Alert archive / Minnesota / Wind Chill Advisories in 2015

Wind Chill Advisory 7, NWS Twin Cities, MN

January 11, 20159 counties in Minnesota

NWS Twin Cities, MN issued this wind chill advisory at Jan 11, 2015, 7:04 PM CST for 9 counties in Minnesota. It took effect at Jan 12, 2015, 3:00 AM CST. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Jan 11, 2015, 7:04 PM CST (01:04 UTC)
In effect from
Jan 12, 2015, 3:00 AM CST
Expired
Jan 12, 2015, 10:00 AM CST
In force
7 hr
Issued by
NWS Twin Cities, MN

Counties Benton County, MN, Douglas County, MN, Kanabec County, MN, Mille Lacs County, MN, Morrison County, MN, Pope County, MN, Stearns County, MN, Stevens County, MN, Todd County, MN

The radar

The Minneapolis radar (KMPX), 135 km from the middle of the area, began a volume at 01:09 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 00:00Z, 1.1 hours before the alert went out and 134 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 00:00Z on 2015-01-12Temperature 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 00:00Z on 2015-01-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -58 square meters per square second.1939587897117Sfc1 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
781 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
-58 m²/s²
0-3 km storm-relative helicity
5 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.

886 
WWUS43 KMPX 120104
WSWMPX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
704 PM CST SUN JAN 11 2015

...WIND CHILL ADVISORY IN EFFECT FOR PORTIONS OF CENTRAL MINNESOTA
BETWEEN 3 AM AND 10 AM CST MONDAY MORNING...

.NORTHWEST WINDS OF 5 TO 10 MPH WILL COMBINE WITH COLD
TEMPERATURES TO PRODUCE VERY COLD WIND CHILLS BETWEEN 25 AND 30
DEGREES BELOW ZERO EARLY MONDAY MORNING ACROSS PORTIONS OF CENTRAL
MINNESOTA...PARTICULARLY ALONG AND NORTH OF A LINE FROM MORRIS TO
SAINT CLOUD TO MORA. THE WORST CONDITIONS ARE EXPECTED BETWEEN
ROUGHLY 4 AM AND 9 AM MONDAY MORNING...WITH WIND CHILL READINGS
RAPIDLY IMPROVING AFTER 10 AM.

MNZ041>045-047>050-121000-
/O.NEW.KMPX.WC.Y.0007.150112T0900Z-150112T1600Z/
DOUGLAS-TODD-MORRISON-MILLE LACS-KANABEC-STEVENS-POPE-STEARNS-
BENTON-
INCLUDING THE CITIES OF...ALEXANDRIA...LONG PRAIRIE...
LITTLE FALLS...PRINCETON...MORA...MORRIS...GLENWOOD...ST. CLOUD...
FOLEY
704 PM CST SUN JAN 11 2015

...WIND CHILL ADVISORY IN EFFECT FROM 3 AM TO 10 AM CST MONDAY...

THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED
A WIND CHILL ADVISORY...WHICH IS IN EFFECT FROM 3 AM TO 10 AM CST
MONDAY. 

* TIMING...WORST CONDITIONS BETWEEN 4 AM AND 9 AM CST MONDAY.

* WINDS...NORTHWEST 5 TO 10 MPH.

* WIND CHILL READINGS...25 BELOW ZERO TO 30 BELOW ZERO.

* MAIN IMPACT...RISK OF HYPOTHERMIA AND FROSTBITE.

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 TO DRESS IN LAYERS AND WEAR
A HAT AND GLOVES.

&&

$$
2 follow-up statements
331 
WWUS43 KMPX 120909
WSWMPX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
309 AM CST MON JAN 12 2015

...WIND CHILL ADVISORY IN EFFECT FOR PORTIONS OF CENTRAL MINNESOTA
UNTIL 10 AM CST THIS MORNING...

.NORTHWEST WINDS OF 5 TO 10 MPH WILL COMBINE WITH COLD
TEMPERATURES TO PRODUCE VERY COLD WIND CHILLS BETWEEN 25 AND
30 DEGREES BELOW ZERO EARLY THIS MORNING ACROSS PORTIONS OF
CENTRAL MINNESOTA...PARTICULARLY ALONG AND NORTH OF A LINE FROM
MORRIS TO SAINT CLOUD TO MORA. WIND CHILL READINGS RAPIDLY
IMPROVING AFTER 10 AM.

MNZ041>045-047>050-121600-
/O.CON.KMPX.WC.Y.0007.000000T0000Z-150112T1600Z/
DOUGLAS-TODD-MORRISON-MILLE LACS-KANABEC-STEVENS-POPE-STEARNS-
BENTON-
INCLUDING THE CITIES OF...ALEXANDRIA...LONG PRAIRIE...
LITTLE FALLS...PRINCETON...MORA...MORRIS...GLENWOOD...ST. CLOUD...
FOLEY
309 AM CST MON JAN 12 2015

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST THIS
MORNING...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST THIS
MORNING. 

* TIMING...WORST CONDITIONS BETWEEN 4 AM AND 9 AM CST THIS MORNING.

* WINDS...NORTHWEST 5 TO 10 MPH.

* WIND CHILL READINGS...25 BELOW ZERO TO 30 BELOW ZERO.

* MAIN IMPACT...RISK OF HYPOTHERMIA AND FROSTBITE.

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 TO DRESS IN LAYERS AND
WEAR A HAT AND GLOVES.

&&

$$
196 
WWUS43 KMPX 121555
WSWMPX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
955 AM CST MON JAN 12 2015

...WIND CHILL ADVISORY WILL EXPIRE AT 10AM CST...

.THE WIND CHILL ADVISORY WILL EXPIRE AT 10AM CST AS BRIGHT SUN AND
WARMING TEMPERATURES CONTINUE TODAY. TONIGHT WILL BE ANOTHER COLD
NIGHT...BUT WINDS WILL BE LIGHT.

MNZ041>045-047>050-121700-
/O.EXP.KMPX.WC.Y.0007.000000T0000Z-150112T1600Z/
DOUGLAS-TODD-MORRISON-MILLE LACS-KANABEC-STEVENS-POPE-STEARNS-
BENTON-
INCLUDING THE CITIES OF...ALEXANDRIA...LONG PRAIRIE...
LITTLE FALLS...PRINCETON...MORA...MORRIS...GLENWOOD...ST. CLOUD...
FOLEY
955 AM CST MON JAN 12 2015

...WIND CHILL ADVISORY WILL EXPIRE AT 10 AM CST THIS MORNING...

THE WIND CHILL ADVISORY WILL EXPIRE AT 10 AM CST THIS MORNING. 

* WIND CHILL VALUES...WARMING INTO THE MID TEENS BELOW ZERO.

$$

JRB

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 12, 2:46 PM CSTWind Chill AdvisoryMPXBenton, Blue Earth, Brown, Chippewa, Douglas, Isanti and 21 more20 hr

Nearby

Wind 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.