went out and 126 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
- 1847 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 35 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
922 WWUS73 KGRB 291947 NPWGRB URGENT - WEATHER MESSAGE National Weather Service Green Bay WI 247 PM CDT Sat May 29 2021 WIZ005-010>013-018>021-073-074-300400- /O.NEW.KGRB.FR.Y.0011.210530T0500Z-210530T1100Z/ Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln- Langlade-Menominee-Northern Oconto County-Southern Marinette County-Southern Oconto County- Including the cities of Spread Eagle, Keshena, Mountain, Antigo, Neopit, Harmony, Eagle River, Crivitz, Townsend, Lakewood, Lac Du Flambeau, Aurora, Oconto, Little Suamico, Porterfield, Middle Inlet, Loomis, Rhinelander, Tomahawk, Crandon, High Falls Reservoir, Commonwealth, Peshtigo, Merrill, Brookside, Sobieski, Niagara, Pensaukee, and Wausaukee 247 PM CDT Sat May 29 2021 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM CDT SUNDAY... * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Portions of north central and northeast Wisconsin. * WHEN...From Midnight tonight to 6 AM CDT Sunday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ For more information, visit us at http://www.weather.gov/GreenBay Bersch
2 follow-up statements
108 WWUS73 KGRB 300336 NPWGRB URGENT - WEATHER MESSAGE National Weather Service Green Bay WI 1036 PM CDT Sat May 29 2021 WIZ005-010>013-018>021-073-074-301000- /O.CON.KGRB.FR.Y.0011.210530T0500Z-210530T1100Z/ Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln- Langlade-Menominee-Northern Oconto County-Southern Marinette County-Southern Oconto County- Including the cities of Spread Eagle, Keshena, Mountain, Antigo, Neopit, Harmony, Eagle River, Crivitz, Townsend, Lakewood, Lac Du Flambeau, Aurora, Oconto, Little Suamico, Porterfield, Middle Inlet, Loomis, Rhinelander, Tomahawk, Crandon, High Falls Reservoir, Commonwealth, Peshtigo, Merrill, Brookside, Sobieski, Niagara, Pensaukee, and Wausaukee 1036 PM CDT Sat May 29 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 6 AM CDT SUNDAY... * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Portions of north central and northeast Wisconsin. * WHEN...Until 6 AM CDT Sunday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ For more information, visit us at http://www.weather.gov/GreenBay Cooley
677 WWUS73 KGRB 300833 NPWGRB URGENT - WEATHER MESSAGE National Weather Service Green Bay WI 333 AM CDT Sun May 30 2021 WIZ005-010-018-300945- /O.CAN.KGRB.FR.Y.0011.000000T0000Z-210530T1100Z/ Vilas-Oneida-Lincoln- Including the cities of Eagle River, Lac Du Flambeau, Rhinelander, Merrill, and Tomahawk 333 AM CDT Sun May 30 2021 ...FROST ADVISORY IS CANCELLED... High clouds have limited the amount of cooling tonight, and frost is no longer expected. $$ WIZ011>013-019>021-073-074-301100- /O.CON.KGRB.FR.Y.0011.000000T0000Z-210530T1100Z/ Forest-Florence-Northern Marinette County-Langlade-Menominee- Northern Oconto County-Southern Marinette County- Southern Oconto County- Including the cities of Crandon, Aurora, Commonwealth, Spread Eagle, Niagara, Wausaukee, Antigo, Keshena, Neopit, Mountain, Lakewood, Townsend, Harmony, Peshtigo, Porterfield, Crivitz, High Falls Reservoir, Loomis, Middle Inlet, Little Suamico, Sobieski, Brookside, Oconto, and Pensaukee 333 AM CDT Sun May 30 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 6 AM CDT EARLY THIS MORNING... * WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...Southern Oconto County, Menominee, Southern Marinette County, Langlade, Northern Oconto County, Northern Marinette County, Florence and Forest Counties. * WHEN...Until 6 AM CDT early this morning. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
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.