Alert archive / Wisconsin / Frost Advisories in 2012

Frost Advisory 9, NWS Green Bay, WI

September 22, 20128 counties in Wisconsin

NWS Green Bay, WI issued this frost advisory at Sep 22, 2012, 2:49 PM CDT for 8 counties in Wisconsin. It took effect at Sep 23, 2012, 1:00 AM CDT. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Sep 22, 2012, 2:49 PM CDT (19:49 UTC)
In effect from
Sep 23, 2012, 1:00 AM CDT
Expired
Sep 23, 2012, 5:13 AM CDT
In force
4 hr
Issued by
NWS Green Bay, WI

Counties Brown County, WI, Calumet County, WI, Florence County, WI, Forest County, WI, Marinette County, WI, Oconto County, WI, Outagamie County, WI, Winnebago County, WI

The radar

The Green Bay radar (KGRB), 44 km from the middle of the area, began a volume at 20:02 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 12:00Z, 7.8 hours before the alert went out and 47 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 12:00Z on 2012-09-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2012-09-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 square meters per square second.193958Sfc1 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
1 J/kg
Mixed-layer CIN
-69 J/kg
Mixed-layer LCL
723 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
35 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.

400 
WWUS73 KGRB 221949
NPWGRB

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREEN BAY WI
249 PM CDT SAT SEP 22 2012

...FREEZING TEMPERATURES EXPECTED TONIGHT...

.FREEZING TEMPERATURES ARE EXPECTED ACROSS PORTIONS OF CENTRAL...
NORTH-CENTRAL AND NORTHEAST WISCONSIN. 

WIZ018-030-035-036-045-230400-
/O.UPG.KGRB.FZ.A.0003.120923T0600Z-120923T1300Z/
/O.NEW.KGRB.FZ.W.0012.120923T0600Z-120923T1300Z/
LINCOLN-MARATHON-WOOD-PORTAGE-WAUSHARA-
INCLUDING THE CITIES OF...TOMAHAWK...WAUSAU...WISCONSIN RAPIDS...
STEVENS POINT...WAUTOMA
249 PM CDT SAT SEP 22 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. THE
FREEZE WATCH IS NO LONGER IN EFFECT. 

* OVERNIGHT LOW TEMPERATURES ARE EXPECTED TO FALL INTO THE UPPER 
  20S OR LOWER 30S. 

* IMPACTS...PLANTS THAT ARE SENSITIVE TO THE COLD SHOULD BE COVERED
  OR BROUGHT INSIDE IF POSSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

WIZ005-010-019-020-031-037-230400-
/O.NEW.KGRB.FZ.W.0012.120923T0600Z-120923T1300Z/
VILAS-ONEIDA-LANGLADE-MENOMINEE-SHAWANO-WAUPACA-
INCLUDING THE CITIES OF...EAGLE RIVER...RHINELANDER...ANTIGO...
KESHENA
249 PM CDT SAT SEP 22 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. THE
FREEZE WATCH IS NO LONGER IN EFFECT. 

* OVERNIGHT LOW TEMPERATURES ARE EXPECTED TO FALL INTO THE UPPER 
  20S OR LOWER 30S. 

* IMPACTS...PLANTS THAT ARE SENSITIVE TO THE COLD SHOULD BE
  COVERED OR BROUGHT INSIDE IF POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

WIZ011>013-021-038-039-048-049-073-074-230400-
/O.NEW.KGRB.FR.Y.0009.120923T0600Z-120923T1300Z/
FOREST-FLORENCE-NORTHERN MARINETTE-NORTHERN OCONTO-OUTAGAMIE-
BROWN-WINNEBAGO-CALUMET-SOUTHERN MARINETTE-SOUTHERN OCONTO-
INCLUDING THE CITIES OF...CRANDON...APPLETON...GREEN BAY...
OSHKOSH...CHILTON...CRIVITZ
249 PM CDT SAT SEP 22 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...LOW TEMPERATURES IN THE LOWER TO MIDDLE 30S
  ARE EXPECTED SUNDAY MORNING. 

* IMPACTS...PLANTS THAT ARE SENSITIVE TO FROST COULD BE DAMAGED
  AND SHOULD BE COVERED OR BROUGHT INSIDE IF POSSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
ECKBERG
3 follow-up statements
924 
WWUS73 KGRB 230301
NPWGRB

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREEN BAY WI
1001 PM CDT SAT SEP 22 2012

...A FROST OR FREEZE EXPECTED TONIGHT...

.NORTHWEST WINDS WILL CONTINUE TO CIRCULATE COLD AIR INTO NORTHERN
AND CENTRAL WISCONSIN OVERNIGHT. IF SKIES CLEAR AND WINDS BECOME
LIGHT...A FROST OR FREEZE WILL OCCUR OVER NORTHERN AND CENTRAL
WISCONSIN EXCEPT FOR THE LAKESHORE COUNTIES. 

WIZ005-010-018>020-030-031-035>037-045-231100-
/O.CON.KGRB.FZ.W.0012.120923T0600Z-120923T1300Z/
VILAS-ONEIDA-LINCOLN-LANGLADE-MENOMINEE-MARATHON-SHAWANO-WOOD-
PORTAGE-WAUPACA-WAUSHARA-
INCLUDING THE CITIES OF...EAGLE RIVER...RHINELANDER...TOMAHAWK...
ANTIGO...KESHENA...WAUSAU...WISCONSIN RAPIDS...STEVENS POINT...
WAUTOMA
1001 PM CDT SAT SEP 22 2012

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

* OVERNIGHT LOW TEMPERATURES ARE EXPECTED TO FALL INTO THE UPPER 
  20S OR LOWER 30S. 

* IMPACTS...PLANTS THAT ARE SENSITIVE TO THE COLD SHOULD BE 
  COVERED OR BROUGHT INSIDE IF POSSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

WIZ011>013-021-038-039-048-049-073-074-231100-
/O.CON.KGRB.FR.Y.0009.120923T0600Z-120923T1300Z/
FOREST-FLORENCE-NORTHERN MARINETTE-NORTHERN OCONTO-OUTAGAMIE-
BROWN-WINNEBAGO-CALUMET-SOUTHERN MARINETTE-SOUTHERN OCONTO-
INCLUDING THE CITIES OF...CRANDON...APPLETON...GREEN BAY...
OSHKOSH...CHILTON...CRIVITZ
1001 PM CDT SAT SEP 22 2012

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

* TEMPERATURE...LOW TEMPERATURES IN THE 30S ARE EXPECTED SUNDAY
  MORNING.

* IMPACTS...PLANTS THAT ARE SENSITIVE TO FROST COULD BE DAMAGED 
  AND SHOULD BE COVERED OR BROUGHT INSIDE IF POSSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
605 
WWUS73 KGRB 230713
NPWGRB

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREEN BAY WI
213 AM CDT SUN SEP 23 2012

WIZ005-010-018>020-030-031-035>037-045-231300-
/O.CON.KGRB.FZ.W.0012.000000T0000Z-120923T1300Z/
VILAS-ONEIDA-LINCOLN-LANGLADE-MENOMINEE-MARATHON-SHAWANO-WOOD-
PORTAGE-WAUPACA-WAUSHARA-
INCLUDING THE CITIES OF...EAGLE RIVER...RHINELANDER...TOMAHAWK...
ANTIGO...KESHENA...WAUSAU...WISCONSIN RAPIDS...STEVENS POINT...
WAUTOMA
213 AM CDT SUN SEP 23 2012

...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING...

* TEMPERATURES THIS MORNING ARE EXPECTED TO FALL BELOW FREEZING IN
  CLIMATOLOGICALLY COLD SPOTS...AND NEAR FREEZING ELSEWHERE.

* EVEN IN AREAS WHERE AIR TEMPERATURES REMAIN A COUPLE DEGREES
  ABOVE FREEZING...TEMPERATURES RIGHT AT GROUND LEVEL COULD BE A
  LITTLE COLDER AND RESULT IN THE FORMATION OF FROST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

WIZ011>013-021-038-039-048-049-073-074-231300-
/O.CON.KGRB.FR.Y.0009.000000T0000Z-120923T1300Z/
FOREST-FLORENCE-NORTHERN MARINETTE-NORTHERN OCONTO-OUTAGAMIE-
BROWN-WINNEBAGO-CALUMET-SOUTHERN MARINETTE-SOUTHERN OCONTO-
INCLUDING THE CITIES OF...CRANDON...APPLETON...GREEN BAY...
OSHKOSH...CHILTON...CRIVITZ
213 AM CDT SUN SEP 23 2012

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING...

* TEMPERATURES THIS MORNING EXPECTED TO FALL CLOSE TO FREEZING.

* EVEN IF AIR TEMPERATURES REMAIN A COUPLE DEGREES ABOVE
  FREEZING...TEMPERATURES RIGHT AT GROUND LEVEL COULD BE A LITTLE
  COLDER AND RESULT IN THE FORMATION OF FROST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

JS
281 
WWUS73 KGRB 231013
NPWGRB

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREEN BAY WI
513 AM CDT SUN SEP 23 2012

WIZ005-010-018>020-030-031-037-231115-
/O.CAN.KGRB.FZ.W.0012.000000T0000Z-120923T1300Z/
VILAS-ONEIDA-LINCOLN-LANGLADE-MENOMINEE-MARATHON-SHAWANO-WAUPACA-
INCLUDING THE CITIES OF...EAGLE RIVER...RHINELANDER...TOMAHAWK...
ANTIGO...KESHENA...WAUSAU
513 AM CDT SUN SEP 23 2012

...FREEZE WARNING IS CANCELLED...

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

$$

WIZ011>013-021-038-039-048-049-073-074-231115-
/O.CAN.KGRB.FR.Y.0009.000000T0000Z-120923T1300Z/
FOREST-FLORENCE-NORTHERN MARINETTE-NORTHERN OCONTO-OUTAGAMIE-
BROWN-WINNEBAGO-CALUMET-SOUTHERN MARINETTE-SOUTHERN OCONTO-
INCLUDING THE CITIES OF...CRANDON...APPLETON...GREEN BAY...
OSHKOSH...CHILTON...CRIVITZ
513 AM CDT SUN SEP 23 2012

...FROST ADVISORY IS CANCELLED...

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

$$

WIZ035-036-045-231300-
/O.CON.KGRB.FZ.W.0012.000000T0000Z-120923T1300Z/
WOOD-PORTAGE-WAUSHARA-
INCLUDING THE CITIES OF...WISCONSIN RAPIDS...STEVENS POINT...
WAUTOMA
513 AM CDT SUN SEP 23 2012

...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING...

* TEMPERATURES IN CLIMATOLOGICALLY COLD SPOTS WILL FALL TO NEAR OR
  BELOW FREEZING AROUND SUNRISE.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 22, 4:17 AM CDTFreeze WatchGRBLincoln, Marathon, Portage, Waushara, Wood11 hr
Sep 22, 2:49 PM CDTFreeze WarningGRBLanglade, Lincoln, Marathon, Menominee, Oneida, Portage and 5 more17 hr

Nearby

Frost Advisories in Wisconsin, 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.