Alert archive / South Dakota / Wind Chill Advisories in 2013

Wind Chill Advisory 9, NWS Sioux Falls, SD

December 8, 20134 states

NWS Sioux Falls, SD issued this wind chill advisory at Dec 8, 2013, 3:54 AM CST for 4 states. It took effect at Dec 9, 2013, 12:00 AM CST. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Dec 8, 2013, 3:54 AM CST (09:54 UTC)
In effect from
Dec 9, 2013, 12:00 AM CST
Expired
Dec 9, 2013, 12:00 PM CST
In force
12 hr
Issued by
NWS Sioux Falls, SD
All 45 counties

Buena Vista County, IA, Cherokee County, IA, Clay County, IA, Dickinson County, IA, Ida County, IA, Lyon County, IA, O'Brien County, IA, Osceola County, IA, Plymouth County, IA, Sioux County, IA, Woodbury County, IA, Cottonwood County, MN, Jackson County, MN, Lincoln County, MN, Lyon County, MN, Murray County, MN, Nobles County, MN, Pipestone County, MN, Rock County, MN, Dakota County, NE, Dixon County, NE, Aurora County, SD, Beadle County, SD, Bon Homme County, SD, Brookings County, SD, Brule County, SD, Charles Mix County, SD, Clay County, SD, Davison County, SD, Douglas County, SD, Gregory County, SD, Hanson County, SD, Hutchinson County, SD, Jerauld County, SD, Kingsbury County, SD, Lake County, SD, Lincoln County, SD, McCook County, SD, Miner County, SD, Minnehaha County, SD, Moody County, SD, Sanborn County, SD, Turner County, SD, Union County, SD, Yankton County, SD

The radar

The Sioux Falls radar (KFSD), 16 km from the middle of the area, began a volume at 09:59 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

Aberdeen, SD (KABR), launched 00:00Z, 9.9 hours before the alert went out and 202 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, Aberdeen, SD at 00:00Z on 2013-12-08Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 00:00Z on 2013-12-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 77 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
766 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
77 m²/s²
0-3 km storm-relative helicity
166 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 
WWUS43 KFSD 080954
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
354 AM CST SUN DEC 8 2013

IAZ001>003-012>014-020>022-031-032-MNZ081-089-090-NEZ013-014-
SDZ067-069>071-081800-
/O.NEW.KFSD.WC.Y.0009.131209T0900Z-131209T1800Z/
/O.CON.KFSD.WW.Y.0025.000000T0000Z-131209T0000Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-
BUENA VISTA-WOODBURY-IDA-COTTONWOOD-NOBLES-JACKSON-DIXON-DAKOTA-
LINCOLN-YANKTON-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...LE MARS...CHEROKEE...STORM LAKE...SIOUX CITY...
IDA GROVE...HOLSTEIN...BATTLE CREEK...WINDOM...MOUNTAIN LAKE...
WORTHINGTON...JACKSON...LAKEFIELD...WAKEFIELD...PONCA...ALLEN...
SOUTH SIOUX CITY...CANTON...LENNOX...TEA...HARRISBURG...YANKTON...
VERMILLION...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
354 AM CST SUN DEC 8 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING...
...WIND CHILL ADVISORY IN EFFECT FROM 3 AM TO NOON CST MONDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT FROM 3 AM TO NOON CST MONDAY.

* TIMING...SNOW WILL OCCUR TODAY...ENDING THIS EVENING. 

* ACCUMULATIONS...TOTAL SNOWFALL AMOUNTS OF 2 TO 4 INCHES ARE
  EXPECTED BY EARLY EVENING.

* WIND AND VISIBILITY...VISIBILITY WILL BE REDUCED TO AROUND THREE
  QUARTERS OF A MILE AT TIMES WITH THE SNOWFALL. HOWEVER WINDS
  WILL BE FAIRLY LIGHT...AVERAGING 10 TO 15 MPH THIS MORNING AND
  BECOMING LIGHT THIS AFTERNOON.

* WIND CHILL VALUES...WINDS WILL BECOME NORTHWEST AND INCREASE TO
  10 TO 20 MPH OR SLIGHTLY STRONGER LATE TONIGHT AND MONDAY
  MORNING. THEREFORE WIND CHILL VALUES WILL AVERAGE 20 BELOW TO 25
  DEGREES BELOW ZERO DURING THAT PERIOD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN.  THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS.  THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

&&

$$

SDZ038>040-050-052>055-057>061-063>065-081800-
/O.NEW.KFSD.WC.Y.0009.131209T0600Z-131209T1800Z/
BEADLE-KINGSBURY-BROOKINGS-GREGORY-JERAULD-SANBORN-MINER-LAKE-
BRULE-AURORA-DAVISON-HANSON-MCCOOK-CHARLES MIX-DOUGLAS-HUTCHINSON-
INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...BROOKINGS...GREGORY...BURKE...WESSINGTON SPRINGS...
ALPENA...WOONSOCKET...HOWARD...MADISON...CHAMBERLAIN...KIMBALL...
PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...ALEXANDRIA...
EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE...WAGNER...
PLATTE...LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT...
PARKSTON...FREEMAN...MENNO...TRIPP
354 AM CST SUN DEC 8 2013

...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO NOON
CST MONDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON
CST MONDAY. 

* WIND AND VISIBILITY...WINDS WILL AVERAGE 10 TO 20 MPH LATE
  TONIGHT AND MONDAY MORNING. 

* WIND CHILL VALUES...WIND CHILL VALUES WILL FALL TO 20 BELOW TO
  30 DEGREES BELOW ZERO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN.  THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS.  THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

&&

$$

MNZ071-072-080-097-098-SDZ056-062-066-068-081800-
/O.NEW.KFSD.WC.Y.0009.131209T0900Z-131209T1800Z/
LINCOLN-LYON-MURRAY-PIPESTONE-ROCK-MOODY-MINNEHAHA-TURNER-
BON HOMME-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...MARSHALL...SLAYTON...FULDA...PIPESTONE...LUVERNE...
FLANDREAU...SIOUX FALLS...PARKER...CENTERVILLE...MARION...
VIBORG...HURLEY...CHANCELLOR...TYNDALL...SCOTLAND...SPRINGFIELD...
AVON...TABOR
354 AM CST SUN DEC 8 2013

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

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT FROM 3 AM TO NOON CST MONDAY.

* WIND AND VISIBILITY...WINDS WILL AVERAGE 15 TO 25 MPH LATE
  TONIGHT AND MONDAY MORNING.

* WIND CHILL VALUES...WIND CHILL VALUES WILL FALL TO 20 BELOW TO
  30 DEGREES BELOW ZERO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN.  THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS.  THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

&&

$$
5 follow-up statements
000 
WWUS43 KFSD 081753
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1153 AM CST SUN DEC 8 2013

IAZ001>003-012>014-020>022-031-032-MNZ081-089-090-NEZ013-014-
SDZ067-069>071-090200-
/O.CON.KFSD.WW.Y.0025.000000T0000Z-131209T0000Z/
/O.CON.KFSD.WC.Y.0009.131209T0900Z-131209T1800Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-
BUENA VISTA-WOODBURY-IDA-COTTONWOOD-NOBLES-JACKSON-DIXON-DAKOTA-
LINCOLN-YANKTON-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...LE MARS...CHEROKEE...STORM LAKE...SIOUX CITY...
IDA GROVE...HOLSTEIN...BATTLE CREEK...WINDOM...MOUNTAIN LAKE...
WORTHINGTON...JACKSON...LAKEFIELD...WAKEFIELD...PONCA...ALLEN...
SOUTH SIOUX CITY...CANTON...LENNOX...TEA...HARRISBURG...YANKTON...
VERMILLION...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
1153 AM CST SUN DEC 8 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 3 AM TO NOON CST
MONDAY...

* TIMING...LIGHT SNOW AND FLURRIES WILL LINGER INTO THIS AFTERNOON.

* ACCUMULATIONS...ADDITIONAL ACCUMULATIONS WILL GENERALLY BE LESS
  THAN AN INCH.

* WIND AND VISIBILITY...VISIBILITY WILL BE REDUCED TO AROUND ONE MILE
  AT TIMES WITH THE SNOWFALL THIS AFTERNOON.

* WIND CHILL VALUES...WINDS WILL BECOME NORTHWEST AND INCREASE 
  TO 10 TO 20 MPH OR SLIGHTLY STRONGER LATE TONIGHT AND MONDAY 
  MORNING. THEREFORE WIND CHILL VALUES WILL AVERAGE 20 BELOW TO 
  25 DEGREES BELOW ZERO DURING THAT PERIOD. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN.  THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS.  THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

&&

$$

SDZ038>040-050-052>055-057>061-063>065-090200-
/O.CON.KFSD.WC.Y.0009.131209T0600Z-131209T1800Z/
BEADLE-KINGSBURY-BROOKINGS-GREGORY-JERAULD-SANBORN-MINER-LAKE-
BRULE-AURORA-DAVISON-HANSON-MCCOOK-CHARLES MIX-DOUGLAS-HUTCHINSON-
INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...BROOKINGS...GREGORY...BURKE...WESSINGTON SPRINGS...
ALPENA...WOONSOCKET...HOWARD...MADISON...CHAMBERLAIN...KIMBALL...
PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...ALEXANDRIA...
EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE...WAGNER...
PLATTE...LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT...
PARKSTON...FREEMAN...MENNO...TRIPP
1153 AM CST SUN DEC 8 2013

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
NOON CST MONDAY...

* WIND AND VISIBILITY...WINDS WILL AVERAGE 10 TO 20 MPH LATE 
  TONIGHT AND MONDAY MORNING. 

* WIND CHILL VALUES...WIND CHILL VALUES WILL FALL TO 20 BELOW TO 
  30 DEGREES BELOW ZERO. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN.  THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS.  THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

&&

$$

MNZ071-072-080-097-098-SDZ056-062-066-068-090200-
/O.CON.KFSD.WC.Y.0009.131209T0900Z-131209T1800Z/
LINCOLN-LYON-MURRAY-PIPESTONE-ROCK-MOODY-MINNEHAHA-TURNER-
BON HOMME-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...MARSHALL...SLAYTON...FULDA...PIPESTONE...LUVERNE...
FLANDREAU...SIOUX FALLS...PARKER...CENTERVILLE...MARION...
VIBORG...HURLEY...CHANCELLOR...TYNDALL...SCOTLAND...SPRINGFIELD...
AVON...TABOR
1153 AM CST SUN DEC 8 2013

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

* WIND AND VISIBILITY...WINDS WILL AVERAGE 15 TO 25 MPH LATE 
  TONIGHT AND MONDAY MORNING. 

* WIND CHILL VALUES...WIND CHILL VALUES WILL FALL TO 20 BELOW TO 
  30 DEGREES BELOW ZERO. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN.  THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS.  THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

&&

$$

CHENARD
000 
WWUS43 KFSD 082102
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
302 PM CST SUN DEC 8 2013

IAZ001>003-012>014-020>022-031-032-MNZ081-089-090-NEZ013-014-
SDZ067-069>071-090515-
/O.CAN.KFSD.WW.Y.0025.000000T0000Z-131209T0000Z/
/O.CON.KFSD.WC.Y.0009.131209T0900Z-131209T1800Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-
BUENA VISTA-WOODBURY-IDA-COTTONWOOD-NOBLES-JACKSON-DIXON-DAKOTA-
LINCOLN-YANKTON-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...LE MARS...CHEROKEE...STORM LAKE...SIOUX CITY...
IDA GROVE...HOLSTEIN...BATTLE CREEK...WINDOM...MOUNTAIN LAKE...
WORTHINGTON...JACKSON...LAKEFIELD...WAKEFIELD...PONCA...ALLEN...
SOUTH SIOUX CITY...CANTON...LENNOX...TEA...HARRISBURG...YANKTON...
VERMILLION...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
302 PM CST SUN DEC 8 2013

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 3 AM TO NOON CST
MONDAY...
...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE
WINTER WEATHER ADVISORY. 

* WIND AND VISIBILITY...WEST NORTHWEST WINDS WILL AVERAGE 10 TO 20
  MPH TONIGHT AND MONDAY MORNING.

* WIND CHILL VALUES...WIND CHILL VALUES WILL FALL TO 20 BELOW TO 
  30 DEGREES BELOW ZERO. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN.  THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS.  THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

&&


$$

SDZ038>040-050-052>055-057>061-063>065-090515-
/O.CON.KFSD.WC.Y.0009.131209T0600Z-131209T1800Z/
BEADLE-KINGSBURY-BROOKINGS-GREGORY-JERAULD-SANBORN-MINER-LAKE-
BRULE-AURORA-DAVISON-HANSON-MCCOOK-CHARLES MIX-DOUGLAS-HUTCHINSON-
INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...BROOKINGS...GREGORY...BURKE...WESSINGTON SPRINGS...
ALPENA...WOONSOCKET...HOWARD...MADISON...CHAMBERLAIN...KIMBALL...
PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...ALEXANDRIA...
EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE...WAGNER...
PLATTE...LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT...
PARKSTON...FREEMAN...MENNO...TRIPP
302 PM CST SUN DEC 8 2013

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
NOON CST MONDAY...

* WIND AND VISIBILITY...WEST NORTHWEST WINDS WILL AVERAGE 10 TO 20
  MPH TONIGHT AND MONDAY MORNING.

* WIND CHILL VALUES...WIND CHILL VALUES WILL FALL TO 20 BELOW TO 
  30 DEGREES BELOW ZERO. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN.  THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS.  THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

&&

$$

MNZ071-072-080-097-098-SDZ056-062-066-068-090515-
/O.CON.KFSD.WC.Y.0009.131209T0900Z-131209T1800Z/
LINCOLN-LYON-MURRAY-PIPESTONE-ROCK-MOODY-MINNEHAHA-TURNER-
BON HOMME-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...MARSHALL...SLAYTON...FULDA...PIPESTONE...LUVERNE...
FLANDREAU...SIOUX FALLS...PARKER...CENTERVILLE...MARION...
VIBORG...HURLEY...CHANCELLOR...TYNDALL...SCOTLAND...SPRINGFIELD...
AVON...TABOR
302 PM CST SUN DEC 8 2013

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

* WIND AND VISIBILITY...WEST NORTHWEST WINDS WILL AVERAGE 10 TO 20
  MPH TONIGHT AND MONDAY MORNING.

* WIND CHILL VALUES...WIND CHILL VALUES WILL FALL TO 20 BELOW TO 
  30 DEGREES BELOW ZERO. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN.  THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS.  THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

&&

$$

CHENARD
000 
WWUS43 KFSD 090438
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1038 PM CST SUN DEC 8 2013

SDZ038>040-050-052>055-057>061-063>065-091245-
/O.CON.KFSD.WC.Y.0009.131209T0600Z-131209T1800Z/
BEADLE-KINGSBURY-BROOKINGS-GREGORY-JERAULD-SANBORN-MINER-LAKE-
BRULE-AURORA-DAVISON-HANSON-MCCOOK-CHARLES MIX-DOUGLAS-HUTCHINSON-
INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...BROOKINGS...GREGORY...BURKE...WESSINGTON SPRINGS...
ALPENA...WOONSOCKET...HOWARD...MADISON...CHAMBERLAIN...KIMBALL...
PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...ALEXANDRIA...
EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE...WAGNER...
PLATTE...LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT...
PARKSTON...FREEMAN...MENNO...TRIPP
1038 PM CST SUN DEC 8 2013

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST MONDAY...

* WIND AND VISIBILITY...WEST NORTHWEST WINDS WILL AVERAGE 10 TO 
  20 MPH TONIGHT AND MONDAY MORNING. 

* WIND CHILL VALUES...WIND CHILL VALUES WILL FALL TO 20 BELOW TO 
  30 DEGREES BELOW ZERO. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN.  THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS.  THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

&&

$$

IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ056-062-066>071-091245-
/O.CON.KFSD.WC.Y.0009.131209T0900Z-131209T1800Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-
BUENA VISTA-WOODBURY-IDA-LINCOLN-MURRAY-COTTONWOOD-NOBLES-JACKSON-
PIPESTONE-ROCK-DIXON-DAKOTA-MOODY-MINNEHAHA-TURNER-BON HOMME-
YANKTON-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...LE MARS...CHEROKEE...STORM LAKE...SIOUX CITY...
IDA GROVE...HOLSTEIN...BATTLE CREEK...TYLER...HENDRICKS...
LAKE BENTON...IVANHOE...MARSHALL...SLAYTON...FULDA...WINDOM...
MOUNTAIN LAKE...WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE...
LUVERNE...WAKEFIELD...PONCA...ALLEN...SOUTH SIOUX CITY...
FLANDREAU...SIOUX FALLS...PARKER...CENTERVILLE...MARION...
VIBORG...HURLEY...CHANCELLOR...CANTON...LENNOX...TEA...
HARRISBURG...TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR...
YANKTON...VERMILLION...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
1038 PM CST SUN DEC 8 2013

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

* WIND AND VISIBILITY...WEST NORTHWEST WINDS WILL AVERAGE 10 TO 
  20 MPH TONIGHT AND MONDAY MORNING. 

* WIND CHILL VALUES...WIND CHILL VALUES WILL FALL TO 20 BELOW TO 
  30 DEGREES BELOW ZERO. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN.  THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS.  THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

&&

$$
000 
WWUS43 KFSD 091012
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
412 AM CST MON DEC 9 2013

SDZ038>040-050-052>055-057>061-063>065-091800-
/O.CON.KFSD.WC.Y.0009.000000T0000Z-131209T1800Z/
BEADLE-KINGSBURY-BROOKINGS-GREGORY-JERAULD-SANBORN-MINER-LAKE-
BRULE-AURORA-DAVISON-HANSON-MCCOOK-CHARLES MIX-DOUGLAS-HUTCHINSON-
INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...BROOKINGS...GREGORY...BURKE...WESSINGTON SPRINGS...
ALPENA...WOONSOCKET...HOWARD...MADISON...CHAMBERLAIN...KIMBALL...
PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...ALEXANDRIA...
EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE...WAGNER...
PLATTE...LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT...
PARKSTON...FREEMAN...MENNO...TRIPP
412 AM CST MON DEC 9 2013

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...

* WIND AND VISIBILITY...WEST TO NORTHWEST WINDS WILL AVERAGE 10 TO
  20 MPH...WITH OCCASIONAL GUSTS TO AROUND 25 MPH.

* WIND CHILL VALUES...WIND CHILL VALUES OF 20 BELOW TO 30 BELOW ZERO
  THIS MORNING...WILL RISE INTO THE TEENS AND SINGLE DIGITS BELOW
  ZERO IN THE AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN.  THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS.  THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

&&

$$

IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ056-062-066>071-091800-
/O.CON.KFSD.WC.Y.0009.000000T0000Z-131209T1800Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-
BUENA VISTA-WOODBURY-IDA-LINCOLN-MURRAY-COTTONWOOD-NOBLES-JACKSON-
PIPESTONE-ROCK-DIXON-DAKOTA-MOODY-MINNEHAHA-TURNER-BON HOMME-
YANKTON-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...LE MARS...CHEROKEE...STORM LAKE...SIOUX CITY...
IDA GROVE...HOLSTEIN...BATTLE CREEK...TYLER...HENDRICKS...
LAKE BENTON...IVANHOE...MARSHALL...SLAYTON...FULDA...WINDOM...
MOUNTAIN LAKE...WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE...
LUVERNE...WAKEFIELD...PONCA...ALLEN...SOUTH SIOUX CITY...
FLANDREAU...SIOUX FALLS...PARKER...CENTERVILLE...MARION...
VIBORG...HURLEY...CHANCELLOR...CANTON...LENNOX...TEA...
HARRISBURG...TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR...
YANKTON...VERMILLION...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
412 AM CST MON DEC 9 2013

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...

* WIND AND VISIBILITY...WEST TO NORTHWEST WINDS WILL AVERAGE 10 TO
  20 MPH...WITH OCCASIONAL GUSTS TO AROUND 25 MPH.

* WIND CHILL VALUES...WIND CHILL VALUES OF 20 BELOW TO 30 BELOW ZERO
  THIS MORNING...WILL RISE INTO THE TEENS AND SINGLE DIGITS BELOW
  ZERO IN THE AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN.  THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS.  THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

&&

$$
000 
WWUS43 KFSD 091747
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1147 AM CST MON DEC 9 2013

SDZ038>040-050-052>055-057>061-063>065-091900-
/O.EXP.KFSD.WC.Y.0009.000000T0000Z-131209T1800Z/
BEADLE-KINGSBURY-BROOKINGS-GREGORY-JERAULD-SANBORN-MINER-LAKE-
BRULE-AURORA-DAVISON-HANSON-MCCOOK-CHARLES MIX-DOUGLAS-HUTCHINSON-
INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...BROOKINGS...GREGORY...BURKE...WESSINGTON SPRINGS...
ALPENA...WOONSOCKET...HOWARD...MADISON...CHAMBERLAIN...KIMBALL...
PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...ALEXANDRIA...
EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE...WAGNER...
PLATTE...LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT...
PARKSTON...FREEMAN...MENNO...TRIPP
1147 AM CST MON DEC 9 2013

...WIND CHILL ADVISORY WILL EXPIRE AT NOON CST TODAY...

AS TEMPERATURES CONTINUE TO SLOWLY RISE...WIND CHILL VALUES ARE ALSO
INCREASING ACROSS THE AREA. HOWEVER WIND CHILL VALUES WILL REMAIN IN
THE SINGLE DIGITS BELOW TO TEENS BELOW ZERO THROUGH THIS
AFTERNOON...WITH SOME READINGS AROUND 20 BELOW ZERO LINGERING ALONG
THE HIGHWAY 14 CORRIDOR.

$$

IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ056-062-066>071-091900-
/O.EXP.KFSD.WC.Y.0009.000000T0000Z-131209T1800Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-
BUENA VISTA-WOODBURY-IDA-LINCOLN-MURRAY-COTTONWOOD-NOBLES-JACKSON-
PIPESTONE-ROCK-DIXON-DAKOTA-MOODY-MINNEHAHA-TURNER-BON HOMME-
YANKTON-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...LE MARS...CHEROKEE...STORM LAKE...SIOUX CITY...
IDA GROVE...HOLSTEIN...BATTLE CREEK...TYLER...HENDRICKS...
LAKE BENTON...IVANHOE...MARSHALL...SLAYTON...FULDA...WINDOM...
MOUNTAIN LAKE...WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE...
LUVERNE...WAKEFIELD...PONCA...ALLEN...SOUTH SIOUX CITY...
FLANDREAU...SIOUX FALLS...PARKER...CENTERVILLE...MARION...
VIBORG...HURLEY...CHANCELLOR...CANTON...LENNOX...TEA...
HARRISBURG...TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR...
YANKTON...VERMILLION...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
1147 AM CST MON DEC 9 2013

...WIND CHILL ADVISORY WILL EXPIRE AT NOON CST TODAY...

AS TEMPERATURES CONTINUE TO SLOWLY RISE...WIND CHILL VALUES ARE ALSO
INCREASING ACROSS THE AREA. HOWEVER WIND CHILL VALUES WILL REMAIN IN
THE SINGLE DIGITS BELOW TO TEENS BELOW ZERO THROUGH THIS
AFTERNOON...WITH SOME READINGS AROUND 20 BELOW ZERO LINGERING ALONG
AND NORTH OF INTERSTATE 90.

$$

What forecasters said that day

The local office's own words before this wind chill advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Sioux Falls, SD wrote its last area forecast discussion before this wind chill advisory went out at Dec 8, 3:37 AM CST, 17 minutes earlier.

Area forecast discussion, Dec 8, 3:37 AM CST, 17 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SIOUX FALLS SD
337 AM CST SUN DEC 8 2013

.SHORT TERM...(TODAY AND TONIGHT)
ISSUED AT 336 AM CST SUN DEC 8 2013

SNOW SPREAD OVER ALL OF THE AREA DURING THE NIGHT AND SEEMS TO BE
GOING AS PLANNED. THE CURRENT BROAD BRUSHING NATURE OF THE LIGHT
SNOW SHOULD BE ENHANCED SOUTHEAST DURING MUCH OF THE DAY AS
SHORTWAVE MOVES ACROSS THAT AREA. WILL KEEP THE HEALTHY SNOW TO
LIQUID RATIOS WE HAVE HAD GOING...THOUGH THERE HAVE BEEN A COUPLE
HINTS SO FAR THAT WE MAY BE GETTING A TAD MORE LIQUID AND A LITTLE
LESS ON THE RATIO TO COME UP THE SNOW AMOUNTS THAT WE HAVE BEEN
EXPECTING. STILL THINKING THAT THE RATIOS WILL BE HIGHER SOUTHEAST
THAN NORTHWEST WITH A LITTLE WARMER TEMPERATURES ALOFT ALLOWING MORE
OF THE DECENT LIFT TO BE IN THE DENDRITIC ZONE. ANYWAY...THE WINTER
WEATHER ADVISORY FOR THE SNOW WILL BE CONTINUED AS WAS ISSUED
THROUGH THE DAY FOR THE AREA FROM SOUTH TO EAST OF SIOUX FALLS...3
TO 4 INCHES TOTAL EXPECTED IN THAT AREA...RANGING DOWN TO AROUND AN
INCH NORTHWEST.

THE SNOW SHOULD END STEADILY FROM THE WEST THIS AFTERNOON AND
EVENING...AND THIS WILL BE FOLLOWED BY A STEADY DECREASE IN CLOUDS
TONIGHT. THE RATE OF DRYING...SNOW ENDING...AND CLEARING SEEMS TO BE
QUITE CONSISTENT ON THE DIFFERENT MODELS. APPROACHING CANADIAN WAVE
WILL BRING ANOTHER SURGE OF COLD AIR TONIGHT AFTER OUR SLOW AND VERY
MODEST WARMING THROUGH TODAY. CURRENT THINKING IS THAT THE WEST TO
NORTHWEST WINDS BRINGING THIS REINFORCING SURGE WILL NOT BE STRONG
ENOUGH TO CAUSE BLOWING SNOW...SO HAVE TAKEN THAT OUT FOR LATE
TONIGHT. THE WINDS WILL BE STRONG ENOUGH HOWEVER TO DRIVE DOWN THE
WIND CHILLS INTO ADVISORY TERRITORY...SO WILL BE GOING WITH A WIND
CHILL ADVISORY STARTING MIDNIGHT NORTHWEST TO 3 AM SOUTHEAST...AND
GOING THROUGH MONDAY MORNING. ACTUAL LOW TEMPERATURES WILL BE HEADED
BACK DOWN BELOW ZERO...AND IT DOES TO TAKE MUCH WIND TO GET THE WIND
CHILLS TO 20 BELOW.

.LONG TERM...(MONDAY THROUGH SATURDAY)
ISSUED AT 336 AM CST SUN DEC 8 2013

ON MONDAY...DECIDED FOR BETTER OR WORSE TO TAKE OUT THE AREAS OF
BLOWING SNOW THROUGHOUT MANY OF OUR EASTERN ZONES FOR THE MORNING
HOURS. THERE IS A BIT OF UPPER RIDGING THAT SLIDES THROUGH OUR
FORECAST AREA. THEREFORE DESPITE SOME DECENT COLD AIR ADVECTION IN
THE LOWER LEVELS EARLY IN THE DAY IN OUR EAST...THE PAST FEW MODEL
RUNS HAVE BEEN SHADING DOWN SOME OF THE STRENGTH OF THE WINDS OFF
THE SURFACE. THIS SHOULD HELP TO GIVE THE AFFECT OF SURFACE WINDS
NOT BEING QUITE AS STRONG AS THEY LOOKED A COUPLE OF DAYS AGO.
THAT SAID...THE WINDS WILL BE STOUT ENOUGH TO KEEP THE WIND CHILL
ADVISORY GOING UNTIL MIDDAY. OUR SOUTHERN ZONES WILL LIKELY WARM
TO ABOVE CRITERIA BY MID MORNING...BUT DID NOT WANT TO MAKE TOO
MANY ZONE SPLITS FOR A WIND CHILL HEADLINE FOR SIMPLICITY. IN THE
LATE AFTERNOON...SURFACE TROUGHING MOVES INTO AREAS JUST TO THE
WEST OF OUR FORECAST AREA WHICH WILL TURN THE WINDS TO THE
SOUTHWEST. DESPITE THIS FAVORABLE DIRECTION...925MB TEMPERATURES
WILL BE COLD SO STILL EXPECTING HIGHS ONLY IN THE SINGLE DIGITS
ABOVE ZERO. THE ONE EXCEPTION WILL BE IN OUR SOUTHWEST ZONES WHO
SHOULD MODERATE INTO THE MID TEENS JUST AHEAD OF THE WARM FRONT.

THE NEXT SHORT WAVE RAPIDLY MOVES SOUTHEASTWARD ACROSS THE
NORTHERN PLAINS MONDAY NIGHT. THE AFOREMENTIONED SURFACE
TROUGH/WARM FRONT CONTINUES TO MOVE EASTWARD THROUGH THE NIGHT...
WITH THE TRAILING COLD FRONT NOT MOVING SOUTHWARD UNTIL VERY LATE
AT NIGHT. THEREFORE LOWS ARE TRICKY AS RISING TEMPERATURES WILL
DOMINATE. LOWS WILL BE IN THE EARLY EVENING AND WILL ONLY BE A
FEW DEGREES COLDER THEN MONDAYS HIGHS. BECAUSE BOTH THE NAM AND
GFS ARE SHOWING A FAIRLY DEEP MOISTURE PROFILE NORTH OF INTERSTATE
90...DECIDED TO MENTION A FEW FLURRIES IN THOSE AREAS RIGHT ALONG
THE WARM FRONTAL PASSAGE. AMOUNTS WILL LIKELY NOT ACCUMULATE.

THE DEGREE OF COOLING BEHIND THE COLD FRONT LATE MONDAY NIGHT WILL
NOT BE AS SEVERE AS PREVIOUS COLD FRONTS COMING OUT OF CANADA.
THEREFORE HIGHS WILL RANGE FROM THE MID TEENS NORTHEAST TO MID 20S
SOUTHWEST ON TUESDAY. FURTHERMORE...WINDS WILL NOT BE VERY STRONG
WITH A WESTERLY DIRECTION. A MORE INTERESTING FEATURE IS THE NEXT
AND STRONGER SHORT WAVE MOVING DOWN AND BEGINNING TO AFFECT OUR
NORTHERN ZONES AS EARLY AS TUESDAY AFTERNOON. THE MAIN FOCUS OF
THE WAVE THEN AFFECTS OUR ENTIRE FORECAST AREA TUESDAY EVENING...
EXITING OUR EAST LATE TUESDAY NIGHT. ALL MODELS POINT TO A QUICKLY
SATURATING ATMOSPHERE IN OUR NORTHERN ZONES TUESDAY AFTERNOON
AHEAD OF THIS WAVE...WITH A DENDRITIC PROFILE WHICH IS NOT TOO BAD
AT ABOUT 3 TO 3.5 KM DEEP. FURTHERMORE...THE MODELS ARE IN
EXCELLENT AGREEMENT IN SHOWING A JET STREAK HANGING BACK FROM THE
MAIN JET...ENCOMPASSING WISCONSIN AND CENTRAL MN WHICH PLACES OUR
NORTHERN ZONES IN THE RIGHT REAR QUAD WHICH WILL ENHANCE ASCENT.
THEREFORE PUT IN SOME POPS FOR AREAS NORTH OF I 90 FOR CHANCES OF
LIGHT SNOW. THEN TUESDAY NIGHT...THE MOISTURE DEPTH IS QUITE
IMPRESSIVE FOR NEARLY ALL LOCATIONS UNTIL LATE AT NIGHT WHEN IT
RAPIDLY DRIES OUT. THE JET STREAK MOVES SOUTHEASTWARD PULLING THE
LIFT WITH IT. BUT BELIEVE THAT LIGHT SNOW COULD OCCUR SO BEGAN A
TREND OF PUTTING IN SOME POPS. WOULD NOT BE SURPRISED WHEN THE
TIME COMES IF TUESDAY NIGHT BECOMES ONE OF THOSE HIGH POP/LIGHT QPF
EVENTS OF FLUFF. THE EXCEPTION MIGHT BE IN OUR FAR SOUTHERN ZONES
WHERE THE MOISTURE PROFILE CURRENTLY LOOKS A LITTLE MORE MOISTURE
STARVED. BUT OF COURSE THAT COULD CHANGE IF THE WAVE CONTINUES TO
DIG MORE SHARPLY SOUTHWARD. AS SKIES CLEAR LATE AT NIGHT TUESDAY
NIGHT...LOWS WILL LIKELY BECOME SUB ZERO FOR MANY AREAS...AND LOWS
MAY NOT BE REALIZED UNTIL ABOUT MID MORNING WEDNESDAY.

THE REST OF THE FORECAST CURRENTLY LOOKS DRY. THE ONE EXCEPTION IS
FRIDAY NIGHT WHERE MODEL CONSENSUS IS SHOWING ANOTHER WAVE PASSAGE
AND THE ECMWF DOES PRODUCE A BIT OF LIGHT SNOW. BUT THAT CAN WAIT
ESPECIALLY SINCE THE GFS DID NOT GIVE ANY SUPPORT FOR SNOW. THE
ECMWF IS STRONGER WITH THE WAVE AND THEREFORE BRINGS THE INFLUENCE
OF ANOTHER ARCTIC HIGH FURTHER SOUTHWARD INTO OUR AREA. THE
DIFFERENCE IN 925MB TEMPERATURES IS LARGE BETWEEN THE ECMWF AND
GFS DETERMINISTIC MODELS...WITH THE ECMWF MUCH COOLER FRIDAY AND
SATURDAY. AT ANY RATE...SATURDAY WILL LIKELY BE COLDER THEN
THURSDAY AND FRIDAY AS SOME ARCTIC AIR OOZES SOUTHWARD INTO OUR
AREA.

&&

.AVIATION...(FOR THE 06Z TAFS THROUGH 06Z SUNDAY NIGHT)
ISSUED AT 1050 PM CST SAT DEC 7 2013

LIGHT SNOW MOVING INTO THE SOUTHERN HALF OF THE FORECAST AREA WILL
CONTINUE TO GRADUALLY EXPAND ACROSS THE FORECAST AREA THROUGH THE
NEXT FEW HOURS. EXPECT VISIBILITY TO QUICKLY DROP INTO THE MVFR
CATEGORY AS THE SNOW MOVES IN...DROPPING TO IFR OVERNIGHT. COULD BE
PERIODS OF LIFR VISIBILITY AS WELL...WITH THE BEST CHANCE ACROSS
NORTHWEST IOWA AND ADJACENT AREAS OF NORTHEAST NEBRASKA AND SOUTHWEST
MINNESOTA...ALTHOUGH EVEN KFSD COULD SEE VISIBILITIES BRIEFLY BELOW A
MILE. EXPECT THIS SNOW TO BEGIN TAPERING OFF IN THE WEST AFTER
15Z...THE I-29 CORRIDOR AROUND 18 TO 21Z AND THE EASTERN HALF WILL
SEE SOME LIGHT SNOW LINGER THROUGH 00Z/MONDAY. WINDS WILL REMAIN
AROUND 10 KT OR LESS.

&&

.FSD WATCHES/WARNINGS/ADVISORIES...
SD...WINTER WEATHER ADVISORY UNTIL 6 PM CST THIS EVENING FOR SDZ067-
     069>071.

MN...WINTER WEATHER ADVISORY UNTIL 6 PM CST THIS EVENING FOR MNZ081-
     089-090.

IA...WINTER WEATHER ADVISORY UNTIL 6 PM CST THIS EVENING FOR
     IAZ001>003-012>014-020>022-031-032.

NE...WINTER WEATHER ADVISORY UNTIL 6 PM CST THIS EVENING FOR NEZ013-
     014.

&&

SHORT TERM...
LONG TERM...MJ
AVIATION...
Hazardous weather outlook, Dec 7, 2:59 PM CST, 12 hours 55 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SIOUX FALLS SD
259 PM CST SAT DEC 07 2013

SDZ038>040-050-052>071-MNZ071-072-080-081-089-090-097-098-
IAZ001>003-012>014-020>022-031-032-NEZ013-014-081200-
AURORA-BEADLE-BON HOMME-BROOKINGS-BRULE-BUENA VISTA IA-
CHARLES MIX-CHEROKEE IA-CLAY-CLAY IA-COTTONWOOD MN-DAKOTA NE-
DAVISON-DICKINSON IA-DIXON NE-DOUGLAS-GREGORY-HANSON-HUTCHINSON-
IDA IA-JACKSON MN-JERAULD-KINGSBURY-LAKE-LINCOLN-LINCOLN MN-
LYON IA-LYON MN-MCCOOK-MINER-MINNEHAHA-MOODY-MURRAY MN-NOBLES MN-
OBRIEN IA-OSCEOLA IA-PIPESTONE MN-PLYMOUTH IA-ROCK MN-SANBORN-
SIOUX IA-TURNER-UNION-WOODBURY IA-YANKTON-
259 PM CST SAT DEC 07 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST SOUTH DAKOTA...
SOUTHWEST MINNESOTA...NORTHWEST IOWA...AND NORTHEAST NEBRASKA.

.DAY ONE...TODAY AND TONIGHT

WINTER WEATHER...
SNOW WILL DEVELOP OVER SOUTH CENTRAL SOUTH DAKOTA THIS EVENING
AND SPREAD NORTHEAST THROUGH THE NIGHT. THE MOST CONCENTRATED
AREA OF SNOWFALL WILL BE FROM ABOUT PLATTE TO MARSHALL AND POINTS
SOUTH. A BROAD AREA OF A HALF AN INCH TO AN INCH WILL BE POSSIBLE
BY SUNRISE SUNDAY MORNING WITH AN INCH TO AN INCH AND A HALF OF
SNOW POSSIBLE ALONG THE MISSOURI RIVER CORRIDOR.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

OCCASIONAL SNOW WILL CONTINUE ACROSS THIS AREA SUNDAY...EXITING
SUNDAY EVENING. THE HEAVIER SNOW ACCUMULATIONS SHOULD TRACK
THROUGH NORTHWEST IOWA...WHERE A TOTAL OF ABOUT FOUR INCHES OF
SNOW COULD OCCUR. AS FAR NORTHWEST AS A YANKTON TO CANTON TO
WINDOM LINE AROUND THREE INCHES WILL BE POSSIBLE. AMOUNTS WILL
THEN STEADILY DECREASE HEADING NORTHWESTWARD TO ABOUT AN INCH
EXPECTED IN THE HURON AND CHAMBERLAIN SOUTH DAKOTA LOCATIONS.

LATE SUNDAY NIGHT STRONG NORTHWEST WINDS WILL DEVELOP AND DROP
WIND CHILL VALUES INTO THE 25 BELOW TO 35 BELOW ZERO RANGE
THROUGH ABOUT NOON ON MONDAY. IN ADDITION DUE TO THE LIGHT AND
FLUFFY NATURE OF THE EXPECTED SNOW BLOWING SNOW MAY CAUSE A FEW
PROBLEMS...ESPECIALLY OVER PORTIONS OF SOUTHWEST MINNESOTA AND
THE INTERSTATE 29 CORRIDOR BETWEEN ELK POINT AND BROOKINGS.

THERE WILL ALSO BE A CHANCE FOR SOME BLOWING SNOW AGAIN MONDAY
NIGHT INTO TUESDAY MORNING.

WIND CHILL VALUES MAY AGAIN FALL TO 20 BELOW TO 30 BELOW ZERO
TUESDAY NIGHT INTO WEDNESDAY AS ANOTHER SURGE OF ARCTIC AIR
INTRUDES.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.

&&

FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT
WWW.WEATHER.GOV/SIOUXFALLS. THIS INCLUDES THE GRAPHICAL HAZARDOUS
WEATHER OUTLOOK.

Nearby

Wind Chill Advisories in South Dakota, 2013Wind Chill Advisories in Iowa, 2013Wind Chill Advisories in Minnesota, 2013Every wind chill advisory in 2013

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.