Alert archive / Michigan / Frost Advisories in 2012
Frost Advisory 13, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this frost advisory at Sep 26, 2012, 3:47 PM EDT for 7 counties in Michigan. It took effect at Sep 27, 2012, 2:00 AM EDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Sep 26, 2012, 3:47 PM EDT (19:47 UTC)
- In effect from
- Sep 27, 2012, 2:00 AM EDT
- Expired
- Sep 27, 2012, 8:07 AM EDT
- In force
- 6 hr
- Issued by
- NWS Grand Rapids, MI
Counties Gratiot County, MI, Isabella County, MI, Mason County, MI, Mecosta County, MI, Montcalm County, MI, Newaygo County, MI, Oceana County, MI
The radar
The Grand Rapids radar (KGRR), 77 km from the middle of the area, began a volume at 19:50 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
Detroit, MI (KDTX), launched 12:00Z, 7.8 hours before the alert went out and 193 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
- 134 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 490 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- 130 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
422 WWUS73 KGRR 261947 NPWGRR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE GRAND RAPIDS MI 347 PM EDT WED SEP 26 2012 MIZ038>040-270400- /O.NEW.KGRR.FZ.W.0018.120927T0600Z-120927T1300Z/ LAKE-OSCEOLA-CLARE- INCLUDING THE CITIES OF...BALDWIN...REED CITY...CLARE 347 PM EDT WED SEP 26 2012 ...FREEZE WARNING IN EFFECT FROM 2 AM TO 9 AM EDT THURSDAY... THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM 2 AM TO 9 AM EDT THURSDAY. HAZARDOUS WEATHER... * TEMPERATURES WILL FALL TO THE UPPER 20S TO LOWER 30S. IMPACTS... * FREEZING TEMPERATURES PERSISTING FOR 3 HOURS WILL DAMAGE OR KILL TENDER PLANTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A FREEZE WARNING IS ISSUED WHEN FREEZING TEMPERATURES ARE FORECAST TO THREATEN OUTDOOR PLANTS. THOSE WITH AGRICULTURAL INTERESTS IN THE WARNED AREA ARE ADVISED TO HARVEST OR PROTECT TENDER VEGETATION. ALSO... POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE AWAY FROM THE COLD. && $$ MIZ037-043>046-051-052-270400- /O.NEW.KGRR.FR.Y.0013.120927T0600Z-120927T1300Z/ MASON-OCEANA-NEWAYGO-MECOSTA-ISABELLA-MONTCALM-GRATIOT- INCLUDING THE CITIES OF...LUDINGTON...HART...FREMONT... BIG RAPIDS...MOUNT PLEASANT...GREENVILLE...ALMA 347 PM EDT WED SEP 26 2012 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 9 AM EDT THURSDAY... THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 9 AM EDT THURSDAY. HAZARDOUS WEATHER... * FROST CAN BE EXPECTED WITH TEMPERATURES FALLING INTO THE 30S. IMPACTS... * FROST WILL DAMAGE TENDER PLANTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A FROST ADVISORY IS ISSUED WHEN FROST IS EXPECTED TO DEVELOP DURING THE GROWING SEASON. THOSE WITH AGRICULTURAL INTERESTS IN THE ADVISED AREA ARE ADVISED TO HARVEST OR PROTECT TENDER VEGETATION. ALSO... POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE AWAY FROM THE COLD. && $$ OSTUNO
3 follow-up statements
133 WWUS73 KGRR 270231 NPWGRR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE GRAND RAPIDS MI 1031 PM EDT WED SEP 26 2012 MIZ038>040-271045- /O.CON.KGRR.FZ.W.0018.120927T0600Z-120927T1300Z/ LAKE-OSCEOLA-CLARE- INCLUDING THE CITIES OF...BALDWIN...REED CITY...CLARE 1031 PM EDT WED SEP 26 2012 ...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT THURSDAY... HAZARDOUS WEATHER... * TEMPERATURES WILL FALL TO THE UPPER 20S TO MID 30S. THE COLDEST TEMPERATURES WILL OCCUR IN LOW LAYING AREAS. IMPACTS... * FREEZING TEMPERATURES PERSISTING FOR 3 HOURS WILL DAMAGE OR KILL TENDER PLANTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A FREEZE WARNING IS ISSUED WHEN FREEZING TEMPERATURES ARE FORECAST TO THREATEN OUTDOOR PLANTS. THOSE WITH AGRICULTURAL INTERESTS IN THE WARNED AREA ARE ADVISED TO HARVEST OR PROTECT TENDER VEGETATION. ALSO... POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE AWAY FROM THE COLD. && $$ MIZ037-043>046-051-052-271045- /O.CON.KGRR.FR.Y.0013.120927T0600Z-120927T1300Z/ MASON-OCEANA-NEWAYGO-MECOSTA-ISABELLA-MONTCALM-GRATIOT- INCLUDING THE CITIES OF...LUDINGTON...HART...FREMONT... BIG RAPIDS...MOUNT PLEASANT...GREENVILLE...ALMA 1031 PM EDT WED SEP 26 2012 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT THURSDAY... HAZARDOUS WEATHER... * AREAS OF FROST CAN BE EXPECTED WITH TEMPERATURES FALLING INTO THE 30S. IMPACTS... * FROST WILL DAMAGE TENDER PLANTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A FROST ADVISORY IS ISSUED WHEN FROST IS EXPECTED TO DEVELOP DURING THE GROWING SEASON. THOSE WITH AGRICULTURAL INTERESTS IN THE ADVISED AREA ARE ADVISED TO HARVEST OR PROTECT TENDER VEGETATION. ALSO... POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE AWAY FROM THE COLD. && $$ JK
516 WWUS73 KGRR 270747 NPWGRR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE GRAND RAPIDS MI 347 AM EDT THU SEP 27 2012 MIZ038>040-271300- /O.CON.KGRR.FZ.W.0018.000000T0000Z-120927T1300Z/ LAKE-OSCEOLA-CLARE- INCLUDING THE CITIES OF...BALDWIN...REED CITY...CLARE 347 AM EDT THU SEP 27 2012 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... HAZARDOUS WEATHER... * TEMPERATURES WILL FALL TO THE UPPER 20S TO MID 30S. THE COLDEST TEMPERATURES WILL OCCUR IN LOW LAYING AREAS. IMPACTS... * FREEZING TEMPERATURES PERSISTING FOR 3 HOURS WILL DAMAGE OR KILL TENDER PLANTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A FREEZE WARNING IS ISSUED WHEN FREEZING TEMPERATURES ARE FORECAST TO THREATEN OUTDOOR PLANTS. THOSE WITH AGRICULTURAL INTERESTS IN THE WARNED AREA ARE ADVISED TO HARVEST OR PROTECT TENDER VEGETATION. ALSO... POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE AWAY FROM THE COLD. && $$ MIZ037-043>046-051-052-271300- /O.CON.KGRR.FR.Y.0013.000000T0000Z-120927T1300Z/ MASON-OCEANA-NEWAYGO-MECOSTA-ISABELLA-MONTCALM-GRATIOT- INCLUDING THE CITIES OF...LUDINGTON...HART...FREMONT... BIG RAPIDS...MOUNT PLEASANT...GREENVILLE...ALMA 347 AM EDT THU SEP 27 2012 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... HAZARDOUS WEATHER... * AREAS OF FROST CAN BE EXPECTED WITH TEMPERATURES FALLING INTO THE 30S. IMPACTS... * FROST WILL DAMAGE TENDER PLANTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A FROST ADVISORY IS ISSUED WHEN FROST IS EXPECTED TO DEVELOP DURING THE GROWING SEASON. THOSE WITH AGRICULTURAL INTERESTS IN THE ADVISED AREA ARE ADVISED TO HARVEST OR PROTECT TENDER VEGETATION. ALSO... POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE AWAY FROM THE COLD. && $$
115 WWUS73 KGRR 271207 NPWGRR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE GRAND RAPIDS MI 807 AM EDT THU SEP 27 2012 MIZ038>040-271315- /O.CAN.KGRR.FZ.W.0018.000000T0000Z-120927T1300Z/ LAKE-OSCEOLA-CLARE- INCLUDING THE CITIES OF...BALDWIN...REED CITY...CLARE 807 AM EDT THU SEP 27 2012 ...FREEZE WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS CANCELLED THE FREEZE WARNING. HAZARDOUS WEATHER... * CLOUDS KEEP TEMPERATURE FROM FALLING BELOW FREEZING. IMPACTS... * NO IMPACTS ARE EXPECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... * SEND REPORTS TO NWS GRAND RAPIDS OR VISIT WEATHER.GOV/GRR FOR MORE INFORMATION. && $$ MIZ037-043>046-051-052-271315- /O.CAN.KGRR.FR.Y.0013.000000T0000Z-120927T1300Z/ MASON-OCEANA-NEWAYGO-MECOSTA-ISABELLA-MONTCALM-GRATIOT- INCLUDING THE CITIES OF...LUDINGTON...HART...FREMONT... BIG RAPIDS...MOUNT PLEASANT...GREENVILLE...ALMA 807 AM EDT THU SEP 27 2012 ...FROST ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS CANCELLED THE FROST ADVISORY. HAZARDOUS WEATHER... * CLOUDS LIMITED THE DEVELOPMENT OF FROST OVERNIGHT. IMPACTS... * NO IMPACTS ARE EXPECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... * SEND REPORTS TO NWS GRAND RAPIDS OR VISIT WEATHER.GOV/GRR FOR MORE INFORMATION. && $$ WDM
The office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 26, 3:47 PM EDT | Freeze Warning | GRR | Clare, Lake, Osceola | 16 hr |
| Sep 26, 7:11 PM EDT | Small Craft Advisory | GRR | 13 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.