Alert archive / Wisconsin / Frost Advisories in 2021
Frost Advisory 6, NWS Twin Cities, MN
NWS Twin Cities, MN issued this frost advisory at May 11, 2021, 2:12 PM CDT for 5 counties in Wisconsin; Freeborn County, Goodhue County, Steele County, Minnesota. It took effect at May 12, 2021, 2:00 AM CDT. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- May 11, 2021, 2:12 PM CDT (19:12 UTC)
- In effect from
- May 12, 2021, 2:00 AM CDT
- Expired
- May 12, 2021, 7:00 AM CDT
- In force
- 5 hr
- Issued by
- NWS Twin Cities, MN
Counties Freeborn County, MN, Goodhue County, MN, Steele County, MN, Chippewa County, WI, Dunn County, WI, Eau Claire County, WI, Pepin County, WI, Pierce County, WI
The radar
The Minneapolis radar (KMPX), 108 km from the middle of the area, began a volume at 19:16 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, 7.2 hours before the alert went out and 110 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
- 1860 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 6 m²/s²
- 0-3 km storm-relative helicity
- 37 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
452 WWUS73 KMPX 111912 NPWMPX URGENT - WEATHER MESSAGE National Weather Service Twin Cities/Chanhassen MN 212 PM CDT Tue May 11 2021 MNZ078-085-093-WIZ024>028-121200- /O.NEW.KMPX.FR.Y.0006.210512T0700Z-210512T1200Z/ Goodhue-Steele-Freeborn-Pierce-Dunn-Pepin-Chippewa-Eau Claire- Including the cities of Red Wing, Owatonna, Albert Lea, River Falls, Menomonie, Durand, Chippewa Falls, and Eau Claire 212 PM CDT Tue May 11 2021 ...FROST ADVISORY IN EFFECT FROM 2 AM TONIGHT TO 7 AM CDT WEDNESDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...In Wisconsin, Pierce, Dunn, Pepin, Chippewa and Eau Claire Counties. In Minnesota, Goodhue, Steele and Freeborn Counties. * WHEN...From 2 AM tonight to 7 AM CDT Wednesday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ BPH
1 follow-up statement
820 WWUS73 KMPX 120214 NPWMPX URGENT - WEATHER MESSAGE National Weather Service Twin Cities/Chanhassen MN 914 PM CDT Tue May 11 2021 MNZ078-085-093-WIZ024>028-121200- /O.CON.KMPX.FR.Y.0006.210512T0700Z-210512T1200Z/ Goodhue-Steele-Freeborn-Pierce-Dunn-Pepin-Chippewa-Eau Claire- Including the cities of Red Wing, Owatonna, Albert Lea, River Falls, Menomonie, Durand, Chippewa Falls, and Eau Claire 914 PM CDT Tue May 11 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 7 AM CDT WEDNESDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...In Wisconsin, Pierce, Dunn, Pepin, Eau Claire and Chippewa Counties. In Minnesota, Steele, Goodhue and Freeborn Counties. * WHEN...From 2 AM to 7 AM CDT Wednesday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ Borghoff
Nearby
Frost Advisories in Wisconsin, 2021Frost Advisories in Minnesota, 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.