Alert archive / Wisconsin / Frost Advisories in 2021
Frost Advisory 8, NWS Green Bay, WI
NWS Green Bay, WI issued this frost advisory at May 26, 2021, 2:24 PM CDT for Florence County, Forest County, Vilas County, Wisconsin. It took effect at May 27, 2021, 12:00 AM CDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- May 26, 2021, 2:24 PM CDT (19:24 UTC)
- In effect from
- May 27, 2021, 12:00 AM CDT
- Expired
- May 27, 2021, 7:00 AM CDT
- In force
- 7 hr
- Issued by
- NWS Green Bay, WI
Counties Florence County, WI, Forest County, WI, Vilas County, WI
The radar
The Marquette radar (KMQT), 128 km from the middle of the area, began a volume at 19:26 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, 7.4 hours before the alert went out and 165 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
- 1488 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- -54 m²/s²
- 0-3 km storm-relative helicity
- 3 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
915 WWUS73 KGRB 261924 NPWGRB URGENT - WEATHER MESSAGE National Weather Service Green Bay WI 224 PM CDT Wed May 26 2021 WIZ005-011-012-270330- /O.NEW.KGRB.FR.Y.0008.210527T0500Z-210527T1200Z/ Vilas-Forest-Florence- Including the cities of Commonwealth, Spread Eagle, Lac Du Flambeau, Aurora, Crandon, and Eagle River 224 PM CDT Wed May 26 2021 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 7 AM CDT THURSDAY... * WHAT...Temperatures in the low to mid 30s will result in frost formation. * WHERE...Vilas, Florence and Forest Counties. * WHEN...From Midnight tonight to 7 AM CDT Thursday. * 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. && $$ For more information, visit us at http://www.weather.gov/GreenBay Kurimski
2 follow-up statements
062 WWUS73 KGRB 270209 NPWGRB URGENT - WEATHER MESSAGE National Weather Service Green Bay WI 909 PM CDT Wed May 26 2021 WIZ005-011-012-271200- /O.CON.KGRB.FR.Y.0008.210527T0500Z-210527T1200Z/ Vilas-Forest-Florence- Including the cities of Commonwealth, Spread Eagle, Lac Du Flambeau, Aurora, Crandon, and Eagle River 909 PM CDT Wed May 26 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT THURSDAY... * WHAT...Low temperatures in the 30s may result in some frost formation. * WHERE...Vilas, Florence and Forest Counties. * WHEN...Until 7 AM CDT Thursday. * IMPACTS...Frost could harm cold-sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Cold-sensitive outdoor plants should be covered or brought indoors. && $$ For more information, visit us at http://www.weather.gov/GreenBay
178 WWUS73 KGRB 271202 NPWGRB URGENT - WEATHER MESSAGE National Weather Service Green Bay WI 702 AM CDT Thu May 27 2021 WIZ005-011-012-271315- /O.EXP.KGRB.FR.Y.0008.000000T0000Z-210527T1200Z/ Vilas-Forest-Florence- Including the cities of Commonwealth, Spread Eagle, Lac Du Flambeau, Aurora, Crandon, and Eagle River 702 AM CDT Thu May 27 2021 ...FROST ADVISORY HAS EXPIRED... Temperatures have risen into the upper 30s, therefore the Frost Advisory has been allowed to expire. $$ 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 25, 7:29 PM CDT | Areal Flood Advisory | GRB | Wood | 3 hr |
| May 25, 7:43 PM CDT | Special Weather Statement | GRB | Marinette, Oconto | 47 min |
| May 25, 7:44 PM CDT | Special Marine Warning | GRB | 91 min | |
| May 25, 8:28 PM CDT | Special Marine Warning | GRB | 62 min | |
| May 25, 9:29 PM CDT | Special Weather Statement | GRB | Portage, Waupaca, Wood | 46 min |
| May 25, 10:00 PM CDT | Special Weather Statement | GRB | Waushara | 45 min |
| May 26, 10:15 AM CDT | Small Craft Advisory | GRB | 15 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.