Alert archive / Michigan / Frost Advisories in 2021
Frost Advisory 3, NWS Gaylord, MI
NWS Gaylord, MI issued this frost advisory at May 11, 2021, 3:55 PM EDT for 6 counties in Michigan. It took effect at May 12, 2021, 1:00 AM EDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- May 11, 2021, 3:55 PM EDT (19:55 UTC)
- In effect from
- May 12, 2021, 1:00 AM EDT
- Expired
- May 12, 2021, 8:00 AM EDT
- In force
- 7 hr
- Issued by
- NWS Gaylord, MI
Counties Alcona County, MI, Alpena County, MI, Arenac County, MI, Gladwin County, MI, Iosco County, MI, Leelanau County, MI
The radar
The NCL Michigan radar (KAPX), 65 km from the middle of the area, began a volume at 19:54 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, 7.9 hours before the alert went out and 145 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
- 6 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 465 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 3 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
708 WWUS73 KAPX 111955 NPWAPX URGENT - WEATHER MESSAGE National Weather Service Gaylord MI 355 PM EDT Tue May 11 2021 MIZ016>018-021>023-025>029-031>035-099-120400- /O.NEW.KAPX.FZ.W.0012.210512T0500Z-210512T1200Z/ Emmet-Cheboygan-Presque Isle-Antrim-Otsego-Montmorency-Benzie- Grand Traverse-Kalkaska-Crawford-Oscoda-Manistee-Wexford- Missaukee-Roscommon-Ogemaw-Charlevoix- Including the cities of Petoskey, Cheboygan, Rogers City, Mancelona, Gaylord, Atlanta, Frankfort, Traverse City, Kalkaska, Grayling, Mio, Manistee, Cadillac, Lake City, Houghton Lake, West Branch, and Charlevoix 355 PM EDT Tue May 11 2021 ...FREEZE WARNING IN EFFECT FROM 1 AM TO 8 AM EDT WEDNESDAY... * WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Portions of Northern Lower Michigan. * WHEN...From 1 AM to 8 AM EDT Wednesday. * IMPACTS...Frost and freeze conditions will damage crops and other sensitive vegetation. 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. && $$ MIZ020-024-030-036-041-042-120400- /O.NEW.KAPX.FR.Y.0003.210512T0500Z-210512T1200Z/ Leelanau-Alpena-Alcona-Iosco-Gladwin-Arenac- Including the cities of Northport, Alpena, Harrisville, Tawas City, Gladwin, and Standish 355 PM EDT Tue May 11 2021 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM EDT WEDNESDAY... * WHAT...Temperatures as low as 31 will result in frost formation. * WHERE...Leelanau, Alpena, Alcona, Iosco, Gladwin and Arenac Counties. * WHEN...From 1 AM to 8 AM EDT Wednesday. * IMPACTS...Frost could damage sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ JPB
1 follow-up statement
744 WWUS73 KAPX 120115 NPWAPX URGENT - WEATHER MESSAGE National Weather Service Gaylord MI 915 PM EDT Tue May 11 2021 MIZ016>018-021>023-025>029-031>035-099-120915- /O.CON.KAPX.FZ.W.0012.210512T0500Z-210512T1200Z/ Emmet-Cheboygan-Presque Isle-Antrim-Otsego-Montmorency-Benzie- Grand Traverse-Kalkaska-Crawford-Oscoda-Manistee-Wexford- Missaukee-Roscommon-Ogemaw-Charlevoix- Including the cities of Petoskey, Cheboygan, Rogers City, Mancelona, Gaylord, Atlanta, Frankfort, Traverse City, Kalkaska, Grayling, Mio, Manistee, Cadillac, Lake City, Houghton Lake, West Branch, and Charlevoix 915 PM EDT Tue May 11 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 8 AM EDT WEDNESDAY... * WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Portions of Northern Lower Michigan. * WHEN...From 1 AM to 8 AM EDT Wednesday. * IMPACTS...Frost and freeze conditions will damage crops and other sensitive vegetation. 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. && $$ MIZ020-024-030-036-041-042-120915- /O.CON.KAPX.FR.Y.0003.210512T0500Z-210512T1200Z/ Leelanau-Alpena-Alcona-Iosco-Gladwin-Arenac- Including the cities of Northport, Alpena, Harrisville, Tawas City, Gladwin, and Standish 915 PM EDT Tue May 11 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM EDT WEDNESDAY... * WHAT...Temperatures as low as 31 will result in frost formation. * WHERE...Leelanau, Alpena, Alcona, Iosco, Gladwin and Arenac Counties. * WHEN...From 1 AM to 8 AM EDT Wednesday. * IMPACTS...Frost could damage sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
The office that day
Everything else NWS Gaylord, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 11, 3:52 AM EDT | Small Craft Advisory | APX | 20 hr | |
| May 11, 3:55 PM EDT | Freeze Warning | APX | Antrim, Benzie, Charlevoix, Cheboygan, Crawford, Emmet and 11 more | 16 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.