Alert archive / Minnesota / Frost Advisories in 2021
Frost Advisory 2, NWS Twin Cities, MN
NWS Twin Cities, MN issued this frost advisory at May 5, 2021, 2:42 PM CDT for 6 counties in Wisconsin; 20 counties in Minnesota. It took effect at May 6, 2021, 3:00 AM CDT. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- May 5, 2021, 2:42 PM CDT (19:42 UTC)
- In effect from
- May 6, 2021, 3:00 AM CDT
- Expired
- May 6, 2021, 8:00 AM CDT
- In force
- 5 hr
- Issued by
- NWS Twin Cities, MN
All 26 counties
Anoka County, MN, Brown County, MN, Carver County, MN, Chippewa County, MN, Dakota County, MN, Goodhue County, MN, Kandiyohi County, MN, Lac qui Parle County, MN, Le Sueur County, MN, McLeod County, MN, Meeker County, MN, Nicollet County, MN, Redwood County, MN, Renville County, MN, Rice County, MN, Scott County, MN, Sibley County, MN, Washington County, MN, Wright County, MN, Yellow Medicine County, MN, Chippewa County, WI, Dunn County, WI, Eau Claire County, WI, Pepin County, WI, Pierce County, WI, Saint Croix County, WI
The radar
The Minneapolis radar (KMPX), 15 km from the middle of the area, began a volume at 19:45 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, 7.7 hours before the alert went out and 13 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
- 1720 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- -10 m²/s²
- 0-3 km storm-relative helicity
- 94 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
689 WWUS73 KMPX 051942 NPWMPX URGENT - WEATHER MESSAGE National Weather Service Twin Cities/Chanhassen MN 242 PM CDT Wed May 5 2021 MNZ054-056>059-061-063>070-073>078-WIZ023>028-060900- /O.NEW.KMPX.FR.Y.0002.210506T0800Z-210506T1300Z/ Lac Qui Parle-Chippewa-Kandiyohi-Meeker-Wright-Anoka-Washington- Yellow Medicine-Renville-McLeod-Sibley-Carver-Scott-Dakota- Redwood-Brown-Nicollet-Le Sueur-Rice-Goodhue-St. Croix-Pierce- Dunn-Pepin-Eau Claire- Including the cities of Madison, Montevideo, Willmar, Litchfield, Monticello, Blaine, Stillwater, Granite Falls, Olivia, Hutchinson, Gaylord, Chanhassen, Chaska, Victoria, Shakopee, Hastings, Redwood Falls, New Ulm, St Peter, Le Sueur, Faribault, Red Wing, Hudson, River Falls, Menomonie, Durand, Chippewa Falls, and Eau Claire 242 PM CDT Wed May 5 2021 ...FROST ADVISORY IN EFFECT FROM 3 AM TO 8 AM CDT THURSDAY... * WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...Portions of west central Wisconsin and central, east central, south central, southeast, southwest and west central Minnesota. * WHEN...From 3 AM to 8 AM CDT Thursday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ Borghoff
3 follow-up statements
863 WWUS73 KMPX 060210 NPWMPX URGENT - WEATHER MESSAGE National Weather Service Twin Cities/Chanhassen MN 910 PM CDT Wed May 5 2021 MNZ054-056>059-061-063>070-073>078-WIZ023>028-061300- /O.CON.KMPX.FR.Y.0002.210506T0800Z-210506T1300Z/ Lac Qui Parle-Chippewa-Kandiyohi-Meeker-Wright-Anoka-Washington- Yellow Medicine-Renville-McLeod-Sibley-Carver-Scott-Dakota- Redwood-Brown-Nicollet-Le Sueur-Rice-Goodhue-St. Croix-Pierce- Dunn-Pepin-Eau Claire- Including the cities of Madison, Montevideo, Willmar, Litchfield, Monticello, Blaine, Stillwater, Granite Falls, Olivia, Hutchinson, Gaylord, Chanhassen, Chaska, Victoria, Shakopee, Hastings, Redwood Falls, New Ulm, St Peter, Le Sueur, Faribault, Red Wing, Hudson, River Falls, Menomonie, Durand, Chippewa Falls, and Eau Claire 910 PM CDT Wed May 5 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 3 AM TO 8 AM CDT THURSDAY... * WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...Portions of west central Wisconsin and central, east central, south central, southeast, southwest and west central Minnesota. * WHEN...From 3 AM to 8 AM CDT Thursday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
168 WWUS73 KMPX 060807 NPWMPX URGENT - WEATHER MESSAGE National Weather Service Twin Cities/Chanhassen MN 307 AM CDT Thu May 6 2021 MNZ054-056>059-061-063>070-073>078-WIZ023>028-061300- /O.CON.KMPX.FR.Y.0002.000000T0000Z-210506T1300Z/ Lac Qui Parle-Chippewa-Kandiyohi-Meeker-Wright-Anoka-Washington- Yellow Medicine-Renville-McLeod-Sibley-Carver-Scott-Dakota- Redwood-Brown-Nicollet-Le Sueur-Rice-Goodhue-St. Croix-Pierce- Dunn-Pepin-Eau Claire- Including the cities of Madison, Montevideo, Willmar, Litchfield, Monticello, Blaine, Stillwater, Granite Falls, Olivia, Hutchinson, Gaylord, Chanhassen, Chaska, Victoria, Shakopee, Hastings, Redwood Falls, New Ulm, St Peter, Le Sueur, Faribault, Red Wing, Hudson, River Falls, Menomonie, Durand, Chippewa Falls, and Eau Claire 307 AM CDT Thu May 6 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Portions of west central Wisconsin and central, east central, south central, southeast, southwest and west central Minnesota. * WHEN...Until 8 AM CDT 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. && $$
807 WWUS73 KMPX 061306 NPWMPX URGENT - WEATHER MESSAGE National Weather Service Twin Cities/Chanhassen MN 806 AM CDT Thu May 6 2021 MNZ054-056>059-061-063>070-073>078-WIZ023>028-061415- /O.EXP.KMPX.FR.Y.0002.000000T0000Z-210506T1300Z/ Lac Qui Parle-Chippewa-Kandiyohi-Meeker-Wright-Anoka-Washington- Yellow Medicine-Renville-McLeod-Sibley-Carver-Scott-Dakota- Redwood-Brown-Nicollet-Le Sueur-Rice-Goodhue-St. Croix-Pierce- Dunn-Pepin-Eau Claire- Including the cities of Madison, Montevideo, Willmar, Litchfield, Monticello, Blaine, Stillwater, Granite Falls, Olivia, Hutchinson, Gaylord, Chanhassen, Chaska, Victoria, Shakopee, Hastings, Redwood Falls, New Ulm, St Peter, Le Sueur, Faribault, Red Wing, Hudson, River Falls, Menomonie, Durand, Chippewa Falls, and Eau Claire 806 AM CDT Thu May 6 2021 ...FROST ADVISORY HAS EXPIRED... $$
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 5, 2:40 PM CDT | Fire Weather Watch | MPX | Benton, Chippewa, Douglas, Isanti, Kanabec, Kandiyohi and 14 more | 13 hr |
Nearby
Frost Advisories in Minnesota, 2021Frost 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.