Alert archive / Michigan / Frost Advisories in 2021
Frost Advisory 6, NWS Gaylord, MI
NWS Gaylord, MI issued this frost advisory at May 26, 2021, 3:16 AM EDT for 17 counties in Michigan. It took effect at May 27, 2021, 2:00 AM EDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- May 26, 2021, 3:16 AM EDT (07:16 UTC)
- In effect from
- May 27, 2021, 2:00 AM EDT
- Expired
- May 27, 2021, 8:00 AM EDT
- In force
- 6 hr
- Issued by
- NWS Gaylord, MI
Counties Alpena County, MI, Antrim County, MI, Cheboygan County, MI, Chippewa County, MI, Crawford County, MI, Emmet County, MI, Grand Traverse County, MI, Kalkaska County, MI, Mackinac 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), 12 km from the middle of the area, began a volume at 07:17 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, 7.3 hours before the alert went out and 176 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
- 90 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 1566 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 102 m²/s²
- 0-3 km storm-relative helicity
- 137 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted.
348 WWUS73 KAPX 260716 NPWAPX URGENT - WEATHER MESSAGE National Weather Service Gaylord MI 316 AM EDT Wed May 26 2021 MIZ021>023-026>029-032>035-086-087-095-096-261530- /O.NEW.KAPX.FR.Y.0006.210527T0600Z-210527T1200Z/ Antrim-Otsego-Montmorency-Grand Traverse-Kalkaska-Crawford-Oscoda- Wexford-Missaukee-Roscommon-Ogemaw-Western Chippewa- Central Chippewa-Western Mackinac-Eastern Mackinac- Including the cities of Mancelona, Gaylord, Atlanta, Traverse City, Kalkaska, Grayling, Mio, Cadillac, Lake City, Houghton Lake, West Branch, Paradise, Trout Lake, Rudyard, Sault Ste. Marie, Brimley, Kinross, Sugar Island, Engadine, Naubinway, Epoufette, St. Ignace, Brevort, and Les Cheneaux Islands 316 AM EDT Wed May 26 2021 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM EDT THURSDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Portions of Eastern Upper and Northern Lower Michigan. * WHEN...From 2 AM to 8 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. && $$
4 follow-up statements
958 WWUS73 KAPX 261437 NPWAPX URGENT - WEATHER MESSAGE National Weather Service Gaylord MI 1037 AM EDT Wed May 26 2021 MIZ021>023-026>029-032>035-086-087-095-096-270000- /O.CON.KAPX.FR.Y.0006.210527T0600Z-210527T1200Z/ Antrim-Otsego-Montmorency-Grand Traverse-Kalkaska-Crawford-Oscoda- Wexford-Missaukee-Roscommon-Ogemaw-Western Chippewa- Central Chippewa-Western Mackinac-Eastern Mackinac- Including the cities of Mancelona, Gaylord, Atlanta, Traverse City, Kalkaska, Grayling, Mio, Cadillac, Lake City, Houghton Lake, West Branch, Paradise, Trout Lake, Rudyard, Sault Ste. Marie, Brimley, Kinross, Sugar Island, Engadine, Naubinway, Epoufette, St. Ignace, Brevort, and Les Cheneaux Islands 1037 AM EDT Wed May 26 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM EDT THURSDAY... * WHAT...Low temperatures in the lower to middle 30s will result in frost formation late tonight. * WHERE...Portions of Eastern Upper and Northern Lower Michigan. * WHEN...From 2 AM to 8 AM EDT Thursday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
730 WWUS73 KAPX 261853 NPWAPX URGENT - WEATHER MESSAGE National Weather Service Gaylord MI 253 PM EDT Wed May 26 2021 MIZ016>018-024-270800- /O.EXA.KAPX.FR.Y.0006.210527T0600Z-210527T1200Z/ Emmet-Cheboygan-Presque Isle-Alpena- Including the cities of Petoskey, Cheboygan, Rogers City, and Alpena 253 PM EDT Wed May 26 2021 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM EDT THURSDAY... * WHAT...Low temperatures in the lower to middle 30s will result in frost formation late tonight. * WHERE...Emmet, Cheboygan, Presque Isle and Alpena Counties. * WHEN...From 2 AM to 8 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. && $$ MIZ021>023-026>029-032>035-086-087-095-096-270800- /O.CON.KAPX.FR.Y.0006.210527T0600Z-210527T1200Z/ Antrim-Otsego-Montmorency-Grand Traverse-Kalkaska-Crawford-Oscoda- Wexford-Missaukee-Roscommon-Ogemaw-Western Chippewa- Central Chippewa-Western Mackinac-Eastern Mackinac- Including the cities of Mancelona, Gaylord, Atlanta, Traverse City, Kalkaska, Grayling, Mio, Cadillac, Lake City, Houghton Lake, West Branch, Paradise, Trout Lake, Rudyard, Sault Ste. Marie, Brimley, Kinross, Sugar Island, Engadine, Naubinway, Epoufette, St. Ignace, Brevort, and Les Cheneaux Islands 253 PM EDT Wed May 26 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM EDT THURSDAY... * WHAT...Low temperatures in the lower to middle 30s will result in frost formation late tonight. * WHERE...Portions of Eastern Upper and Northern Lower Michigan. * WHEN...From 2 AM to 8 AM EDT Thursday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
447 WWUS73 KAPX 270321 NPWAPX URGENT - WEATHER MESSAGE National Weather Service Gaylord MI 1121 PM EDT Wed May 26 2021 MIZ016>018-021>024-026>029-032>035-086-087-095-096-271130- /O.CON.KAPX.FR.Y.0006.210527T0600Z-210527T1200Z/ Emmet-Cheboygan-Presque Isle-Antrim-Otsego-Montmorency-Alpena- Grand Traverse-Kalkaska-Crawford-Oscoda-Wexford-Missaukee- Roscommon-Ogemaw-Western Chippewa-Central Chippewa- Western Mackinac-Eastern Mackinac- Including the cities of Petoskey, Cheboygan, Rogers City, Mancelona, Gaylord, Atlanta, Alpena, Traverse City, Kalkaska, Grayling, Mio, Cadillac, Lake City, Houghton Lake, West Branch, Paradise, Trout Lake, Rudyard, Sault Ste. Marie, Brimley, Kinross, Sugar Island, Engadine, Naubinway, Epoufette, St. Ignace, Brevort, and Les Cheneaux Islands 1121 PM EDT Wed May 26 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THURSDAY... * WHAT...Temperatures as low as 32 degrees will result in frost formation. * WHERE...Portions of Eastern Upper and Northern Lower Michigan. * WHEN...Until 8 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. && $$
832 WWUS73 KAPX 270632 NPWAPX URGENT - WEATHER MESSAGE National Weather Service Gaylord MI 232 AM EDT Thu May 27 2021 MIZ016>018-021>024-026>029-032>035-086-087-095-096-271200- /O.CON.KAPX.FR.Y.0006.000000T0000Z-210527T1200Z/ Emmet-Cheboygan-Presque Isle-Antrim-Otsego-Montmorency-Alpena- Grand Traverse-Kalkaska-Crawford-Oscoda-Wexford-Missaukee- Roscommon-Ogemaw-Western Chippewa-Central Chippewa- Western Mackinac-Eastern Mackinac- Including the cities of Petoskey, Cheboygan, Rogers City, Mancelona, Gaylord, Atlanta, Alpena, Traverse City, Kalkaska, Grayling, Mio, Cadillac, Lake City, Houghton Lake, West Branch, Paradise, Trout Lake, Rudyard, Sault Ste. Marie, Brimley, Kinross, Sugar Island, Engadine, Naubinway, Epoufette, St. Ignace, Brevort, and Les Cheneaux Islands 232 AM EDT Thu May 27 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Portions of Eastern Upper and Northern Lower Michigan. * WHEN...Until 8 AM EDT this morning. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
The office that day
Everything else NWS Gaylord, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 25, 10:44 PM EDT | Special Weather Statement | APX | Antrim | 31 min |
| May 25, 10:53 PM EDT | Special Marine Warning | APX | 52 min | |
| May 25, 11:03 PM EDT | Special Marine Warning | APX | 42 min | |
| May 25, 11:28 PM EDT | Special Marine Warning | APX | 92 min | |
| May 25, 11:36 PM EDT | Special Weather Statement | APX | Cheboygan | 39 min |
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.