Alert archive / Wisconsin / Freeze Warnings in 2012

Freeze Warning 2, NWS La Crosse, WI

March 28, 20126 counties in Wisconsin

NWS La Crosse, WI issued this freeze warning at Mar 28, 2012, 3:40 PM CDT for 6 counties in Wisconsin. It took effect at Mar 29, 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
Mar 28, 2012, 3:40 PM CDT (20:40 UTC)
In effect from
Mar 29, 2012, 1:00 AM CDT
Expired
Mar 29, 2012, 9:00 AM CDT
In force
8 hr
Issued by
NWS La Crosse, WI

Counties Adams County, WI, Clark County, WI, Jackson County, WI, Juneau County, WI, Monroe County, WI, Taylor County, WI

The radar

The La Crosse radar (KARX), 86 km from the middle of the area, began a volume at 20:40 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, 8.7 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, Green Bay/Straub, WI at 12:00Z on 2012-03-28Temperature 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 2012-03-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 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
1 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
879 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
93 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.

422 
WWUS73 KARX 282040
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
340 PM CDT WED MAR 28 2012

...FREEZING TEMPERATURES EXPECTED TONIGHT...

.CLEAR SKIES AND LIGHT WINDS TONIGHT WILL ALLOW FOR TEMPERATURES
TO DROP NEAR OR BELOW FREEZING AFTER MIDNIGHT TONIGHT.
THEREFORE...FROST ADVISORIES AND FREEZE WARNINGS ARE IN EFFECT FOR
TONIGHT. SENSITIVE VEGETATION WILL BE VULNERABLE TO THE FREEZING
TEMPERATURES. 

WIZ017-029-034-042>044-290445-
/O.NEW.KARX.FZ.W.0002.120329T0600Z-120329T1400Z/
TAYLOR-CLARK-JACKSON-MONROE-JUNEAU-ADAMS-
INCLUDING THE CITIES OF...MEDFORD...NEILLSVILLE...
BLACK RIVER FALLS...SPARTA/TOMAH...MAUSTON
340 PM CDT WED MAR 28 2012

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

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 1 AM TO 9 AM CDT THURSDAY. 

* TEMPERATURES WILL FALL BELOW FREEZING AFTER MIDNIGHT TONIGHT.

* SENSITIVE VEGETATION WILL BE SUSCEPTIBLE TO FREEZING
  TEMPERATURES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

WIZ032-033-041-053-290445-
/O.NEW.KARX.FR.Y.0001.120329T0600Z-120329T1400Z/
BUFFALO-TREMPEALEAU-LA CROSSE-VERNON-
INCLUDING THE CITIES OF...LA CROSSE...VIROQUA
340 PM CDT WED MAR 28 2012

...FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM CDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM 1 AM TO 9 AM CDT THURSDAY. 

* AREAS OF FROST WILL DEVELOP AFTER MIDNIGHT.

* SENSITIVE VEGETATION WILL BE SUSCEPTIBLE TO FREEZING
  TEMPERATURES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

DTJ

WEATHER.GOV/LACROSSE
3 follow-up statements
633 
WWUS73 KARX 290207
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
907 PM CDT WED MAR 28 2012

...FREEZING TEMPERATURES EXPECTED OVERNIGHT...

.CLEAR SKIES AND LIGHT WINDS WILL ALLOW FOR TEMPERATURES TO DROP
NEAR OR BELOW FREEZING AFTER MIDNIGHT TONIGHT. THEREFORE...FROST
ADVISORIES AND FREEZE WARNINGS ARE IN EFFECT FOR TONIGHT.
SENSITIVE VEGETATION WILL BE VULNERABLE TO THE FREEZING
TEMPERATURES.

WIZ017-029-034-042>044-291015-
/O.CON.KARX.FZ.W.0002.120329T0600Z-120329T1400Z/
TAYLOR-CLARK-JACKSON-MONROE-JUNEAU-ADAMS-
INCLUDING THE CITIES OF...MEDFORD...NEILLSVILLE...
BLACK RIVER FALLS...SPARTA/TOMAH...MAUSTON
907 PM CDT WED MAR 28 2012

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

* TEMPERATURES WILL FALL BELOW FREEZING AFTER MIDNIGHT TONIGHT.

* SENSITIVE VEGETATION WILL BE SUSCEPTIBLE TO FREEZING 
  TEMPERATURES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

WIZ032-033-041-053-291015-
/O.CON.KARX.FR.Y.0001.120329T0600Z-120329T1400Z/
BUFFALO-TREMPEALEAU-LA CROSSE-VERNON-
INCLUDING THE CITIES OF...LA CROSSE...VIROQUA
907 PM CDT WED MAR 28 2012

...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 9 AM CDT
THURSDAY...

* AREAS OF FROST WILL DEVELOP AFTER MIDNIGHT.

* SENSITIVE VEGETATION WILL BE SUSCEPTIBLE TO FREEZING 
  TEMPERATURES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

RABERDING

WEATHER.GOV/LACROSSE
573 
WWUS73 KARX 290831
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
331 AM CDT THU MAR 29 2012

...FREEZING TEMPERATURES AND FROST OCCURRING...

.SKIES HAVE REMAINED CLEAR OVERNIGHT WHICH HAS ALLOWED FOR
TEMPERATURES TO DROP INTO THE LOW 30S ACROSS THE NORTHERN HALF OF
WISCONSIN. THEREFORE...THE FREEZE WARNINGS AND FROST ADVISORIES
WILL CONTINUE THROUGH DAYBREAK THIS MORNING. SENSITIVE VEGETATION
WILL BE VULNERABLE TO THESE FREEZING TEMPERATURES.

WIZ017-029-034-042>044-291400-
/O.CON.KARX.FZ.W.0002.000000T0000Z-120329T1400Z/
TAYLOR-CLARK-JACKSON-MONROE-JUNEAU-ADAMS-
INCLUDING THE CITIES OF...MEDFORD...NEILLSVILLE...
BLACK RIVER FALLS...SPARTA/TOMAH...MAUSTON
331 AM CDT THU MAR 29 2012

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

* TEMPERATURES HAVE ALREADY FALLEN TO OR BELOW FREEZING AND WILL
  START GOING BACK UP LATER THIS MORNING AFTER SUNRISE.

* SENSITIVE VEGETATION WILL BE SUSCEPTIBLE TO FREEZING 
  TEMPERATURES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

WIZ032-033-041-053-291400-
/O.CON.KARX.FR.Y.0001.000000T0000Z-120329T1400Z/
BUFFALO-TREMPEALEAU-LA CROSSE-VERNON-
INCLUDING THE CITIES OF...LA CROSSE...VIROQUA
331 AM CDT THU MAR 29 2012

...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING...

* AREAS OF FROST HAVE DEVELOPED AND WILL PERSIST UNTIL JUST AFTER
  SUNRISE THIS MORNING.

* SENSITIVE VEGETATION WILL BE SUSCEPTIBLE TO FREEZING 
  TEMPERATURES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

HALBACH

WEATHER.GOV/LACROSSE
014 
WWUS73 KARX 291354
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
854 AM CDT THU MAR 29 2012

...TEMPERATURES HAVE WARMED ABOVE FREEZING...

.TEMPERATURES HAVE WARMED ABOVE FREEZING ACROSS THE
AREA...THEREFORE THE FREEZE WARNING AND FROST ADVISORY WILL BE
ALLOWED TO EXPIRE AT 9 AM.

WIZ017-029-034-042>044-291500-
/O.EXP.KARX.FZ.W.0002.000000T0000Z-120329T1400Z/
TAYLOR-CLARK-JACKSON-MONROE-JUNEAU-ADAMS-
INCLUDING THE CITIES OF...MEDFORD...NEILLSVILLE...
BLACK RIVER FALLS...SPARTA/TOMAH...MAUSTON
854 AM CDT THU MAR 29 2012

...FREEZE WARNING WILL EXPIRE AT 9 AM CDT THIS MORNING...

TEMPERATURES HAVE CLIMBED ABOVE FREEZING ACROSS THE AREA.
THEREFORE...THE FREEZE WARNING HAS BEEN ALLOWED TO EXPIRE AT 9 AM.

$$

WIZ032-033-041-053-291500-
/O.EXP.KARX.FR.Y.0001.000000T0000Z-120329T1400Z/
BUFFALO-TREMPEALEAU-LA CROSSE-VERNON-
INCLUDING THE CITIES OF...LA CROSSE...VIROQUA
854 AM CDT THU MAR 29 2012

...FROST ADVISORY WILL EXPIRE AT 9 AM CDT THIS MORNING...

TEMPERATURES HAVE CLIMBED ABOVE FREEZING ACROSS THE AREA.
THEREFORE...THE FROST ADVISORY HAS BEEN ALLOWED TO EXPIRE AT 9 AM.

$$

DTJ

WEATHER.GOV/LACROSSE

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 28, 3:40 PM CDTFrost AdvisoryARXBuffalo, La Crosse, Trempealeau, Vernon17 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.