Alert archive / Wisconsin / Freeze Warnings in 2012

Freeze Warning 9, NWS Milwaukee, WI

October 11, 201210 counties in Wisconsin

NWS Milwaukee, WI issued this freeze warning at Oct 11, 2012, 4:04 AM CDT for 10 counties in Wisconsin. It took effect at Oct 12, 2012, 1:00 AM CDT. It was in force for 6 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 11, 2012, 4:04 AM CDT (09:04 UTC)
In effect from
Oct 12, 2012, 1:00 AM CDT
Expired
Oct 12, 2012, 7:00 AM CDT
In force
6 hr
Issued by
NWS Milwaukee, WI

Counties Dane County, WI, Dodge County, WI, Fond du Lac County, WI, Green County, WI, Jefferson County, WI, Rock County, WI, Sheboygan County, WI, Walworth County, WI, Washington County, WI, Waukesha County, WI

The radar

The Milwaukee radar (KMKX), 23 km from the middle of the area, began a volume at 09:08 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, 9.1 hours before the alert went out and 156 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 2012-10-11Temperature 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 2012-10-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 126 square meters per square second.1939587897117136156Sfc1 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
1853 m above ground
0-6 km bulk shear
88 kt
0-1 km storm-relative helicity
126 m²/s²
0-3 km storm-relative helicity
167 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.

430 
WWUS73 KMKX 110904
NPWMKX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
404 AM CDT THU OCT 11 2012

...FREEZING TEMPERATURES ESPECIALLY OVER SOUTH CENTRAL AND
NORTHERN AND WESTERN PORTIONS OF SOUTHEAST WISCONSIN...

.A COLD FRONT WILL MOVE ACROSS SOUTHERN WISCONSIN THIS AFTERNOON
BRINGING MORE COLD TEMPERATURES TONIGHT. AS HIGH PRESSURE BUILDS
INTO WISCONSIN SKIES WILL CLEAR AND WINDS WILL DIMINISH. HOWEVER
NORTHEAST WINDS JUST ABOVE THE SURFACE SHOULD KEEP AREAS A LITTLE
WARMER NEAR LAKE MICHIGAN. 

WIZ051-052-058-059-063>065-068>070-111715-
/O.NEW.KMKX.FZ.W.0009.121012T0600Z-121012T1200Z/
FOND DU LAC-SHEBOYGAN-DODGE-WASHINGTON-DANE-JEFFERSON-WAUKESHA-
GREEN-ROCK-WALWORTH-
INCLUDING THE CITIES OF...FOND DU LAC...SHEBOYGAN...BEAVER DAM...
WEST BEND...MADISON...JEFFERSON...LAKE MILLS...WAUKESHA...
BROOKFIELD...MONROE...JANESVILLE...BELOIT...ELKHORN...LAKE GENEVA
404 AM CDT THU OCT 11 2012

...FREEZE WARNING IN EFFECT FROM 1 AM TO 7 AM CDT FRIDAY...

THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A
FREEZE WARNING...WHICH IS IN EFFECT FROM 1 AM TO 7 AM CDT FRIDAY.

* TIMING...TEMPERATURES WILL DROP QUICKLY LATE TONIGHT AND REACH
  FREEZING DURING THE EARLY MORNING HOURS.

* TEMPERATURE...WILL DROP INTO THE MID 20S TO LOWER 30S.

* IMPACTS...SENSITIVE OUTDOOR VEGETATION WILL BE AT RISK. TAKE THE
  NECESSARY PRECAUTIONS TO PROTECT SENSITIVE PLANTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

WIZ060-066-071-072-111715-
/O.NEW.KMKX.FR.Y.0007.121012T0600Z-121012T1200Z/
OZAUKEE-MILWAUKEE-RACINE-KENOSHA-
INCLUDING THE CITIES OF...PORT WASHINGTON...MILWAUKEE...RACINE...
KENOSHA
404 AM CDT THU OCT 11 2012

...FROST ADVISORY IN EFFECT FROM 1 AM TO 7 AM CDT FRIDAY...

THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A
FROST ADVISORY...WHICH IS IN EFFECT FROM 1 AM TO 7 AM CDT FRIDAY.

* TIMING...TEMPERATURES WILL DROP QUICKLY DURING THE EARLY MORNING
  HOURS. AREAS NEAR LAKE MICHIGAN MAY STAY FROST FREE.

* TEMPERATURE...SHOULD DROP INTO THE LOWER TO MID 30S.

* IMPACTS...SENSITIVE OUTDOOR VEGETATION WILL BE AT RISK. TAKE THE
  NECESSARY PRECAUTIONS TO PROTECT SENSITIVE PLANTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

HENTZ
4 follow-up statements
618 
WWUS73 KMKX 111556
NPWMKX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1056 AM CDT THU OCT 11 2012

...FREEZING TEMPERATURES ESPECIALLY OVER SOUTH CENTRAL AND
NORTHERN AND WESTERN PORTIONS OF SOUTHEAST WISCONSIN...

.A COLD FRONT WILL MOVE ACROSS SOUTHERN WISCONSIN THIS AFTERNOON
BRINGING MORE COLD TEMPERATURES TONIGHT. AS HIGH PRESSURE BUILDS
INTO WISCONSIN SKIES WILL CLEAR AND WINDS WILL DIMINISH. HOWEVER
NORTHEAST WINDS JUST ABOVE THE SURFACE SHOULD KEEP AREAS A LITTLE
WARMER NEAR LAKE MICHIGAN.

WIZ051-052-058-059-063>065-068>070-120000-
/O.CON.KMKX.FZ.W.0009.121012T0600Z-121012T1200Z/
FOND DU LAC-SHEBOYGAN-DODGE-WASHINGTON-DANE-JEFFERSON-WAUKESHA-
GREEN-ROCK-WALWORTH-
INCLUDING THE CITIES OF...FOND DU LAC...SHEBOYGAN...BEAVER DAM...
WEST BEND...MADISON...JEFFERSON...LAKE MILLS...WAUKESHA...
BROOKFIELD...MONROE...JANESVILLE...BELOIT...ELKHORN...LAKE GENEVA
1056 AM CDT THU OCT 11 2012

...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 7 AM CDT
FRIDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 7 AM CDT FRIDAY. 

* TIMING...TEMPERATURES WILL DROP QUICKLY LATE TONIGHT AND REACH 
  FREEZING DURING THE EARLY MORNING HOURS. 

* TEMPERATURE...WILL DROP INTO THE MID 20S TO LOWER 30S.

* IMPACTS...SENSITIVE OUTDOOR VEGETATION WILL BE AT RISK. TAKE 
  THE NECESSARY PRECAUTIONS TO PROTECT SENSITIVE PLANTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

WIZ060-066-071-072-120000-
/O.CON.KMKX.FR.Y.0007.121012T0600Z-121012T1200Z/
OZAUKEE-MILWAUKEE-RACINE-KENOSHA-
INCLUDING THE CITIES OF...PORT WASHINGTON...MILWAUKEE...RACINE...
KENOSHA
1056 AM CDT THU OCT 11 2012

...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 7 AM CDT
FRIDAY...

A FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 7 AM CDT FRIDAY. 

* TIMING...TEMPERATURES WILL DROP QUICKLY DURING THE EARLY 
  MORNING HOURS. AREAS NEAR LAKE MICHIGAN MAY STAY FROST FREE. 

* TEMPERATURE...SHOULD DROP INTO THE LOWER TO MID 30S.

* IMPACTS...SENSITIVE OUTDOOR VEGETATION WILL BE AT RISK. TAKE 
  THE NECESSARY PRECAUTIONS TO PROTECT SENSITIVE PLANTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
717 
WWUS73 KMKX 112002
NPWMKX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
302 PM CDT THU OCT 11 2012

...FREEZING TEMPERATURES ESPECIALLY OVER SOUTH CENTRAL AND
NORTHERN AND WESTERN PORTIONS OF SOUTHEAST WISCONSIN...

.HIGH PRESSURE WILL BUILD INTO WISCONSIN WITH SKIES CLEARING AND
DIMINISHING WINDS. HOWEVER NORTHEAST WINDS JUST ABOVE THE SURFACE
SHOULD KEEP AREAS A LITTLE WARMER NEAR LAKE MICHIGAN.

WIZ051-052-058-059-063>065-068>070-120415-
/O.CON.KMKX.FZ.W.0009.121012T0600Z-121012T1200Z/
FOND DU LAC-SHEBOYGAN-DODGE-WASHINGTON-DANE-JEFFERSON-WAUKESHA-
GREEN-ROCK-WALWORTH-
INCLUDING THE CITIES OF...FOND DU LAC...SHEBOYGAN...BEAVER DAM...
WEST BEND...MADISON...JEFFERSON...LAKE MILLS...WAUKESHA...
BROOKFIELD...MONROE...JANESVILLE...BELOIT...ELKHORN...LAKE GENEVA
302 PM CDT THU OCT 11 2012

...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 7 AM CDT
FRIDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 7 AM CDT FRIDAY. 

* TIMING...TEMPERATURES WILL DROP QUICKLY LATE TONIGHT AND REACH 
  FREEZING DURING THE EARLY MORNING HOURS. 

* TEMPERATURE...WILL DROP INTO THE MID 20S TO LOWER 30S.

* IMPACTS...SENSITIVE OUTDOOR VEGETATION WILL BE AT RISK. TAKE 
  THE NECESSARY PRECAUTIONS TO PROTECT SENSITIVE PLANTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

WIZ060-066-071-072-120415-
/O.CON.KMKX.FR.Y.0007.121012T0600Z-121012T1200Z/
OZAUKEE-MILWAUKEE-RACINE-KENOSHA-
INCLUDING THE CITIES OF...PORT WASHINGTON...MILWAUKEE...RACINE...
KENOSHA
302 PM CDT THU OCT 11 2012

...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 7 AM CDT
FRIDAY...

A FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 7 AM CDT FRIDAY. 

* TIMING...TEMPERATURES WILL DROP QUICKLY DURING THE EARLY 
  MORNING HOURS. AREAS NEAR LAKE MICHIGAN MAY STAY FROST FREE. 

* TEMPERATURE...SHOULD DROP INTO THE LOWER TO MID 30S.

* IMPACTS...SENSITIVE OUTDOOR VEGETATION WILL BE AT RISK. TAKE 
  THE NECESSARY PRECAUTIONS TO PROTECT SENSITIVE PLANTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
591 
WWUS73 KMKX 120907
NPWMKX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
407 AM CDT FRI OCT 12 2012

...FREEZING TEMPERATURES ESPECIALLY OVER SOUTH CENTRAL AND
NORTHERN AND WESTERN PORTIONS OF SOUTHEAST WISCONSIN...

.HIGH PRESSURE OVER WISCONSIN AND CLEAR SKIES WILL ALLOW TEMPERATURES
TO DROP TO FREEZING OR BELOW INLAND AWAY FROM LAKE MICHIGAN. NORTHEAST
WINDS JUST ABOVE THE SURFACE SHOULD KEEP AREAS A LITTLE WARMER
NEAR LAKE MICHIGAN.

WIZ051-052-058-059-063>065-068>070-121200-
/O.CON.KMKX.FZ.W.0009.000000T0000Z-121012T1200Z/
FOND DU LAC-SHEBOYGAN-DODGE-WASHINGTON-DANE-JEFFERSON-WAUKESHA-
GREEN-ROCK-WALWORTH-
INCLUDING THE CITIES OF...FOND DU LAC...SHEBOYGAN...BEAVER DAM...
WEST BEND...MADISON...JEFFERSON...LAKE MILLS...WAUKESHA...
BROOKFIELD...MONROE...JANESVILLE...BELOIT...ELKHORN...LAKE GENEVA
407 AM CDT FRI OCT 12 2012

...FREEZE WARNING REMAINS IN EFFECT UNTIL 7 AM CDT THIS MORNING...

A FREEZE WARNING REMAINS IN EFFECT UNTIL 7 AM CDT THIS MORNING. 

* TIMING...TEMPERATURES WILL DROP TO FREEZING OR BELOW DURING THE
  EARLY MORNING HOURS.

* TEMPERATURE...WILL DROP INTO THE MID 20S TO LOWER 30S.

* IMPACTS...SENSITIVE OUTDOOR VEGETATION WILL BE AT RISK. TAKE 
  THE NECESSARY PRECAUTIONS TO PROTECT SENSITIVE PLANTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

WIZ060-066-071-072-121200-
/O.CON.KMKX.FR.Y.0007.000000T0000Z-121012T1200Z/
OZAUKEE-MILWAUKEE-RACINE-KENOSHA-
INCLUDING THE CITIES OF...PORT WASHINGTON...MILWAUKEE...RACINE...
KENOSHA
407 AM CDT FRI OCT 12 2012

...FROST ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT THIS MORNING...

A FROST ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT THIS MORNING. 

* TIMING...TONIGHT TO ABOUT 7 AM. FROST LIKELY...BUT AREAS CLOSE
  TO LAKE MICHIGAN MAY STAY FROST FREE.

* TEMPERATURE...SHOULD DROP INTO THE LOWER TO MID 30S.

* IMPACTS...SENSITIVE OUTDOOR VEGETATION WILL BE AT RISK. TAKE 
  THE NECESSARY PRECAUTIONS TO PROTECT SENSITIVE PLANTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

KAPELA
364 
WWUS73 KMKX 121220
NPWMKX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
720 AM CDT FRI OCT 12 2012

...FROST ADVISORY AND FREEZE WARNINGS EXPIRED AT 7 AM...

.WITH THE ONSET OF SUNRISE THE FROST ADVISORY AND FREEZE WARNINGS
FOR SOUTH-CENTRAL AND SOUTHEAST WISCONSIN WERE ALLOWED TO EXPIRE AT
7 AM. TEMPERATURES WILL SLOWLY START CLIMBING AS THE SUN GETS
HIGHER IN THE SKY.

WIZ051-052-058-059-063>065-068>070-121330-
/O.EXP.KMKX.FZ.W.0009.000000T0000Z-121012T1200Z/
FOND DU LAC-SHEBOYGAN-DODGE-WASHINGTON-DANE-JEFFERSON-WAUKESHA-
GREEN-ROCK-WALWORTH-
INCLUDING THE CITIES OF...FOND DU LAC...SHEBOYGAN...BEAVER DAM...
WEST BEND...MADISON...JEFFERSON...LAKE MILLS...WAUKESHA...
BROOKFIELD...MONROE...JANESVILLE...BELOIT...ELKHORN...LAKE GENEVA
720 AM CDT FRI OCT 12 2012

...FREEZE WARNING HAS EXPIRED...

THE FREEZE WARNING IS NO LONGER IN EFFECT. 

* TIMING...EARLY MORNING HOURS TODAY.

* TEMPERATURE...LOWS WERE IN THE 20S.

* IMPACTS...FREEZING TEMPERATURES WERE HARMFUL TO UNPROTECTED
  VEGETATION.

$$

WIZ060-066-071-072-121330-
/O.EXP.KMKX.FR.Y.0007.000000T0000Z-121012T1200Z/
OZAUKEE-MILWAUKEE-RACINE-KENOSHA-
INCLUDING THE CITIES OF...PORT WASHINGTON...MILWAUKEE...RACINE...
KENOSHA
720 AM CDT FRI OCT 12 2012

...FROST ADVISORY HAS EXPIRED...

THE FROST ADVISORY IS NO LONGER IN EFFECT. 


* TIMING...EARLY THIS MORNING.

* TEMPERATURE...MINIMUM READINGS RANGED FROM THE MID TO UPPER 20S
  INLAND TO AROUND 35 FROM MILWAUKEE SOUTH TO RACINE.

* IMPACTS...FREEZING TEMPERATURES WERE HARMFUL TO UNPROTECTED
  VEGETATION. THE FROST WAS LIGHT SINCE THE AIR WAS DRY.

$$

KAPELA

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 11, 4:04 AM CDTFrost AdvisoryMKXKenosha, Milwaukee, Ozaukee, Racine27 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.