Alert archive / Michigan / Frost Advisories in 2021
Frost Advisory 1, NWS Gaylord, MI
NWS Gaylord, MI issued this frost advisory at May 5, 2021, 3:24 AM EDT for 18 counties in Michigan. It took effect at May 6, 2021, 12:00 AM EDT. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- May 5, 2021, 3:24 AM EDT (07:24 UTC)
- In effect from
- May 6, 2021, 12:00 AM EDT
- Expired
- May 6, 2021, 9:00 AM EDT
- In force
- 9 hr
- Issued by
- NWS Gaylord, MI
Counties Alcona County, MI, Alpena County, MI, Antrim County, MI, Charlevoix County, MI, Cheboygan County, MI, Crawford County, MI, Emmet County, MI, Grand Traverse County, MI, Iosco County, MI, Kalkaska County, MI, Missaukee County, MI, Montmorency County, MI, Ogemaw County, MI, Oscoda County, MI, Otsego County, MI, Presque Isle County, MI, Roscommon County, MI, Wexford County, MI
The radar
The NCL Michigan radar (KAPX), 17 km from the middle of the area, began a volume at 07:22 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 00:00Z, 7.4 hours before the alert went out and 170 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
- 2 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 462 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- -98 m²/s²
- 0-3 km storm-relative helicity
- 42 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
793 WWUS73 KAPX 050724 NPWAPX URGENT - WEATHER MESSAGE National Weather Service Gaylord MI 324 AM EDT Wed May 5 2021 MIZ016>018-022-023-099-051530- /O.NEW.KAPX.FR.Y.0001.210506T0400Z-210506T1300Z/ Emmet-Cheboygan-Presque Isle-Otsego-Montmorency-Charlevoix- Including the cities of Petoskey, Cheboygan, Rogers City, Gaylord, Atlanta, and Charlevoix 324 AM EDT Wed May 5 2021 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT THURSDAY... * WHAT...Temperatures as low as 34 and expected light winds overnight, will likely result in frost formation over much of the area. * WHERE...Emmet, Cheboygan, Presque Isle, Otsego, Montmorency and Charlevoix Counties. * WHEN...From midnight tonight to 9 AM EDT Thursday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
4 follow-up statements
760 WWUS73 KAPX 051342 NPWAPX URGENT - WEATHER MESSAGE National Weather Service Gaylord MI 942 AM EDT Wed May 5 2021 MIZ016>018-022-023-099-052300- /O.CON.KAPX.FR.Y.0001.210506T0400Z-210506T1300Z/ Emmet-Cheboygan-Presque Isle-Otsego-Montmorency-Charlevoix- Including the cities of Petoskey, Cheboygan, Rogers City, Gaylord, Atlanta, and Charlevoix 942 AM EDT Wed May 5 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT THURSDAY... * WHAT...Temperatures as low as 34 and expected light winds overnight, will likely result in frost formation over much of the area. * WHERE...Emmet, Cheboygan, Presque Isle, Otsego, Montmorency and Charlevoix Counties. * WHEN...From midnight tonight to 9 AM EDT Thursday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
575 WWUS73 KAPX 051925 NPWAPX URGENT - WEATHER MESSAGE National Weather Service Gaylord MI 325 PM EDT Wed May 5 2021 MIZ021-024-026>030-032>036-060600- /O.EXA.KAPX.FR.Y.0001.210506T0400Z-210506T1300Z/ Antrim-Alpena-Grand Traverse-Kalkaska-Crawford-Oscoda-Alcona- Wexford-Missaukee-Roscommon-Ogemaw-Iosco- Including the cities of Mancelona, Alpena, Traverse City, Kalkaska, Grayling, Mio, Harrisville, Cadillac, Lake City, Houghton Lake, West Branch, and Tawas City 325 PM EDT Wed May 5 2021 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT THURSDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Portions of Northern Lower Michigan. * WHEN...From midnight tonight to 9 AM EDT Thursday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ MIZ016>018-022-023-099-060600- /O.CON.KAPX.FR.Y.0001.210506T0400Z-210506T1300Z/ Emmet-Cheboygan-Presque Isle-Otsego-Montmorency-Charlevoix- Including the cities of Petoskey, Cheboygan, Rogers City, Gaylord, Atlanta, and Charlevoix 325 PM EDT Wed May 5 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT THURSDAY... * WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...Cheboygan, Emmet, Presque Isle, Montmorency, Charlevoix and Otsego Counties. * WHEN...From midnight tonight to 9 AM EDT Thursday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
728 WWUS73 KAPX 060104 NPWAPX URGENT - WEATHER MESSAGE National Weather Service Gaylord MI 904 PM EDT Wed May 5 2021 MIZ016>018-021>024-026>030-032>036-099-060915- /O.CON.KAPX.FR.Y.0001.210506T0400Z-210506T1300Z/ Emmet-Cheboygan-Presque Isle-Antrim-Otsego-Montmorency-Alpena- Grand Traverse-Kalkaska-Crawford-Oscoda-Alcona-Wexford-Missaukee- Roscommon-Ogemaw-Iosco-Charlevoix- Including the cities of Petoskey, Cheboygan, Rogers City, Mancelona, Gaylord, Atlanta, Alpena, Traverse City, Kalkaska, Grayling, Mio, Harrisville, Cadillac, Lake City, Houghton Lake, West Branch, Tawas City, and Charlevoix 904 PM EDT Wed May 5 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT THURSDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Portions of Northern Lower Michigan. * WHEN...From midnight tonight to 9 AM EDT Thursday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
024 WWUS73 KAPX 060731 NPWAPX URGENT - WEATHER MESSAGE National Weather Service Gaylord MI 331 AM EDT Thu May 6 2021 MIZ016>018-021>024-026>030-032>036-099-061300- /O.CON.KAPX.FR.Y.0001.000000T0000Z-210506T1300Z/ Emmet-Cheboygan-Presque Isle-Antrim-Otsego-Montmorency-Alpena- Grand Traverse-Kalkaska-Crawford-Oscoda-Alcona-Wexford-Missaukee- Roscommon-Ogemaw-Iosco-Charlevoix- Including the cities of Petoskey, Cheboygan, Rogers City, Mancelona, Gaylord, Atlanta, Alpena, Traverse City, Kalkaska, Grayling, Mio, Harrisville, Cadillac, Lake City, Houghton Lake, West Branch, Tawas City, and Charlevoix 331 AM EDT Thu May 6 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... * WHAT...Temperatures as low as 31 will result in frosty conditions over much of northern lower Michigan through daybreak. * WHERE...Portions of Northern Lower Michigan. * WHEN...Until 9 AM EDT this morning. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
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.