Alert archive / Michigan / Freeze Warnings in 2021

Freeze Warning 3, NWS Gaylord, MI

April 20, 20216 counties in Michigan

NWS Gaylord, MI issued this freeze warning at Apr 20, 2021, 9:55 AM EDT for 6 counties in Michigan. It took effect at Apr 20, 2021, 8:00 PM EDT. It was in force for 16 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
Apr 20, 2021, 9:55 AM EDT (13:55 UTC)
In effect from
Apr 20, 2021, 8:00 PM EDT
Expired
Apr 21, 2021, 12:00 PM EDT
In force
16 hr
Issued by
NWS Gaylord, MI

Counties Antrim County, MI, Benzie County, MI, Charlevoix County, MI, Grand Traverse County, MI, Leelanau County, MI, Manistee County, MI

The radar

The NCL Michigan radar (KAPX), 81 km from the middle of the area, began a volume at 13:57 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, 1.9 hours before the alert went out and 191 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, Green Bay/Straub, WI at 12:00Z on 2021-04-20Temperature 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, Green Bay/Straub, WI at 12:00Z on 2021-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -84 square meters per square second.1939587897117136Sfc1 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
1165 m above ground
0-6 km bulk shear
80 kt
0-1 km storm-relative helicity
-84 m²/s²
0-3 km storm-relative helicity
-30 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

828 
WWUS73 KAPX 201355
NPWAPX

URGENT - WEATHER MESSAGE
National Weather Service Gaylord MI
955 AM EDT Tue Apr 20 2021

MIZ020-021-025-026-031-099-210000-
/O.CAN.KAPX.FZ.W.0002.000000T0000Z-210420T1600Z/
/O.NEW.KAPX.FZ.W.0003.210421T0000Z-210421T1600Z/
Leelanau-Antrim-Benzie-Grand Traverse-Manistee-Charlevoix-
Including the cities of Northport, Mancelona, Frankfort, 
Traverse City, Manistee, and Charlevoix
955 AM EDT Tue Apr 20 2021

...FREEZE WARNING IN EFFECT FROM 8 PM THIS EVENING TO NOON EDT
WEDNESDAY...

* WHAT...Sub-freezing temperatures in the lower and middle 20s
  expected, with isolated colder temperatures.

* WHERE...Leelanau, Antrim, Benzie, Grand Traverse, Manistee and 
  Charlevoix Counties.

* WHEN...From 8 PM this evening to noon EDT Wednesday.

* 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.

&&

$$
3 follow-up statements
456 
WWUS73 KAPX 201924
NPWAPX

URGENT - WEATHER MESSAGE
National Weather Service Gaylord MI
324 PM EDT Tue Apr 20 2021

MIZ020-021-025-026-031-099-210600-
/O.CON.KAPX.FZ.W.0003.210421T0000Z-210421T1600Z/
Leelanau-Antrim-Benzie-Grand Traverse-Manistee-Charlevoix-
Including the cities of Northport, Mancelona, Frankfort, 
Traverse City, Manistee, and Charlevoix
324 PM EDT Tue Apr 20 2021

...FREEZE WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO
NOON EDT WEDNESDAY...

* WHAT...Sub-freezing temperatures in the lower and middle 20s 
  expected, with isolated colder temperatures.

* WHERE...Leelanau, Antrim, Benzie, Grand Traverse, Manistee and 
  Charlevoix Counties.

* WHEN...From 8 PM this evening to noon EDT Wednesday.

* 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.

&&

$$
915 
WWUS73 KAPX 210101
NPWAPX

URGENT - WEATHER MESSAGE
National Weather Service Gaylord MI
901 PM EDT Tue Apr 20 2021

MIZ020-021-025-026-031-099-210915-
/O.CON.KAPX.FZ.W.0003.000000T0000Z-210421T1600Z/
Leelanau-Antrim-Benzie-Grand Traverse-Manistee-Charlevoix-
Including the cities of Northport, Mancelona, Frankfort, 
Traverse City, Manistee, and Charlevoix
901 PM EDT Tue Apr 20 2021

...FREEZE WARNING REMAINS IN EFFECT UNTIL NOON EDT WEDNESDAY...

* WHAT...Sub-freezing temperatures in the lower and middle 20s 
  expected, with isolated colder temperatures.

* WHERE...Leelanau, Antrim, Benzie, Grand Traverse, Manistee and 
  Charlevoix Counties.

* WHEN...From 8 PM this evening to noon EDT Wednesday.

* 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.

&&

$$
657 
WWUS73 KAPX 210749
NPWAPX

URGENT - WEATHER MESSAGE
National Weather Service Gaylord MI
349 AM EDT Wed Apr 21 2021

MIZ020-021-025-026-031-099-211600-
/O.CON.KAPX.FZ.W.0003.000000T0000Z-210421T1600Z/
Leelanau-Antrim-Benzie-Grand Traverse-Manistee-Charlevoix-
Including the cities of Northport, Mancelona, Frankfort, 
Traverse City, Manistee, and Charlevoix
349 AM EDT Wed Apr 21 2021

...FREEZE WARNING REMAINS IN EFFECT UNTIL NOON EDT TODAY...

* WHAT...Sub-freezing temperatures as low as 22.

* WHERE...Leelanau, Antrim, Benzie, Grand Traverse, Manistee and 
  Charlevoix Counties.

* WHEN...Until noon EDT today.

* 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.

&&

$$

Nearby

Freeze Warnings in Michigan, 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.