Alert archive / Wisconsin / Wind Chill Advisories in 2015

Wind Chill Advisory 13, NWS Twin Cities, MN

February 18, 20159 counties in Wisconsin; 9 counties in Minnesota

NWS Twin Cities, MN issued this wind chill advisory at Feb 18, 2015, 2:41 PM CST for 9 counties in Wisconsin; 9 counties in Minnesota. It took effect at Feb 18, 2015, 9:00 PM CST. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Feb 18, 2015, 2:41 PM CST (20:41 UTC)
In effect from
Feb 18, 2015, 9:00 PM CST
Expired
Feb 19, 2015, 9:00 AM CST
In force
12 hr
Issued by
NWS Twin Cities, MN

Counties Douglas County, MN, Faribault County, MN, Freeborn County, MN, Goodhue County, MN, Kanabec County, MN, Mille Lacs County, MN, Morrison County, MN, Steele County, MN, Todd County, MN, Barron County, WI, Chippewa County, WI, Dunn County, WI, Eau Claire County, WI, Pepin County, WI, Pierce County, WI, Polk County, WI, Rusk County, WI, Saint Croix County, WI

The radar

The Minneapolis radar (KMPX), 59 km from the middle of the area, began a volume at 20:43 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, 8.7 hours before the alert went out and 62 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 2015-02-18Temperature 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 2015-02-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 79 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
816 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
79 m²/s²
0-3 km storm-relative helicity
153 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.

745 
WWUS43 KMPX 182041
WSWMPX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
241 PM CST WED FEB 18 2015

...VERY COLD WIND CHILLS ACROSS PARTS OF THE AREA TONIGHT THROUGH
THURSDAY MORNING...

.VERY COLD WIND CHILL VALUES WILL OCCUR TONIGHT AND THURSDAY
MORNING FOR A PORTION OF CENTRAL MN...WESTERN WI...THROUGH
SOUTHEASTERN MN. SOUTH CENTRAL MINNESOTA AND AREAS WEST WILL SEE
WINDS LIGHT ENOUGH TO NOT REQUIRE AN ADVISORY.

MNZ041>045-078-085-092-093-WIZ014>016-023>028-190445-
/O.NEW.KMPX.WC.Y.0013.150219T0300Z-150219T1500Z/
DOUGLAS-TODD-MORRISON-MILLE LACS-KANABEC-GOODHUE-STEELE-FARIBAULT-
FREEBORN-POLK-BARRON-RUSK-ST. CROIX-PIERCE-DUNN-PEPIN-CHIPPEWA-
EAU CLAIRE-
INCLUDING THE CITIES OF...ALEXANDRIA...LONG PRAIRIE...
LITTLE FALLS...PRINCETON...MORA...RED WING...OWATONNA...
BLUE EARTH...ALBERT LEA...OSCEOLA...RICE LAKE...LADYSMITH...
HUDSON...PRESCOTT...MENOMONIE...DURAND...CHIPPEWA FALLS...
EAU CLAIRE
241 PM CST WED FEB 18 2015

...WIND CHILL ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 9 AM
CST THURSDAY...

THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED
A WIND CHILL ADVISORY...WHICH IS IN EFFECT FROM 9 PM THIS EVENING
TO 9 AM CST THURSDAY. 

* WIND CHILL VALUES...20 TO 30 BELOW ZERO. ACTUAL AIR TEMPERATURES
  WILL BE IN THE TEENS BELOW ZERO SO EVEN LIGHT WIND SPEEDS WILL
  CAUSE VERY COLD WIND CHILLS.

* TIMING...THE COLDEST WIND CHILLS WILL OCCUR DURING THE OVERNIGHT
  HOURS. CONDITIONS WILL IMPROVE FROM WEST TO EAST AS THE WIND
  SPEEDS DECREASE TO NEAR CALM ON THURSDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROSTBITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. 
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

&&

$$
3 follow-up statements
981 
WWUS43 KMPX 190259
WSWMPX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
859 PM CST WED FEB 18 2015

...VERY COLD WIND CHILLS ACROSS PARTS OF THE AREA THROUGH
THURSDAY MORNING...

.HIGH PRESSURE BUILDING OVERHEAD WILL BRING VERY COLD TEMPERATURES
TONIGHT WITH TEMPERATURES EXPECTED TO DROP TO BETWEEN 15 AND 25
BELOW. EVEN WITH A LIGHT BREEZE EXPECTED...WIND CHILLS WILL DROP
INTO THE 25 TO 30 BELOW RANGE ACROSS CENTRAL AND SOUTHEASTERN
MINNESOTA...AND WESTERN WISCONSIN. CALM WINDS ACROSS THE REST OF
MINNESOTA WILL PRECLUDE THE NEED FOR AN ADVISORY THERE.

MNZ041>045-078-085-092-093-WIZ014>016-023>028-191100-
/O.CON.KMPX.WC.Y.0013.150219T0300Z-150219T1500Z/
DOUGLAS-TODD-MORRISON-MILLE LACS-KANABEC-GOODHUE-STEELE-FARIBAULT-
FREEBORN-POLK-BARRON-RUSK-ST. CROIX-PIERCE-DUNN-PEPIN-CHIPPEWA-
EAU CLAIRE-
INCLUDING THE CITIES OF...ALEXANDRIA...LONG PRAIRIE...
LITTLE FALLS...PRINCETON...MORA...RED WING...OWATONNA...
BLUE EARTH...ALBERT LEA...OSCEOLA...RICE LAKE...LADYSMITH...
HUDSON...PRESCOTT...MENOMONIE...DURAND...CHIPPEWA FALLS...
EAU CLAIRE
859 PM CST WED FEB 18 2015

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST
THURSDAY...

* WIND CHILL VALUES...20 TO 30 BELOW ZERO. AIR TEMPERATURES WILL
  RANGE FROM 15 TO 25 BELOW ZERO SO EVEN LIGHT WIND SPEEDS WILL
  CAUSE VERY COLD WIND CHILLS.

* TIMING...THE COLDEST WIND CHILLS WILL OCCUR DURING THE OVERNIGHT
  HOURS. CONDITIONS WILL IMPROVE FROM WEST TO EAST AS WIND SPEEDS
  DIMINISH THURSDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROSTBITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.
WHEN VENTURING OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES.

&&

$$

BORGHOFF
366 
WWUS43 KMPX 190933
WSWMPX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
333 AM CST THU FEB 19 2015

...COLD WIND CHILLS THROUGH MID MORNING...

.AIR TEMPERATURES OF 15 TO 20 BELOW ZERO...TOGETHER WITH LIGHT
WINDS WILL PRODUCE WIND CHILLS NEAR 25 BELOW ZERO ACROSS CENTRAL
AND SOUTHEASTERN MINNESOTA...AND WESTERN WISCONSIN. CALM WINDS
ACROSS THE REST OF MINNESOTA WILL PRECLUDE THE NEED FOR AN
ADVISORY THERE.

MNZ041>045-078-085-092-093-WIZ014>016-023>028-191500-
/O.CON.KMPX.WC.Y.0013.000000T0000Z-150219T1500Z/
DOUGLAS-TODD-MORRISON-MILLE LACS-KANABEC-GOODHUE-STEELE-FARIBAULT-
FREEBORN-POLK-BARRON-RUSK-ST. CROIX-PIERCE-DUNN-PEPIN-CHIPPEWA-
EAU CLAIRE-
INCLUDING THE CITIES OF...ALEXANDRIA...LONG PRAIRIE...
LITTLE FALLS...PRINCETON...MORA...RED WING...OWATONNA...
BLUE EARTH...ALBERT LEA...OSCEOLA...RICE LAKE...LADYSMITH...
HUDSON...PRESCOTT...MENOMONIE...DURAND...CHIPPEWA FALLS...
EAU CLAIRE
333 AM CST THU FEB 19 2015

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS
MORNING...

* WIND CHILL VALUES...NEAR 25 BELOW ZERO. AIR TEMPERATURES WILL
  RANGE FROM 15 TO 25 BELOW ZERO SO EVEN LIGHT WIND SPEEDS WILL
  CAUSE VERY COLD WIND CHILLS.

* TIMING...NOW THROUGH 9AM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROSTBITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.
WHEN VENTURING OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES.

&&

$$

JRB
518 
WWUS43 KMPX 191457
WSWMPX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
857 AM CST THU FEB 19 2015

...WIND CHILLS IMPROVING THROUGH THE MORNING...

.TEMPERATURES WILL WARM INTO THE SINGLE DIGITS ABOVE ZERO
TODAY...AND WITH WINDS REMAINING LIGHT...WIND CHILLS WILL CONTINUE
TO IMPROVE THROUGHOUT THE DAY.

MNZ041>045-078-085-092-093-WIZ014>016-023>028-191600-
/O.EXP.KMPX.WC.Y.0013.000000T0000Z-150219T1500Z/
DOUGLAS-TODD-MORRISON-MILLE LACS-KANABEC-GOODHUE-STEELE-FARIBAULT-
FREEBORN-POLK-BARRON-RUSK-ST. CROIX-PIERCE-DUNN-PEPIN-CHIPPEWA-
EAU CLAIRE-
INCLUDING THE CITIES OF...ALEXANDRIA...LONG PRAIRIE...
LITTLE FALLS...PRINCETON...MORA...RED WING...OWATONNA...
BLUE EARTH...ALBERT LEA...OSCEOLA...RICE LAKE...LADYSMITH...
HUDSON...PRESCOTT...MENOMONIE...DURAND...CHIPPEWA FALLS...
EAU CLAIRE
857 AM CST THU FEB 19 2015

...WIND CHILL ADVISORY WILL EXPIRE AT 9 AM CST THIS MORNING...

TEMPERATURES WILL WARM INTO THE SINGLE DIGITS ABOVE ZERO
TODAY...AND WITH WINDS REMAINING LIGHT...WIND CHILLS WILL CONTINUE
TO IMPROVE THROUGHOUT THE DAY.

$$

Nearby

Wind Chill Advisories in Wisconsin, 2015Wind Chill Advisories in Minnesota, 2015Every wind chill advisory in 2015

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.