Alert archive / Wisconsin / Freeze Warnings in 2021

Freeze Warning 4, NWS Twin Cities, MN

May 28, 20215 counties in Wisconsin; Kanabec County, Minnesota

NWS Twin Cities, MN issued this freeze warning at May 28, 2021, 10:14 AM CDT for 5 counties in Wisconsin; Kanabec County, Minnesota. It took effect at May 29, 2021, 12:00 AM CDT. It was in force for 7 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 28, 2021, 10:14 AM CDT (15:14 UTC)
In effect from
May 29, 2021, 12:00 AM CDT
Expired
May 29, 2021, 7:00 AM CDT
In force
7 hr
Issued by
NWS Twin Cities, MN

Counties Kanabec County, MN, Barron County, WI, Chippewa County, WI, Eau Claire County, WI, Polk County, WI, Rusk County, WI

The radar

The Minneapolis radar (KMPX), 144 km from the middle of the area, began a volume at 15:14 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, 3.2 hours before the alert went out and 146 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.

Skew-T log-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 2021-05-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2021-05-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -11 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
882 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-11 m²/s²
0-3 km storm-relative helicity
26 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

377 
WWUS73 KMPX 281514
NPWMPX

URGENT - WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
1014 AM CDT Fri May 28 2021

WIZ016-027-028-290500-
/O.NEW.KMPX.FZ.W.0004.210529T0500Z-210529T1200Z/
Rusk-Chippewa-Eau Claire-
Including the cities of Ladysmith, Chippewa Falls, and Eau Claire
1014 AM CDT Fri May 28 2021

...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 7 AM CDT
SATURDAY...

* WHAT...Sub-freezing temperatures as low as 31 expected.

* WHERE...Rusk, Chippewa and Eau Claire Counties.

* WHEN...From midnight tonight to 7 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.

&&

$$

MNZ077-078-085-093-WIZ024>026-290500-
/O.NEW.KMPX.FR.Y.0007.210529T0500Z-210529T1200Z/
Rice-Goodhue-Steele-Freeborn-Pierce-Dunn-Pepin-
Including the cities of Faribault, Red Wing, Owatonna, 
Albert Lea, River Falls, Menomonie, and Durand
1014 AM CDT Fri May 28 2021

...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 7 AM CDT
SATURDAY...

* WHAT...Temperatures as low as 34 will result in frost 
  formation.

* WHERE...In Wisconsin, Pierce, Dunn and Pepin Counties. In 
  Minnesota, Rice, Goodhue, Steele and Freeborn Counties.

* WHEN...From midnight tonight to 7 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.

&&

$$
6 follow-up statements
804 
WWUS73 KMPX 281854
NPWMPX

URGENT - WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
154 PM CDT Fri May 28 2021

WIZ016-027-028-291200-
/O.CON.KMPX.FZ.W.0004.210529T0500Z-210529T1200Z/
Rusk-Chippewa-Eau Claire-
Including the cities of Ladysmith, Chippewa Falls, and Eau Claire
154 PM CDT Fri May 28 2021

...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 7 AM
CDT SATURDAY...

* WHAT...Sub-freezing temperatures as low as 31 expected.

* WHERE...Rusk, Chippewa and Eau Claire Counties.

* WHEN...From midnight tonight to 7 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.

&&

$$

MNZ044-045-052-053-084-091-092-WIZ014-015-023-291200-
/O.EXA.KMPX.FR.Y.0007.210529T0500Z-210529T1200Z/
Mille Lacs-Kanabec-Isanti-Chisago-Waseca-Martin-Faribault-Polk-
Barron-St. Croix-
Including the cities of Princeton, Mora, Cambridge, Center City, 
Waseca, Fairmont, Blue Earth, Osceola, Rice Lake, and Hudson
154 PM CDT Fri May 28 2021

...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 7 AM CDT
SATURDAY...

* WHAT...Temperatures as low as 34 will result in frost 
  formation.

* WHERE...In Wisconsin, Polk, Barron and St. Croix Counties. In 
  Minnesota, Mille Lacs, Kanabec, Isanti, Chisago, Waseca, 
  Martin and Faribault Counties.

* WHEN...From midnight tonight to 7 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.

&&

$$

MNZ077-078-085-093-WIZ024>026-291200-
/O.CON.KMPX.FR.Y.0007.210529T0500Z-210529T1200Z/
Rice-Goodhue-Steele-Freeborn-Pierce-Dunn-Pepin-
Including the cities of Faribault, Red Wing, Owatonna, 
Albert Lea, River Falls, Menomonie, and Durand
154 PM CDT Fri May 28 2021

...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 7 AM
CDT SATURDAY...

* WHAT...Temperatures as low as 34 will result in frost 
  formation.

* WHERE...In Wisconsin, Pierce, Dunn and Pepin Counties. In 
  Minnesota, Freeborn, Goodhue, Steele and Rice Counties.

* WHEN...From midnight tonight to 7 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.

&&

$$
709 
WWUS73 KMPX 282105
NPWMPX

URGENT - WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
405 PM CDT Fri May 28 2021

MNZ045-WIZ014-015-290500-
/O.UPG.KMPX.FR.Y.0007.210529T0500Z-210529T1200Z/
/O.EXA.KMPX.FZ.W.0004.210529T0500Z-210529T1200Z/
Kanabec-Polk-Barron-
Including the cities of Mora, Osceola, and Rice Lake
405 PM CDT Fri May 28 2021

...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 7 AM CDT
SATURDAY...

* WHAT...Sub-freezing temperatures as low as 31 expected.

* WHERE...In Wisconsin, Polk and Barron Counties. In Minnesota, 
  Kanabec County.

* WHEN...From midnight tonight to 7 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.

&&

$$

WIZ016-027-028-290500-
/O.CON.KMPX.FZ.W.0004.210529T0500Z-210529T1200Z/
Rusk-Chippewa-Eau Claire-
Including the cities of Ladysmith, Chippewa Falls, and Eau Claire
405 PM CDT Fri May 28 2021

...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 7 AM
CDT SATURDAY...

* WHAT...Sub-freezing temperatures as low as 31 expected.

* WHERE...Rusk, Chippewa and Eau Claire Counties.

* WHEN...From midnight tonight to 7 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.

&&

$$

MNZ044-052-053-077-078-084-085-091>093-WIZ023>026-290500-
/O.CON.KMPX.FR.Y.0007.210529T0500Z-210529T1200Z/
Mille Lacs-Isanti-Chisago-Rice-Goodhue-Waseca-Steele-Martin-
Faribault-Freeborn-St. Croix-Pierce-Dunn-Pepin-
Including the cities of Princeton, Cambridge, Center City, 
Faribault, Red Wing, Waseca, Owatonna, Fairmont, Blue Earth, 
Albert Lea, Hudson, River Falls, Menomonie, and Durand
405 PM CDT Fri May 28 2021

...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 7 AM
CDT SATURDAY...

* WHAT...Temperatures as low as 34 will result in frost 
  formation.

* WHERE...Portions of west central Wisconsin and east central, 
  south central and southeast Minnesota.

* WHEN...From midnight tonight to 7 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.

&&

$$
861 
WWUS73 KMPX 282353
NPWMPX

URGENT - WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
653 PM CDT Fri May 28 2021

MNZ045-WIZ014>016-027-028-290800-
/O.CON.KMPX.FZ.W.0004.210529T0500Z-210529T1200Z/
Kanabec-Polk-Barron-Rusk-Chippewa-Eau Claire-
Including the cities of Mora, Osceola, Rice Lake, Ladysmith, 
Chippewa Falls, and Eau Claire
653 PM CDT Fri May 28 2021

...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 7 AM
CDT SATURDAY...

* WHAT...Sub-freezing temperatures as low as 31 expected.

* WHERE...In Wisconsin, Rusk, Chippewa, Eau Claire, Barron and 
  Polk Counties. In Minnesota, Kanabec County.

* WHEN...From midnight tonight to 7 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.

&&

$$

MNZ044-052-053-077-078-084-085-091>093-WIZ023>026-290800-
/O.CON.KMPX.FR.Y.0007.210529T0500Z-210529T1200Z/
Mille Lacs-Isanti-Chisago-Rice-Goodhue-Waseca-Steele-Martin-
Faribault-Freeborn-St. Croix-Pierce-Dunn-Pepin-
Including the cities of Princeton, Cambridge, Center City, 
Faribault, Red Wing, Waseca, Owatonna, Fairmont, Blue Earth, 
Albert Lea, Hudson, River Falls, Menomonie, and Durand
653 PM CDT Fri May 28 2021

...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 7 AM
CDT SATURDAY...

* WHAT...Temperatures as low as 34 will result in frost 
  formation.

* WHERE...Portions of west central Wisconsin and east central, 
  south central and southeast Minnesota.

* WHEN...From midnight tonight to 7 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.

&&

$$
154 
WWUS73 KMPX 290243
NPWMPX

URGENT - WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
943 PM CDT Fri May 28 2021

MNZ045-WIZ014>016-027-028-291045-
/O.CON.KMPX.FZ.W.0004.210529T0500Z-210529T1200Z/
Kanabec-Polk-Barron-Rusk-Chippewa-Eau Claire-
Including the cities of Mora, Osceola, Rice Lake, Ladysmith, 
Chippewa Falls, and Eau Claire
943 PM CDT Fri May 28 2021

...FREEZE WARNING REMAINS IN EFFECT UNTIL 7 AM CDT SATURDAY...

* WHAT...Sub-freezing temperatures as low as 31 expected.

* WHERE...In Wisconsin, Rusk, Chippewa, Eau Claire, Barron and 
  Polk Counties. In Minnesota, Kanabec County.

* WHEN...Until 7 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.

&&

$$

MNZ044-052-053-077-078-084-085-091>093-WIZ023>026-291045-
/O.CON.KMPX.FR.Y.0007.210529T0500Z-210529T1200Z/
Mille Lacs-Isanti-Chisago-Rice-Goodhue-Waseca-Steele-Martin-
Faribault-Freeborn-St. Croix-Pierce-Dunn-Pepin-
Including the cities of Princeton, Cambridge, Center City, 
Faribault, Red Wing, Waseca, Owatonna, Fairmont, Blue Earth, 
Albert Lea, Hudson, River Falls, Menomonie, and Durand
943 PM CDT Fri May 28 2021

...FROST ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT SATURDAY...

* WHAT...Temperatures as low as 34 will result in frost 
  formation.

* WHERE...Portions of west central Wisconsin and east central, 
  south central and southeast Minnesota.

* WHEN...Until 7 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.

&&

$$
653 
WWUS73 KMPX 290808
NPWMPX

URGENT - WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
308 AM CDT Sat May 29 2021

MNZ045-WIZ014>016-027-028-291200-
/O.CON.KMPX.FZ.W.0004.000000T0000Z-210529T1200Z/
Kanabec-Polk-Barron-Rusk-Chippewa-Eau Claire-
Including the cities of Mora, Osceola, Rice Lake, Ladysmith, 
Chippewa Falls, and Eau Claire
308 AM CDT Sat May 29 2021

...FREEZE WARNING REMAINS IN EFFECT UNTIL 7 AM CDT THIS MORNING...

* WHAT...Sub-freezing temperatures as low as 31 expected.

* WHERE...In Wisconsin, Rusk, Chippewa, Eau Claire, Barron and 
  Polk Counties. In Minnesota, Kanabec County. 

* WHEN...Until 7 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.

&&

$$

MNZ044-052-053-077-078-084-085-091>093-WIZ023>026-291200-
/O.CON.KMPX.FR.Y.0007.000000T0000Z-210529T1200Z/
Mille Lacs-Isanti-Chisago-Rice-Goodhue-Waseca-Steele-Martin-
Faribault-Freeborn-St. Croix-Pierce-Dunn-Pepin-
Including the cities of Princeton, Cambridge, Center City, 
Faribault, Red Wing, Waseca, Owatonna, Fairmont, Blue Earth, 
Albert Lea, Hudson, River Falls, Menomonie, and Durand
308 AM CDT Sat May 29 2021

...FROST ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT THIS MORNING...

* WHAT...Temperatures as low as 34 will result in frost 
  formation. 

* WHERE...Portions of west central Wisconsin and east central, 
  south central and southeast Minnesota. 

* WHEN...Until 7 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.

&&

$$
651 
WWUS73 KMPX 291202
NPWMPX

URGENT - WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
702 AM CDT Sat May 29 2021

MNZ045-WIZ014>016-027-028-291315-
/O.EXP.KMPX.FZ.W.0004.000000T0000Z-210529T1200Z/
Kanabec-Polk-Barron-Rusk-Chippewa-Eau Claire-
Including the cities of Mora, Osceola, Rice Lake, Ladysmith, 
Chippewa Falls, and Eau Claire
702 AM CDT Sat May 29 2021

...FREEZE WARNING HAS EXPIRED...


$$

MNZ044-052-053-077-078-084-085-091>093-WIZ023>026-291315-
/O.EXP.KMPX.FR.Y.0007.000000T0000Z-210529T1200Z/
Mille Lacs-Isanti-Chisago-Rice-Goodhue-Waseca-Steele-Martin-
Faribault-Freeborn-St. Croix-Pierce-Dunn-Pepin-
Including the cities of Princeton, Cambridge, Center City, 
Faribault, Red Wing, Waseca, Owatonna, Fairmont, Blue Earth, 
Albert Lea, Hudson, River Falls, Menomonie, and Durand
702 AM CDT Sat May 29 2021

...FROST ADVISORY HAS EXPIRED...

$$

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 28, 10:14 AM CDTFrost AdvisoryMPXBarron, Dunn, Pepin, Pierce, Polk, Saint Croix21 hr

Nearby

Freeze Warnings in Wisconsin, 2021Freeze Warnings in Minnesota, 2021Every freeze warning 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.