Alert archive / Wisconsin / Freeze Warnings in 2012

Freeze Warning 13, NWS Green Bay, WI

October 6, 20126 counties in Wisconsin

NWS Green Bay, WI issued this freeze warning at Oct 6, 2012, 4:34 AM CDT for 6 counties in Wisconsin. It took effect at Oct 7, 2012, 1:00 AM CDT. It was in force for 3 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
Oct 6, 2012, 4:34 AM CDT (09:34 UTC)
In effect from
Oct 7, 2012, 1:00 AM CDT
Expired
Oct 7, 2012, 3:47 AM CDT
In force
3 hr
Issued by
NWS Green Bay, WI

Counties Brown County, WI, Calumet County, WI, Kewaunee County, WI, Manitowoc County, WI, Outagamie County, WI, Winnebago County, WI

The radar

The Green Bay radar (KGRB), 26 km from the middle of the area, began a volume at 09:35 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

Green Bay/Straub, WI (KGRB), launched 00:00Z, 9.6 hours before the alert went out and 23 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, Green Bay/Straub, WI at 00:00Z on 2012-10-06Temperature 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, Green Bay/Straub, WI at 00:00Z on 2012-10-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -28 square meters per square second.1939587897117Sfc1 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
1711 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
-28 m²/s²
0-3 km storm-relative helicity
-42 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.

555 
WWUS73 KGRB 060934
NPWGRB

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREEN BAY WI
434 AM CDT SAT OCT 6 2012

...A HARD FREEZE EXPECTED IN THE FOX VALLEY AND LAKESHORE COUNTIES
LATE TONIGHT...

.WEAK HIGH PRESSURE WILL BRING CLEARING SKIES AND DECREASING WINDS
TO THE REGION TONIGHT. THESE CONDITIONS...COMBINED WITH A COOL
CANADIAN AIR MASS...WILL RESULT IN SUB-FREEZING TEMPERATURES OVER
MUCH OF THE FOX VALLEY AND LAKESHORE REGION EARLY SUNDAY MORNING.

WIZ038>040-048>050-061745-
/O.NEW.KGRB.FZ.W.0013.121007T0600Z-121007T1300Z/
OUTAGAMIE-BROWN-KEWAUNEE-WINNEBAGO-CALUMET-MANITOWOC-
INCLUDING THE CITIES OF...APPLETON...GREEN BAY...ALGOMA...
OSHKOSH...CHILTON...TWO RIVERS
434 AM CDT SAT OCT 6 2012

...FREEZE WARNING IN EFFECT FROM 1 AM TO 8 AM CDT SUNDAY...

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 1 AM TO 8 AM CDT SUNDAY. 

* TEMPERATURES WILL DROP INTO THE 25 TO 30 RANGE EARLY SUNDAY
  MORNING. THIS WILL RESULT IN A HARD FREEZE...EXCEPT FOR
  LOCATIONS RIGHT ALONG THE LAKESHORE IN KEWAUNEE AND MANITOWOC
  COUNTIES.

* A HARD FREEZE WILL KILL COLD-SENSITIVE VEGETATION...UNLESS IT
  IS PROTECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE EXPECTED.
THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION.

&&

$$
TSK
4 follow-up statements
539 
WWUS73 KGRB 061649
NPWGRB

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREEN BAY WI
1149 AM CDT SAT OCT 6 2012

...A HARD FREEZE EXPECTED IN THE FOX VALLEY AND LAKESHORE
COUNTIES LATE TONIGHT...

.WEAK HIGH PRESSURE WILL BRING CLEARING SKIES AND DECREASING
WINDS TO THE REGION TONIGHT. THESE CONDITIONS...COMBINED WITH A
COOL CANADIAN AIR MASS...WILL RESULT IN SUB-FREEZING TEMPERATURES
OVER MUCH OF THE FOX VALLEY AND LAKESHORE REGION EARLY SUNDAY
MORNING.

WIZ038>040-048>050-062030-
/O.CON.KGRB.FZ.W.0013.121007T0600Z-121007T1300Z/
OUTAGAMIE-BROWN-KEWAUNEE-WINNEBAGO-CALUMET-MANITOWOC-
INCLUDING THE CITIES OF...APPLETON...GREEN BAY...ALGOMA...
OSHKOSH...CHILTON...TWO RIVERS
1149 AM CDT SAT OCT 6 2012

...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 8 AM CDT
SUNDAY...

* TEMPERATURES WILL DROP INTO THE 25 TO 30 RANGE EARLY SUNDAY 
  MORNING. THIS WILL RESULT IN A HARD FREEZE...EXCEPT FOR 
  LOCATIONS RIGHT ALONG THE LAKESHORE IN KEWAUNEE AND MANITOWOC 
  COUNTIES. 

* A HARD FREEZE WILL KILL COLD-SENSITIVE VEGETATION...UNLESS IT 
  IS PROTECTED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE EXPECTED.
THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION.

&&

$$

AK
489 
WWUS73 KGRB 061924
NPWGRB

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREEN BAY WI
224 PM CDT SAT OCT 6 2012

...A HARD FREEZE EXPECTED IN THE FOX VALLEY AND LAKESHORE
COUNTIES LATE TONIGHT...

.WEAK HIGH PRESSURE WILL BRING CLEARING SKIES AND DECREASING
WINDS TO THE REGION TONIGHT. THESE CONDITIONS...COMBINED WITH A
COOL CANADIAN AIR MASS...WILL RESULT IN SUB-FREEZING TEMPERATURES
OVER MUCH OF THE FOX VALLEY AND LAKESHORE REGION EARLY SUNDAY
MORNING. AREAS OF FROST ARE ALSO EXPECTED ACROSS INTERIOR SECTIONS
OF DOOR COUNTY WHERE TEMPERATURES COULD APPROACH THE FREEZING MARK.

WIZ038>040-048>050-070330-
/O.CON.KGRB.FZ.W.0013.121007T0600Z-121007T1300Z/
OUTAGAMIE-BROWN-KEWAUNEE-WINNEBAGO-CALUMET-MANITOWOC-
INCLUDING THE CITIES OF...APPLETON...GREEN BAY...ALGOMA...
OSHKOSH...CHILTON...TWO RIVERS
224 PM CDT SAT OCT 6 2012

...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 8 AM CDT
SUNDAY...

* TEMPERATURES WILL DROP INTO THE 25 TO 30 RANGE EARLY SUNDAY 
  MORNING. THIS WILL RESULT IN A HARD FREEZE...EXCEPT FOR 
  LOCATIONS RIGHT ALONG THE LAKESHORE IN KEWAUNEE AND MANITOWOC 
  COUNTIES. 

* A HARD FREEZE WILL KILL COLD-SENSITIVE VEGETATION...UNLESS IT 
  IS PROTECTED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE EXPECTED.
THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION.

&&

$$

WIZ022-070330-
/O.NEW.KGRB.FR.Y.0012.121007T0600Z-121007T1300Z/
DOOR-
INCLUDING THE CITY OF...STURGEON BAY
224 PM CDT SAT OCT 6 2012

...FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT SUNDAY...

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM 1 AM TO 8 AM CDT SUNDAY. 

* TEMPERATURE...TEMPERATURES WILL DROP INTO THE LOWER TO MIDDLE
  30S OVER INTERIOR SECTIONS OF DOOR COUNTY EARLY SUNDAY MORNING.

* IMPACTS...PLANTS THAT ARE SENSITIVE TO THE COLD SHOULD BE EITHER
  COVERED OR BROUGHT INDOORS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS EXPECTED. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$

AK
656 
WWUS73 KGRB 070230
NPWGRB

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREEN BAY WI
930 PM CDT SAT OCT 6 2012

...FREEZING TEMPERATURES LIKELY OVER EAST-CENTRAL WISCONSIN...

.DECREASING CLOUDS AND LIGHT WINDS SHOULD ALLOW OVERNIGHT LOW
TEMPERATURES AT MOST LOCATIONS TO FALL BELOW FREEZING. AREAS OF
FROST ARE ALSO EXPECTED ACROSS INTERIOR SECTIONS OF DOOR COUNTY...
WHERE TEMPERATURES COULD APPROACH THE FREEZING MARK.

WIZ038>040-048>050-071300-
/O.CON.KGRB.FZ.W.0013.121007T0600Z-121007T1300Z/
OUTAGAMIE-BROWN-KEWAUNEE-WINNEBAGO-CALUMET-MANITOWOC-
INCLUDING THE CITIES OF...APPLETON...GREEN BAY...ALGOMA...
OSHKOSH...CHILTON...TWO RIVERS
930 PM CDT SAT OCT 6 2012

...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 8 AM CDT
SUNDAY...

* OVERNIGHT LOW TEMPERATURES ARE EXPECTED TO FALL BELOW FREEZING
  AT MOST AREAS.

* THE COLD TEMPERATURES WILL KILL COLD-SENSITIVE VEGETATION...
  UNLESS IT IS PROTECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE EXPECTED.
THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION.

&&

$$

WIZ022-071300-
/O.CON.KGRB.FR.Y.0012.121007T0600Z-121007T1300Z/
DOOR-
INCLUDING THE CITY OF...STURGEON BAY
930 PM CDT SAT OCT 6 2012

...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM CDT
SUNDAY...

* OVERNIGHT LOW TEMPERATURES ARE EXPECTED TO FALL TO NEAR FREEZING
  OVER INTERIOR PORTIONS OF THE DOOR PENINSULA.

* FROST IS POSSIBLE...AND THE FROST COULD KILL COLD-SENSITIVE
  VEGETATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS EXPECTED. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$

SKOWRONSKI
249 
WWUS73 KGRB 070847
NPWGRB

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREEN BAY WI
347 AM CDT SUN OCT 7 2012

WIZ038>040-048>050-071000-
/O.CAN.KGRB.FZ.W.0013.000000T0000Z-121007T1300Z/
OUTAGAMIE-BROWN-KEWAUNEE-WINNEBAGO-CALUMET-MANITOWOC-
INCLUDING THE CITIES OF...APPLETON...GREEN BAY...ALGOMA...
OSHKOSH...CHILTON...TWO RIVERS
347 AM CDT SUN OCT 7 2012

...FREEZE WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS CANCELLED THE
FREEZE WARNING. 

CLOUDS ARE EXPECTED TO PERSIST OVER EAST CENTRAL WISCONSIN EARLY
THIS MORNING...SO TEMPERATURES WILL REMAIN ABOVE FREEZING.

$$

WIZ022-071000-
/O.CAN.KGRB.FR.Y.0012.000000T0000Z-121007T1300Z/
DOOR-
INCLUDING THE CITY OF...STURGEON BAY
347 AM CDT SUN OCT 7 2012

...FROST ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS CANCELLED THE FROST
ADVISORY. 

PATCHY CLOUD COVER AND NORTHWEST WINDS 5 TO 10 MPH WILL PREVENT
WIDESPREAD FROST FROM DEVELOPING THIS MORNING.

$$
TSK

The office that day

Everything else NWS Green Bay, WI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 6, 2:24 PM CDTFrost AdvisoryGRBDoor13 hr

Nearby

Freeze Warnings in Wisconsin, 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.