Alert archive / Michigan / Frost Advisories in 2021

Frost Advisory 5, NWS Gaylord, MI

May 13, 202117 counties in Michigan

NWS Gaylord, MI issued this frost advisory at May 13, 2021, 12:21 PM EDT for 17 counties in Michigan. It took effect at May 14, 2021, 12:00 AM EDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
May 13, 2021, 12:21 PM EDT (16:21 UTC)
In effect from
May 14, 2021, 12:00 AM EDT
Expired
May 14, 2021, 7:29 AM EDT
In force
7 hr
Issued by
NWS Gaylord, MI

Counties Alcona County, MI, Alpena County, MI, Antrim County, MI, Arenac County, MI, Benzie County, MI, Charlevoix County, MI, Cheboygan County, MI, Emmet County, MI, Gladwin County, MI, Grand Traverse County, MI, Iosco County, MI, Leelanau County, MI, Manistee County, MI, Montmorency County, MI, Ogemaw County, MI, Otsego County, MI, Presque Isle County, MI

The radar

The NCL Michigan radar (KAPX), 11 km from the middle of the area, began a volume at 16:21 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

Alpena, MI (KAPX), launched 12:00Z, 4.4 hours before the alert went out and 179 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, Alpena, MI at 12:00Z on 2021-05-13Temperature 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, Alpena, MI at 12:00Z on 2021-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 square meters per square second.1939Sfc1 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
2475 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
21 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

249 
WWUS73 KAPX 131621
NPWAPX

URGENT - WEATHER MESSAGE
National Weather Service Gaylord MI
1221 PM EDT Thu May 13 2021

MIZ027>029-032>034-140300-
/O.NEW.KAPX.FZ.W.0014.210514T0400Z-210514T1200Z/
Kalkaska-Crawford-Oscoda-Wexford-Missaukee-Roscommon-
Including the cities of Kalkaska, Grayling, Mio, Cadillac, 
Lake City, and Houghton Lake
1221 PM EDT Thu May 13 2021

...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT
FRIDAY...

* WHAT...Sub-freezing temperatures as low as 30 degrees are 
  expected.

* WHERE...Kalkaska, Crawford, Oscoda, Wexford, Missaukee and 
  Roscommon Counties.

* WHEN...From midnight tonight to 8 AM EDT Friday.

* 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.

&&

$$

MIZ016>018-020>026-030-031-035-036-041-042-099-140300-
/O.NEW.KAPX.FR.Y.0005.210514T0400Z-210514T1200Z/
Emmet-Cheboygan-Presque Isle-Leelanau-Antrim-Otsego-Montmorency-
Alpena-Benzie-Grand Traverse-Alcona-Manistee-Ogemaw-Iosco-Gladwin-
Arenac-Charlevoix-
Including the cities of Petoskey, Cheboygan, Rogers City, 
Northport, Mancelona, Gaylord, Atlanta, Alpena, Frankfort, 
Traverse City, Harrisville, Manistee, West Branch, Tawas City, 
Gladwin, Standish, and Charlevoix
1221 PM EDT Thu May 13 2021

...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT
FRIDAY...

* WHAT...Temperatures as low as 35 will result in frost formation,
  especially in low lying areas away from the coast.

* WHERE...Portions of Northern Lower Michigan.

* WHEN...From midnight tonight to 8 AM EDT Friday.

* IMPACTS...Frost could kill sensitive outdoor vegetation if 
  left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$
JK
4 follow-up statements
663 
WWUS73 KAPX 131945
NPWAPX

URGENT - WEATHER MESSAGE
National Weather Service Gaylord MI
345 PM EDT Thu May 13 2021

MIZ027>029-032>034-140400-
/O.CON.KAPX.FZ.W.0014.210514T0400Z-210514T1200Z/
Kalkaska-Crawford-Oscoda-Wexford-Missaukee-Roscommon-
Including the cities of Kalkaska, Grayling, Mio, Cadillac, 
Lake City, and Houghton Lake
345 PM EDT Thu May 13 2021

...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM
EDT FRIDAY...

* WHAT...Sub-freezing temperatures as low as 30 degrees are
  expected. The coldest temperatures are likely in low lying
  areas.

* WHERE...Kalkaska, Crawford, Oscoda, Wexford, Missaukee and 
  Roscommon Counties.

* WHEN...From midnight tonight to 8 AM EDT Friday.

* IMPACTS...Frost and freeze conditions can damage crops and other
  sensitive vegetation.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. 

&&

$$

MIZ016>018-020>026-030-031-035-036-041-042-099-140400-
/O.CON.KAPX.FR.Y.0005.210514T0400Z-210514T1200Z/
Emmet-Cheboygan-Presque Isle-Leelanau-Antrim-Otsego-Montmorency-
Alpena-Benzie-Grand Traverse-Alcona-Manistee-Ogemaw-Iosco-Gladwin-
Arenac-Charlevoix-
Including the cities of Petoskey, Cheboygan, Rogers City, 
Northport, Mancelona, Gaylord, Atlanta, Alpena, Frankfort, 
Traverse City, Harrisville, Manistee, West Branch, Tawas City, 
Gladwin, Standish, and Charlevoix
345 PM EDT Thu May 13 2021

...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM
EDT FRIDAY...

* WHAT...Temperatures as low as 35 degrees will result in frost 
  formation, especially in low lying areas away from the coast.

* WHERE...Portions of Northern Lower Michigan.

* WHEN...From midnight tonight to 8 AM EDT Friday.

* IMPACTS...Frost could damage sensitive outdoor vegetation if 
  left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$
JK
138 
WWUS73 KAPX 140311
NPWAPX

URGENT - WEATHER MESSAGE
National Weather Service Gaylord MI
1111 PM EDT Thu May 13 2021

MIZ027>029-032>034-141115-
/O.CON.KAPX.FZ.W.0014.210514T0400Z-210514T1200Z/
Kalkaska-Crawford-Oscoda-Wexford-Missaukee-Roscommon-
Including the cities of Kalkaska, Grayling, Mio, Cadillac, 
Lake City, and Houghton Lake
1111 PM EDT Thu May 13 2021

...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM EDT FRIDAY...

* WHAT...Sub-freezing temperatures as low as 30 expected.

* WHERE...Kalkaska, Crawford, Oscoda, Roscommon, Missaukee and 
  Wexford Counties.

* WHEN...Until 8 AM EDT Friday.

* 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.

&&

$$

MIZ016>018-020>026-030-031-035-036-041-042-099-141115-
/O.CON.KAPX.FR.Y.0005.210514T0400Z-210514T1200Z/
Emmet-Cheboygan-Presque Isle-Leelanau-Antrim-Otsego-Montmorency-
Alpena-Benzie-Grand Traverse-Alcona-Manistee-Ogemaw-Iosco-Gladwin-
Arenac-Charlevoix-
Including the cities of Petoskey, Cheboygan, Rogers City, 
Northport, Mancelona, Gaylord, Atlanta, Alpena, Frankfort, 
Traverse City, Harrisville, Manistee, West Branch, Tawas City, 
Gladwin, Standish, and Charlevoix
1111 PM EDT Thu May 13 2021

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT FRIDAY...

* WHAT...Temperatures as low as 33 will result in frost 
  formation.

* WHERE...Portions of Northern Lower Michigan.

* WHEN...Until 8 AM EDT Friday.

* IMPACTS...Frost could kill sensitive outdoor vegetation if 
  left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$
010 
WWUS73 KAPX 141039
NPWAPX

URGENT - WEATHER MESSAGE
National Weather Service Gaylord MI
639 AM EDT Fri May 14 2021

MIZ027>029-032>034-141200-
/O.CON.KAPX.FZ.W.0014.000000T0000Z-210514T1200Z/
Kalkaska-Crawford-Oscoda-Wexford-Missaukee-Roscommon-
Including the cities of Kalkaska, Grayling, Mio, Cadillac, 
Lake City, and Houghton Lake
639 AM EDT Fri May 14 2021

...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING...

* WHAT...Sub-freezing temperatures as low as 30.

* WHERE...Kalkaska, Crawford, Oscoda, Roscommon, Missaukee and 
  Wexford Counties.

* WHEN...Until 8 AM EDT 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.

&&

$$

MIZ016>018-020>026-030-031-035-036-041-042-099-141200-
/O.CON.KAPX.FR.Y.0005.000000T0000Z-210514T1200Z/
Emmet-Cheboygan-Presque Isle-Leelanau-Antrim-Otsego-Montmorency-
Alpena-Benzie-Grand Traverse-Alcona-Manistee-Ogemaw-Iosco-Gladwin-
Arenac-Charlevoix-
Including the cities of Petoskey, Cheboygan, Rogers City, 
Northport, Mancelona, Gaylord, Atlanta, Alpena, Frankfort, 
Traverse City, Harrisville, Manistee, West Branch, Tawas City, 
Gladwin, Standish, and Charlevoix
639 AM EDT Fri May 14 2021

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING...

* WHAT...Temperatures as low as 33 will result in frost 
  formation.

* WHERE...Portions of Northern Lower Michigan.

* WHEN...Until 8 AM EDT 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.

&&

$$
459 
WWUS73 KAPX 141129
NPWAPX

URGENT - WEATHER MESSAGE
National Weather Service Gaylord MI
729 AM EDT Fri May 14 2021

MIZ027>029-032>034-141230-
/O.CAN.KAPX.FZ.W.0014.000000T0000Z-210514T1200Z/
Kalkaska-Crawford-Oscoda-Wexford-Missaukee-Roscommon-
Including the cities of Kalkaska, Grayling, Mio, Cadillac, 
Lake City, and Houghton Lake
729 AM EDT Fri May 14 2021

...FREEZE WARNING IS CANCELLED...

$$

MIZ016>018-020>026-030-031-035-036-041-042-099-141230-
/O.CAN.KAPX.FR.Y.0005.000000T0000Z-210514T1200Z/
Emmet-Cheboygan-Presque Isle-Leelanau-Antrim-Otsego-Montmorency-
Alpena-Benzie-Grand Traverse-Alcona-Manistee-Ogemaw-Iosco-Gladwin-
Arenac-Charlevoix-
Including the cities of Petoskey, Cheboygan, Rogers City, 
Northport, Mancelona, Gaylord, Atlanta, Alpena, Frankfort, 
Traverse City, Harrisville, Manistee, West Branch, Tawas City, 
Gladwin, Standish, and Charlevoix
729 AM EDT Fri May 14 2021

...FROST ADVISORY IS CANCELLED...

$$

The office that day

Everything else NWS Gaylord, MI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 13, 12:21 PM EDTFreeze WarningAPXCrawford, Kalkaska, Missaukee, Oscoda, Roscommon, Wexford19 hr

Nearby

Frost Advisories in Michigan, 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.