Alert archive / South Dakota / Wind Chill Advisories in 2009

Wind Chill Advisory 7, NWS Sioux Falls, SD

March 10, 20098 counties in Minnesota; 23 counties in South Dakota; 6 counties in Iowa

NWS Sioux Falls, SD issued this wind chill advisory at Mar 10, 2009, 2:51 PM CDT for 8 counties in Minnesota; 23 counties in South Dakota; 6 counties in Iowa. It took effect at Mar 11, 2009, 12:00 AM CDT. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Mar 10, 2009, 2:51 PM CDT (19:51 UTC)
In effect from
Mar 11, 2009, 12:00 AM CDT
Expired
Mar 11, 2009, 12:00 PM CDT
In force
12 hr
Issued by
NWS Sioux Falls, SD
All 37 counties

Clay County, IA, Dickinson County, IA, Lyon County, IA, O'Brien County, IA, Osceola County, IA, Sioux 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, 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, Yankton County, SD

The radar

The Sioux Falls radar (KFSD), 23 km from the middle of the area, began a volume at 19:55 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 12:00Z, 7.9 hours before the alert went out and 178 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 12:00Z on 2009-03-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLEL10008507005003002001001 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 12:00Z on 2009-03-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 300 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
1 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
544 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
300 m²/s²
0-3 km storm-relative helicity
635 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 101951
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
251 PM CDT TUE MAR 10 2009

.A SHORT LIVED BAND OF MODERATE SNOW WILL MOVE ACROSS INTERSTATE
29 BEFORE 330 PM CDT...THE INTO NORTHWEST IOWA AND SOUTHWEST
MINNESOTA. MOST OF THIS SNOW WILL BE EAST OF THE AREA BY 700 PM
CDT...WITH A CHANCE FOR A LITTLE MORE ACCUMULATION ACROSS
SOUTHWEST MINNESOTA THROUGH ABOUT 900 PM CDT. SNOWFALL TOTALS OF 2
TO 3 INCHES ARE EXPECTED FROM HURON TO DE SMET TO MARSHALL...WITH
AN INCH OR LESS SOUTH OF THIS LINE. WITH NORTHWEST WINDS OF 20 TO
35 MPH...SOME BLOWING SNOW WILL REMAIN POSSIBLE INTO THE EVENING
HOURS. AFTER THIS...COLD AIR WILL CONTINUE TO FILTER IN AND CREATE
WIND CHILL READINGS OF 20 TO 30 BELOW ZERO.

SDZ038-039-052>055-110400-
/O.NEW.KFSD.WC.Y.0007.090311T0300Z-090311T1700Z/
/O.CON.KFSD.WW.Y.0015.000000T0000Z-090311T0300Z/
BEADLE-KINGSBURY-JERAULD-SANBORN-MINER-LAKE-
INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...WESSINGTON SPRINGS...ALPENA...WOONSOCKET...
HOWARD...MADISON
251 PM CDT TUE MAR 10 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THIS
EVENING...
...WIND CHILL ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO NOON
CDT WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO
NOON CDT WEDNESDAY. A WINTER WEATHER ADVISORY REMAINS IN EFFECT
UNTIL 10 PM CDT THIS EVENING. 

PATCHY FLURRIES AND LIGHT SNOW WILL COMBINE WITH STRONG NORTHWEST
WINDS TO CREATE REDUCED VISIBILITIES IN BLOWING SNOW. THIS SHOULD
CONTINUE THROUGH ABOUT 1000 PM CDT...THEN WIND CHILL VALUES WILL
PLUMMET TO 20 TO 30 BELOW ZERO THROUGH SUNDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS.

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.

&&

$$

MNZ071-072-080-081-097-SDZ040-056-110400-
/O.NEW.KFSD.WC.Y.0007.090311T0600Z-090311T1700Z/
/O.CON.KFSD.WW.Y.0015.000000T0000Z-090311T0600Z/
LINCOLN-LYON-MURRAY-COTTONWOOD-PIPESTONE-BROOKINGS-MOODY-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...
PIPESTONE...BROOKINGS...FLANDREAU
251 PM CDT TUE MAR 10 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT
WEDNESDAY...
...WIND CHILL ADVISORY IN EFFECT FROM 1 AM TO NOON CDT
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT FROM 1 AM TO NOON CDT
WEDNESDAY. A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM
CDT WEDNESDAY. 

PERIODS OF SNOW WILL CONTINUE THROUGH THIS AFTERNOON...DECREASING
IN COVERAGE EARLY THIS EVENING. TOTAL SNOW ACCUMULATIONS WILL
RANGE FROM 1 TO 3 INCHES... WITH THE HIGHEST AMOUNTS EXPECTED
NEAR AND NORTH OF HIGHWAY 14. NORTHERLY WINDS WILL INCREASE TO A
GUSTY 25 TO 35 MPH THIS AFTERNOON AND EVENING...CREATING
WIDESPREAD BLOWING SNOW WITH VISIBILITIES AS LOW AS A HALF MILE
AT TIMES. WIND CHILLS BY THIS EVENING WILL DIP TO 10 BELOW TO 20
TO 30 BELOW ZERO AND CONTINUE THROUGH SUNDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS.

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-MNZ089-090-098-SDZ062-067-110400-
/O.NEW.KFSD.WC.Y.0007.090311T0600Z-090311T1700Z/
LYON-OSCEOLA-DICKINSON-SIOUX-NOBLES-JACKSON-ROCK-MINNEHAHA-
LINCOLN-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...WORTHINGTON...JACKSON...LAKEFIELD...
LUVERNE...SIOUX FALLS...CANTON...LENNOX...TEA...HARRISBURG
251 PM CDT TUE MAR 10 2009

...WIND CHILL ADVISORY IN EFFECT FROM 1 AM TO NOON CDT
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT FROM 1 AM TO NOON CDT
WEDNESDAY. 

COLD AIR WILL CONTINUE TO FILTER SOUTH ON A STRONG NORTHWEST
WIND...CREATING WIND CHILL VALUES OF 20 TO 25 BELOW ZERO. THE
COLDEST WIND CHILL VALUES WILL BE FROM ABOUT 400 AM CDT THROUGH
900 AM CDT.

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.

&&

$$

SDZ050-057>061-063>066-068>070-110400-
/O.NEW.KFSD.WC.Y.0007.090311T0600Z-090311T1500Z/
GREGORY-BRULE-AURORA-DAVISON-HANSON-MCCOOK-CHARLES MIX-DOUGLAS-
HUTCHINSON-TURNER-BON HOMME-YANKTON-CLAY-
INCLUDING THE CITIES OF...GREGORY...BURKE...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...PARKER...
CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...TYNDALL...
SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON...VERMILLION
251 PM CDT TUE MAR 10 2009

...WIND CHILL ADVISORY IN EFFECT FROM 1 AM TO 10 AM CDT
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT FROM 1 AM TO 10 AM CDT
WEDNESDAY. 

COLD AIR WILL CONTINUE TO FILTER SOUTH ON A STRONG NORTHWEST
WIND...CREATING WIND CHILL VALUES OF 20 TO 25 BELOW ZERO. THE
COLDEST WIND CHILL VALUES WILL BE FROM ABOUT 400 AM CDT THROUGH
900 AM CDT.

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 110122
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
822 PM CDT TUE MAR 10 2009

.STRONG NORTHWEST WINDS OF 25 TO 40 MPH WILL BRING BLOWING SNOW
TO OPEN AREAS FROM EAST CENTRAL SOUTH DAKOTA THROUGH MUCH OF
SOUTHWEST MINNESOTA TONIGHT...WITH VISIBILITIES DOWN TO NEAR ZERO
AT TIMES. OTHERWISE...MUCH COLDER AIR COMBINED WITH THE STRONG
WINDS WILL CAUSE DANGEROUS WIND CHILLS OF 20 BELOW TO 30 BELOW
ZERO LATER TONIGHT INTO WEDNESDAY MORNING.

IAZ002-003-MNZ089-090-110930-
/O.EXB.KFSD.WW.Y.0015.000000T0000Z-090311T0800Z/
/O.EXT.KFSD.WC.Y.0007.090311T0800Z-090311T1700Z/
OSCEOLA-DICKINSON-NOBLES-JACKSON-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...WORTHINGTON...JACKSON...LAKEFIELD
822 PM CDT TUE MAR 10 2009

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 3 AM CDT WEDNESDAY...
...WIND CHILL ADVISORY NOW IN EFFECT FROM 3 AM TO NOON CDT
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
WEATHER ADVISORY FOR BLOWING SNOW...WHICH IS IN EFFECT UNTIL 3 AM
CDT WEDNESDAY. THE WIND CHILL ADVISORY IS NOW IN EFFECT FROM 3 AM
TO NOON CDT WEDNESDAY.

STRONG NORTHWEST WINDS OF 25 TO 40 MPH WILL CAUSE BLOWING SNOW
TONIGHT...REDUCING VISIBILITIES TO NEAR ZERO IN SOME OPEN AREAS.
WIND CHILLS SHOULD DROP TO 20 TO 30 BELOW ZERO. THE COLDEST WIND
CHILL VALUES WILL BE FROM ABOUT 400 AM CDT THROUGH 900 AM CDT.

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.

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.

&&

$$

SDZ038-039-052>055-110930-
/O.EXT.KFSD.WW.Y.0015.000000T0000Z-090311T0500Z/
/O.EXT.KFSD.WC.Y.0007.090311T0500Z-090311T1700Z/
BEADLE-KINGSBURY-JERAULD-SANBORN-MINER-LAKE-
INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...WESSINGTON SPRINGS...ALPENA...WOONSOCKET...
HOWARD...MADISON
822 PM CDT TUE MAR 10 2009

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL MIDNIGHT CDT
TONIGHT...
...WIND CHILL ADVISORY NOW IN EFFECT FROM MIDNIGHT TONIGHT TO
NOON CDT WEDNESDAY...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL MIDNIGHT CDT
TONIGHT. THE WIND CHILL ADVISORY IS NOW IN EFFECT FROM MIDNIGHT
TONIGHT TO NOON CDT WEDNESDAY. 

STRONG NORTHWEST WINDS OF 25 TO 40 MPH WILL CAUSE BLOWING SNOW
THROUGH THE EVENING...REDUCING VISIBILITIES TO NEAR ZERO IN SOME
OPEN AREAS. WIND CHILL VALUES WILL PLUMMET TO 20 TO 30 BELOW ZERO
TONIGHT THROUGH SUNDAY MORNING.

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.

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.

&&

$$

MNZ071-072-080-081-097-SDZ040-056-110930-
/O.EXT.KFSD.WW.Y.0015.000000T0000Z-090311T0800Z/
/O.EXT.KFSD.WC.Y.0007.090311T0800Z-090311T1700Z/
LINCOLN-LYON-MURRAY-COTTONWOOD-PIPESTONE-BROOKINGS-MOODY-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...
PIPESTONE...BROOKINGS...FLANDREAU
822 PM CDT TUE MAR 10 2009

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 3 AM CDT
WEDNESDAY...
...WIND CHILL ADVISORY NOW IN EFFECT FROM 3 AM TO NOON CDT
WEDNESDAY...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 3 AM CDT
WEDNESDAY. THE WIND CHILL ADVISORY IS NOW IN EFFECT FROM 3 AM TO
NOON CDT WEDNESDAY. 

STRONG NORTHWEST WINDS OF 25 TO 40 MPH WILL CAUSE BLOWING SNOW
TONIGHT...REDUCING VISIBILITIES TO NEAR ZERO IN OPEN AREAS. WIND
CHILL VALUES WILL PLUMMET TO 20 TO 30 BELOW ZERO THROUGH SUNDAY
MORNING.

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.

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.

&&

$$

IAZ001-012-MNZ098-SDZ062-067-110930-
/O.CON.KFSD.WC.Y.0007.090311T0600Z-090311T1700Z/
LYON-SIOUX-ROCK-MINNEHAHA-LINCOLN-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...LUVERNE...SIOUX FALLS...
CANTON...LENNOX...TEA...HARRISBURG
822 PM CDT TUE MAR 10 2009

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 1 AM TO NOON CDT
WEDNESDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT FROM 1 AM TO NOON CDT
WEDNESDAY. 

COLD AIR WILL CONTINUE TO FILTER SOUTH ON A STRONG NORTHWEST
WIND...CREATING WIND CHILL VALUES OF 20 TO 25 BELOW ZERO. THE
COLDEST WIND CHILL VALUES WILL BE FROM ABOUT 400 AM CDT THROUGH
900 AM CDT.

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.

&&

$$

SDZ050-057>061-063>066-068>070-110930-
/O.CON.KFSD.WC.Y.0007.090311T0600Z-090311T1500Z/
GREGORY-BRULE-AURORA-DAVISON-HANSON-MCCOOK-CHARLES MIX-DOUGLAS-
HUTCHINSON-TURNER-BON HOMME-YANKTON-CLAY-
INCLUDING THE CITIES OF...GREGORY...BURKE...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...PARKER...
CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...TYNDALL...
SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON...VERMILLION
822 PM CDT TUE MAR 10 2009

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 1 AM TO 10 AM CDT
WEDNESDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT FROM 1 AM TO 10 AM CDT
WEDNESDAY. 

COLD AIR WILL CONTINUE TO FILTER SOUTH ON A STRONG NORTHWEST
WIND...CREATING WIND CHILL VALUES OF 20 TO 25 BELOW ZERO. THE
COLDEST WIND CHILL VALUES WILL BE FROM ABOUT 400 AM CDT THROUGH
900 AM CDT.

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.

&&

$$
RSR
000 
WWUS43 KFSD 110457
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1157 PM CDT TUE MAR 10 2009

.STRONG NORTHWEST WINDS WILL CONTINUE TO VERY SLOWLY DECREASE FROM
THE WEST TONIGHT. THIS WILL ALLOW BLOWING SNOW AND LOW
VISIBILITIES TO SLOWLY ABATE. HOWEVER...LOCAL VISIBILITIES OF LESS
THAN A QUARTER MILE WILL CONTINUE FOR A FEW HOURS AFTER MIDNIGHT
FROM SOUTHWEST MINNESOTA INTO THE GREAT LAKES AREA OF NORTHWEST
IOWA. COLDER TEMPERATURES COMBINED WITH THE REMAINING WINDS WILL
CAUSE DANGEROUS WIND CHILLS OF 20 BELOW TO 30 BELOW ZERO TONIGHT
INTO WEDNESDAY MORNING.

SDZ038-039-052>055-111300-
/O.EXP.KFSD.WW.Y.0015.000000T0000Z-090311T0500Z/
/O.CON.KFSD.WC.Y.0007.090311T0500Z-090311T1700Z/
BEADLE-KINGSBURY-JERAULD-SANBORN-MINER-LAKE-
INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...WESSINGTON SPRINGS...ALPENA...WOONSOCKET...
HOWARD...MADISON
1157 PM CDT TUE MAR 10 2009

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CDT
WEDNESDAY...
...WINTER WEATHER ADVISORY WILL EXPIRE AT MIDNIGHT CDT TONIGHT...

THE WINTER WEATHER ADVISORY WILL EXPIRE AT MIDNIGHT CDT TONIGHT.
A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CDT WEDNESDAY.

NORTHWEST WINDS WILL CONTINUE TO DECREASE VERY SLOWLY...AND
BLOWING SNOW WILL CONTINUE TO ABATE. HOWEVER...THE REMAINING WIND
WILL COMBINE WITH THE COLDER TEMPERATURES TO CAUSE WIND CHILL
READINGS OF 20 TO 30 BELOW ZERO INTO SUNDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY IS ISSUED WHEN STRONG WINDS 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.

&&

$$

MNZ071-072-080-081-097-SDZ040-056-111300-
/O.CON.KFSD.WW.Y.0015.000000T0000Z-090311T0800Z/
/O.CON.KFSD.WC.Y.0007.090311T0800Z-090311T1700Z/
LINCOLN-LYON-MURRAY-COTTONWOOD-PIPESTONE-BROOKINGS-MOODY-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...
PIPESTONE...BROOKINGS...FLANDREAU
1157 PM CDT TUE MAR 10 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 AM CDT
WEDNESDAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 3 AM TO NOON CDT
WEDNESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 AM CDT
WEDNESDAY. A WIND CHILL ADVISORY REMAINS IN EFFECT FROM 3 AM TO
NOON CDT WEDNESDAY. 

STRONG NORTHWEST WINDS OF 25 TO 40 MPH WILL CAUSE BLOWING SNOW
TONIGHT...REDUCING VISIBILITIES TO NEAR ZERO IN OPEN AREAS. WIND
CHILL VALUES WILL PLUMMET TO 20 TO 30 BELOW ZERO THROUGH SUNDAY
MORNING.

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.

A WIND CHILL ADVISORY IS ISSUED WHEN STRONG WINDS 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.

&&

$$

IAZ002-003-MNZ089-090-111300-
/O.CON.KFSD.WW.Y.0015.000000T0000Z-090311T0800Z/
/O.CON.KFSD.WC.Y.0007.090311T0800Z-090311T1700Z/
OSCEOLA-DICKINSON-NOBLES-JACKSON-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...WORTHINGTON...JACKSON...LAKEFIELD
1157 PM CDT TUE MAR 10 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 AM CDT
WEDNESDAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 3 AM TO NOON CDT
WEDNESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 AM CDT
WEDNESDAY. A WIND CHILL ADVISORY REMAINS IN EFFECT FROM 3 AM TO
NOON CDT WEDNESDAY. 

STRONG NORTHWEST WINDS OF 25 TO 40 MPH WILL CAUSE BLOWING SNOW
TONIGHT...REDUCING VISIBILITIES TO NEAR ZERO IN SOME OPEN AREAS.
WIND CHILLS SHOULD DROP TO 20 TO 30 BELOW ZERO. THE COLDEST WIND
CHILL VALUES WILL BE FROM ABOUT 400 AM CDT THROUGH 900 AM CDT.

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.

A WIND CHILL ADVISORY IS ISSUED WHEN STRONG WINDS 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.

&&

$$

IAZ001-012-MNZ098-SDZ062-067-111300-
/O.CON.KFSD.WC.Y.0007.090311T0600Z-090311T1700Z/
LYON-SIOUX-ROCK-MINNEHAHA-LINCOLN-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...LUVERNE...SIOUX FALLS...
CANTON...LENNOX...TEA...HARRISBURG
1157 PM CDT TUE MAR 10 2009

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CDT
WEDNESDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CDT WEDNESDAY.

COLD AIR WILL CONTINUE TO FILTER SOUTH ON STRONG NORTHWEST
WINDS...CREATING WIND CHILL VALUES OF 20 TO 25 BELOW ZERO. THE
COLDEST WIND CHILL VALUES WILL BE FROM ABOUT 400 AM CDT THROUGH
900 AM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY IS ISSUED WHEN STRONG WINDS 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.

&&

$$

SDZ050-057>061-063>066-068>070-111300-
/O.CON.KFSD.WC.Y.0007.090311T0600Z-090311T1500Z/
GREGORY-BRULE-AURORA-DAVISON-HANSON-MCCOOK-CHARLES MIX-DOUGLAS-
HUTCHINSON-TURNER-BON HOMME-YANKTON-CLAY-
INCLUDING THE CITIES OF...GREGORY...BURKE...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...PARKER...
CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...TYNDALL...
SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON...VERMILLION
1157 PM CDT TUE MAR 10 2009

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT
WEDNESDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT
WEDNESDAY. 

COLD AIR WILL CONTINUE TO FILTER SOUTH ON STRONG NORTHWEST
WINDS...CREATING WIND CHILL VALUES OF 20 TO 25 BELOW ZERO. THE
COLDEST WIND CHILL VALUES WILL BE FROM ABOUT 400 AM CDT THROUGH
900 AM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY IS ISSUED WHEN STRONG WINDS 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.

&&

$$
WILLIAMS
000 
WWUS43 KFSD 110800
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
300 AM CDT WED MAR 11 2009

.STRONG NORTHWEST WINDS WILL CONTINUE TO VERY SLOWLY DECREASE
FROM THE WEST THIS MORNING. BLOWING SNOW WITH ACCOMPANYING LOW
VISIBILITIES HAD DECREASED DURING TUESDAY NIGHT...BUT COLDER
TEMPERATURES COMBINED WITH THE REMAINING WINDS WILL CONTINUE TO
CAUSE DANGEROUS WIND CHILLS OF 20 BELOW TO 30 BELOW ZERO THROUGH
THE MORNING HOURS.

MNZ071-072-080-081-097-SDZ040-056-111600-
/O.EXP.KFSD.WW.Y.0015.000000T0000Z-090311T0800Z/
/O.CON.KFSD.WC.Y.0007.000000T0000Z-090311T1700Z/
LINCOLN-LYON-MURRAY-COTTONWOOD-PIPESTONE-BROOKINGS-MOODY-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...
PIPESTONE...BROOKINGS...FLANDREAU
300 AM CDT WED MAR 11 2009

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CDT TODAY...
...WINTER WEATHER ADVISORY WILL EXPIRE AT 3 AM CDT EARLY THIS
MORNING...

THE WINTER WEATHER ADVISORY WILL EXPIRE AT 3 AM CDT EARLY THIS
MORNING. A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CDT
TODAY. 

NORTHWEST WINDS 20 TO 35 MPH WILL CONTINUE TO SLOWLY DECREASE THIS
MORNING. LOCALIZED AREAS OF BLOWING SNOW IN SOUTHWEST MINNESOTA
WILL CONTINUE TO DECREASE THROUGH DAYBREAK...BUT WIND CHILL VALUES
OF 20 TO 30 BELOW ZERO WILL CONTINUE THROUGH THIS MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY IS ISSUED WHEN STRONG WINDS 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.

&&

$$

IAZ002-003-MNZ089-090-111600-
/O.EXP.KFSD.WW.Y.0015.000000T0000Z-090311T0800Z/
/O.CON.KFSD.WC.Y.0007.000000T0000Z-090311T1700Z/
OSCEOLA-DICKINSON-NOBLES-JACKSON-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...WORTHINGTON...JACKSON...LAKEFIELD
300 AM CDT WED MAR 11 2009

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CDT TODAY...
...WINTER WEATHER ADVISORY WILL EXPIRE AT 3 AM CDT EARLY THIS
MORNING...

THE WINTER WEATHER ADVISORY WILL EXPIRE AT 3 AM CDT EARLY THIS
MORNING. A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CDT
TODAY. 

NORTHWEST WINDS 20 TO 35 MPH WILL CONTINUE TO SLOWLY DECREASE THIS
MORNING. LOCALIZED AREAS OF BLOWING SNOW WILL CONTINUE TO
DECREASE THROUGH DAYBREAK...BUT WIND CHILL VALUES OF 20 TO 30
BELOW ZERO WILL CONTINUE THROUGH THIS MORNING.

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.

&&

$$

IAZ013-014-111600-
/O.EXA.KFSD.WC.Y.0007.000000T0000Z-090311T1700Z/
OBRIEN-CLAY-
INCLUDING THE CITIES OF...SHELDON...HARTLEY...SANBORN...SPENCER
300 AM CDT WED MAR 11 2009

...WIND CHILL ADVISORY IN EFFECT UNTIL NOON CDT TODAY...

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

COLD TEMPERATURES COMBINED WITH SLOWLY DECREASING NORTHWEST
WINDS WILL CREATE WIND CHILL VALUES OF 20 TO 25 BELOW ZERO THROUGH
THIS MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY IS ISSUED WHEN STRONG WINDS 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.

&&

$$

IAZ001-012-MNZ098-SDZ062-067-111600-
/O.CON.KFSD.WC.Y.0007.000000T0000Z-090311T1700Z/
LYON-SIOUX-ROCK-MINNEHAHA-LINCOLN-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...LUVERNE...SIOUX FALLS...
CANTON...LENNOX...TEA...HARRISBURG
300 AM CDT WED MAR 11 2009

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

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

COLD AIR AND SLOWLY DECREASING NORTHWEST WINDS WILL CONTINUE TO
CREATE WIND CHILL VALUES OF 20 TO 30 BELOW ZERO THROUGH THIS MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY IS ISSUED WHEN STRONG WINDS 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.

&&

$$

SDZ050-057>061-063>066-068>070-111500-
/O.CON.KFSD.WC.Y.0007.000000T0000Z-090311T1500Z/
GREGORY-BRULE-AURORA-DAVISON-HANSON-MCCOOK-CHARLES MIX-DOUGLAS-
HUTCHINSON-TURNER-BON HOMME-YANKTON-CLAY-
INCLUDING THE CITIES OF...GREGORY...BURKE...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...PARKER...
CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...TYNDALL...
SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON...VERMILLION
300 AM CDT WED MAR 11 2009

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

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

COLD AIR AND SLOWLY DECREASING NORTHWEST WINDS WILL CONTINUE TO
CREATE WIND CHILL VALUES OF 20 TO 30 BELOW ZERO THROUGH MID MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY IS ISSUED WHEN STRONG WINDS 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.

&&

$$

SDZ038-039-052>055-111600-
/O.CON.KFSD.WC.Y.0007.000000T0000Z-090311T1700Z/
BEADLE-KINGSBURY-JERAULD-SANBORN-MINER-LAKE-
INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...WESSINGTON SPRINGS...ALPENA...WOONSOCKET...
HOWARD...MADISON
300 AM CDT WED MAR 11 2009

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

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

COLD AIR AND SLOWLY DECREASING NORTHWEST WINDS WILL CONTINUE TO
CREATE WIND CHILL VALUES OF 20 TO 30 BELOW ZERO THROUGH THIS MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY IS ISSUED WHEN STRONG WINDS 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.

&&

$$
WILLIAMS
000 
WWUS43 KFSD 111457
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
957 AM CDT WED MAR 11 2009

.STRONG NORTHWEST WINDS WILL CONTINUE TO VERY SLOWLY DECREASE
FROM THE WEST THIS MORNING. COLD TEMPERATURES COMBINED WITH THE
WINDS WILL CONTINUE TO CAUSE DANGEROUS WIND CHILLS OF 20 BELOW TO
30 BELOW ZERO THROUGH THE MORNING HOURS.

SDZ050-057>061-063>066-068>070-111600-
/O.EXP.KFSD.WC.Y.0007.000000T0000Z-090311T1500Z/
GREGORY-BRULE-AURORA-DAVISON-HANSON-MCCOOK-CHARLES MIX-DOUGLAS-
HUTCHINSON-TURNER-BON HOMME-YANKTON-CLAY-
INCLUDING THE CITIES OF...GREGORY...BURKE...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...PARKER...
CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...TYNDALL...
SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON...VERMILLION
957 AM CDT WED MAR 11 2009

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

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

TEMPERATURES WILL CONTINUE TO SLOWLY RISE INTO THE TEENS BY
AFTERNOON. THIS WILL ALLOW THE WIND CHILLS VALUES TO IMPROVE. 



$$

IAZ001-012>014-MNZ098-SDZ038-039-052>055-062-067-111700-
/O.CON.KFSD.WC.Y.0007.000000T0000Z-090311T1700Z/
LYON-SIOUX-OBRIEN-CLAY-ROCK-BEADLE-KINGSBURY-JERAULD-SANBORN-
MINER-LAKE-MINNEHAHA-LINCOLN-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...
SANBORN...SPENCER...LUVERNE...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...WESSINGTON SPRINGS...ALPENA...WOONSOCKET...
HOWARD...MADISON...SIOUX FALLS...CANTON...LENNOX...TEA...
HARRISBURG
957 AM CDT WED MAR 11 2009

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

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

COLD AIR AND SLOWLY DECREASING NORTHWEST WINDS WILL CONTINUE TO
CREATE WIND CHILL VALUES OF 20 TO 30 BELOW ZERO THROUGH THIS
MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY IS ISSUED WHEN STRONG WINDS 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.

&&

$$

IAZ002-003-MNZ071-072-080-081-089-090-097-SDZ040-056-111700-
/O.CON.KFSD.WC.Y.0007.000000T0000Z-090311T1700Z/
OSCEOLA-DICKINSON-LINCOLN-LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON-
PIPESTONE-BROOKINGS-MOODY-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...
MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...
WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE...BROOKINGS...
FLANDREAU
957 AM CDT WED MAR 11 2009

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

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

NORTHWEST WINDS 20 TO 30 MPH WILL CONTINUE TO SLOWLY DECREASE
THIS MORNING. WIND CHILLS VALUES OF 20 TO 30 BELOW ZERO WILL
CONTINUE THROUGH THIS MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY IS ISSUED WHEN STRONG WINDS 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 111658
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1158 AM CDT WED MAR 11 2009

.WINDS WILL CONTINUE TO SLOWLY DECREASE THE REST OF THE DAY AND
TEMPERATURES WILL SLOWLY RISE INTO THE SINGLE DIGITS AND LOWER
TEENS.

IAZ001-012>014-MNZ098-SDZ038-039-052>055-062-067-111800-
/O.EXP.KFSD.WC.Y.0007.000000T0000Z-090311T1700Z/
LYON-SIOUX-OBRIEN-CLAY-ROCK-BEADLE-KINGSBURY-JERAULD-SANBORN-
MINER-LAKE-MINNEHAHA-LINCOLN-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...
SANBORN...SPENCER...LUVERNE...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...WESSINGTON SPRINGS...ALPENA...WOONSOCKET...
HOWARD...MADISON...SIOUX FALLS...CANTON...LENNOX...TEA...
HARRISBURG
1158 AM CDT WED MAR 11 2009

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

THE WIND CHILL ADVISORY WILL EXPIRE AT NOON CDT TODAY. 

WINDS WILL CONTINUE TO SLOWLY DECREASE THE REST OF THE
AFTERNOON...ALLOWING WIND CHILLS TO IMPROVE.

$$

IAZ002-003-MNZ071-072-080-081-089-090-097-SDZ040-056-111800-
/O.EXP.KFSD.WC.Y.0007.000000T0000Z-090311T1700Z/
OSCEOLA-DICKINSON-LINCOLN-LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON-
PIPESTONE-BROOKINGS-MOODY-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...
MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...
WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE...BROOKINGS...
FLANDREAU
1158 AM CDT WED MAR 11 2009

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

THE WIND CHILL ADVISORY WILL EXPIRE AT NOON CDT TODAY. 

WINDS WILL CONTINUE TO SLOWLY DECREASE THE REST OF THE
AFTERNOON...ALLOWING WIND CHILLS TO IMPROVE.

$$

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 Mar 10, 4:55 AM CDT, 9 hours 56 minutes earlier.

Area forecast discussion, Mar 10, 4:55 AM CDT, 9 hours 56 minutes before
AREA FORECAST DISCUSSION FOR SOUTHEAST SD/SOUTHWEST MN/NORTHWEST IA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
455 AM CDT TUE MAR 10 2009

.DISCUSSION...
WIDESPREAD FLURRIES ACROSS THE AREA EARLY THIS MORNING...ALONG WITH
SOME FREEZING DRIZZLE INTO NW IA. CURRENTLY SEEING SOME ENHANCED
RADAR RETURNS OVER SE SD LIKELY FROM 700 MB WARM ADVECTION PUSH.
VISIBILITIES AS LOW AS 2-3 SM UNDER THIS AREA OF ENHANCEMENT. DO NOT
EXPECT MUCH MORE THAN A TENTH OR TWO OF SNOW OUT OF THIS...AS WARM
ADVECTION QUICKLY SLIDES EAST AFTER 12Z. ONLY CONCERN WITH THIS AREA
OF PRECIPITATION IS INTO NW IA...WHERE A FEW HUNDRETHS OF FREEZING
RAIN ARE POSSIBLE...WHICH WOULD MAKE FOR SOME SLIPPERY ROAD
SURFACES. OTHERWISE THE MAIN PRECIPITATION EVENT WILL HOLD OFF UNTIL
LATER THIS MORNING AND AFTERNOON AS A STRONG NRN STREAM WAVE MOVES
ACROSS THE AREA...ALTHOUGH IT IS BEGINNING TO APPEAR MUCH OF THIS
PRECIPITATION WILL BE N OF THE CWA.

ELECTED TO DROP ALL PREVIOUS WINTER WEATHER ADVISORIES AND REPLACE
WARNINGS WITH ADVISORIES. ACROSS THE SRN CWA IT IS VERY UNLIKELY
ADVISORY CRITERIA WILL OCCUR. NOT ANTICIPATING WIDESPREAD BLOWING
SNOW REDUCING VISIBILITIES TO LESS THAN 1/2 MILE IN THE SOUTH...NOR
3-5 INCHES INCHES OF SNOW...WHICH TECHNICALLY ARE NEEDED FOR AN
ADVISORY. ACTUALLY MAY NOT SEE MUCH MORE THAN A DUSTING OF SNOW IN
THE SOUTH. NRN STREAM WAVE IS NO WHERE CLOSE TO PHASING WITH SRN
STREAM...UNTIL THE WAVE MOVES INTO CNTRL/NRN MN...WHICH IS QUITE
EVIDENT BASED ON CURRENT RADAR AND WATER VAPOR. MODELS HAVE
STRUGGLED WITH THIS AND THUS HAVE BEEN OVER DOING THE QPF...OF COURSE
THE MODELS HAVE BEEN TRENDING DRIER. CERTAINLY ALL KIND OF VERTICAL
MOTION WITH THIS WAVE...BUT WITH LIMITED MOISTURE IT WILL BE
DIFFICULT TO PRODUCE HIGH SNOW TOTALS. BASED ON THE 06Z
NAM/GFS...WHICH ARE EVEN DRIER...IT WILL BE DIFFICULT TO PRODUCE
MUCH MORE THAT AN INCH OR TWO IN THE NRN CWA. STILL THE COMBINATION
OF FALLING AND BLOWING SNOW WILL REDUCE VISIBILITIES...MAKING TRAVEL
DIFFICULT AT TIMES IN OPEN AREAS...WHICH GENERALLY WILL BE CONFINED
TO NRN PORTIONS OF THE CWA...AND MORE SO INTO NE SD AND CNTRL
MN.

HIGH PRESSURE BUILDS IN TONIGHT...WITH CLEARING SKIES FROM SW TO NE.
TEMPERATURES WILL GENERALLY DROP BELOW FREEZING AND COLD WIND
CHILLS. WILL PUSH WIND CHILL ADVISORY IN SOME AREAS...BUT WILL LEAVE
THAT FOR DAY SHIFT...SO AS NOT TO CONFUSE THE PUBLIC WITH MULTIPLE
HEADLINES. OTHERWISE GENERALLY DRY INTO THE EXTENDED WITH WARMING
TREND FOR THE LATER HALF OF THE WEEK.

&&

.AVIATION...
PCPN TYPE AND IFR AND WORSE CIGS THE PRIMARY AVIATION CONCERN FOR
THE SHORT TERM. SLOW MOVING CDFNT FROM NR KRWF TO NEAR KLCG PUSHING
THRU THE AREA...LEADING EDGE OF PUSH OF UNDERCUTTING SHALLOW COLD
AIR. WK CONVERGENT FLOW AND PLENTY OF BL MOISTURE HAS RESULTED IN
LIFR VSBY/CIG CONDITIONS ACRS MUCH OF NW IA...EXPECTED TO PERSIST
THIS EVENING. OTHERWISE...THIS COLD AIR HAS RESULTED IN THE AREAS OF
DRIZZLE CHANGING OVER TO FREEZING DRIZZLE IN ABOUT A 50-70NM WIDE
BAND BEHIND THE FRONT INCLUDING THE KFSD AREA. THIS TRANSISTION WILL
CONTINUE EWRD INTO THE KSUX AREA...LKLY BY 05Z...RESULTING IN LIGHT
SFC ICING CONDITIONS. FOR KFSD...PERSISTENT FZDZ EXPECTED TO LAST
THRU 06Z...PSBLY THRU 09Z BEFORE COOLING AIRMASS AT LOW LVLS ALLOWS
A MIX OR CHANGE TO MVFR SNOW. FOR KHON...EXPECT THAT THE TRANSITION
TO SNOW PRIOR TO 23Z IS NOW A PERMANENT ONE AS COLD ENOUGH IN THE
NEAR SFC LAYER TO OVERCOME LACK OF DEEPER ICE BEARING LYR. WL WATCH
FOR MAIN WAVE ROTATING THRU 4 CORNERS AREA TO EJECT NE THRU LATE
NIGHT AND EARLY MORNING. SOMEWHAT CONVECTIVE ALFT...AND FCST SNDGS
SHOW THAT WL LKLY FIND IP/FZRA THREAT WITH PCPN NR NW IA INCLUDING
KSUX FROM 11Z-17Z...CHANGING TO SNOW BEFORE ENDING. KHON/KFSD SAFELY
IN SNOW TYPES...THE LATTER ONCE ICE BEARING LYR SATURATES. /CHAPMAN

&&

.FSD WATCHES/WARNINGS/ADVISORIES...
IA...NONE.
MN...WINTER WEATHER ADVISORY FROM 10 AM THIS MORNING TO 1 AM CDT
     WEDNESDAY FOR MNZ071-072-080-081-097.
NE...NONE.
SD...WINTER WEATHER ADVISORY FROM 10 AM THIS MORNING TO 1 AM CDT
     WEDNESDAY FOR SDZ040-056.
     WINTER WEATHER ADVISORY UNTIL 10 PM CDT THIS EVENING FOR SDZ038-
     039-052>055.

&&

97/JH
Hazardous weather outlook, Mar 10, 5:37 AM CDT, 9 hours 14 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SIOUX FALLS SD
0537 AM CDT TUE MAR 10 2009

SDZ038>040-050-052>071-MNZ071-072-080-081-089-090-097-098-
IAZ001>003-012>014-020>022-031-032-NEZ013-014-111200-
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-
0537 AM CST TUE MAR 10 2009

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

.DAY ONE...TODAY AND TONIGHT

WINTER WEATHER...
A STRONG AREA OF LOW PRESSURE WILL MOVE ACROSS THE REGION
TODAY...PRODUCING A WIDESPREAD AREA OF WINTRY WEATHER. SNOW WILL
OCCUR ACROSS SOUTHEAST AND SOUTH CENTRAL SOUTH DAKOTA...AND
SOUTHWEST MINNESOTA TODAY. ACCUMULATIONS ARE EXPECTED TO BE AN
INCH OR LESS SOUTH OF INTERSTATE 90 AND 1 TO 4 INCHES NORTH OF
THE INTERSTATE... ALONG WITH AREAS OF BLOWING SNOW.

LIGHT FREEZING RAIN IS POSSIBLE OVER PORTIONS OF SOUTHWEST
MINNESOTA...EXTREME SOUTHEAST SOUTH DAKOTA...AND NORTHWEST IOWA
THIS MORNING. MOTORISTS SHOULD USE CAUTION AS ROADS MAY BECOME
ICY. BY THIS AFTERNOON...LIGHT FREEZING RAIN IS EXPECTED TO
CHANGE TO SNOW.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.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.

97

In the hours before

Local storm report, Mar 10, 1:33 PM CDT, 1 hour 18 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
133 PM CDT TUE MAR 10 2009

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1133 AM     SNOW             HURON                   44.36N 98.22W
03/10/2009  M1.5 INCH        BEADLE             SD   OFFICIAL NWS OBS

1208 PM     SNOW             BURKE                   43.18N 99.29W
03/10/2009  E0.0 INCH        GREGORY            SD   LAW ENFORCEMENT

1211 PM     SNOW             CHAMBERLAIN             43.81N 99.32W
03/10/2009  M1.5 INCH        BRULE              SD   TRAINED SPOTTER

1214 PM     SNOW             PLATTE                  43.39N 98.84W
03/10/2009  E0.8 INCH        CHARLES MIX        SD   LAW ENFORCEMENT

1216 PM     SNOW             CORSICA                 43.42N 98.41W
03/10/2009  E1.2 INCH        DOUGLAS            SD   LAW ENFORCEMENT

1221 PM     SNOW             WESSINGTON SPRINGS      44.08N 98.57W
03/10/2009  E1.3 INCH        JERAULD            SD   LAW ENFORCEMENT

1224 PM     SNOW             DE SMET                 44.39N 97.55W
03/10/2009  E1.5 INCH        KINGSBURY          SD   LAW ENFORCEMENT

1226 PM     SNOW             MITCHELL                43.73N 98.03W
03/10/2009  M0.8 INCH        DAVISON            SD   CO-OP OBSERVER

1234 PM     SNOW             BROOKINGS               44.31N 96.79W
03/10/2009  E0.5 INCH        BROOKINGS          SD   LAW ENFORCEMENT

1246 PM     SNOW             OLIVET                  43.24N 97.67W
03/10/2009  E1.0 INCH        HUTCHINSON         SD   LAW ENFORCEMENT

0100 PM     SNOW             SIOUX FALLS             43.54N 96.73W
03/10/2009  M0.4 INCH        MINNEHAHA          SD   OFFICIAL NWS OBS

&&

DMORIN

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 10, 3:40 AM CDTWinter Weather AdvisoryFSDCottonwood, Jackson, Lincoln, Lyon, Murray, Nobles and 1 more23 hr

Nearby

Wind Chill Advisories in South Dakota, 2009Wind Chill Advisories in Minnesota, 2009Wind Chill Advisories in Iowa, 2009Every wind chill advisory in 2009

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.