Alert archive / Wisconsin / Frost Advisories in 2021
Frost Advisory 7, NWS Green Bay, WI
NWS Green Bay, WI issued this frost advisory at May 13, 2021, 2:17 PM CDT for 8 counties in Wisconsin. It took effect at May 14, 2021, 2:00 AM CDT. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- May 13, 2021, 2:17 PM CDT (19:17 UTC)
- In effect from
- May 14, 2021, 2:00 AM CDT
- Expired
- May 14, 2021, 7:00 AM CDT
- In force
- 5 hr
- Issued by
- NWS Green Bay, WI
Counties Florence County, WI, Forest County, WI, Langlade County, WI, Lincoln County, WI, Marinette County, WI, Oconto County, WI, Oneida County, WI, Vilas County, WI
The radar
The Green Bay radar (KGRB), 130 km from the middle of the area, began a volume at 19:22 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, 7.3 hours before the alert went out and 133 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
- 2523 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 94 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
552 WWUS73 KGRB 131917 NPWGRB URGENT - WEATHER MESSAGE National Weather Service Green Bay WI 217 PM CDT Thu May 13 2021 WIZ005-010>013-018-019-021-140400- /O.NEW.KGRB.FR.Y.0007.210514T0700Z-210514T1200Z/ Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln- Langlade-Northern Oconto County- Including the cities of Commonwealth, Spread Eagle, Merrill, Lakewood, Mountain, Rhinelander, Aurora, Antigo, Niagara, Townsend, Crandon, Lac Du Flambeau, Eagle River, Tomahawk, and Wausaukee 217 PM CDT Thu May 13 2021 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 7 AM CDT FRIDAY... * WHAT...Temperatures from 34 to 37 will result in frost formation late tonight. * WHERE...Langlade, Lincoln, Oneida, Vilas, Florence, Forest, Northern Marinette County and Northern Oconto County Counties. * WHEN...From 2 AM to 7 AM CDT Friday. * 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. && $$ For more information, visit us at http://www.weather.gov/GreenBay Kieckbusch
2 follow-up statements
940 WWUS73 KGRB 140240 NPWGRB URGENT - WEATHER MESSAGE National Weather Service Green Bay WI 940 PM CDT Thu May 13 2021 WIZ005-010>013-018-019-021-141200- /O.CON.KGRB.FR.Y.0007.210514T0700Z-210514T1200Z/ Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln- Langlade-Northern Oconto County- Including the cities of Commonwealth, Spread Eagle, Merrill, Lakewood, Mountain, Rhinelander, Aurora, Antigo, Niagara, Townsend, Crandon, Lac Du Flambeau, Eagle River, Tomahawk, and Wausaukee 940 PM CDT Thu May 13 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 7 AM CDT FRIDAY... * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Langlade, Lincoln, Oneida, Vilas, Florence, Forest, Northern Marinette County and Northern Oconto County Counties. * WHEN...From 2 AM to 7 AM CDT Friday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. $$ For more information, visit us at http://www.weather.gov/GreenBay RDM
530 WWUS73 KGRB 141021 NPWGRB URGENT - WEATHER MESSAGE National Weather Service Green Bay WI 521 AM CDT Fri May 14 2021 WIZ005-010>013-018-019-021-141200- /O.CON.KGRB.FR.Y.0007.000000T0000Z-210514T1200Z/ Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln- Langlade-Northern Oconto County- Including the cities of Commonwealth, Spread Eagle, Merrill, Lakewood, Mountain, Rhinelander, Aurora, Antigo, Niagara, Townsend, Crandon, Lac Du Flambeau, Eagle River, Tomahawk, and Wausaukee 521 AM CDT Fri May 14 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT THIS MORNING... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Langlade, Lincoln, Oneida, Vilas, Florence, Forest, Northern Marinette County and Northern Oconto County Counties. * WHEN...Until 7 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
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.