Alert archive / Michigan / Frost Advisories in 2012
Frost Advisory 7, NWS Gaylord, MI
NWS Gaylord, MI issued this frost advisory at Sep 9, 2012, 7:27 PM EDT for Crawford County, Montmorency County, Oscoda County, Michigan. It took effect at Sep 10, 2012, 2:00 AM EDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Sep 9, 2012, 7:27 PM EDT (23:27 UTC)
- In effect from
- Sep 10, 2012, 2:00 AM EDT
- Expired
- Sep 10, 2012, 8:00 AM EDT
- In force
- 6 hr
- Issued by
- NWS Gaylord, MI
Counties Crawford County, MI, Montmorency County, MI, Oscoda County, MI
The radar
The NCL Michigan radar (KAPX), 36 km from the middle of the area, began a volume at 23:31 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, 11.5 hours before the alert went out and 152 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1033 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 75 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
980 WWUS73 KAPX 092327 NPWAPX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE GAYLORD MI 727 PM EDT SUN SEP 9 2012 ...FROST EXPECTED IN SOME INTERIOR SECTIONS OF NORTHERN LOWER MICHIGAN... .COOLER AND DRIER AIR CONTINUES TO ENTER NORTHERN MICHIGAN THIS EVENING. AS CLOUDS CLEAR AND WINDS GO CALM...TEMPERATURES WILL FALL OFF QUICKLY. READINGS WILL END UP A FEW DEGREES COOLER THAN SUNDAY MORNING...WITH LOWS IN THE LOW TO MID 30S IN THE AU SABLE VALLEY AND OTHER USUALLY COLD LOCATIONS IN NORTHERN LOWER MICHIGAN. THAT WILL RESULT IN AREAS OF FROST. MIZ023-028-029-101200- /O.NEW.KAPX.FR.Y.0007.120910T0600Z-120910T1200Z/ MONTMORENCY-CRAWFORD-OSCODA- INCLUDING THE CITIES OF...ATLANTA...GRAYLING...MIO 727 PM EDT SUN SEP 9 2012 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM EDT MONDAY... THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 8 AM EDT MONDAY. HAZARDOUS WEATHER... * LOW TEMPERATURES IN THE LOWER TO MIDDLE 30S...RESULTING IN AREAS OF FROST BY DAYBREAK. IMPACTS... * TENDER VEGETATION MAY BE KILLED IF LEFT OUTSIDE OR OTHERWISE UNPROTECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ JZ
3 follow-up statements
495 WWUS73 KAPX 100226 NPWAPX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE GAYLORD MI 1026 PM EDT SUN SEP 9 2012 ...FROST EXPECTED IN SOME INTERIOR SECTIONS OF NORTHERN LOWER MICHIGAN... .COOL AND DRY AIR IS IN PLACE ACROSS NORTHERN MICHIGAN. WITH MOSTLY CLEAR SKIES AND CALM WINDS...TEMPERATURES WILL FALL OFF QUICKLY IN THE INTERIOR OF NORTHERN LOWER MICHIGAN. READINGS WILL END UP A FEW DEGREES COOLER THAN SUNDAY MORNING...WITH LOWS IN THE LOW TO MID 30S IN THE AU SABLE VALLEY AND OTHER USUALLY COLD LOCATIONS IN NORTHERN LOWER MICHIGAN. THIS WILL RESULT IN AREAS OF FROST. MIZ023-028-029-101200- /O.CON.KAPX.FR.Y.0007.120910T0600Z-120910T1200Z/ MONTMORENCY-CRAWFORD-OSCODA- INCLUDING THE CITIES OF...ATLANTA...GRAYLING...MIO 1026 PM EDT SUN SEP 9 2012 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM EDT MONDAY... A FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM EDT MONDAY. HAZARDOUS WEATHER... * LOW TEMPERATURES IN THE LOWER TO MIDDLE 30S...RESULTING IN AREAS OF FROST BY DAYBREAK. IMPACTS... * TENDER VEGETATION MAY BE KILLED IF LEFT OUTSIDE OR OTHERWISE UNPROTECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ JZ
164 WWUS73 KAPX 100719 NPWAPX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE GAYLORD MI 319 AM EDT MON SEP 10 2012 ...FROST EXPECTED IN SOME INTERIOR SECTIONS OF NORTHERN LOWER MICHIGAN... .COOL AND DRY AIR IS IN PLACE ACROSS NORTHERN MICHIGAN. WITH MOSTLY CLEAR SKIES AND CALM WINDS...TEMPERATURES WILL FALL INTO THE LOW TO MID 30S IN THE AU SABLE VALLEY AND OTHER USUALLY COLD LOCATIONS IN NORTHERN LOWER MICHIGAN EARLY THIS MORNING. THIS WILL RESULT IN AREAS OF FROST. MIZ023-028-029-101200- /O.CON.KAPX.FR.Y.0007.000000T0000Z-120910T1200Z/ MONTMORENCY-CRAWFORD-OSCODA- INCLUDING THE CITIES OF...ATLANTA...GRAYLING...MIO 319 AM EDT MON SEP 10 2012 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING... A FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING. HAZARDOUS WEATHER... * LOW TEMPERATURES IN THE LOWER TO MIDDLE 30S...RESULTING IN AREAS OF FROST BY DAYBREAK. IMPACTS... * TENDER VEGETATION MAY BE KILLED IF LEFT OUTSIDE OR OTHERWISE UNPROTECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$
854 WWUS73 KAPX 101145 NPWAPX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE GAYLORD MI 745 AM EDT MON SEP 10 2012 MIZ023-028-029-101245- /O.EXP.KAPX.FR.Y.0007.000000T0000Z-120910T1200Z/ MONTMORENCY-CRAWFORD-OSCODA- INCLUDING THE CITIES OF...ATLANTA...GRAYLING...MIO 745 AM EDT MON SEP 10 2012 ...FROST ADVISORY WILL EXPIRE AT 8 AM EDT THIS MORNING... THE FROST ADVISORY WILL EXPIRE AT 8 AM EDT THIS MORNING AS TEMPERATURES START THEIR UPWARD CLIMB FOR THE DAY. $$
The office that day
Everything else NWS Gaylord, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 8, 10:30 PM EDT | Small Craft Advisory | APX | 12 hr | |
| Sep 9, 4:02 PM EDT | Gale Watch | APX | 24 hr |
Nearby
Frost Advisories in Michigan, 2012Every frost advisory in 2012
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.