Alert archive / Wisconsin / Freeze Warnings in 2012

Freeze Warning 3, NWS Milwaukee, WI

April 10, 20129 counties in Wisconsin

NWS Milwaukee, WI issued this freeze warning at Apr 10, 2012, 3:11 PM CDT for 9 counties in Wisconsin. It took effect at Apr 11, 2012, 1:00 AM CDT. 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 10, 2012, 3:11 PM CDT (20:11 UTC)
In effect from
Apr 11, 2012, 1:00 AM CDT
Expired
Apr 11, 2012, 9:00 AM CDT
In force
8 hr
Issued by
NWS Milwaukee, WI

Counties Columbia County, WI, Dane County, WI, Green County, WI, Green Lake County, WI, Iowa County, WI, Lafayette County, WI, Marquette County, WI, Rock County, WI, Sauk County, WI

The radar

The Milwaukee radar (KMKX), 86 km from the middle of the area, began a volume at 20:08 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 12:00Z, 8.2 hours before the alert went out and 187 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 2012-04-10Temperature 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 12:00Z on 2012-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 78 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1209 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
78 m²/s²
0-3 km storm-relative helicity
165 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.

000 
WWUS73 KMKX 102011
NPWMKX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
311 PM CDT TUE APR 10 2012

...ANOTHER ROUND OF COLD TEMPERATURES EXPECTED TONIGHT...

.NORTHWEST WINDS TONIGHT WILL COMBINE WITH CLEARING SKIES ACROSS
SOUTH CENTRAL WISCONSIN TO BRING COLD TEMPERATURES. TEMPERATURES
SHOULD DROP BELOW FREEZING AFTER MIDNIGHT...THEN REMAIN SO UNTIL
MID MORNING ON WEDNESDAY. LOWS OF 28 DEGREES FAHRENHEIT OR LESS
ARE EXPECTED ACROSS THIS AREA.

WIZ046-047-056-057-062-063-067>069-110415-
/O.NEW.KMKX.FZ.W.0003.120411T0600Z-120411T1400Z/
MARQUETTE-GREEN LAKE-SAUK-COLUMBIA-IOWA-DANE-LAFAYETTE-GREEN-ROCK-
INCLUDING THE CITIES OF...MONTELLO...BERLIN...BARABOO...PORTAGE...
WISCONSIN DELLS...DODGEVILLE...MADISON...DARLINGTON...MONROE...
JANESVILLE...BELOIT
311 PM CDT TUE APR 10 2012

...FREEZE WARNING IN EFFECT FROM 1 AM TO 9 AM CDT WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A
FREEZE WARNING...WHICH IS IN EFFECT FROM 1 AM TO 9 AM CDT
WEDNESDAY. 

* TIMING...TEMPERATURES SHOULD FALL BELOW FREEZING BY 1 AM CDT
  WEDNESDAY...AND REMAIN SO UNTIL 9 AM CDT WEDNESDAY. 

* TEMPERATURE...LOWS WILL DROP TO 28 DEGREES OR LESS ACROSS SOUTH
  CENTRAL WISCONSIN LATER TONIGHT.

* IMPACTS...TEMPERATURES THIS COLD CAN KILL SENSITIVE PLANTS.
  THOSE WITH SENSITIVE PLANTS AND OTHER VEGETATION SHOULD COVER
  THEM TONIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
WOOD
3 follow-up statements
291 
WWUS73 KMKX 110150
NPWMKX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
850 PM CDT TUE APR 10 2012

...ANOTHER ROUND OF COLD TEMPERATURES EXPECTED TONIGHT...

.MOSTLY CLEAR SKIES AND A POLAR AIRMASS WILL CONTINUE THE COLD
TEMPERATURES TONIGHT. TEMPERATURES SHOULD DROP BELOW FREEZING BY 
MIDNIGHT...THEN REMAIN SO UNTIL MID MORNING ON WEDNESDAY. LOWS OF
28 DEGREES FAHRENHEIT OR LESS ARE EXPECTED ACROSS SOUTH CENTRAL
WISCONSIN WITH TEMPERATURES FROM 28 TO 32 DEGREES FAHRENHEIT OVER
SOUTHEAST WISCONSIN. 

WIZ046-047-056-057-062-063-067>069-111000-
/O.CON.KMKX.FZ.W.0003.120411T0600Z-120411T1400Z/
MARQUETTE-GREEN LAKE-SAUK-COLUMBIA-IOWA-DANE-LAFAYETTE-GREEN-ROCK-
INCLUDING THE CITIES OF...MONTELLO...BERLIN...BARABOO...PORTAGE...
WISCONSIN DELLS...DODGEVILLE...MADISON...DARLINGTON...MONROE...
JANESVILLE...BELOIT
850 PM CDT TUE APR 10 2012

...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 9 AM CDT
WEDNESDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 9 AM CDT
WEDNESDAY. 

* TIMING...TEMPERATURES SHOULD FALL BELOW FREEZING LATER THIS
  EVENING AND REMAIN SO UNTIL 9 AM CDT WEDNESDAY.

* TEMPERATURE...LOWS WILL DROP TO 28 DEGREES OR LESS ACROSS 
  SOUTH CENTRAL WISCONSIN LATER TONIGHT. 

* IMPACTS...TEMPERATURES THIS COLD CAN KILL SENSITIVE PLANTS. 
  THOSE WITH SENSITIVE PLANTS AND OTHER VEGETATION SHOULD COVER 
  THEM TONIGHT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
GEHRING
580 
WWUS73 KMKX 110844
NPWMKX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
344 AM CDT WED APR 11 2012

...SUB-FREEZING TEMPERATURES EARLY THIS MORNING...

.MOSTLY CLEAR SKIES...COLD AIR AND LIGHTER WINDS HAVE ALLOWED
TEMPERATURES TO FALL TO BELOW FREEZING OVER SOUTH CENTRAL
WISCONSIN. THE COLD TEMPERATURES WILL CONTINUE THROUGH THE EARLY
MORNING...WITH TEMPERATURES MOSTLY BETWEEN 27 AND 30 DEGREES.

HENCE THE FREEZE WARNING REMAINS IN EFFECT EARLY THIS MORNING
ALONG AND WEST OF A LINE FROM BERLIN TO MADISON TO JANESVILLE AND
BELOIT.

ANOTHER COLD NIGHT LIES AHEAD FOR TONIGHT WITH A BETTER CHANCE FOR
FROST AND SUB-FREEZING TEMPERATURES. ANOTHER FREEZE WARNING MAY BE 
ISSUED. 

WIZ046-047-056-057-062-063-067>069-111400-
/O.CON.KMKX.FZ.W.0003.000000T0000Z-120411T1400Z/
MARQUETTE-GREEN LAKE-SAUK-COLUMBIA-IOWA-DANE-LAFAYETTE-GREEN-ROCK-
INCLUDING THE CITIES OF...MONTELLO...BERLIN...BARABOO...PORTAGE...
WISCONSIN DELLS...DODGEVILLE...MADISON...DARLINGTON...MONROE...
JANESVILLE...BELOIT
344 AM CDT WED APR 11 2012

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

A FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING. 

* TIMING...TEMPERATURES WILL REMAIN BELOW FREEZING UNTIL 9 AM CDT
  THIS MORNING. 

* TEMPERATURE...WILL BE MOSTLY BETWEEN 27 AND 31 DEGREES EARLY
  THIS MORNING. 

* IMPACTS...TEMPERATURES THIS COLD CAN KILL 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.

&&

$$
MBK
464 
WWUS73 KMKX 111403
NPWMKX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
903 AM CDT WED APR 11 2012

...TEMPERATURES RISING ABOVE FREEZING...

.TEMPERATURES HAVE RISEN ABOVE FREEZING ACROSS THE AREA...AS
DAYTIME HEATING BEGINNING. THUS...THE FREEZE WARNING HAS BEEN
ALLOWED TO EXPIRE.

WIZ046-047-056-057-062-063-067>069-111515-
/O.EXP.KMKX.FZ.W.0003.000000T0000Z-120411T1400Z/
MARQUETTE-GREEN LAKE-SAUK-COLUMBIA-IOWA-DANE-LAFAYETTE-GREEN-ROCK-
INCLUDING THE CITIES OF...MONTELLO...BERLIN...BARABOO...PORTAGE...
WISCONSIN DELLS...DODGEVILLE...MADISON...DARLINGTON...MONROE...
JANESVILLE...BELOIT
903 AM CDT WED APR 11 2012

...FREEZE WARNING HAS EXPIRED...

THE FREEZE WARNING IS NO LONGER IN EFFECT. 

TEMPERATURES HAVE RISEN ABOVE FREEZING ACROSS THE AREA...WITH
DAYTIME HEATING BEGINNING. THUS...THE FREEZE WARNING HAS BEEN
ALLOWED TO EXPIRE.

$$
WOOD

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.