Alert archive / Iowa / Wind Chill Advisories in 2011

Wind Chill Advisory 7, NWS Sioux Falls, SD

January 1, 20114 counties in Iowa; Dakota County, Dixon County, Nebraska; Clay County, Union County, South Dakota

NWS Sioux Falls, SD issued this wind chill advisory at Jan 1, 2011, 3:28 AM CST for 4 counties in Iowa; Dakota County, Dixon County, Nebraska; Clay County, Union County, South Dakota. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Jan 1, 2011, 3:28 AM CST (09:28 UTC)
Expired
Jan 1, 2011, 12:00 PM CST
In force
9 hr
Issued by
NWS Sioux Falls, SD

Counties Lyon County, IA, Plymouth County, IA, Sioux County, IA, Woodbury County, IA, Dakota County, NE, Dixon County, NE, Clay County, SD, Union County, SD

The radar

The Sioux Falls radar (KFSD), 93 km from the middle of the area, began a volume at 09:29 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

Omaha, NE (KOAX), launched 00:00Z, 9.5 hours before the alert went out and 162 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, Omaha, NE at 00:00Z on 2011-01-01Temperature 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, Omaha, NE at 00:00Z on 2011-01-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -34 square meters per square second.1939587897117136156Sfc1 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
1058 m above ground
0-6 km bulk shear
92 kt
0-1 km storm-relative helicity
-34 m²/s²
0-3 km storm-relative helicity
258 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.

588 
WWUS43 KFSD 010928
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
328 AM CST SAT JAN 1 2011

.STRONG LOW PRESSURE CENTERED OVER NORTHERN MINNESOTA THIS
MORNING WILL SLOWLY SHIFT EAST INTO THE GREAT LAKES REGION AND
SOUTHERN ONTARIO TODAY. STRONG NORTHWEST WINDS WILL OCCUR ON THE
BACKSIDE OF THIS LOW PRESSURE SYSTEM...WITH 30 TO 40 MPH WINDS
COMMON ACROSS EASTERN SOUTH DAKOTA...SOUTHWEST MINNESOTA AND
NORTHWEST IOWA TODAY. THESE STRONG WINDS WILL PRODUCE WIDESPREAD
BLOWING AND DRIFTING SNOW IN AREAS WHICH HAS RECENTLY RECEIVED NEW
SNOW THE PAST FEW DAYS. VISIBILITIES WILL DROP TO LESS THAN ONE
QUARTER MILE IN OPEN AREAS. IN ADDITION...BITTERLY COLD WIND CHILLS
WILL BE FOUND ACROSS THE AREA THIS MORNING. WEATHER CONDITIONS
WILL IMPROVE THIS AFTERNOON AND EVENING AS WINDS BEGIN TO SUBSIDE.


SDZ040-055-011730-
/O.CAN.KFSD.WS.W.0005.000000T0000Z-110101T1800Z/
/O.EXB.KFSD.BZ.W.0004.000000T0000Z-110102T0000Z/
BROOKINGS-LAKE-
INCLUDING THE CITIES OF...BROOKINGS...MADISON
328 AM CST SAT JAN 1 2011

...BLIZZARD WARNING IN EFFECT UNTIL 6 PM CST THIS EVENING...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT UNTIL 6 PM CST THIS EVENING. THE
WINTER STORM WARNING HAS BEEN CANCELLED. 


* TIMING...STRONG NORTHWEST WINDS WILL PRODUCE WIDESPREAD BLOWING
  SNOW AND SIGNIFICANTLY REDUCING VISIBILITIES IN OPEN AREAS THROUGH
  THE DAY. WINDS WILL BEGIN SLOWLY TO DECREASE THIS AFTERNOON AND
  THEN QUICKLY DROP OFF THIS EVENING...ENDING THE THREAT OF
  BLOWING AND DRIFTING SNOW.

* ACCUMULATIONS...A FEW SNOW FLURRIES WILL OCCUR TODAY...BUT NO
  ADDITIONAL SNOW ACCUMULATION IS EXPECTED.

* WIND AND VISIBILITY...WEST TO NORTHWEST WINDS WILL INCREASE TO
  25 TO 30 MPH THIS MORNING. THESE WINDS WILL CONTINUE INTO THE
  AFTERNOON WITH GUSTS OVER 40 MPH LIKELY. THE STRONG WINDS AND
  NEW SNOW COVER WILL RESULT IN BLOWING SNOW WITH VISIBILITIES OF
  A QUARTER MILE OR LESS IN OPEN AREAS.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED. SIGNIFICANT SNOWFALL...BLOWING SNOW...OR DANGEROUS WIND
CHILLS ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL
IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...
FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

&&


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

&&

$$

SDZ060-061-065-011730-
/O.CAN.KFSD.WS.W.0005.000000T0000Z-110101T1800Z/
/O.EXB.KFSD.BZ.W.0004.000000T0000Z-110101T2200Z/
HANSON-MCCOOK-HUTCHINSON-
INCLUDING THE CITIES OF...ALEXANDRIA...EMERY...SALEM...
CANISTOTA...BRIDGEWATER...MONTROSE...PARKSTON...FREEMAN...MENNO...
TRIPP
328 AM CST SAT JAN 1 2011

...BLIZZARD WARNING IN EFFECT UNTIL 4 PM CST THIS AFTERNOON...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT UNTIL 4 PM CST THIS AFTERNOON. THE
WINTER STORM WARNING HAS BEEN CANCELLED. 


* TIMING...STRONG NORTHWEST WINDS WILL PRODUCE WIDESPREAD BLOWING
  SNOW AND SIGNIFICANTLY REDUCING VISIBILITIES IN OPEN AREAS THROUGH
  THE DAY. WINDS WILL BEGIN SLOWLY TO DECREASE THIS AFTERNOON AND
  THEN QUICKLY DROP OFF THIS EVENING...ENDING THE THREAT OF
  BLOWING AND DRIFTING SNOW.

* ACCUMULATIONS...A FEW SNOW FLURRIES WILL OCCUR TODAY...BUT NO
  ADDITIONAL SNOW ACCUMULATION IS EXPECTED.

* WIND AND VISIBILITY...WEST TO NORTHWEST WINDS WILL INCREASE TO
  25 TO 30 MPH THIS MORNING. THESE WINDS WILL CONTINUE INTO THE
  AFTERNOON WITH GUSTS OVER 40 MPH LIKELY. THE STRONG WINDS AND
  NEW SNOW COVER WILL RESULT IN BLOWING SNOW WITH VISIBILITIES OF
  A QUARTER MILE OR LESS IN OPEN AREAS.



PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

&&

$$

SDZ068-011730-
/O.CAN.KFSD.WS.W.0005.000000T0000Z-110101T1800Z/
/O.EXB.KFSD.WW.Y.0023.000000T0000Z-110102T0000Z/
BON HOMME-
INCLUDING THE CITIES OF...TYNDALL...SCOTLAND...SPRINGFIELD...
AVON...TABOR
328 AM CST SAT JAN 1 2011

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM CST THIS
EVENING...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
WEATHER ADVISORY FOR BLOWING SNOW...WHICH IS IN EFFECT UNTIL 6 PM CST
THIS EVENING. THE WINTER STORM WARNING HAS BEEN CANCELLED.


* TIMING...STRONG NORTHWEST WINDS WILL PRODUCE WIDESPREAD BLOWING
  SNOW...REDUCING VISIBILITIES IN OPEN AREAS THROUGH THE DAY. WINDS
  WILL BEGIN SLOWLY TO DECREASE THIS AFTERNOON AND THEN QUICKLY
  DROP OFF THIS EVENING...ENDING THE THREAT OF BLOWING AND
  DRIFTING SNOW.

* ACCUMULATIONS...A FEW SNOW FLURRIES WILL OCCUR TODAY...BUT NO
  ADDITIONAL SNOW ACCUMULATION IS EXPECTED.

* WIND AND VISIBILITY...WEST TO NORTHWEST WINDS WILL INCREASE TO
  25 TO 30 MPH THIS MORNING. THESE WINDS WILL CONTINUE INTO THE
  AFTERNOON WITH GUSTS OVER 40 MPH LIKELY. THE STRONG WINDS AND
  NEW SNOW COVER WILL RESULT IN BLOWING SNOW WITH VISIBILITIES
  REDUCED TO A HALF MILE OR LESS AT TIMES.



PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITIES
WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE
CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.

&&

$$

IAZ001-012-020-031-NEZ013-014-SDZ070-071-011730-
/O.CAN.KFSD.WW.Y.0023.000000T0000Z-110101T1800Z/
/O.EXA.KFSD.WC.Y.0007.000000T0000Z-110101T1800Z/
LYON-SIOUX-PLYMOUTH-WOODBURY-DIXON-DAKOTA-CLAY-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...LE MARS...SIOUX CITY...
WAKEFIELD...PONCA...ALLEN...SOUTH SIOUX CITY...VERMILLION...
NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON
328 AM CST SAT JAN 1 2011

...WIND CHILL ADVISORY IN EFFECT UNTIL NOON CST TODAY...
...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT UNTIL NOON CST TODAY. THE
WINTER WEATHER ADVISORY HAS BEEN CANCELLED. 

* TIMING...WEST TO NORTHWEST WINDS WILL PRODUCE DANGEROUS WIND
  CHILLS THIS MORNING.

* WIND CHILL VALUES...WIND CHILL VALUES 20 BELOW TO 30 BELOW ZERO
  ARE EXPECTED THROUGH THIS MORNING...WITH WIND CHILLS OF 20 TO 30
  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.


&&

$$

MNZ081-089-011730-
/O.CAN.KFSD.WC.Y.0007.000000T0000Z-110101T1800Z/
/O.EXB.KFSD.WW.Y.0023.000000T0000Z-110102T0000Z/
COTTONWOOD-NOBLES-
INCLUDING THE CITIES OF...WINDOM...MOUNTAIN LAKE...WORTHINGTON
328 AM CST SAT JAN 1 2011

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM CST THIS
EVENING...
...WIND CHILL ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
WEATHER ADVISORY FOR BLOWING SNOW...WHICH IS IN EFFECT UNTIL 6 PM CST
THIS EVENING. THE WIND CHILL ADVISORY HAS BEEN CANCELLED.

* TIMING...STRONG NORTHWEST WINDS WILL PRODUCE WIDESPREAD BLOWING
  SNOW...REDUCING VISIBILITIES IN OPEN AREAS THROUGH THE DAY. WINDS
  WILL BEGIN SLOWLY TO DECREASE THIS AFTERNOON AND THEN QUICKLY
  DROP OFF THIS EVENING...ENDING THE THREAT OF BLOWING AND
  DRIFTING SNOW.

* ACCUMULATIONS...A FEW SNOW FLURRIES WILL OCCUR TODAY...BUT NO
  ADDITIONAL SNOW ACCUMULATION IS EXPECTED.

* WIND AND VISIBILITY...WEST TO NORTHWEST WINDS WILL INCREASE TO
  25 TO 30 MPH THIS MORNING. THESE WINDS WILL CONTINUE INTO THE
  AFTERNOON WITH GUSTS OVER 40 MPH LIKELY. THE STRONG WINDS AND
  NEW SNOW COVER WILL RESULT IN BLOWING SNOW WITH VISIBILITIES
  REDUCED TO A HALF MILE OR LESS AT TIMES.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITIES
WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE
CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.

&&

$$

MNZ071-072-097-SDZ056-011730-
/O.UPG.KFSD.WW.Y.0023.000000T0000Z-110101T1800Z/
/O.EXB.KFSD.BZ.W.0004.000000T0000Z-110102T0000Z/
LINCOLN-LYON-PIPESTONE-MOODY-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...MARSHALL...PIPESTONE...FLANDREAU
328 AM CST SAT JAN 1 2011

...BLIZZARD WARNING IN EFFECT UNTIL 6 PM CST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT UNTIL 6 PM CST THIS EVENING. THE
WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. 

* TIMING...STRONG NORTHWEST WINDS WILL PRODUCE WIDESPREAD BLOWING
  SNOW AND SIGNIFICANTLY REDUCING VISIBILITIES IN OPEN AREAS THROUGH
  THE DAY. WINDS WILL BEGIN SLOWLY TO DECREASE THIS AFTERNOON AND
  THEN QUICKLY DROP OFF THIS EVENING...ENDING THE THREAT OF
  BLOWING AND DRIFTING SNOW.

* ACCUMULATIONS...A FEW SNOW FLURRIES WILL OCCUR TODAY...BUT NO
  ADDITIONAL SNOW ACCUMULATION IS EXPECTED.

* WIND AND VISIBILITY...WEST TO NORTHWEST WINDS WILL INCREASE TO
  25 TO 30 MPH THIS MORNING. THESE WINDS WILL CONTINUE INTO THE
  AFTERNOON WITH GUSTS OVER 40 MPH LIKELY. THE STRONG WINDS AND
  NEW SNOW COVER WILL RESULT IN BLOWING SNOW WITH VISIBILITIES OF
  A QUARTER MILE OR LESS IN OPEN AREAS.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

&&

$$

SDZ038-039-050-052>054-057>059-063-064-011730-
/O.EXT.KFSD.BZ.W.0004.000000T0000Z-110101T2200Z/
BEADLE-KINGSBURY-GREGORY-JERAULD-SANBORN-MINER-BRULE-AURORA-
DAVISON-CHARLES MIX-DOUGLAS-
INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...GREGORY...BURKE...WESSINGTON SPRINGS...ALPENA...
WOONSOCKET...HOWARD...CHAMBERLAIN...KIMBALL...PLANKINTON...
WHITE LAKE...STICKNEY...MITCHELL...WAGNER...PLATTE...LAKE ANDES...
MARTY...ARMOUR...CORSICA...DELMONT
328 AM CST SAT JAN 1 2011

...BLIZZARD WARNING NOW IN EFFECT UNTIL 4 PM CST THIS AFTERNOON...

THE BLIZZARD WARNING IS NOW IN EFFECT UNTIL 4 PM CST THIS
AFTERNOON. 

* TIMING...STRONG NORTHWEST WINDS WILL PRODUCE WIDESPREAD BLOWING
  SNOW AND SIGNIFICANTLY REDUCING VISIBILITIES IN OPEN AREAS THROUGH
  THE DAY. WINDS WILL BEGIN SLOWLY TO DECREASE THIS AFTERNOON AND
  THEN QUICKLY DROP OFF THIS EVENING...ENDING THE THREAT OF
  BLOWING AND DRIFTING SNOW.

* ACCUMULATIONS...A FEW SNOW FLURRIES WILL OCCUR TODAY...BUT NO
  ADDITIONAL SNOW ACCUMULATION IS EXPECTED.

* WIND AND VISIBILITY...WEST TO NORTHWEST WINDS WILL INCREASE TO
  25 TO 30 MPH THIS MORNING. THESE WINDS WILL CONTINUE INTO THE
  AFTERNOON WITH GUSTS OVER 40 MPH LIKELY. THE STRONG WINDS AND
  NEW SNOW COVER WILL RESULT IN BLOWING SNOW WITH VISIBILITIES OF
  A QUARTER MILE OR LESS IN OPEN AREAS.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. IN ADDITION...
WIND CHILLS WILL BE AT DANGEROUS LEVELS. DO NOT TRAVEL. IF YOU
MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...
STAY WITH YOUR VEHICLE.

&&

$$

MNZ080-098-SDZ062-066-067-069-011730-
/O.EXT.KFSD.WW.Y.0023.000000T0000Z-110102T0000Z/
MURRAY-ROCK-MINNEHAHA-TURNER-LINCOLN-YANKTON-
INCLUDING THE CITIES OF...SLAYTON...FULDA...LUVERNE...
SIOUX FALLS...PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...
CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG...YANKTON
328 AM CST SAT JAN 1 2011

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 6 PM CST THIS
EVENING...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 6 PM CST THIS
EVENING. 

* TIMING...STRONG NORTHWEST WINDS WILL PRODUCE WIDESPREAD BLOWING
  SNOW...REDUCING VISIBILITIES IN OPEN AREAS THROUGH THE DAY. WINDS
  WILL BEGIN SLOWLY TO DECREASE THIS AFTERNOON AND THEN QUICKLY
  DROP OFF THIS EVENING...ENDING THE THREAT OF BLOWING AND
  DRIFTING SNOW.

* ACCUMULATIONS...A FEW SNOW FLURRIES WILL OCCUR TODAY...BUT NO
  ADDITIONAL SNOW ACCUMULATION IS EXPECTED.

* WIND AND VISIBILITY...WEST TO NORTHWEST WINDS WILL INCREASE TO
  25 TO 30 MPH THIS MORNING. THESE WINDS WILL CONTINUE INTO THE
  AFTERNOON WITH GUSTS OVER 40 MPH LIKELY. THE STRONG WINDS AND
  NEW SNOW COVER WILL RESULT IN BLOWING SNOW WITH VISIBILITIES
  REDUCED TO A HALF MILE OR LESS AT TIMES.



PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITIES
WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE
CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.

&&

$$

IAZ002-003-013-014-021-022-032-MNZ090-011730-
/O.CON.KFSD.WC.Y.0007.000000T0000Z-110101T1800Z/
OSCEOLA-DICKINSON-OBRIEN-CLAY-CHEROKEE-BUENA VISTA-IDA-JACKSON-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...SPENCER...CHEROKEE...
STORM LAKE...IDA GROVE...HOLSTEIN...BATTLE CREEK...JACKSON...
LAKEFIELD
328 AM CST SAT JAN 1 2011

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

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

* TIMING...WEST TO NORTHWEST WINDS WILL PRODUCE DANGEROUS WIND
  CHILLS THIS MORNING.

* WIND CHILL VALUES...WIND CHILL VALUES 20 BELOW TO 30 BELOW ZERO
  ARE EXPECTED THROUGH THIS MORNING...WITH WIND CHILLS OF 20 TO 30
  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.

&&

$$
97
1 follow-up statement
252 
WWUS43 KFSD 011801
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1201 PM CST SAT JAN 1 2011

.STRONG LOW PRESSURE CENTERED OVER NORTHERN MINNESOTA THIS
MORNING WILL SLOWLY SHIFT EAST INTO THE GREAT LAKES REGION AND
SOUTHERN ONTARIO TODAY. STRONG NORTHWEST WINDS WILL OCCUR ON THE
BACKSIDE OF THIS LOW PRESSURE SYSTEM...WITH 25 TO 35 MPH WINDS
COMMON ALONG AND EAST OF INTERSTATE 29 THIS AFTERNOON. CONDITIONS
WILL CONTINUE TO IMPROVE THIS AFTERNOON WEST OF INTERSTATE 29 AS WINDS
SLOWLY DECREASE. BLOWING SNOW WILL STILL OCCUR ALONG AND EAST OF
INTERSTATE 29 THROUGH THE AFTERNOON WITH THE WORST CONDITIONS
EXPECTED IN THE VICINITY OF THE BUFFALO RIDGE NORTH OF HIGHWAY 23
IN SOUTHWEST MINNESOTA. 

SDZ040-056-012200-
/O.EXP.KFSD.BZ.W.0004.000000T0000Z-110101T1800Z/
/O.CON.KFSD.WW.Y.0023.000000T0000Z-110101T2200Z/
BROOKINGS-MOODY-
INCLUDING THE CITIES OF...BROOKINGS...FLANDREAU
1201 PM CST SAT JAN 1 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM CST THIS
AFTERNOON...
...BLIZZARD WARNING WILL EXPIRE AT NOON CST TODAY...

THE BLIZZARD WARNING WILL EXPIRE AT NOON CST TODAY. A WINTER
WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM CST THIS AFTERNOON.

* TIMING...STRONG NORTHWEST WINDS WILL PRODUCE WIDESPREAD BLOWING
  SNOW THROUGH EARLY AFTERNOON...REDUCING VISIBILITIES IN OPEN
  AREAS. WINDS WILL BEGIN SLOWLY TO DECREASE IN THE MID AFTERNOON AND
  THEN QUICKLY DROP OFF THIS EVENING...ENDING THE THREAT OF
  BLOWING AND DRIFTING SNOW.

* ACCUMULATIONS...NO ADDITIONAL SNOW ACCUMULATION IS EXPECTED.

* WIND AND VISIBILITY...WEST TO NORTHWEST WINDS OF 20 TO 30 MPH
  WITH GUSTS TO 35 MPH ARE EXPECTED THROUGH EARLY AFTERNOON. WINDS
  WILL DECREASE LATE THIS AFTERNOON. THE STRONG WINDS AND NEW SNOW
  COVER WILL RESULT IN BLOWING SNOW WITH VISIBILITIES REDUCED TO A
  HALF MILE OR LESS AT TIMES...ESPECIALLY IN OPEN AREAS OUTSIDE OF
  TOWNS.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITIES
WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE
CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.

&&

$$

SDZ038-039-050-052>055-057>061-063>065-011915-
/O.EXP.KFSD.BZ.W.0004.000000T0000Z-110101T1800Z/
BEADLE-KINGSBURY-GREGORY-JERAULD-SANBORN-MINER-LAKE-BRULE-AURORA-
DAVISON-HANSON-MCCOOK-CHARLES MIX-DOUGLAS-HUTCHINSON-
INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...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
1201 PM CST SAT JAN 1 2011

...BLIZZARD WARNING WILL EXPIRE AT NOON CST TODAY...

THE BLIZZARD WARNING WILL EXPIRE AT NOON CST TODAY. 

* WIND AND VISIBILITY...WINDS WILL CONTINUE TO DECREASE THIS
  AFTERNOON. THIS WILL PRODUCE SOME PATCHY BLOWING SNOW THIS
  AFTERNOON REDUCING VISIBILITY TO LESS THAN A MILE IN OPEN AREAS
  AT TIMES THROUGH THE AFTERNOON. HOWEVER...WIDESPREAD BLOWING
  SNOW IS NOT EXPECTED

$$

SDZ068-069-011915-
/O.EXP.KFSD.WW.Y.0023.000000T0000Z-110101T1800Z/
BON HOMME-YANKTON-
INCLUDING THE CITIES OF...TYNDALL...SCOTLAND...SPRINGFIELD...
AVON...TABOR...YANKTON
1201 PM CST SAT JAN 1 2011

...WINTER WEATHER ADVISORY WILL EXPIRE AT NOON CST TODAY...

THE WINTER WEATHER ADVISORY WILL EXPIRE AT NOON CST TODAY. 

* WIND AND VISIBILITY...WINDS WILL CONTINUE TO DECREASE THIS
  AFTERNOON. THIS WILL PRODUCE SOME PATCHY BLOWING SNOW THIS
  AFTERNOON REDUCING VISIBILITY TO LESS THAN A MILE IN OPEN AREAS
  AT TIMES THROUGH THE AFTERNOON. HOWEVER...WIDESPREAD BLOWING
  SNOW IS NOT EXPECTED


$$

IAZ001>003-012>014-020>022-031-032-MNZ090-NEZ013-014-SDZ070-071-
011915-
/O.EXP.KFSD.WC.Y.0007.000000T0000Z-110101T1800Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-
BUENA VISTA-WOODBURY-IDA-JACKSON-DIXON-DAKOTA-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...JACKSON...LAKEFIELD...
WAKEFIELD...PONCA...ALLEN...SOUTH SIOUX CITY...VERMILLION...
NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON
1201 PM CST SAT JAN 1 2011

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

THE WIND CHILL ADVISORY WILL EXPIRE AT NOON CST TODAY. 

$$

MNZ071-072-097-012200-
/O.CON.KFSD.BZ.W.0004.000000T0000Z-110101T2200Z/
LINCOLN-LYON-PIPESTONE-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...MARSHALL...PIPESTONE
1201 PM CST SAT JAN 1 2011

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 4 PM CST THIS
AFTERNOON...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 4 PM CST THIS
AFTERNOON. 

* TIMING...STRONG NORTHWEST WINDS WILL PRODUCE WIDESPREAD 
  BLOWING SNOW AND SIGNIFICANTLY REDUCING VISIBILITIES IN OPEN 
  AREAS THROUGH THE DAY. WINDS WILL BEGIN SLOWLY TO DECREASE 
  LATE THIS AFTERNOON AND THEN QUICKLY DROP OFF THIS EVENING...
  ENDING THE THREAT OF BLOWING AND DRIFTING SNOW. 

* ACCUMULATIONS...A FEW SNOW FLURRIES WILL OCCUR EARLY THIS 
  AFTERNOON... BUT NO ADDITIONAL SNOW ACCUMULATION IS EXPECTED. 

* WIND AND VISIBILITY...WEST TO NORTHWEST WINDS WILL CONTINUE AT
  25 TO 35 MPH THIS AFTERNOON WITH GUSTS OVER 40 MPH LIKELY. THE
  STRONG WINDS AND NEW SNOW COVER WILL RESULT IN BLOWING SNOW WITH
  VISIBILITIES OF A QUARTER MILE OR LESS IN OPEN AREAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

&&

$$

MNZ080-081-089-098-SDZ062-066-067-012200-
/O.CON.KFSD.WW.Y.0023.000000T0000Z-110101T2200Z/
MURRAY-COTTONWOOD-NOBLES-ROCK-MINNEHAHA-TURNER-LINCOLN-
INCLUDING THE CITIES OF...SLAYTON...FULDA...WINDOM...
MOUNTAIN LAKE...WORTHINGTON...LUVERNE...SIOUX FALLS...PARKER...
CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...
LENNOX...TEA...HARRISBURG
1201 PM CST SAT JAN 1 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM CST THIS
AFTERNOON...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM CST THIS
AFTERNOON. 

* TIMING...STRONG NORTHWEST WINDS WILL PRODUCE AREAS OF BLOWING
  SNOW...REDUCING VISIBILITIES IN OPEN AREAS THROUGH THE DAY.
  WINDS WILL BEGIN SLOWLY TO DECREASE THIS AFTERNOON AND THEN
  QUICKLY DROP OFF THIS EVENING...ENDING THE THREAT OF BLOWING AND
  DRIFTING SNOW.

* ACCUMULATIONS...A FEW SNOW FLURRIES WILL OCCUR THROUGH EARLY
  THIS AFTERNOON IN SOUTHWEST MINNESOTA...BUT NO ADDITIONAL SNOW
  ACCUMULATION IS EXPECTED.

* WIND AND VISIBILITY...WEST TO NORTHWEST WINDS WILL BE 20 TO 30
  MPH THIS AFTERNOON WITH GUSTS TO 40 MPH LIKELY...ESPECIALLY IN
  SOUTHWEST MINNESOTA. THE STRONG WINDS AND NEW SNOW COVER WILL
  RESULT IN BLOWING SNOW WITH VISIBILITIES REDUCED TO A HALF MILE
  OR LESS AT TIMES IN OPEN AREAS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW
AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.

&&

$$

SCHUMACHER

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 31, 3:09 PM CST, 12 hours 19 minutes earlier.

Area forecast discussion, Dec 31, 3:09 PM CST, 12 hours 19 minutes before
AREA FORECAST DISCUSSION FOR SOUTHEAST SD/SOUTHWEST MN/NORTHWEST IA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
309 PM CST FRI DEC 31 2010

.DISCUSSION...
DRY SLOT QUICKLY EXPANDING BACK TO THE WEST SHUTTING DOWN SNOW
PRODUCTION FASTER THAN ANTICIPATED. HAVE CUT BACK FORECASTED SNOW
THIS EVENING AND EVENT SNOW TOTALS. AS SURFACE LOW LIFTS OFF TO THE
NORTHEAST...PRESSURE GRADIENT WILL INCREASE ACROSS THE AREA CREATING
BRISK NORTHWEST WINDS AND BITTERLY COLD WIND CHILLS.  WHERE SLEET
WAS MOST PREVALENT ACROSS THE EASTERN CWA...WENT AHEAD AND ISSUED A
WIND CHILL ADVISORY. FURTHER TO THE WEST WHERE THERE WAS MORE
SIGNIFICANT SNOWFALL ACCUMULATION...ELECTED TO ISSUE A WINTER
WEATHER ADVISORY FOR BOTH BLOWING SNOW AND WIND CHILLS. WHERE
CONTINUED LIGHT SNOWFALL IS EXPECTED THROUGH THE EVENING AND SNOW
TOTALS ARE HIGHER...LEFT WINTER STORM WARNING AND BLIZZARD WARNING
IN EFFECT. HAVE LOWERED FORECAST LOWS TONIGHT WITH BITTERLY COLD AND
DRY AIRMASS UPSTREAM. KEPT READINGS ALONG THE BUFFALO RIDGE SLIGHTLY
WARMER AS HIGHER ELEVATION SHOULD RESULT IN MORE WIND KEEPING THEM
MARGINALLY WARMER.

SYSTEM LIFTS OUT TO THE NORTHEAST QUICKLY SATURDAY WITH ONLY A
LITTLE LIGHT SNOW POSSIBLE IN NORTHWEST PARTS OF THE AREA DURING THE
MORNING. STRONGEST OF WINDS EXPECTED DURING THE MORNING HOWEVER...SO
THREAT OF BLOWING SNOW WILL CONTINUE THROUGH MIDDAY...DIMINISHING IN
THE AFTERNOON...ESPECIALLY WEST...AS GRADIENT BEGINS TO SLACKEN WITH
DEPARTING LOW. WILL KEEP HEADLINES GOING THROUGH NOON...THOUGH
NORTHEAST PARTS OF THE CWA COULD SEE SOME AREAS OF BLOWING SNOW
CONTINUE INTO THE AFTERNOON. COLDEST AIR PARKED OVER THE REGION ON
SATURDAY/SATURDAY NIGHT...SO WILL SEE TEMPS SATURDAY STRUGGLE TO
CLIMB THROUGH THE SINGLE DIGITS ABOVE ZERO DESPITE STRONGLY MIXED
LOWER ATMOSPHERE.

DECREASING WINDS AND PARTIAL CLEARING EXPECTED SATURDAY NIGHT WILL
ALLOW TEMPS TO FALL TO 5 TO 15 BELOW ZERO MOST AREAS...COLDEST OVER
THE JAMES VALLEY WHERE LIGHTEST WINDS/DEEPEST SNOW COVER COINCIDE.
MAY NEED ADDITIONAL WIND CHILL HEADLINES FOR SOME AREAS NORTH OF
I-90 SATURDAY NIGHT...ESPECIALLY SWRN MN WHERE WINDS WILL STAY UP
A BIT LONGER ALONG THE BUFFALO RIDGE...BUT WILL HOLD OFF ON ANY
EXTENSIONS UNTIL SNOW/BLOWING SNOW CONCERNS ARE WINDING DOWN.

LOW LEVEL TEMPS BEGIN TO WARM SUNDAY...BUT WITH LIGHT WINDS AND
INCREASING CLOUDS AHEAD OF NEXT SHORTWAVE...WILL BE TOUGH TO FULLY
RECOVER AND WILL ONLY WARM MOST AREAS A FEW DEGREES OVER SATURDAY
READINGS.

NORTHWEST FLOW PATTERN PERSISTS THROUGH NEXT WEEK WITH UPPER LOW
CONTINUING TO DUMBBELL AROUND EASTERN CANADA/HUDSON BAY AND UPPER
RIDGE WORKING EAST THROUGH THE PACIFIC NORTHWEST. COUPLE OF WEAK
WAVES DROPPING ACROSS THE UPPER MIDWEST THROUGH THE PERIOD. FIRST
HAS DECENT TIMING AGREEMENT AMONGST MODELS TARGETING MONDAY/MONDAY
NIGHT...THOUGH MOISTURE PRETTY LIMITED AND MAIN ENERGY APPEARS TO
SLIDE NORTHEAST OF THE AREA. THUS WILL KEEP POPS IN JUST SLIGHT
CHANCE RANGE FOR NOW ACROSS THE NORTH/NORTHEAST PARTS OF THE CWA
WITH FLURRIES ELSEWHERE.

BROAD CYCLONIC FLOW PERSISTS THROUGH MIDWEEK SO WILL STICK WITH SKY
COVER IN HIGHER END OF PARTLY CLOUDY RANGE. LATE NEXT WEEK...GFS/GEM
PUSH BACKDOOR COLD FRONT THROUGH THE AREA THURSDAY...WITH 00Z ECMWF
ABOUT 24 HOURS SLOWER...AND ALSO MUCH WARMER AHEAD OF THE BOUNDARY
THAN GFS/GEM ARE INDICATING. HEDGING TOWARD FASTER SOLUTION FOR
NOW...BUT WITH UNCERTAINTY IN TIMING WILL NOT GO QUITE AS COLD AS
GFS WOULD SUGGEST...AND WILL ALSO LEAVE LATE WEEK PERIOD DRY FOR NOW
AS MOISTURE STILL PRETTY SPARSE IN THIS FAST NORTHWEST FLOW.

&&

.AVIATION...
SURFACE LOW PRESSURE OVER SOUTHERN MINNESOTA WILL LIFT NORTH
THROUGHOUT THE EVENING AND OVERNIGHT HOURS. AS THE CENTER OF LOW
PRESSURE MOVES AWAY FROM THE REGION...THE PRESSURE GRADIENT WILL
TIGHTEN RESULTING IN INCREASING WEST TO NORTHWEST WINDS ACROSS THE
REGION. THE INCREASED WINDS MAY RESULT IN SOME REDUCED VISIBILITIES
IN BLOWING SNOW...ESPECIALLY AT THE KHON TERMINAL. BLOWING SNOW WILL
CONTINUE THROUGHOUT THE DAY ON SATURDAY...BEFORE TAPERING OFF AS
WINDS DECREASE FROM WEST TO EAST. CEILINGS WILL IMPROVE FROM IFR
WITHIN THE BAND OF SNOW TO MVFR...TO LOW END VFR WHERE THEY WILL
REMAIN THROUGH MID-DAY SATURDAY.  THEREAFTER...SKIES WILL BEGIN TO
CLEAR LEADING TO A VERY COLD NIGHT ACROSS THE REGION SATURDAY
NIGHT.

&&

.FSD WATCHES/WARNINGS/ADVISORIES...
IA...WINTER WEATHER ADVISORY UNTIL NOON CST SATURDAY FOR IAZ001-012-
     020-031.

     WIND CHILL ADVISORY FROM 9 PM THIS EVENING TO NOON CST SATURDAY
     FOR IAZ002-003-013-014-021-022-032.

MN...WINTER WEATHER ADVISORY UNTIL NOON CST SATURDAY FOR MNZ071-072-
     080-097-098.

     WIND CHILL ADVISORY FROM 9 PM THIS EVENING TO NOON CST SATURDAY
     FOR MNZ081-089-090.

NE...WINTER WEATHER ADVISORY UNTIL NOON CST SATURDAY FOR NEZ013-014.

SD...WINTER WEATHER ADVISORY UNTIL NOON CST SATURDAY FOR SDZ056-062-
     066-067-069>071.

     WINTER STORM WARNING UNTIL NOON CST SATURDAY FOR SDZ040-055-060-
     061-065-068.

     BLIZZARD WARNING UNTIL NOON CST SATURDAY FOR SDZ038-039-050-
     052>054-057>059-063-064.

&&

 BT/JH
Hazardous weather outlook, Dec 31, 4:37 PM CST, 10 hours 51 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE SIOUX FALLS SD
437 PM CST FRI DEC 31 2010

SDZ038>040-050-052>071-MNZ071-072-080-081-089-090-097-098-
IAZ001>003-012>014-020>022-031-032-NEZ013-014-011200-
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-
437 PM CST FRI DEC 31 2010

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 CONTINUE TO DECREASE TONIGHT...WITH ADDITIONAL
ACCUMULATIONS OF LESS THAN AN INCH. INCREASING WEST TO NORTHWEST
WINDS WILL CAUSE BLOWING OF THE FRESH SNOW COVER TONIGHT INTO NEW
YEARS DAY...ALONG WITH DANGEROUS WIND CHILLS. THE BLOWING SNOW
WILL VARY ACCORDING TO HOW MUCH NEW SNOW FELL. BLIZZARD
CONDITIONS WITH WIDESPREAD VISIBILITIES OF A QUARTER MILE OR LESS
ARE EXPECTED ALONG AND WEST OF A DE SMET TO MITCHELL TO PICKSTOWN
SOUTH DAKOTA LINE. THE REDUCED VISIBILITIES WILL BE LESS
WIDESPREAD EAST OF THIS AREA. LITTLE OR NO VISIBILITY REDUCTION
IS EXPECTED IN THE LIGHT SNOWFALL AREAS OF SOUTHWEST MINNESOTA
AND NORTHWEST IOWA...MAINLY THE PLACES THAT ARE NOT ADJACENT TO
SOUTH DAKOTA. THE WINDS CHILLS WILL DROP TO 20 BELOW TO 35 BELOW
ZERO OVER THE AREA TONIGHT.

WIND AND FOG...
WEST TO NORTHWEST WINDS WILL INCREASE FROM THE WEST TONIGHT TO 20
TO 35 MPH.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

DANGEROUS WIND CHILLS OF 20 BELOW TO 35 BELOW ZERO WILL CONTINUE
THROUGH NEW YEARS MORNING...THEN SLOWLY ABATE LATER IN THE DAY.

.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.

WILLIAMS

The office that day

Everything else NWS Sioux Falls, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 1, 3:28 AM CSTBlizzard WarningFSDBrookings, Hanson, Hutchinson, Lake, McCook, Moody13 hr
Jan 1, 3:28 AM CSTWinter Weather AdvisoryFSDBon Homme13 hr

Nearby

Wind Chill Advisories in Iowa, 2011Wind Chill Advisories in Nebraska, 2011Wind Chill Advisories in South Dakota, 2011Every wind chill advisory in 2011

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.