Alert archive / Minnesota / Frost Advisories in 2021
Frost Advisory 8, NWS Twin Cities, MN
NWS Twin Cities, MN issued this frost advisory at Oct 15, 2021, 11:56 AM CDT for 25 counties in Minnesota. It took effect at Oct 16, 2021, 1:00 AM CDT. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Oct 15, 2021, 11:56 AM CDT (16:56 UTC)
- In effect from
- Oct 16, 2021, 1:00 AM CDT
- Expired
- Oct 16, 2021, 9:00 AM CDT
- In force
- 8 hr
- Issued by
- NWS Twin Cities, MN
All 25 counties
Benton County, MN, Blue Earth County, MN, Brown County, MN, Chippewa County, MN, Faribault County, MN, Freeborn County, MN, Kandiyohi County, MN, Lac qui Parle County, MN, Le Sueur County, MN, Martin County, MN, McLeod County, MN, Meeker County, MN, Mille Lacs County, MN, Nicollet County, MN, Redwood County, MN, Renville County, MN, Sherburne County, MN, Sibley County, MN, Stearns County, MN, Steele County, MN, Swift County, MN, Waseca County, MN, Watonwan County, MN, Wright County, MN, Yellow Medicine County, MN
The radar
The Minneapolis radar (KMPX), 74 km from the middle of the area, began a volume at 16:58 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, 4.9 hours before the alert went out and 71 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
- 1342 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- -34 m²/s²
- 0-3 km storm-relative helicity
- 4 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
656 WWUS73 KMPX 151656 NPWMPX URGENT - WEATHER MESSAGE National Weather Service Twin Cities/Chanhassen MN 1156 AM CDT Fri Oct 15 2021 MNZ041>043-047-048-160100- /O.NEW.KMPX.FZ.W.0005.211016T0600Z-211016T1400Z/ Douglas-Todd-Morrison-Stevens-Pope- Including the cities of Alexandria, Long Prairie, Little Falls, Morris, and Glenwood 1156 AM CDT Fri Oct 15 2021 ...FREEZE WARNING IN EFFECT FROM 1 AM TO 9 AM CDT SATURDAY... * WHAT...Sub-freezing temperatures as low as 30 possible. * WHERE...Douglas, Todd, Morrison, Stevens and Pope Counties. * WHEN...From 1 AM to 9 AM CDT Saturday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ MNZ044-049>051-054>059-064>067-073>075-082-091-160100- /O.NEW.KMPX.FR.Y.0008.211016T0600Z-211016T1400Z/ Mille Lacs-Stearns-Benton-Sherburne-Lac Qui Parle-Swift-Chippewa- Kandiyohi-Meeker-Wright-Yellow Medicine-Renville-McLeod-Sibley- Redwood-Brown-Nicollet-Watonwan-Martin- Including the cities of Princeton, St Cloud, Sauk Rapids, Elk River, Madison, Benson, Montevideo, Willmar, Litchfield, Monticello, Granite Falls, Olivia, Hutchinson, Gaylord, Redwood Falls, New Ulm, St Peter, St James, and Fairmont 1156 AM CDT Fri Oct 15 2021 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM CDT SATURDAY... * WHAT...Temperatures in the low to mid 30s will result in frost formation. * WHERE...Portions of central, east central, south central, southwest and west central Minnesota. * WHEN...From 1 AM to 9 AM CDT Saturday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ jrb
4 follow-up statements
604 WWUS73 KMPX 160113 NPWMPX URGENT - WEATHER MESSAGE National Weather Service Twin Cities/Chanhassen MN 813 PM CDT Fri Oct 15 2021 MNZ041>043-047-048-161100- /O.CON.KMPX.FZ.W.0005.211016T0600Z-211016T1400Z/ Douglas-Todd-Morrison-Stevens-Pope- Including the cities of Alexandria, Long Prairie, Little Falls, Morris, and Glenwood 813 PM CDT Fri Oct 15 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 9 AM CDT SATURDAY... * WHAT...Sub-freezing temperatures as low as 30 possible. * WHERE...Douglas, Morrison, Todd, Stevens and Pope Counties. * WHEN...From 1 AM to 9 AM CDT Saturday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ MNZ044-049>051-054>059-064>067-073>075-082-091-161100- /O.CON.KMPX.FR.Y.0008.211016T0600Z-211016T1400Z/ Mille Lacs-Stearns-Benton-Sherburne-Lac Qui Parle-Swift-Chippewa- Kandiyohi-Meeker-Wright-Yellow Medicine-Renville-McLeod-Sibley- Redwood-Brown-Nicollet-Watonwan-Martin- Including the cities of Princeton, St Cloud, Sauk Rapids, Elk River, Madison, Benson, Montevideo, Willmar, Litchfield, Monticello, Granite Falls, Olivia, Hutchinson, Gaylord, Redwood Falls, New Ulm, St Peter, St James, and Fairmont 813 PM CDT Fri Oct 15 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 9 AM CDT SATURDAY... * WHAT...Temperatures in the low to mid 30s. * WHERE...Portions of central, east central, south central, southwest and west central Minnesota. * WHEN...From 1 AM to 9 AM CDT Saturday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
553 WWUS73 KMPX 160209 NPWMPX URGENT - WEATHER MESSAGE National Weather Service Twin Cities/Chanhassen MN 909 PM CDT Fri Oct 15 2021 MNZ041>043-047-048-161100- /O.CON.KMPX.FZ.W.0005.211016T0600Z-211016T1400Z/ Douglas-Todd-Morrison-Stevens-Pope- Including the cities of Alexandria, Long Prairie, Little Falls, Morris, and Glenwood 909 PM CDT Fri Oct 15 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 9 AM CDT SATURDAY... * WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Douglas, Morrison, Todd, Stevens and Pope Counties. * WHEN...From 1 AM to 9 AM CDT Saturday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ MNZ076-083>085-092-093-161100- /O.EXA.KMPX.FR.Y.0008.211016T0600Z-211016T1400Z/ Le Sueur-Blue Earth-Waseca-Steele-Faribault-Freeborn- Including the cities of Le Sueur, Mankato, Waseca, Owatonna, Blue Earth, and Albert Lea 909 PM CDT Fri Oct 15 2021 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM CDT SATURDAY... * WHAT...Temperatures in the low to mid 30s will result in frost formation. * WHERE...Le Sueur, Blue Earth, Waseca, Steele, Faribault and Freeborn Counties. * WHEN...From 1 AM to 9 AM CDT Saturday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ MNZ044-049>051-054>059-064>067-073>075-082-091-161100- /O.CON.KMPX.FR.Y.0008.211016T0600Z-211016T1400Z/ Mille Lacs-Stearns-Benton-Sherburne-Lac Qui Parle-Swift-Chippewa- Kandiyohi-Meeker-Wright-Yellow Medicine-Renville-McLeod-Sibley- Redwood-Brown-Nicollet-Watonwan-Martin- Including the cities of Princeton, St Cloud, Sauk Rapids, Elk River, Madison, Benson, Montevideo, Willmar, Litchfield, Monticello, Granite Falls, Olivia, Hutchinson, Gaylord, Redwood Falls, New Ulm, St Peter, St James, and Fairmont 909 PM CDT Fri Oct 15 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 9 AM CDT SATURDAY... * WHAT...Temperatures in the low to mid 30s will result in frost formation. * WHERE...Portions of central, east central, south central, southwest and west central Minnesota. * WHEN...From 1 AM to 9 AM CDT Saturday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
021 WWUS73 KMPX 160343 NPWMPX URGENT - WEATHER MESSAGE National Weather Service Twin Cities/Chanhassen MN 1043 PM CDT Fri Oct 15 2021 MNZ041>043-047-048-161200- /O.CON.KMPX.FZ.W.0005.211016T0600Z-211016T1400Z/ Douglas-Todd-Morrison-Stevens-Pope- Including the cities of Alexandria, Long Prairie, Little Falls, Morris, and Glenwood 1043 PM CDT Fri Oct 15 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM CDT SATURDAY... * WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Douglas, Morrison, Todd, Stevens and Pope Counties. * WHEN...Until 9 AM CDT Saturday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ MNZ044-049>051-054>059-064>067-073>076-082>085-091>093-161200- /O.CON.KMPX.FR.Y.0008.211016T0600Z-211016T1400Z/ Mille Lacs-Stearns-Benton-Sherburne-Lac Qui Parle-Swift-Chippewa- Kandiyohi-Meeker-Wright-Yellow Medicine-Renville-McLeod-Sibley- Redwood-Brown-Nicollet-Le Sueur-Watonwan-Blue Earth-Waseca-Steele- Martin-Faribault-Freeborn- Including the cities of Princeton, St Cloud, Sauk Rapids, Elk River, Madison, Benson, Montevideo, Willmar, Litchfield, Monticello, Granite Falls, Olivia, Hutchinson, Gaylord, Redwood Falls, New Ulm, St Peter, Le Sueur, St James, Mankato, Waseca, Owatonna, Fairmont, Blue Earth, and Albert Lea 1043 PM CDT Fri Oct 15 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT SATURDAY... * WHAT...Temperatures in the low to mid 30s will result in frost formation. * WHERE...Portions of central, east central, south central, southwest and west central Minnesota. * WHEN...Until 9 AM CDT Saturday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
993 WWUS73 KMPX 160857 NPWMPX URGENT - WEATHER MESSAGE National Weather Service Twin Cities/Chanhassen MN 357 AM CDT Sat Oct 16 2021 MNZ041>043-047-048-161400- /O.CON.KMPX.FZ.W.0005.000000T0000Z-211016T1400Z/ Douglas-Todd-Morrison-Stevens-Pope- Including the cities of Alexandria, Long Prairie, Little Falls, Morris, and Glenwood 357 AM CDT Sat Oct 16 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING... * WHAT...Temperatures as low as 32. * WHERE...Douglas, Morrison, Todd, Stevens and Pope Counties. * WHEN...Until 9 AM CDT this morning. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ MNZ044-049>051-054>059-064>067-073>076-082>085-091>093-161400- /O.CON.KMPX.FR.Y.0008.000000T0000Z-211016T1400Z/ Mille Lacs-Stearns-Benton-Sherburne-Lac Qui Parle-Swift-Chippewa- Kandiyohi-Meeker-Wright-Yellow Medicine-Renville-McLeod-Sibley- Redwood-Brown-Nicollet-Le Sueur-Watonwan-Blue Earth-Waseca-Steele- Martin-Faribault-Freeborn- Including the cities of Princeton, St Cloud, Sauk Rapids, Elk River, Madison, Benson, Montevideo, Willmar, Litchfield, Monticello, Granite Falls, Olivia, Hutchinson, Gaylord, Redwood Falls, New Ulm, St Peter, Le Sueur, St James, Mankato, Waseca, Owatonna, Fairmont, Blue Earth, and Albert Lea 357 AM CDT Sat Oct 16 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING... * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Portions of central, east central, south central, southwest and west central Minnesota. * WHEN...Until 9 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. && $$
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 15, 11:56 AM CDT | Freeze Warning | MPX | Douglas, Morrison, Pope, Stevens, Todd | 21 hr |
Nearby
Frost 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.