Alert archive / Michigan / Freeze Warnings in 2012

Freeze Warning 7, NWS Gaylord, MI

April 6, 201222 counties in Michigan

NWS Gaylord, MI issued this freeze warning at Apr 6, 2012, 4:12 PM EDT for 22 counties in Michigan. It took effect at Apr 7, 2012, 2:00 AM EDT. It was in force for 8 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 6, 2012, 4:12 PM EDT (20:12 UTC)
In effect from
Apr 7, 2012, 2:00 AM EDT
Expired
Apr 7, 2012, 10:00 AM EDT
In force
8 hr
Issued by
NWS Gaylord, MI
All 22 counties

Alcona County, MI, Alpena County, MI, Antrim County, MI, Arenac County, MI, Benzie County, MI, Cheboygan County, MI, Crawford County, MI, Emmet County, MI, Gladwin County, MI, Grand Traverse County, MI, Iosco County, MI, Kalkaska County, MI, Leelanau County, MI, Manistee 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), 21 km from the middle of the area, began a volume at 20:09 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, 8.2 hours before the alert went out and 184 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, Alpena, MI at 12:00Z on 2012-04-06Temperature 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, Alpena, MI at 12:00Z on 2012-04-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -16 square meters per square second.19395878Sfc1 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
1468 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
-16 m²/s²
0-3 km storm-relative helicity
57 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.

501 
WWUS73 KAPX 062012
NPWAPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GAYLORD MI
412 PM EDT FRI APR 6 2012

...HARD FREEZE AGAIN TONIGHT...

.HIGH PRESSURE WILL CONTINUE TO SLOWLY BUILD...ACROSS THE GREAT
LAKES THROUGH EARLY SATURDAY MORNING. THIS PATTERN HAS YIELDED
CHILLY TEMPERATURES AS IT HAS MOVED OVER THE REGION. THE
TEMPERATURES ARE EXPECTED TO BE IN THE LOWER 20S AGAIN WITH SOME
LOCATIONS DIPPING INTO THE TEENS. 

MIZ016>036-041-042-070415-
/O.NEW.KAPX.FZ.W.0007.120407T0600Z-120407T1400Z/
EMMET-CHEBOYGAN-PRESQUE ISLE-CHARLEVOIX-LEELANAU-ANTRIM-OTSEGO-
MONTMORENCY-ALPENA-BENZIE-GRAND TRAVERSE-KALKASKA-CRAWFORD-OSCODA-
ALCONA-MANISTEE-WEXFORD-MISSAUKEE-ROSCOMMON-OGEMAW-IOSCO-GLADWIN-
ARENAC-
INCLUDING THE CITIES OF...PETOSKEY...CHEBOYGAN...ROGERS CITY...
CHARLEVOIX...NORTHPORT...MANCELONA...GAYLORD...ATLANTA...ALPENA...
FRANKFORT...TRAVERSE CITY...KALKASKA...GRAYLING...MIO...
HARRISVILLE...MANISTEE...CADILLAC...LAKE CITY...HOUGHTON LAKE...
WEST BRANCH...TAWAS CITY...GLADWIN...STANDISH
412 PM EDT FRI APR 6 2012

...FREEZE WARNING IN EFFECT FROM 2 AM TO 10 AM EDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 2 AM TO 10 AM EDT SATURDAY. 

HAZARDOUS WEATHER...

 * TEMPERATURES ARE EXPECTED TO FALL INTO THE LOWER 20S ALONG THE
   GREAT LAKES COASTLINE...AND INTO THE TEENS OVER INTERIOR AREAS.

 * COLDER TEMPERATURES WILL RESULT IN ANOTHER HARD FREEZE FRIDAY
   NIGHT.

IMPACTS...

 * DAMAGE TO EMERGING VEGETATION IS EXPECTED. MOST VULNERABLE
   WILL BE FRUIT TREES ON WHICH BLOSSOMS HAVE FORMED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$
2 follow-up statements
717 
WWUS73 KAPX 070202
NPWAPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GAYLORD MI
1002 PM EDT FRI APR 6 2012

...HARD FREEZE AGAIN TONIGHT...

.HIGH PRESSURE WILL CONTINUE TO SLOWLY BUILD...ACROSS THE GREAT
LAKES THROUGH EARLY SATURDAY MORNING. THIS PATTERN HAS YIELDED
CHILLY TEMPERATURES AS IT HAS MOVED OVER THE REGION. THE
TEMPERATURES ARE EXPECTED TO BE IN THE LOWER 20S AGAIN WITH SOME
LOCATIONS DIPPING INTO THE TEENS.

MIZ016>036-041-042-071015-
/O.CON.KAPX.FZ.W.0007.120407T0600Z-120407T1400Z/
EMMET-CHEBOYGAN-PRESQUE ISLE-CHARLEVOIX-LEELANAU-ANTRIM-OTSEGO-
MONTMORENCY-ALPENA-BENZIE-GRAND TRAVERSE-KALKASKA-CRAWFORD-OSCODA-
ALCONA-MANISTEE-WEXFORD-MISSAUKEE-ROSCOMMON-OGEMAW-IOSCO-GLADWIN-
ARENAC-
INCLUDING THE CITIES OF...PETOSKEY...CHEBOYGAN...ROGERS CITY...
CHARLEVOIX...NORTHPORT...MANCELONA...GAYLORD...ATLANTA...ALPENA...
FRANKFORT...TRAVERSE CITY...KALKASKA...GRAYLING...MIO...
HARRISVILLE...MANISTEE...CADILLAC...LAKE CITY...HOUGHTON LAKE...
WEST BRANCH...TAWAS CITY...GLADWIN...STANDISH
1002 PM EDT FRI APR 6 2012

...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 10 AM EDT
SATURDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 10 AM EDT
SATURDAY. 

HAZARDOUS WEATHER...

 * TEMPERATURES ARE EXPECTED TO FALL INTO THE LOWER 20S ALONG 
   THE GREAT LAKES COASTLINE...AND INTO THE TEENS OVER INTERIOR 
   AREAS. 

 * COLDER TEMPERATURES WILL RESULT IN ANOTHER HARD FREEZE TONIGHT. 

IMPACTS...

 * DAMAGE TO EMERGING VEGETATION IS EXPECTED. MOST VULNERABLE 
   WILL BE FRUIT TREES ON WHICH BLOSSOMS HAVE FORMED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$
541 
WWUS73 KAPX 070709
NPWAPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GAYLORD MI
309 AM EDT SAT APR 7 2012

...HARD FREEZE OVERNIGHT...

.HIGH PRESSURE...NEARLY OVERHEAD WILL CAUSE TEMPERATURES THROUGH
EARLY MORNING TO FALL WELL BELOW FREEZING...RESULTING IN A HARD
FREEZE.  

MIZ016>036-041-042-071400-
/O.CON.KAPX.FZ.W.0007.000000T0000Z-120407T1400Z/
EMMET-CHEBOYGAN-PRESQUE ISLE-CHARLEVOIX-LEELANAU-ANTRIM-OTSEGO-
MONTMORENCY-ALPENA-BENZIE-GRAND TRAVERSE-KALKASKA-CRAWFORD-OSCODA-
ALCONA-MANISTEE-WEXFORD-MISSAUKEE-ROSCOMMON-OGEMAW-IOSCO-GLADWIN-
ARENAC-
INCLUDING THE CITIES OF...PETOSKEY...CHEBOYGAN...ROGERS CITY...
CHARLEVOIX...NORTHPORT...MANCELONA...GAYLORD...ATLANTA...ALPENA...
FRANKFORT...TRAVERSE CITY...KALKASKA...GRAYLING...MIO...
HARRISVILLE...MANISTEE...CADILLAC...LAKE CITY...HOUGHTON LAKE...
WEST BRANCH...TAWAS CITY...GLADWIN...STANDISH
309 AM EDT SAT APR 7 2012

...FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM EDT THIS
MORNING...

A FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM EDT THIS MORNING. 

HAZARDOUS WEATHER...

 * TEMPERATURES ARE EXPECTED TO FALL INTO THE LOWER 20S ALONG THE
   GREAT LAKES COASTLINE...AND INTO THE TEENS OVER INTERIOR AREAS.
   THIS WILL RESULT IN A HARD FREEZE.

IMPACTS...

 * DAMAGE TO EMERGING VEGETATION IS EXPECTED. MOST VULNERABLE 
   WILL BE FRUIT TREES ON WHICH BLOSSOMS HAVE FORMED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$

ARNOTT

Nearby

Freeze Warnings in Michigan, 2012Every freeze warning 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.