Alert archive / Michigan / Frost Advisories in 2012

Frost Advisory 2, NWS Grand Rapids, MI

March 28, 201215 counties in Michigan

NWS Grand Rapids, MI issued this frost advisory at Mar 28, 2012, 3:17 PM EDT for 15 counties in Michigan. It took effect at Mar 29, 2012, 12:00 AM EDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Mar 28, 2012, 3:17 PM EDT (19:17 UTC)
In effect from
Mar 29, 2012, 12:00 AM EDT
Expired
Mar 29, 2012, 8:00 AM EDT
In force
8 hr
Issued by
NWS Grand Rapids, MI

Counties Allegan County, MI, Barry County, MI, Calhoun County, MI, Clinton County, MI, Eaton County, MI, Gratiot County, MI, Ingham County, MI, Ionia County, MI, Jackson County, MI, Kalamazoo County, MI, Kent County, MI, Montcalm County, MI, Muskegon County, MI, Ottawa County, MI, Van Buren County, MI

The radar

The Grand Rapids radar (KGRR), 28 km from the middle of the area, began a volume at 19:18 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, 7.3 hours before the alert went out and 150 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.

Skew-T log-pSkew-T log-p diagram, Detroit, MI at 12:00Z on 2012-03-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Detroit, MI at 12:00Z on 2012-03-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 134 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1035 m above ground
0-6 km bulk shear
72 kt
0-1 km storm-relative helicity
134 m²/s²
0-3 km storm-relative helicity
145 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

114 
WWUS73 KGRR 281917
NPWGRR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
317 PM EDT WED MAR 28 2012

MIZ037>040-043>046-290330-
/O.UPG.KGRR.FZ.A.0002.120329T0400Z-120329T1300Z/
/O.NEW.KGRR.FZ.W.0003.120329T0400Z-120329T1300Z/
MASON-LAKE-OSCEOLA-CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA-
INCLUDING THE CITIES OF...LUDINGTON...BALDWIN...REED CITY...
CLARE...HART...FREMONT...BIG RAPIDS...MOUNT PLEASANT
317 PM EDT WED MAR 28 2012

...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT
THURSDAY...

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT
THURSDAY. THE FREEZE WATCH IS NO LONGER IN EFFECT. 

HAZARDOUS WEATHER...

 * TEMPERATURES WILL FALL INTO THE UPPER 20S AFTER MIDNIGHT AND
   REMAIN AT OR BELOW FREEZING THROUGH 9 AM. DIMINISHING WINDS AND
   CLEARING SKIES WILL ALLOW WIDESPREAD FROST TO DEVELOP OVERNIGHT
   INTO EARLY THURSDAY MORNING.

IMPACTS...

 * DAMAGE IS LIKELY TO UNPROTECTED SENSITIVE VEGETATION INCLUDING
   NEWLY BUDDED PLANTS AND TREES.

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 PROTECT TENDER
   VEGETATION. 

&&

$$

MIZ050>052-056>059-064>067-071>074-290330-
/O.NEW.KGRR.FR.Y.0002.120329T0400Z-120329T1300Z/
MUSKEGON-MONTCALM-GRATIOT-OTTAWA-KENT-IONIA-CLINTON-ALLEGAN-BARRY-
EATON-INGHAM-VAN BUREN-KALAMAZOO-CALHOUN-JACKSON-
INCLUDING THE CITIES OF...MUSKEGON...GREENVILLE...ALMA...
JENISON...GRAND RAPIDS...IONIA...ST. JOHNS...HOLLAND...HASTINGS...
CHARLOTTE...LANSING...SOUTH HAVEN...KALAMAZOO...BATTLE CREEK...
JACKSON
317 PM EDT WED MAR 28 2012

...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT
THURSDAY...

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT
THURSDAY. 

HAZARDOUS WEATHER...

 * TEMPERATURES WILL FALL INTO THE LOWER TO MID 30 AFTER MIDNIGHT.
   DIMINISHING WINDS AND CLEARING SKIES WILL ALLOW AREAS OF FROST
   TO DEVELOP OVERNIGHT INTO EARLY THURSDAY MORNING.

IMPACTS...

 * DAMAGE IS POSSIBLE TO UNPROTECTED SENSITIVE VEGETATION INCLUDING
   NEWLY BUDDED PLANTS AND TREES.

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 PROTECT TENDER VEGETATION. 

&&

$$

MEADE
3 follow-up statements
750 
WWUS73 KGRR 290220
NPWGRR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1020 PM EDT WED MAR 28 2012

MIZ037>040-043>046-291030-
/O.CON.KGRR.FZ.W.0003.120329T0400Z-120329T1300Z/
MASON-LAKE-OSCEOLA-CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA-
INCLUDING THE CITIES OF...LUDINGTON...BALDWIN...REED CITY...
CLARE...HART...FREMONT...BIG RAPIDS...MOUNT PLEASANT
1020 PM EDT WED MAR 28 2012

...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THURSDAY...

HAZARDOUS WEATHER...

 * TEMPERATURES WILL FALL INTO THE UPPER 20S AFTER MIDNIGHT AND 
   REMAIN AT OR BELOW FREEZING THROUGH 9 AM. DIMINISHING WINDS 
   AND CLEARING SKIES WILL ALLOW WIDESPREAD FROST TO DEVELOP 
   OVERNIGHT INTO EARLY THURSDAY MORNING. 

IMPACTS...

 * DAMAGE IS LIKELY TO UNPROTECTED SENSITIVE VEGETATION 
   INCLUDING NEWLY BUDDED PLANTS AND TREES. 

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 PROTECT TENDER 
   VEGETATION. 

&&

$$

MIZ050>052-056>059-064>067-071>074-291030-
/O.CON.KGRR.FR.Y.0002.120329T0400Z-120329T1300Z/
MUSKEGON-MONTCALM-GRATIOT-OTTAWA-KENT-IONIA-CLINTON-ALLEGAN-BARRY-
EATON-INGHAM-VAN BUREN-KALAMAZOO-CALHOUN-JACKSON-
INCLUDING THE CITIES OF...MUSKEGON...GREENVILLE...ALMA...
JENISON...GRAND RAPIDS...IONIA...ST. JOHNS...HOLLAND...HASTINGS...
CHARLOTTE...LANSING...SOUTH HAVEN...KALAMAZOO...BATTLE CREEK...
JACKSON
1020 PM EDT WED MAR 28 2012

...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THURSDAY...

HAZARDOUS WEATHER...

 * TEMPERATURES WILL FALL INTO THE LOWER TO MID 30 AFTER 
   MIDNIGHT. DIMINISHING WINDS AND CLEARING SKIES WILL ALLOW 
   AREAS OF FROST TO DEVELOP OVERNIGHT INTO EARLY THURSDAY 
   MORNING. 

IMPACTS...

 * DAMAGE IS POSSIBLE TO UNPROTECTED SENSITIVE VEGETATION 
   INCLUDING NEWLY BUDDED PLANTS AND TREES. 

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 PROTECT TENDER VEGETATION. 

&&

$$
341 
WWUS73 KGRR 290750
NPWGRR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
350 AM EDT THU MAR 29 2012

MIZ037>040-043>046-291300-
/O.CON.KGRR.FZ.W.0003.000000T0000Z-120329T1300Z/
MASON-LAKE-OSCEOLA-CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA-
INCLUDING THE CITIES OF...LUDINGTON...BALDWIN...REED CITY...
CLARE...HART...FREMONT...BIG RAPIDS...MOUNT PLEASANT
350 AM EDT THU MAR 29 2012

...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING...

HAZARDOUS WEATHER...

 * TEMPERATURES WILL FALL TO AROUND FREEZING BY SUNRISE BEFORE
   BEGINNING TO RISE BY 9 AM. 

IMPACTS...

 * DAMAGE IS LIKELY TO UNPROTECTED SENSITIVE VEGETATION 
   INCLUDING NEWLY BUDDED PLANTS AND TREES. 

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 PROTECT TENDER 
   VEGETATION. 

&&

$$

MIZ050>052-056>059-064>067-071>074-291300-
/O.CON.KGRR.FR.Y.0002.000000T0000Z-120329T1300Z/
MUSKEGON-MONTCALM-GRATIOT-OTTAWA-KENT-IONIA-CLINTON-ALLEGAN-BARRY-
EATON-INGHAM-VAN BUREN-KALAMAZOO-CALHOUN-JACKSON-
INCLUDING THE CITIES OF...MUSKEGON...GREENVILLE...ALMA...
JENISON...GRAND RAPIDS...IONIA...ST. JOHNS...HOLLAND...HASTINGS...
CHARLOTTE...LANSING...SOUTH HAVEN...KALAMAZOO...BATTLE CREEK...
JACKSON
350 AM EDT THU MAR 29 2012

...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING...

HAZARDOUS WEATHER...

 * TEMPERATURES WILL FALL INTO THE LOWER 30S BY SUNRISE BEFORE
   BEGINNING TO RISE BY 9 AM.

IMPACTS...

 * DAMAGE IS POSSIBLE TO UNPROTECTED SENSITIVE VEGETATION 
   INCLUDING NEWLY BUDDED PLANTS AND TREES. 

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 PROTECT TENDER VEGETATION. 

&&

$$
589 
WWUS73 KGRR 291200
NPWGRR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
800 AM EDT THU MAR 29 2012

MIZ037>040-043>046-291300-
/O.CAN.KGRR.FZ.W.0003.000000T0000Z-120329T1300Z/
MASON-LAKE-OSCEOLA-CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA-
INCLUDING THE CITIES OF...LUDINGTON...BALDWIN...REED CITY...
CLARE...HART...FREMONT...BIG RAPIDS...MOUNT PLEASANT
800 AM EDT THU MAR 29 2012

...FREEZE WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS CANCELLED THE
FREEZE WARNING. 

&&

$$

MIZ050>052-056>059-064>067-071>074-291300-
/O.CAN.KGRR.FR.Y.0002.000000T0000Z-120329T1300Z/
MUSKEGON-MONTCALM-GRATIOT-OTTAWA-KENT-IONIA-CLINTON-ALLEGAN-BARRY-
EATON-INGHAM-VAN BUREN-KALAMAZOO-CALHOUN-JACKSON-
INCLUDING THE CITIES OF...MUSKEGON...GREENVILLE...ALMA...
JENISON...GRAND RAPIDS...IONIA...ST. JOHNS...HOLLAND...HASTINGS...
CHARLOTTE...LANSING...SOUTH HAVEN...KALAMAZOO...BATTLE CREEK...
JACKSON
800 AM EDT THU MAR 29 2012

...FROST ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS CANCELLED THE
FROST ADVISORY. 

&&

$$

OSTUNO

The office that day

Everything else NWS Grand Rapids, MI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 28, 3:43 AM EDTFreeze WatchGRRClare, Isabella, Lake, Mason, Mecosta, Newaygo and 2 more12 hr
Mar 28, 3:17 PM EDTFreeze WarningGRRClare, Isabella, Lake, Mason, Mecosta, Newaygo and 2 more17 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.