Alert archive / Wisconsin / Freeze Warnings in 2012

Freeze Warning 2, NWS Twin Cities, MN

March 28, 20126 counties in Wisconsin

NWS Twin Cities, MN issued this freeze warning at Mar 28, 2012, 3:22 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, 3:22 PM CDT (20:22 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 Twin Cities, MN

Counties Barron County, WI, Chippewa County, WI, Dunn County, WI, Eau Claire County, WI, Polk County, WI, Rusk County, WI

The radar

The Minneapolis radar (KMPX), 155 km from the middle of the area, began a volume at 20:21 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

Minneapolis, MN (KMPX), launched 12:00Z, 8.4 hours before the alert went out and 158 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, Minneapolis, MN at 12:00Z on 2012-03-28Temperature 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, Minneapolis, MN at 12:00Z on 2012-03-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -27 square meters per square second.1939587897Sfc1 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
794 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
-27 m²/s²
0-3 km storm-relative helicity
-7 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.

708 
WWUS73 KMPX 282022
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
322 PM CDT WED MAR 28 2012

...BELOW FREEZING TEMPERATURES EXPECTED IN WESTERN WISCONSIN
LATE TONIGHT...

.A FREEZE WARNING IS IN EFFECT FOR PORTIONS OF WEST CENTRAL
WISCONSIN LATE TONIGHT AND EARLY THURSDAY MORNING. TEMPERATURES
WILL FALL INTO UPPER 30S LATE THIS EVENING AND FALL BELOW FREEZING
AFTER MIDNIGHT TONIGHT. EVEN THOUGH NORMAL LOW TEMPERATURES THIS
TIME OF YEAR ARE IN THE MID TO UPPER 20S IN WESTERN
WISCONSIN...ANY SENSITIVE VEGETATION LEFT OUTSIDE OVERNIGHT WILL BE
VULNERABLE TO FREEZING TEMPERATURES. 

WIZ014>016-025-027-028-290430-
/O.NEW.KMPX.FZ.W.0002.120329T0600Z-120329T1400Z/
POLK-BARRON-RUSK-DUNN-CHIPPEWA-EAU CLAIRE-
INCLUDING THE CITIES OF...AMERY...BALSAM LAKE...RICE LAKE...
BARRON...LADYSMITH...MENOMONIE...BOYCEVILLE...CHIPPEWA FALLS...
BLOOMER...EAU CLAIRE...ALTOONA
322 PM CDT WED MAR 28 2012

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

THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED
A FREEZE WARNING...WHICH IS IN EFFECT FROM 1 AM TO 9 AM CDT
THURSDAY. 

* TIMING...TEMPERATURES AT OR BELOW FREEZING ARE EXPECTED AFTER
  MIDNIGHT TONIGHT.

* IMPACTS...SENSITIVE VEGETATION WILL BE VULNERABLE TO 
  DAMAGE DUE TO THE EXPECTED FREEZING TEMPERATURES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS MIGHT KILL SENSITIVE VEGETATION
THAT IS ALREADY GROWING GIVEN THE EARLY WARMTH.

&&

$$
2 follow-up statements
385 
WWUS73 KMPX 290253
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
953 PM CDT WED MAR 28 2012

...BELOW FREEZING TEMPERATURES EXPECTED IN WESTERN WISCONSIN LATE
TONIGHT...

.A FREEZE WARNING REMAINS IN EFFECT FOR PORTIONS OF WEST CENTRAL
WISCONSIN LATE TONIGHT AND EARLY THURSDAY MORNING. TEMPERATURES
WILL FALL BELOW FREEZING AFTER MIDNIGHT TONIGHT. EVEN THOUGH
NORMAL LOW TEMPERATURES THIS TIME OF YEAR ARE IN THE MID TO UPPER
20S IN WESTERN WISCONSIN...ANY SENSITIVE VEGETATION LEFT OUTSIDE
OVERNIGHT WILL BE VULNERABLE TO FREEZING TEMPERATURES.

WIZ014>016-025-027-028-291100-
/O.CON.KMPX.FZ.W.0002.120329T0600Z-120329T1400Z/
POLK-BARRON-RUSK-DUNN-CHIPPEWA-EAU CLAIRE-
INCLUDING THE CITIES OF...AMERY...BALSAM LAKE...RICE LAKE...
BARRON...LADYSMITH...MENOMONIE...BOYCEVILLE...CHIPPEWA FALLS...
BLOOMER...EAU CLAIRE...ALTOONA
953 PM CDT WED MAR 28 2012

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

* TIMING...TEMPERATURES AT OR BELOW FREEZING ARE EXPECTED AFTER 
  MIDNIGHT TONIGHT. 

* IMPACTS...SENSITIVE VEGETATION WILL BE VULNERABLE TO DAMAGE 
  DUE TO THE EXPECTED FREEZING TEMPERATURES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS MIGHT KILL SENSITIVE VEGETATION
THAT IS ALREADY GROWING GIVEN THE EARLY WARMTH.

&&

$$
096 
WWUS73 KMPX 291019
NPWMPX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
519 AM CDT THU MAR 29 2012

...NEAR OR BELOW FREEZING TEMPERATURES WILL CONTINUE THROUGH EARLY
MORNING...

.A FREEZE WARNING REMAINS IN EFFECT FOR PORTIONS OF WEST
CENTRAL WISCONSIN THROUGH 9 AM. TEMPERATURES WILL HOLD NEAR OR
SLIGHTLY BELOW FREEZING THROUGH 9 AM. THESE CONDITIONS MIGHT 
KILL SENSITIVE VEGETATION THAT IS ALREADY GROWING GIVEN THE EARLY
WARMTH.

WIZ014>016-025-027-028-291400-
/O.CON.KMPX.FZ.W.0002.000000T0000Z-120329T1400Z/
POLK-BARRON-RUSK-DUNN-CHIPPEWA-EAU CLAIRE-
INCLUDING THE CITIES OF...AMERY...BALSAM LAKE...RICE LAKE...
BARRON...LADYSMITH...MENOMONIE...BOYCEVILLE...CHIPPEWA FALLS...
BLOOMER...EAU CLAIRE...ALTOONA
519 AM CDT THU MAR 29 2012

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

* TIMING...TEMPERATURES AT OR BELOW FREEZING THROUGH 9 AM. 

* IMPACTS...SENSITIVE VEGETATION WILL BE VULNERABLE TO DAMAGE 
  DUE TO THE EXPECTED FREEZING TEMPERATURES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS MIGHT KILL SENSITIVE VEGETATION
THAT IS ALREADY GROWING GIVEN THE EARLY WARMTH.

&&

$$

JLT

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.