Alert archive / South Dakota / Winter Storm Warnings in 2009

Winter Storm Warning 3, NWS Sioux Falls, SD

March 9, 20098 counties in South Dakota; 5 counties in Minnesota

NWS Sioux Falls, SD issued this winter storm warning at Mar 9, 2009, 4:05 PM CDT for 8 counties in South Dakota; 5 counties in Minnesota. It took effect at Mar 10, 2009, 7:00 AM CDT. It was in force for . No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Mar 9, 2009, 4:05 PM CDT (21:05 UTC)
In effect from
Mar 10, 2009, 7:00 AM CDT
Expired
Mar 10, 2009, 3:40 AM CDT
In force
Issued by
NWS Sioux Falls, SD

Counties Cottonwood County, MN, Lincoln County, MN, Lyon County, MN, Murray County, MN, Pipestone County, MN, Beadle County, SD, Brookings County, SD, Jerauld County, SD, Kingsbury County, SD, Lake County, SD, Miner County, SD, Moody County, SD, Sanborn County, SD

The radar

The Sioux Falls radar (KFSD), 66 km from the middle of the area, began a volume at 21:05 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, 9.1 hours before the alert went out and 143 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 2009-03-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 2009-03-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 434 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
448 m above ground
0-6 km bulk shear
76 kt
0-1 km storm-relative helicity
434 m²/s²
0-3 km storm-relative helicity
527 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 092105
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
405 PM CDT MON MAR 9 2009

.LOW PRESSURE ORGANIZING IN SOUTHEAST COLORADO LATE MONDAY AFTERNOON
WILL PUSH OUT INTO THE PLAINS TONIGHT...AND CURVE TOWARD THE NORTHERN
PLAINS ON TUESDAY AND TUESDAY NIGHT. LEADING INTO THE EVENT
TONIGHT...AREAS OF FREEZING DRIZZLE AND LIGHT FREEZING RAIN WILL
DEVELOP...MAINLY AS TEMPERATURES FALL BEHIND A SLOW MOVING COLD
FRONT PUSHING THROUGH SOUTHWEST MINNESOTA AND NORTHWEST IOWA OVERNIGHT.
TO THE WEST...COLDER AIR WILL GRADUALLY FORCE FREEZING DRIZZLE TO
MIX WITH AND CHANGE TO LIGHT SNOW FROM THE JAMES VALLEY WEST.

THE APPROACHING AREA OF LOW PRESSURE IS EXPECTED TO EVOLVE INTO A
SIGNIFICANT WINTER STORM ON TUESDAY AND TUESDAY NIGHT...PACKING A
DANGEROUS COMBINATION OF SNOW...WIND...AND COLD TEMPERATURES.
SNOWFALL WILL BECOME QUICKLY WIDESPREAD ACROSS THE AREA DURING
THE MORNING HOURS...STARTING WEST OF INTERSTATE 29 AND BUILDING
NORTH AND EAST ACROSS THE AREA. THE GREATEST SNOWFALL WILL LIFT
NORTH OF INTERSTATE 90 DURING THE AFTERNOON...WITH AREAS OF
SNOWFALL MAINLY RETREATING INTO AREAS NORTH OF A LINE FROM HURON
TO PIPESTONE TO JACKSON MINNESOTA BY EVENING. SNOWFALL IS EXPECTED
TO BE GREATEST NORTHWARD ACROSS THE AREA...WITH LOWER AMOUNTS
THROUGH NORTHWEST IOWA.  BY MIDNIGHT TUESDAY NIGHT...SNOWFALL
ACCUMULATIONS ARE EXPECTED TO RANGE FROM 4 TO 6 INCHES ALONG
HIGHWAY 14...NEAR 3 INCHES ALONG INTERSTATE 90...AND LESS THAN AN
INCH FROM NEAR SIOUX CITY EASTWARD.

NORTHERLY WINDS WILL ALSO INCREASE BY EARLY AFTERNOON...BECOMING A
GUSTY 25 TO 35 MPH. THIS WILL CREATE WIDESPREAD BLOWING SNOW...
ESPECIALLY IN AREAS NORTH OF INTERSTATE 90. VISIBILITIES WILL
LIKELY DROP BRIEFLY TO AS LOW AS A QUARTER TO HALF MILE IN OPEN
AREAS. IN ADDITION TO THE BLOWING SNOW...BELOW ZERO WIND CHILLS
WILL SPREAD FROM WEST TO EAST AS WINDS INCREASE...AND WIND CHILLS
WILL LIKELY DROP TO 15 BELOW TO 25 BELOW ZERO TUESDAY NIGHT.

MNZ071-072-SDZ040-100515-
/O.UPG.KFSD.BZ.A.0002.090310T1700Z-090311T1100Z/
/O.NEW.KFSD.WS.W.0003.090310T1200Z-090311T0600Z/
LINCOLN-LYON-BROOKINGS-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...MARSHALL...BROOKINGS
405 PM CDT MON MAR 9 2009

...WINTER STORM WARNING IN EFFECT FROM 7 AM TUESDAY TO 1 AM CDT
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW...WHICH IS IN
EFFECT FROM 7 AM TUESDAY TO 1 AM CDT WEDNESDAY. THE BLIZZARD WATCH
IS NO LONGER IN EFFECT.

AFTER A PERIOD OF FREEZING DRIZZLE OR LIGHT FREEZING RAIN
TONIGHT...SNOW WILL SPREAD INTO THE AREA ON TUESDAY...BECOMING
WIDESPREAD BY MID TO LATE MORNING. SNOW WILL CONTINUE HEAVY AT
TIMES THROUGH THE AFTERNOON...BEFORE TAPERING OFF TUESDAY EVENING.
TOTAL SNOW ACCUMULATIONS ARE EXPECTED TO VARY FROM 4 TO 6 INCHES.
NORTHERLY WINDS WILL INCREASE TO A GUSTY 25 TO 35 MPH TUESDAY
AFTERNOON AND EVENING. THIS WILL CREATE WIDESPREAD BLOWING SNOW
WITH VISIBILITIES AS LOW AS A QUARTER TO HALF MILE AT TIMES. WIND
CHILLS BY TUESDAY EVENING WILL DIP TO 10 BELOW TO 20 BELOW ZERO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF SNOW
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.

&&

$$

SDZ038-039-052>055-100515-
/O.UPG.KFSD.WS.A.0002.090310T1200Z-090311T0500Z/
/O.NEW.KFSD.WS.W.0003.090310T1200Z-090311T0300Z/
BEADLE-KINGSBURY-JERAULD-SANBORN-MINER-LAKE-
INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...WESSINGTON SPRINGS...ALPENA...WOONSOCKET...
HOWARD...MADISON
405 PM CDT MON MAR 9 2009

...WINTER STORM WARNING IN EFFECT FROM 7 AM TO 10 PM CDT
TUESDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW...WHICH IS IN EFFECT
FROM 7 AM TO 10 PM CDT TUESDAY. THE WINTER STORM WATCH IS NO
LONGER IN EFFECT.

AFTER AREAS OF FREEZING DRIZZLE OR LIGHT FREEZING RAIN...WHICH
WILL GRADUALLY MIX WITH OR CHANGE TO LIGHT SNOW THROUGH THE
NIGHT...MORE STEADY AND HEAVIER SNOWFALL WILL SPREAD INTO THE
AREA ON TUESDAY MORNING. SNOW WILL CONTINUE HEAVY AT TIMES THROUGH
THE AFTERNOON...BEFORE TAPERING OFF TUESDAY EVENING. TOTAL SNOW
ACCUMULATIONS ARE EXPECTED TO VARY FROM 3 TO 6 INCHES. NORTHERLY
WINDS WILL INCREASE TO A GUSTY 25 TO 35 MPH TUESDAY AFTERNOON AND
EVENING. THIS WILL CREATE WIDESPREAD BLOWING SNOW WITH
VISIBILITIES AS LOW AS A QUARTER TO HALF MILE AT TIMES. WIND
CHILLS BY TUESDAY EVENING WILL DIP TO 10 BELOW TO 20 BELOW ZERO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF SNOW
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.

&&

$$

MNZ080-081-097-SDZ056-100515-
/O.UPG.KFSD.WS.A.0002.090310T1700Z-090311T1100Z/
/O.NEW.KFSD.WS.W.0003.090310T1200Z-090311T0600Z/
MURRAY-COTTONWOOD-PIPESTONE-MOODY-
INCLUDING THE CITIES OF...SLAYTON...FULDA...WINDOM...
MOUNTAIN LAKE...PIPESTONE...FLANDREAU
405 PM CDT MON MAR 9 2009

...WINTER STORM WARNING IN EFFECT FROM 7 AM TUESDAY TO 1 AM CDT
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW...WHICH IS IN EFFECT
FROM 7 AM TUESDAY TO 1 AM CDT WEDNESDAY. THE WINTER STORM WATCH IS
NO LONGER IN EFFECT.

AFTER A PERIOD OF FREEZING DRIZZLE OR LIGHT FREEZING RAIN
TONIGHT...SNOW WILL SPREAD INTO THE AREA ON TUESDAY...BECOMING
WIDESPREAD BY MID TO LATE MORNING. SNOW WILL CONTINUE HEAVY AT
TIMES THROUGH THE AFTERNOON...BEFORE TAPERING OFF TUESDAY EVENING.
TOTAL SNOW ACCUMULATIONS ARE EXPECTED TO VARY FROM 4 TO 6 INCHES.
NORTHERLY WINDS WILL INCREASE TO A GUSTY 25 TO 35 MPH TUESDAY
AFTERNOON AND EVENING. THIS WILL CREATE WIDESPREAD BLOWING SNOW
WITH VISIBILITIES AS LOW AS A QUARTER TO HALF MILE AT TIMES. WIND
CHILLS BY TUESDAY EVENING WILL DIP TO 10 BELOW TO 20 BELOW ZERO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF SNOW
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.

&&

$$

SDZ050-057>060-063>065-068-069-100515-
/O.NEW.KFSD.WW.Y.0013.090310T1200Z-090311T0000Z/
GREGORY-BRULE-AURORA-DAVISON-HANSON-CHARLES MIX-DOUGLAS-
HUTCHINSON-BON HOMME-YANKTON-
INCLUDING THE CITIES OF...GREGORY...BURKE...CHAMBERLAIN...
KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...
ALEXANDRIA...EMERY...WAGNER...PLATTE...LAKE ANDES...MARTY...
ARMOUR...CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP...
TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON
405 PM CDT MON MAR 9 2009

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 AM TO 7 PM CDT
TUESDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT
FROM 7 AM TO 7 PM CDT TUESDAY.

AREAS OF FREEZING DRIZZLE OR LIGHT FREEZING RAIN WILL GRADUALLY
CHANGE TO FLURRIES OR LIGHT SNOW FROM WEST TO EAST OVERNIGHT.
HOWEVER...MORE SIGNIFICANT WINTER WEATHER IS EXPECTED TO DEVELOP
ON TUESDAY...WHEN A PERIOD OF SNOWFALL...HEAVY AT TIMES...WILL
SPREAD NORTHEAST ACROSS THE AREA DURING THE MORNING...GRADUALLY
TAPERING OFF FROM SOUTH TO NORTH IN THE AFTERNOON. TOTAL SNOW
ACCUMULATION BY TUESDAY EVENING WILL VARY FROM AN INCH TO TWO NEAR
THE NEBRASKA BORDER...TO 3 TO 4 INCHES ALONG AND NORTH OF
INTERSTATE 90. NORTHERLY WINDS WILL INCREASE TO A GUSTY 25 TO 35
MPH...CREATING AREAS OF BLOWING SNOW...AND DRIVING WIND CHILLS
WELL BELOW ZERO.

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.

&&

$$

IAZ001>003-012>014-MNZ089-090-098-SDZ061-062-066-067-100515-
/O.NEW.KFSD.WW.Y.0013.090310T1200Z-090311T0300Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-NOBLES-JACKSON-ROCK-
MCCOOK-MINNEHAHA-TURNER-LINCOLN-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...WORTHINGTON...JACKSON...LAKEFIELD...LUVERNE...SALEM...
CANISTOTA...BRIDGEWATER...MONTROSE...SIOUX FALLS...PARKER...
CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...
LENNOX...TEA...HARRISBURG
405 PM CDT MON MAR 9 2009

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 AM TO 10 PM CDT
TUESDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM
7 AM TO 10 PM CDT TUESDAY.

AS TEMPERATURES FALL TONIGHT...AREAS OF DRIZZLE WILL CHANGE TO
FREEZING DRIZZLE OR LIGHT FREEZING RAIN...WITH SOME LIGHT ICE
ACCUMULATIONS BY DAYBREAK. CONDITIONS WILL DETERIORATE RAPIDLY ON
TUESDAY WITH SNOW EXPECTED TO BREAK OUT AND BECOME WIDESPREAD
TUESDAY MORNING. SNOW WILL BE BRIEFLY HEAVY...TAPERING OFF BY
LATER IN THE AFTERNOON AND EVENING. SNOW ACCUMULATIONS THROUGH
EARLY EVENING WILL VARY FROM 2 TO 4 INCHES. IN ADDITION...
NORTHERLY WINDS WILL INCREASE TO 25 TO 35 MPH...CREATING BLOWING
SNOW AND DANGEROUSLY COLD WIND CHILLS...DROPPING TO 10 BELOW TO 20
BELOW ZERO TUESDAY NIGHT.

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.

&&

$$

IAZ020>022-031-032-NEZ013-014-SDZ070-071-100515-
/O.NEW.KFSD.WW.Y.0013.090310T1200Z-090311T0000Z/
PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA-DIXON-DAKOTA-CLAY-
UNION-
INCLUDING THE CITIES OF...LE MARS...CHEROKEE...STORM LAKE...
SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...WAKEFIELD...
PONCA...ALLEN...SOUTH SIOUX CITY...VERMILLION...
NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON
405 PM CDT MON MAR 9 2009

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 AM TO 7 PM CDT
TUESDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
WEATHER ADVISORY FOR MIXED PRECIPITATION...WHICH IS IN EFFECT FROM
7 AM TO 7 PM CDT TUESDAY.

AS TEMPERATURES COOL TONIGHT...AREAS OF DRIZZLE WILL CHANGE TO
FREEZING DRIZZLE WITH SOME LIGHT ICE ACCUMULATION. HOWEVER...MORE
SIGNIFICANT ICING UP TO A TENTH OF AN INCH...IS EXPECTED TO OCCUR
EARLY TUESDAY MORNING AS LIGHT FREEZING RAIN DEVELOPS. THE
FREEZING RAIN WILL TRANSITION TO SNOW ON TUESDAY...STARTING BY MID
MORNING AROUND SIOUX CITY AND BY MIDDAY EASTWARD TOWARD STORM
LAKE. SNOW MAY BE BRIEFLY HEAVY DURING THE EARLY AFTERNOON...BUT
WILL ALSO TAPER OFF DURING THE AFTERNOON. THIS WILL LIMIT SNOW
ACCUMULATION TO LESS THAN 2 INCHES. AS NORTH WINDS INCREASE TO A
GUSTY 25 TO 35 MPH...SOME AREAS OF BLOWING SNOW WILL BE POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

CHAPMAN
3 follow-up statements
000 
WWUS43 KFSD 092346
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
646 PM CDT MON MAR 9 2009

.LOW PRESSURE ORGANIZING IN SOUTHEAST COLORADO LATE MONDAY
AFTERNOON WILL PUSH OUT INTO THE PLAINS TONIGHT...AND CURVE
TOWARD THE NORTHERN PLAINS ON TUESDAY AND TUESDAY NIGHT. LEADING
INTO THE EVENT TONIGHT...AREAS OF FREEZING DRIZZLE AND LIGHT
FREEZING RAIN WILL DEVELOP...MAINLY AS TEMPERATURES FALL BEHIND A
SLOW MOVING COLD FRONT PUSHING THROUGH SOUTHWEST MINNESOTA AND
NORTHWEST IOWA OVERNIGHT. TO THE WEST...COLDER AIR WILL GRADUALLY
FORCE FREEZING DRIZZLE TO MIX WITH AND CHANGE TO LIGHT SNOW FROM
THE JAMES VALLEY WEST.

THE APPROACHING AREA OF LOW PRESSURE IS EXPECTED TO EVOLVE INTO A
SIGNIFICANT WINTER STORM ON TUESDAY AND TUESDAY NIGHT...PACKING A
DANGEROUS COMBINATION OF SNOW...WIND...AND COLD TEMPERATURES.
SNOWFALL WILL BECOME QUICKLY WIDESPREAD ACROSS THE AREA DURING
THE MORNING HOURS...STARTING WEST OF INTERSTATE 29 AND BUILDING
NORTH AND EAST ACROSS THE AREA. THE GREATEST SNOWFALL WILL LIFT
NORTH OF INTERSTATE 90 DURING THE AFTERNOON...WITH AREAS OF
SNOWFALL MAINLY RETREATING INTO AREAS NORTH OF A LINE FROM HURON
TO PIPESTONE TO JACKSON MINNESOTA BY EVENING. SNOWFALL IS
EXPECTED TO BE GREATEST NORTHWARD ACROSS THE AREA...WITH LOWER
AMOUNTS THROUGH NORTHWEST IOWA.  BY MIDNIGHT TUESDAY NIGHT...
SNOWFALL ACCUMULATIONS ARE EXPECTED TO RANGE FROM 4 TO 6 INCHES
ALONG HIGHWAY 14...NEAR 3 INCHES ALONG INTERSTATE 90...AND LESS
THAN AN INCH FROM NEAR SIOUX CITY EASTWARD.

NORTHERLY WINDS WILL ALSO INCREASE BY EARLY AFTERNOON...BECOMING
A GUSTY 25 TO 35 MPH. THIS WILL CREATE WIDESPREAD BLOWING SNOW...
ESPECIALLY IN AREAS NORTH OF INTERSTATE 90. VISIBILITIES WILL
LIKELY DROP BRIEFLY TO AS LOW AS A QUARTER TO HALF MILE IN OPEN
AREAS. IN ADDITION TO THE BLOWING SNOW...BELOW ZERO WIND CHILLS
WILL SPREAD FROM WEST TO EAST AS WINDS INCREASE...AND WIND CHILLS
WILL LIKELY DROP TO 15 BELOW TO 25 BELOW ZERO TUESDAY NIGHT.

MNZ071-072-080-081-097-SDZ040-056-100800-
/O.NEW.KFSD.WW.Y.0014.090309T2346Z-090310T0900Z/
/O.CON.KFSD.WS.W.0003.090310T1200Z-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
646 PM CDT MON MAR 9 2009

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 AM CDT TUESDAY...
...WINTER STORM WARNING REMAINS IN EFFECT FROM 7 AM TUESDAY TO
1 AM CDT WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
WEATHER ADVISORY FOR FREEZING DRIZZLE...WHICH IS IN EFFECT UNTIL
4 AM CDT TUESDAY. A WINTER STORM WARNING REMAINS IN EFFECT FROM 7
AM TUESDAY TO 1 AM CDT WEDNESDAY.

AFTER A PERIOD OF FREEZING DRIZZLE AND FOG OR LIGHT FREEZING RAIN
TONIGHT...SNOW WILL SPREAD INTO THE AREA ON TUESDAY...BECOMING
WIDESPREAD BY MID TO LATE MORNING. SNOW WILL CONTINUE HEAVY AT
TIMES THROUGH THE AFTERNOON...BEFORE TAPERING OFF TUESDAY EVENING.
TOTAL SNOW ACCUMULATIONS ARE EXPECTED TO VARY FROM 4 TO 6 INCHES.
NORTHERLY WINDS WILL INCREASE TO A GUSTY 25 TO 35 MPH TUESDAY
AFTERNOON AND EVENING. THIS WILL CREATE WIDESPREAD BLOWING SNOW
WITH VISIBILITIES AS LOW AS A QUARTER TO HALF MILE AT TIMES. WIND
CHILLS BY TUESDAY EVENING WILL DIP TO 10 BELOW TO 20 BELOW ZERO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW 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.

&&

$$

SDZ039-054-055-100800-
/O.NEW.KFSD.WW.Y.0014.090309T2346Z-090310T0900Z/
/O.CON.KFSD.WS.W.0003.090310T1200Z-090311T0300Z/
KINGSBURY-MINER-LAKE-
INCLUDING THE CITIES OF...DE SMET...ARLINGTON...LAKE PRESTON...
HOWARD...MADISON
646 PM CDT MON MAR 9 2009

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 AM CDT TUESDAY...
...WINTER STORM WARNING REMAINS IN EFFECT FROM 7 AM TO 10 PM CDT
TUESDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
WEATHER ADVISORY FOR FREEZING DRIZZLE BECOMING MIXED WITH LIGHT
SNOW...WHICH IS IN EFFECT UNTIL 4 AM CDT TUESDAY. A WINTER STORM
WARNING REMAINS IN EFFECT FROM 7 AM TO 10 PM CDT TUESDAY.

AFTER FREEZING DRIZZLE OR LIGHT FREEZING RAIN...WHICH WILL
GRADUALLY MIX WITH OR CHANGE TO LIGHT SNOW THROUGH THE NIGHT...
MORE STEADY AND HEAVIER SNOWFALL WILL SPREAD INTO THE AREA ON
TUESDAY MORNING. SNOW WILL CONTINUE HEAVY AT TIMES THROUGH THE
AFTERNOON...BEFORE TAPERING OFF TUESDAY EVENING. TOTAL SNOW
ACCUMULATIONS ARE EXPECTED TO VARY FROM 3 TO 6 INCHES. NORTHERLY
WINDS WILL INCREASE TO A GUSTY 25 TO 35 MPH TUESDAY AFTERNOON AND
EVENING. THIS WILL CREATE WIDESPREAD BLOWING SNOW WITH
VISIBILITIES AS LOW AS A QUARTER TO HALF MILE AT TIMES. WIND
CHILLS BY TUESDAY EVENING WILL DIP TO 10 BELOW TO 20 BELOW ZERO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW 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.

&&

$$

SDZ038-052-053-100800-
/O.CON.KFSD.WS.W.0003.090310T1200Z-090311T0300Z/
BEADLE-JERAULD-SANBORN-
INCLUDING THE CITIES OF...HURON...WESSINGTON SPRINGS...ALPENA...
WOONSOCKET
646 PM CDT MON MAR 9 2009

...WINTER STORM WARNING REMAINS IN EFFECT FROM 7 AM TO 10 PM CDT
TUESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 7 AM TO 10 PM CDT
TUESDAY. 

AFTER AREAS OF FREEZING DRIZZLE OR LIGHT FREEZING RAIN...WHICH
WILL GRADUALLY MIX WITH OR CHANGE TO LIGHT SNOW THROUGH THE
NIGHT...MORE STEADY AND HEAVIER SNOWFALL WILL SPREAD INTO THE
AREA ON TUESDAY MORNING. SNOW WILL CONTINUE HEAVY AT TIMES
THROUGH THE AFTERNOON...BEFORE TAPERING OFF TUESDAY EVENING.
TOTAL SNOW ACCUMULATIONS ARE EXPECTED TO VARY FROM 3 TO 6 INCHES.
NORTHERLY WINDS WILL INCREASE TO A GUSTY 25 TO 35 MPH TUESDAY
AFTERNOON AND EVENING. THIS WILL CREATE WIDESPREAD BLOWING SNOW
WITH VISIBILITIES AS LOW AS A QUARTER TO HALF MILE AT TIMES. WIND
CHILLS BY TUESDAY EVENING WILL DIP TO 10 BELOW TO 20 BELOW ZERO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW 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.

&&

$$

SDZ060-065-068-069-100800-
/O.NEW.KFSD.WW.Y.0014.090309T2346Z-090310T0900Z/
/O.CON.KFSD.WW.Y.0013.090310T1200Z-090311T0000Z/
HANSON-HUTCHINSON-BON HOMME-YANKTON-
INCLUDING THE CITIES OF...ALEXANDRIA...EMERY...PARKSTON...
FREEMAN...MENNO...TRIPP...TYNDALL...SCOTLAND...SPRINGFIELD...
AVON...TABOR...YANKTON
646 PM CDT MON MAR 9 2009

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 AM CDT TUESDAY...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 AM TO 7 PM
CDT TUESDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
WEATHER ADVISORY FOR FREEZING DRIZZLE...WHICH IS IN EFFECT UNTIL
4 AM CDT TUESDAY. A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM
7 AM TO 7 PM CDT TUESDAY.

FREEZING DRIZZLE OR LIGHT FREEZING RAIN WILL GRADUALLY CHANGE TO
FLURRIES OR LIGHT SNOW FROM WEST TO EAST OVERNIGHT. HOWEVER...
MORE SIGNIFICANT WINTER WEATHER IS EXPECTED TO DEVELOP ON
TUESDAY... WHEN A PERIOD OF SNOWFALL...HEAVY AT TIMES...WILL
SPREAD NORTHEAST ACROSS THE AREA DURING THE MORNING...GRADUALLY
TAPERING OFF FROM SOUTH TO NORTH IN THE AFTERNOON. TOTAL SNOW
ACCUMULATION BY TUESDAY EVENING WILL VARY FROM AN INCH TO TWO NEAR
THE NEBRASKA BORDER...TO 3 TO 4 INCHES ALONG AND NORTH OF
INTERSTATE 90. NORTHERLY WINDS WILL INCREASE TO A GUSTY 25 TO 35
MPH...CREATING AREAS OF BLOWING SNOW...AND DRIVING WIND CHILLS
WELL BELOW ZERO.

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.

&&

$$

IAZ001-012-MNZ089-090-098-SDZ061-062-066-067-100800-
/O.NEW.KFSD.WW.Y.0014.090309T2346Z-090310T0900Z/
/O.CON.KFSD.WW.Y.0013.090310T1200Z-090311T0300Z/
LYON-SIOUX-NOBLES-JACKSON-ROCK-MCCOOK-MINNEHAHA-TURNER-LINCOLN-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...WORTHINGTON...JACKSON...
LAKEFIELD...LUVERNE...SALEM...CANISTOTA...BRIDGEWATER...
MONTROSE...SIOUX FALLS...PARKER...CENTERVILLE...MARION...VIBORG...
HURLEY...CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG
646 PM CDT MON MAR 9 2009

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 AM CDT TUESDAY...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 AM TO 10 PM
CDT TUESDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
WEATHER ADVISORY FOR FREEZING DRIZZLE...WHICH IS IN EFFECT UNTIL
4 AM CDT TUESDAY. A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM
7 AM TO 10 PM CDT TUESDAY.

AS TEMPERATURES FALL TONIGHT...AREAS OF DRIZZLE AND FOG EARLY...
WILL CHANGE TO FREEZING DRIZZLE OR LIGHT FREEZING RAIN. CONDITIONS
WILL DETERIORATE RAPIDLY AGAIN ON TUESDAY WITH SNOW EXPECTED TO
BREAK OUT AND BECOME WIDESPREAD TUESDAY MORNING. SNOW WILL BE
BRIEFLY HEAVY...TAPERING OFF BY LATER IN THE AFTERNOON AND
EVENING. SNOW ACCUMULATIONS THROUGH EARLY EVENING WILL VARY FROM 2
TO 4 INCHES. IN ADDITION... NORTHERLY WINDS WILL INCREASE TO 25 TO
35 MPH...CREATING BLOWING SNOW AND DANGEROUSLY COLD WIND CHILLS...
DROPPING TO 10 BELOW TO 20 BELOW ZERO TUESDAY NIGHT.

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.

&&

$$

IAZ020-NEZ013-014-SDZ070-071-100800-
/O.NEW.KFSD.WW.Y.0014.090309T2346Z-090310T0900Z/
/O.CON.KFSD.WW.Y.0013.090310T1200Z-090311T0000Z/
PLYMOUTH-DIXON-DAKOTA-CLAY-UNION-
INCLUDING THE CITIES OF...LE MARS...WAKEFIELD...PONCA...ALLEN...
SOUTH SIOUX CITY...VERMILLION...NORTH SIOUX CITY...BERESFORD...
ELK POINT...ALCESTER...JEFFERSON
646 PM CDT MON MAR 9 2009

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 AM CDT TUESDAY...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 AM TO 7 PM
CDT TUESDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
WEATHER ADVISORY FOR FREEZING DRIZZLE...WHICH IS IN EFFECT UNTIL
4 AM CDT TUESDAY. A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM
7 AM TO 7 PM CDT TUESDAY.

AS TEMPERATURES COOL TONIGHT...AREAS OF DRIZZLE AND FOG EARLY...
WILL CHANGE TO FREEZING DRIZZLE WITH LIGHT ICE ACCUMULATION.
HOWEVER...MORE SIGNIFICANT ICING UP TO A TENTH OF AN INCH...IS
EXPECTED TO OCCUR EARLY TUESDAY MORNING AS LIGHT FREEZING RAIN
DEVELOPS. THE FREEZING RAIN WILL TRANSITION TO SNOW ON
TUESDAY...STARTING BY MID MORNING AROUND SIOUX CITY AND BY MIDDAY
EASTWARD TOWARD STORM LAKE. SNOW MAY BE BRIEFLY HEAVY DURING THE
EARLY AFTERNOON...BUT WILL ALSO TAPER OFF DURING THE AFTERNOON.
THIS WILL LIMIT SNOW ACCUMULATION TO LESS THAN 2 INCHES. AS NORTH
WINDS INCREASE TO A GUSTY 25 TO 35 MPH...SOME AREAS OF BLOWING
SNOW WILL BE POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

SDZ050-057>059-063-064-100800-
/O.CON.KFSD.WW.Y.0013.090310T1200Z-090311T0000Z/
GREGORY-BRULE-AURORA-DAVISON-CHARLES MIX-DOUGLAS-
INCLUDING THE CITIES OF...GREGORY...BURKE...CHAMBERLAIN...
KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...
WAGNER...PLATTE...LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT
646 PM CDT MON MAR 9 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 AM TO 7 PM
CDT TUESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 AM TO 7 PM CDT
TUESDAY. 

AREAS OF FREEZING DRIZZLE OR LIGHT FREEZING RAIN WILL GRADUALLY
CHANGE TO FLURRIES OR LIGHT SNOW FROM WEST TO EAST OVERNIGHT.
HOWEVER...MORE SIGNIFICANT WINTER WEATHER IS EXPECTED TO DEVELOP
ON TUESDAY...WHEN A PERIOD OF SNOWFALL...HEAVY AT TIMES...WILL
SPREAD NORTHEAST ACROSS THE AREA DURING THE MORNING...GRADUALLY
TAPERING OFF FROM SOUTH TO NORTH IN THE AFTERNOON. TOTAL SNOW
ACCUMULATION BY TUESDAY EVENING WILL VARY FROM AN INCH TO TWO
NEAR THE NEBRASKA BORDER...TO 3 TO 4 INCHES ALONG AND NORTH OF
INTERSTATE 90. NORTHERLY WINDS WILL INCREASE TO A GUSTY 25 TO
35 MPH...CREATING AREAS OF BLOWING SNOW...AND DRIVING WIND CHILLS
WELL BELOW ZERO.

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.

&&

$$

IAZ002-003-013-014-100800-
/O.CON.KFSD.WW.Y.0013.090310T1200Z-090311T0300Z/
OSCEOLA-DICKINSON-OBRIEN-CLAY-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...SPENCER
646 PM CDT MON MAR 9 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 AM TO 10 PM
CDT TUESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 AM TO 10 PM
CDT TUESDAY. 

AS TEMPERATURES FALL TONIGHT...AREAS OF DENSE FOG AND DRIZZLE WILL
WILL CHANGE TO FREEZING DRIZZLE OR LIGHT FREEZING RAIN...WITH
SOME LIGHT ICE ACCUMULATIONS BY DAYBREAK. CONDITIONS WILL
DETERIORATE RAPIDLY ON TUESDAY WITH SNOW EXPECTED TO BREAK OUT AND
BECOME WIDESPREAD TUESDAY MORNING. SNOW WILL BE BRIEFLY
HEAVY...TAPERING OFF BY LATER IN THE AFTERNOON AND EVENING. SNOW
ACCUMULATIONS THROUGH EARLY EVENING WILL VARY FROM 2 TO 4 INCHES.
IN ADDITION... NORTHERLY WINDS WILL INCREASE TO 25 TO 35
MPH...CREATING BLOWING SNOW AND DANGEROUSLY COLD WIND
CHILLS...DROPPING TO 10 BELOW TO 20 BELOW ZERO TUESDAY NIGHT.

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.

&&

$$

IAZ021-022-031-032-100800-
/O.CON.KFSD.WW.Y.0013.090310T1200Z-090311T0000Z/
CHEROKEE-BUENA VISTA-WOODBURY-IDA-
INCLUDING THE CITIES OF...CHEROKEE...STORM LAKE...SIOUX CITY...
IDA GROVE...HOLSTEIN...BATTLE CREEK
646 PM CDT MON MAR 9 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 AM TO 7 PM
CDT TUESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 AM TO 7 PM CDT
TUESDAY. 

AS TEMPERATURES COOL TONIGHT...AREAS OF DENSE FOG AND DRIZZLE
WILL CHANGE TO FREEZING DRIZZLE WITH SOME LIGHT ICE ACCUMULATION.
HOWEVER...MORE SIGNIFICANT ICING UP TO A TENTH OF AN INCH...IS
EXPECTED TO OCCUR EARLY TUESDAY MORNING AS LIGHT FREEZING RAIN
DEVELOPS. THE FREEZING RAIN WILL TRANSITION TO SNOW ON
TUESDAY...STARTING BY MID MORNING AROUND SIOUX CITY AND BY MIDDAY
EASTWARD TOWARD STORM LAKE. SNOW MAY BE BRIEFLY HEAVY DURING THE
EARLY AFTERNOON...BUT WILL ALSO TAPER OFF DURING THE AFTERNOON.
THIS WILL LIMIT SNOW ACCUMULATION TO LESS THAN 2 INCHES. AS NORTH
WINDS INCREASE TO A GUSTY 25 TO 35 MPH...SOME AREAS OF BLOWING
SNOW WILL BE POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$
RSR
000 
WWUS43 KFSD 100407
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1107 PM CDT MON MAR 9 2009

.LOW PRESSURE ORGANIZING IN SOUTHEAST COLORADO LATE MONDAY
AFTERNOON WILL PUSH OUT INTO THE PLAINS TONIGHT...AND CURVE
TOWARD THE NORTHERN PLAINS ON TUESDAY AND TUESDAY NIGHT. LEADING
INTO THE EVENT TONIGHT...AREAS OF FREEZING DRIZZLE AND LIGHT
FREEZING RAIN WILL DEVELOP...MAINLY AS TEMPERATURES FALL BEHIND A
SLOW MOVING COLD FRONT PUSHING THROUGH SOUTHWEST MINNESOTA AND
NORTHWEST IOWA OVERNIGHT. TO THE WEST...COLDER AIR WILL GRADUALLY
FORCE FREEZING DRIZZLE TO MIX WITH AND CHANGE TO LIGHT SNOW FROM
THE JAMES VALLEY WEST.

THE APPROACHING AREA OF LOW PRESSURE IS EXPECTED TO EVOLVE INTO A
SIGNIFICANT WINTER STORM ON TUESDAY AND TUESDAY NIGHT...PACKING A
DANGEROUS COMBINATION OF SNOW...WIND...AND COLD TEMPERATURES.
SNOWFALL WILL BECOME QUICKLY WIDESPREAD ACROSS THE AREA DURING
THE MORNING HOURS...STARTING WEST OF INTERSTATE 29 AND BUILDING
NORTH AND EAST ACROSS THE AREA. THE GREATEST SNOWFALL WILL LIFT
NORTH OF INTERSTATE 90 DURING THE AFTERNOON...WITH AREAS OF
SNOWFALL MAINLY RETREATING INTO AREAS NORTH OF A LINE FROM HURON
TO PIPESTONE TO JACKSON MINNESOTA BY EVENING. SNOWFALL IS
EXPECTED TO BE GREATEST NORTHWARD ACROSS THE AREA...WITH LOWER
AMOUNTS THROUGH NORTHWEST IOWA.  BY MIDNIGHT TUESDAY NIGHT...
SNOWFALL ACCUMULATIONS ARE EXPECTED TO RANGE FROM 4 TO 6 INCHES
ALONG HIGHWAY 14...NEAR 3 INCHES ALONG INTERSTATE 90...AND LESS
THAN AN INCH FROM NEAR SIOUX CITY EASTWARD.

NORTHERLY WINDS WILL ALSO INCREASE BY EARLY AFTERNOON...BECOMING
A GUSTY 25 TO 35 MPH. THIS WILL CREATE WIDESPREAD BLOWING SNOW...
ESPECIALLY IN AREAS NORTH OF INTERSTATE 90. VISIBILITIES WILL
LIKELY DROP BRIEFLY TO AS LOW AS A QUARTER TO HALF MILE IN OPEN
AREAS. IN ADDITION TO THE BLOWING SNOW...BELOW ZERO WIND CHILLS
WILL SPREAD FROM WEST TO EAST AS WINDS INCREASE...AND WIND CHILLS
WILL LIKELY DROP TO 15 BELOW TO 25 BELOW ZERO TUESDAY NIGHT.

MNZ071-072-080-081-097-SDZ040-056-101215-
/O.CAN.KFSD.WW.Y.0014.000000T0000Z-090310T0900Z/
/O.CON.KFSD.WS.W.0003.090310T1200Z-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
1107 PM CDT MON MAR 9 2009

...WINTER STORM WARNING REMAINS IN EFFECT FROM 7 AM TUESDAY TO
1 AM CDT WEDNESDAY...
...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE
WINTER WEATHER ADVISORY FOR TONIGHT. A WINTER STORM WARNING REMAINS
IN EFFECT FROM 7 AM TUESDAY TO 1 AM CDT WEDNESDAY.

SNOW WILL SPREAD INTO THE AREA ON TUESDAY...BECOMING WIDESPREAD
BY MID TO LATE MORNING. SNOW WILL CONTINUE HEAVY AT TIMES THROUGH
THE AFTERNOON...BEFORE TAPERING OFF TUESDAY EVENING. TOTAL SNOW
ACCUMULATIONS ARE EXPECTED TO VARY FROM 4 TO 6 INCHES. NORTHERLY
WINDS WILL INCREASE TO A GUSTY 25 TO 35 MPH TUESDAY AFTERNOON AND
EVENING. THIS WILL CREATE WIDESPREAD BLOWING SNOW WITH
VISIBILITIES AS LOW AS A QUARTER TO HALF MILE AT TIMES. WIND
CHILLS BY TUESDAY EVENING WILL DIP TO 10 BELOW TO 20 BELOW ZERO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF SNOW
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.

&&

$$

SDZ039-054-055-101215-
/O.CAN.KFSD.WW.Y.0014.000000T0000Z-090310T0900Z/
/O.CON.KFSD.WS.W.0003.090310T1200Z-090311T0300Z/
KINGSBURY-MINER-LAKE-
INCLUDING THE CITIES OF...DE SMET...ARLINGTON...LAKE PRESTON...
HOWARD...MADISON
1107 PM CDT MON MAR 9 2009

...WINTER STORM WARNING REMAINS IN EFFECT FROM 7 AM TO 10 PM CDT
TUESDAY...
...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE
WINTER WEATHER ADVISORY FOR TONIGHT. A WINTER STORM WARNING REMAINS
IN EFFECT FROM 7 AM TO 10 PM CDT TUESDAY.

SNOWFALL WILL SPREAD INTO THE AREA ON TUESDAY MORNING. SNOW WILL
CONTINUE HEAVY AT TIMES THROUGH THE AFTERNOON...BEFORE TAPERING
OFF TUESDAY EVENING. TOTAL SNOW ACCUMULATIONS ARE EXPECTED TO VARY
FROM 3 TO 6 INCHES. NORTHERLY WINDS WILL INCREASE TO A GUSTY 25 TO
35 MPH TUESDAY AFTERNOON AND EVENING. THIS WILL CREATE WIDESPREAD
BLOWING SNOW WITH VISIBILITIES AS LOW AS A QUARTER TO HALF MILE AT
TIMES. WIND CHILLS BY TUESDAY EVENING WILL DIP TO 10 BELOW TO 20
BELOW ZERO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF SNOW
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.

&&

$$

SDZ060-065-068-069-101215-
/O.CAN.KFSD.WW.Y.0014.000000T0000Z-090310T0900Z/
/O.CON.KFSD.WW.Y.0013.090310T1200Z-090311T0000Z/
HANSON-HUTCHINSON-BON HOMME-YANKTON-
INCLUDING THE CITIES OF...ALEXANDRIA...EMERY...PARKSTON...
FREEMAN...MENNO...TRIPP...TYNDALL...SCOTLAND...SPRINGFIELD...
AVON...TABOR...YANKTON
1107 PM CDT MON MAR 9 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 AM TO 7 PM
CDT TUESDAY...
...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE
WINTER WEATHER ADVISORY FOR TONIGHT. A WINTER WEATHER ADVISORY
REMAINS IN EFFECT FROM 7 AM TO 7 PM CDT TUESDAY.

PATCHY LIGHT FREEZING DRIZZLE WILL GRADUALLY CHANGE TO FLURRIES
OR LIGHT SNOW FROM WEST TO EAST OVERNIGHT. HOWEVER...MORE
SIGNIFICANT WINTER WEATHER IS EXPECTED TO DEVELOP ON TUESDAY...
WHEN A PERIOD OF SNOWFALL...HEAVY AT TIMES...WILL SPREAD NORTHEAST
ACROSS THE AREA DURING THE MORNING...GRADUALLY TAPERING OFF FROM
SOUTH TO NORTH IN THE AFTERNOON. TOTAL SNOW ACCUMULATION BY
TUESDAY EVENING WILL VARY FROM AN INCH TO TWO NEAR THE NEBRASKA
BORDER...TO 3 TO 4 INCHES ALONG AND NORTH OF INTERSTATE 90.
NORTHERLY WINDS WILL INCREASE TO A GUSTY 25 TO 35 MPH...CREATING
AREAS OF BLOWING SNOW...AND DRIVING WIND CHILLS WELL BELOW ZERO.

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.

&&

$$

IAZ001-012-MNZ089-090-098-SDZ061-062-066-067-101215-
/O.CAN.KFSD.WW.Y.0014.000000T0000Z-090310T0900Z/
/O.CON.KFSD.WW.Y.0013.090310T1200Z-090311T0300Z/
LYON-SIOUX-NOBLES-JACKSON-ROCK-MCCOOK-MINNEHAHA-TURNER-LINCOLN-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...WORTHINGTON...JACKSON...
LAKEFIELD...LUVERNE...SALEM...CANISTOTA...BRIDGEWATER...
MONTROSE...SIOUX FALLS...PARKER...CENTERVILLE...MARION...VIBORG...
HURLEY...CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG
1107 PM CDT MON MAR 9 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 AM TO 10 PM
CDT TUESDAY...
...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE
WINTER WEATHER ADVISORY FOR TONIGHT. A WINTER WEATHER ADVISORY
REMAINS IN EFFECT FROM 7 AM TO 10 PM CDT TUESDAY.

AS TEMPERATURES FALL TONIGHT...PATCHY FREEZING DRIZZLE SHOULD
BECOME FLURRIES. CONDITIONS WILL DETERIORATE RAPIDLY AGAIN ON
TUESDAY WITH SNOW EXPECTED TO BREAK OUT AND BECOME WIDESPREAD
TUESDAY MORNING. SNOW WILL BE BRIEFLY HEAVY...TAPERING OFF BY
LATER IN THE AFTERNOON AND EVENING. SNOW ACCUMULATIONS THROUGH
EARLY EVENING WILL VARY FROM 2 TO 4 INCHES. IN ADDITION...
NORTHERLY WINDS WILL INCREASE TO 25 TO 35 MPH...CREATING BLOWING
SNOW AND DANGEROUSLY COLD WIND CHILLS...DROPPING TO 10 BELOW TO
20 BELOW ZERO TUESDAY NIGHT.

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.

&&

$$

IAZ020-NEZ013-014-SDZ070-071-101215-
/O.CAN.KFSD.WW.Y.0014.000000T0000Z-090310T0900Z/
/O.CON.KFSD.WW.Y.0013.090310T1200Z-090311T0000Z/
PLYMOUTH-DIXON-DAKOTA-CLAY-UNION-
INCLUDING THE CITIES OF...LE MARS...WAKEFIELD...PONCA...ALLEN...
SOUTH SIOUX CITY...VERMILLION...NORTH SIOUX CITY...BERESFORD...
ELK POINT...ALCESTER...JEFFERSON
1107 PM CDT MON MAR 9 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 AM TO 7 PM
CDT TUESDAY...
...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE
WINTER WEATHER ADVISORY FOR TONIGHT. A WINTER WEATHER ADVISORY
REMAINS IN EFFECT FROM 7 AM TO 7 PM CDT TUESDAY.

PATCHY FREEZING DRIZZLE WILL MIX WITH FLURRIES TONIGHT. HOWEVER...
MORE SIGNIFICANT ICING UP TO A TENTH OF AN INCH...IS EXPECTED TO
OCCUR EARLY TUESDAY MORNING AS LIGHT FREEZING RAIN DEVELOPS. THE
FREEZING RAIN WILL TRANSITION TO SNOW ON TUESDAY... STARTING BY
MID MORNING AROUND SIOUX CITY AND BY MIDDAY EASTWARD TOWARD STORM
LAKE. SNOW MAY BE BRIEFLY HEAVY DURING THE EARLY AFTERNOON...BUT
WILL ALSO TAPER OFF DURING THE AFTERNOON. THIS WILL LIMIT SNOW
ACCUMULATION TO LESS THAN 2 INCHES. AS NORTH WINDS INCREASE TO A
GUSTY 25 TO 35 MPH...SOME AREAS OF BLOWING SNOW WILL BE POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

SDZ038-052-053-101215-
/O.CON.KFSD.WS.W.0003.090310T1200Z-090311T0300Z/
BEADLE-JERAULD-SANBORN-
INCLUDING THE CITIES OF...HURON...WESSINGTON SPRINGS...ALPENA...
WOONSOCKET
1107 PM CDT MON MAR 9 2009

...WINTER STORM WARNING REMAINS IN EFFECT FROM 7 AM TO 10 PM CDT
TUESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 7 AM TO 10 PM CDT
TUESDAY. 

SNOWFALL WILL SPREAD INTO THE AREA ON TUESDAY MORNING. SNOW WILL
CONTINUE HEAVY AT TIMES THROUGH THE AFTERNOON...BEFORE TAPERING
OFF TUESDAY EVENING. TOTAL SNOW ACCUMULATIONS ARE EXPECTED TO VARY
FROM 3 TO 6 INCHES. NORTHERLY WINDS WILL INCREASE TO A GUSTY 25 TO
35 MPH TUESDAY AFTERNOON AND EVENING. THIS WILL CREATE WIDESPREAD
BLOWING SNOW WITH VISIBILITIES AS LOW AS A QUARTER TO HALF MILE AT
TIMES. WIND CHILLS BY TUESDAY EVENING WILL DIP TO 10 BELOW TO 20
BELOW ZERO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW 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.

&&

$$

SDZ050-057>059-063-064-101215-
/O.CON.KFSD.WW.Y.0013.090310T1200Z-090311T0000Z/
GREGORY-BRULE-AURORA-DAVISON-CHARLES MIX-DOUGLAS-
INCLUDING THE CITIES OF...GREGORY...BURKE...CHAMBERLAIN...
KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...
WAGNER...PLATTE...LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT
1107 PM CDT MON MAR 9 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 AM TO 7 PM
CDT TUESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 AM TO 7 PM CDT
TUESDAY. 

MORE SIGNIFICANT WINTER WEATHER IS EXPECTED TO DEVELOP ON
TUESDAY...WHEN A PERIOD OF SNOWFALL...HEAVY AT TIMES...WILL SPREAD
NORTHEAST ACROSS THE AREA DURING THE MORNING...GRADUALLY TAPERING
OFF FROM SOUTH TO NORTH IN THE AFTERNOON. TOTAL SNOW ACCUMULATION
BY TUESDAY EVENING WILL VARY FROM AN INCH TO TWO NEAR THE NEBRASKA
BORDER...TO 3 TO 4 INCHES ALONG AND NORTH OF INTERSTATE 90.
NORTHERLY WINDS WILL INCREASE TO A GUSTY 25 TO 35 MPH...CREATING
AREAS OF BLOWING SNOW...AND DRIVING WIND CHILLS WELL BELOW ZERO.

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.

&&

$$

IAZ002-003-013-014-101215-
/O.CON.KFSD.WW.Y.0013.090310T1200Z-090311T0300Z/
OSCEOLA-DICKINSON-OBRIEN-CLAY-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...SPENCER
1107 PM CDT MON MAR 9 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 AM TO 10 PM
CDT TUESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 AM TO 10 PM
CDT TUESDAY. 

AS TEMPERATURES FALL TONIGHT...AREAS OF DENSE FOG AND DRIZZLE
WILL WILL CHANGE TO FREEZING DRIZZLE OR LIGHT FREEZING RAIN...
WITH SOME LIGHT ICE ACCUMULATIONS BY DAYBREAK. CONDITIONS WILL
DETERIORATE RAPIDLY ON TUESDAY WITH SNOW EXPECTED TO BREAK OUT
AND BECOME WIDESPREAD TUESDAY MORNING. SNOW WILL BE BRIEFLY
HEAVY...TAPERING OFF BY LATER IN THE AFTERNOON AND EVENING. SNOW
ACCUMULATIONS THROUGH EARLY EVENING WILL VARY FROM 2 TO 4 INCHES.
IN ADDITION... NORTHERLY WINDS WILL INCREASE TO 25 TO 35 MPH...
CREATING BLOWING SNOW AND DANGEROUSLY COLD WIND CHILLS...DROPPING
TO 10 BELOW TO 20 BELOW ZERO TUESDAY NIGHT.

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.

&&

$$

IAZ021-022-031-032-101215-
/O.CON.KFSD.WW.Y.0013.090310T1200Z-090311T0000Z/
CHEROKEE-BUENA VISTA-WOODBURY-IDA-
INCLUDING THE CITIES OF...CHEROKEE...STORM LAKE...SIOUX CITY...
IDA GROVE...HOLSTEIN...BATTLE CREEK
1107 PM CDT MON MAR 9 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 AM TO 7 PM
CDT TUESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 AM TO 7 PM CDT
TUESDAY. 

AS TEMPERATURES COOL TONIGHT...AREAS OF DENSE FOG AND DRIZZLE
WILL CHANGE TO FREEZING DRIZZLE WITH SOME LIGHT ICE ACCUMULATION.
HOWEVER...MORE SIGNIFICANT ICING UP TO A TENTH OF AN INCH...IS
EXPECTED TO OCCUR EARLY TUESDAY MORNING AS LIGHT FREEZING RAIN
DEVELOPS. THE FREEZING RAIN WILL TRANSITION TO SNOW ON TUESDAY...
STARTING BY MID MORNING AROUND SIOUX CITY AND BY MIDDAY EASTWARD
TOWARD STORM LAKE. SNOW MAY BE BRIEFLY HEAVY DURING THE EARLY
AFTERNOON...BUT WILL ALSO TAPER OFF DURING THE AFTERNOON. THIS
WILL LIMIT SNOW ACCUMULATION TO LESS THAN 2 INCHES. AS NORTH
WINDS INCREASE TO A GUSTY 25 TO 35 MPH...SOME AREAS OF BLOWING
SNOW WILL BE POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$
RSR
000 
WWUS43 KFSD 100840
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
340 AM CDT TUE MAR 10 2009

.LOW PRESSURE OVER EASTERN KANSAS EARLY THIS MORNING...WILL LIFT
ACROSS SOUTHEAST IOWA INTO WISCONSIN BY THIS EVENING. A STRONG UPPER
LEVEL WAVE ASSOCIATED WITH THIS SYSTEM WILL MOVE ACROSS THE NORTHERN
PLAINS TODAY...PRODUCING A BROAD AREA OF MODERATE TO HEAVY SNOW...
ALONG WITH INCREASING NORTHERLY WINDS AND COLD TEMPERATURES.

ONGOING SNOW OVER THE WESTERN PLAINS WILL SPREAD INTO THE AREA THIS
MORNING...WITH THE HEAVIEST SNOWFALL LIFTING NORTH OF INTERSTATE 90
DURING THE AFTERNOON. MID LEVEL MOISTURE AHEAD OF THE WAVE APPEARS TO
BE MORE LIMITED THAN EARLIER EXPECTED...WHICH WILL REDUCE SNOWFALL
AMOUNTS ACROSS THE AREA. BY LATE THIS EVENING...SNOWFALL AMOUNTS ARE
EXPECTED TO RANGE FROM 2 TO 4 INCHES ALONG HIGHWAY 14...AROUND 1 INCH
THROUGH THE INTERSTATE 90 CORRIDOR...WITH LESS THAN AN INCH EXPECTED
FROM THE LOWER MISSOURI RIVER VALLEY INTO MOST OF NORTHWEST IOWA.

NORTHERLY WINDS WILL INCREASE TO 25 TO 35 MPH BY EARLY AFTERNOON...
CREATING WIDESPREAD BLOWING SNOW IN THE AREAS RECEIVING THE HEAVIER
SNOWFALL TODAY. THE STRONG WINDS WILL ALSO COMBINE WITH BELOW NORMAL
TEMPERATURES TO PRODUCE WIND CHILLS FROM 10 BELOW TO 20 BELOW ZERO
BY THIS EVENING.

SDZ038-039-052>055-101645-
/O.CAN.KFSD.WS.W.0003.090310T1200Z-090311T0300Z/
/O.NEW.KFSD.WW.Y.0015.090310T1200Z-090311T0300Z/
BEADLE-KINGSBURY-JERAULD-SANBORN-MINER-LAKE-
INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...WESSINGTON SPRINGS...ALPENA...WOONSOCKET...
HOWARD...MADISON
340 AM CDT TUE MAR 10 2009

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 AM THIS MORNING TO
10 PM CDT THIS EVENING...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT
FROM 7 AM THIS MORNING TO 10 PM CDT THIS EVENING. THE WINTER
STORM WARNING HAS BEEN CANCELLED. 

SNOWFALL WILL EXPAND ACROSS THE AREA THIS MORNING...THEN CONTINUE
THROUGH THE AFTERNOON BEFORE TAPERING OFF THIS EVENING. TOTAL SNOW
ACCUMULATIONS WILL RANGE FROM 1 TO 4 INCHES...WITH THE HIGHEST
AMOUNTS EXPECTED NORTH OF HIGHWAY 14. NORTHERLY WINDS WILL INCREASE
TO A GUSTY 25 TO 35 MPH THIS AFTERNOON AND EVENING. THIS WILL CREATE
WIDESPREAD BLOWING SNOW WITH VISIBILITIES AS LOW AS A QUARTER TO HALF
MILE AT TIMES. WIND CHILLS BY TUESDAY EVENING WILL DIP TO 10 BELOW TO
20 BELOW ZERO.

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.

&&

$$

MNZ071-072-080-081-097-SDZ040-056-101645-
/O.CAN.KFSD.WS.W.0003.090310T1200Z-090311T0600Z/
/O.NEW.KFSD.WW.Y.0015.090310T1500Z-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
340 AM CDT TUE MAR 10 2009

...WINTER WEATHER ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO
1 AM CDT WEDNESDAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT
FROM 10 AM THIS MORNING TO 1 AM CDT WEDNESDAY. THE WINTER STORM
WARNING HAS BEEN CANCELLED. 

SNOW WILL MOVE INTO THE AREA THIS MORNING...BECOMING WIDESPREAD
THROUGH THE AFTERNOON AND EARLY EVENING BEFORE TAPERING OFF TOWARD
MIDNIGHT. TOTAL SNOW ACCUMULATIONS WILL RANGE FROM 1 TO 4 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 QUARTER TO HALF MILE AT TIMES. WIND CHILLS BY THIS EVENING
WILL DIP TO 10 BELOW TO 20 BELOW ZERO.

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.

&&

$$

IAZ020>022-031-032-NEZ013-014-SDZ050-057>060-063>065-068>071-
100945-
/O.CAN.KFSD.WW.Y.0013.090310T1200Z-090311T0000Z/
PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA-DIXON-DAKOTA-GREGORY-
BRULE-AURORA-DAVISON-HANSON-CHARLES MIX-DOUGLAS-HUTCHINSON-
BON HOMME-YANKTON-CLAY-UNION-
INCLUDING THE CITIES OF...LE MARS...CHEROKEE...STORM LAKE...
SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...WAKEFIELD...
PONCA...ALLEN...SOUTH SIOUX CITY...GREGORY...BURKE...
CHAMBERLAIN...KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...
MITCHELL...ALEXANDRIA...EMERY...WAGNER...PLATTE...LAKE ANDES...
MARTY...ARMOUR...CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...
TRIPP...TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR...
YANKTON...VERMILLION...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
340 AM CDT TUE MAR 10 2009

...WINTER WEATHER ADVISORY IS CANCELLED...

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

PERIODS OF LIGHT SNOW ARE STILL EXPECTED TODAY. HOWEVER...TOTAL
ACCUMULATIONS ALONG AND SOUTH OF THE INTERSTATE 90 CORRIDOR ARE
EXPECTED TO REMAIN AROUND AN INCH OR LESS...WITH HEAVIER SNOWFALL
REMAINING NORTH OF THE AREA. EVEN WITH THE LIGHTER SNOWFALL...AREAS
OF BLOWING SNOW WILL BE POSSIBLE IN OPEN AREAS THIS AFTERNOON...AND
MOTORISTS SHOULD BE PREPARED FOR PERIODS OF REDUCED VISIBILITY.

$$

IAZ001>003-012>014-MNZ089-090-098-SDZ061-062-066-067-100945-
/O.CAN.KFSD.WW.Y.0013.090310T1200Z-090311T0300Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-NOBLES-JACKSON-ROCK-
MCCOOK-MINNEHAHA-TURNER-LINCOLN-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...WORTHINGTON...JACKSON...LAKEFIELD...LUVERNE...SALEM...
CANISTOTA...BRIDGEWATER...MONTROSE...SIOUX FALLS...PARKER...
CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...
LENNOX...TEA...HARRISBURG
340 AM CDT TUE MAR 10 2009

...WINTER WEATHER ADVISORY IS CANCELLED...

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

PERIODS OF LIGHT SNOW ARE STILL EXPECTED TODAY. HOWEVER...TOTAL
ACCUMULATIONS ALONG AND SOUTH OF THE INTERSTATE 90 CORRIDOR ARE
EXPECTED TO REMAIN AROUND AN INCH OR LESS...WITH HEAVIER SNOWFALL
REMAINING NORTH OF THE AREA. EVEN WITH THE LIGHTER SNOWFALL...AREAS
OF BLOWING SNOW WILL BE POSSIBLE IN OPEN AREAS THIS AFTERNOON...AND
MOTORISTS SHOULD BE PREPARED FOR PERIODS OF REDUCED VISIBILITY.

$$
 JH

What forecasters said that day

The local office's own words before this winter storm warning 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 winter storm warning went out at Mar 9, 3:10 PM CDT, 55 minutes earlier.

Area forecast discussion, Mar 9, 3:10 PM CDT, 55 minutes before
AREA FORECAST DISCUSSION FOR SOUTHEAST SD/SOUTHWEST MN/NORTHWEST IA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
310 PM CDT MON MAR 9 2009

.DISCUSSION...

CONTINUING TO SEE STRATUS AND REDUCED VISIBILITIES ACROSS THE AREA
THIS AFTERNOON...AND EXPECT THESE CONDITIONS TO PERSIST THROUGH MUCH
OF THE NIGHT. A COLD FRONT PRESENTLY LOCATED THROUGH THE CENTRAL
PORTIONS OF THE CWA WILL CONTINUE TO SAG SLOWLY TO THE
SOUTHEAST...USHERING COLDER AIR IN BEHIND IT. MAIN ISSUE TONIGHT
WILL BE THE PRESENCE OF DRIZZLE AND FREEZING DRIZZLE WITH WEAK LIFT
AND ABUNDANT MOISTURE BELOW 800 MB. VERY DRY AIR ABOVE THIS
LEVEL...SO NOT EXPECTING MUCH IN THE WAY OF MEASURABLE PRECIPITATION
UNTIL AFTER 09Z TONIGHT. COULD SQUEEZE OUT SOME FLURRIES OVER OUR
NORTHWESTERN AREAS AS WE GO THROUGH THE NIGHT HOWEVER...IN SPITE OF
THE DRY MID LEVEL AIR...WITH A SHALLOW LAYER OF TEMPERATURES AROUND
-13 TO -14 C BETWEEN 875 AND 925 MB. IT WILL BE WARM ENOUGH IN OUR
SOUTHEAST EARLY IN THE NIGHT THAT ANYTHING THAT FALLS SHOULD BE IN
THE LIQUID FORM BEFORE COLDER AIR DRAINS INTO THE AREA. WILL BE
FAIRLY BREEZY THROUGH THE NIGHT WITH THE CWA BEING IN A SQUEEZE PLAY
BETWEEN STRENGTHENING LOW PRESSURE OVER THE SOUTHERN PLAINS AND HIGH
PRESSURE OVER THE FAR NORTHERN PLAINS.  /JM

QUITE AN INTERESTING FCST FOR TUES AS UPPER TROF LIFTS NEWD ACRS
CWA. BEST FOCUS FOR LIFT WL BE FM MID MORN ON AND WOULD EXPECT A
BAND OF FAIRLY MODERATE PRECIP TO DEVELOP ALONG MID LEVEL FNT ACRS
SW CWA AND THEN SPREAD NEWD DURING THE MORN. BULK OF PRECIP WL BE
SNOW...BUT FAR SERN CWA MAY ACTUALLY START OUT AS ZR- BEFORE
CHANGING TO SNOW. NEXT QUESTION IS WHERE HEAVIEST SNOW OCCURS. FEEL
THE BAND OF PRECIP WL LIFT INTO NRN CWA...N OF I90 AND THEN REMAIN
ACRS ECNTRL SD INTO PORTIONS OF SW MN AS TROWAL TYPE SNOW DEVELOPS.
GFS 300K PRES INDICATES THE HEAVIEST OF THIS WUD SET UP JUST N OF
CWA...BUT STILL FAR ENUF S THAT AREAS FM HON-BKX-MML CUD SEE 6
INCHES OR MORE OF SNOW. FURTHER S...SNOW SHUD END IN THE AFTN AS
FNTL BAND LIFTS TO THE N. THEN AS S/W LIFTS NEWD...STG CAA WL OCCUR
AND WILL CREATE GUSTY NW WNDS WHICH WL SPREAD FM W TO E ACRS CWA
ALONG WITH FALLING TEMPS. WL LIKELY SEE WDSPRD BLOWING SNOW ESPEC N
OF I90...BUT WNDS MAY NOT BE STG ENUF FOR BLIZZARD CONDS...ESPEC
SINCE STRONGEST WNDS WL LIKELY OCCUR TUES NITE WHEN SNOW BEGINS TO
TAPER OFF. SO FOR THIS REASON WL CHANGE WINTER STORM WATCH AND
BLIZZARD WATCH TO A WINTER STORM WARNING TUES INTO TUES NIGHT...WITH
WINTER WX ADVYS ELSEWHERE ACRS THE CWA. LIKELY WL NEED SOME SORT WND
CHILL ADVYS LATER TUES NITE AS SNOW ENDS...BUT WL LET LATER SHIFTS
ADJUST THAT AFTER SNOW ENDS. EXPECT HIGH TEMPS ON TUES TO OCCUR
AROUND 12Z AND THEN SLOWLY FALL FM W TO E WITH STG CAA.

CAA AND STRONG WNDS WL CONT TUES NITE INTO WED MORN AND SHUD SEE SUB
ZERO TEMPS WED MORN...ESPEC OVR AREAS WITH DEEPEST SNOW COVER. THIS
ALONG WITH THE WNDS WL CREATE BITTERLY COLD WND CHILLS. WITH 1040
HIGH SETTING IN OVR CNTRL SD ON WED...HIGH TEMPS WL STRUGGLE TO
CLIMB OUT OF SINGLE DIGITS OVR NERN CWA WITH TEENS ESLEWHERE. THIS
IS A GOOD 20 TO 30 DEG BLO NORM FOR THIS TIME OF YEAR.

WED NITE WL BE COLD BUT SOME WAA CLOUDS WL SPREAD FM SW TO NE ACRS
CWA LATER WED NITE...SO LOW TEMPS MAY BOTTOM OUT AROUND 06Z BEFORE
STARTING TO CLIMB. SE LOW LEVELR INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.

SDZ001>005-009-010-012>017-092100-
NORTHWEST AND NORTH CENTRAL SOUTH DAKOTA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BUFFALO          N/A      6  -1  73 N14       30.08F WCI -11
FAITH            N/A      6   0  76 N24       30.14F WCI -16
MOBRIDGE       CLOUDY     9   2  73 N20       30.15F WCI -10

SDZ012>016-024>037-041>051-057-063-072>074-092100-
SOUTHWEST AND SOUTH CENTRAL SOUTH DAKOTA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
RAPID CITY     LGT SNOW  10   5  80 N23       30.08F WCI -10
SPEARFISH      LGT SNOW   7   1  78 N8        30.07F WCI  -6
CUSTER         LGT SNOW  16  12  84 S3        29.84F VSB 1
PHILIP         CLOUDY    12   5  73 N22       30.13F WCI  -7
PINE RIDGE     LGT SNOW  13   6  74 N15       30.03F WCI  -3
PIERRE         LGT SNOW  12   8  84 N22G32    30.13S FOG     WCI  -7
WINNER         LGT SNOW  15  11  83 N21G31    30.06F FOG     WCI  -2

SDZ004>011-016>023-039-040-092100-
NORTHEAST SOUTH DAKOTA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ABERDEEN       FLURRIES  14   9  80 N21G33    30.12F WCI  -4
WATERTOWN      CLOUDY    21  20  96 N17       29.99F FOG     WCI   7
BROOKINGS      CLOUDY    32  28  86 NE3       29.96F
SISSETON         N/A     18  15  88 N26       30.07S WCI  -1

SDZ017-020-022-023-036>040-048>070-092100-
SOUTHEAST SOUTH DAKOTA

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
SIOUX FALLS    DRIZZLE   34  31  88 E7        29.93F FOG     WCI  28
YANKTON        CLOUDY    34  32  93 CALM      29.95S
MITCHELL       FRZ RAIN  23  19  85 N24G32    30.01S FOG     WCI   7
HURON          FRZ RAIN  19  17  92 N20G25    30.05S FOG     WCI   3
CHAMBERLAIN      N/A     17  13  84 N20       30.05F WCI   1

ABBREVIATIONS USED IN REMARKS
   TC - TEMPERATURE IN CELSIUS
  WCI - WIND CHILL INDEX
   HX - HEAT INDEX
  VSB - VISIBILITY
Hazardous weather outlook, Mar 9, 5:46 AM CDT, 10 hours 19 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SIOUX FALLS SD
0446 AM CST MON MAR 09 2009

SDZ038>040-050-052>071-MNZ071-072-080-081-089-090-097-098-
IAZ001>003-012>014-020>022-031-032-NEZ013-014-101200-
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-
0446 AM CST MON MAR 09 2009

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

.DAY ONE...TODAY AND TONIGHT

WINTER WEATHER...
CHANCES FOR WINTRY WEATHER WILL BEGIN TO INCREASE TONIGHT AS A
STRONG STORM SYSTEM APPROACHES. FREEZING DRIZZLE IS EXPECTED TO
DEVELOP IN SOME AREAS OF SOUTHEAST SOUTH DAKOTA...SOUTHWEST
MINNESOTA...AND NORTHWEST IOWA TONIGHT. ONLY LIGHT ACCUMULATIONS
OF FREEZING DRIZZLE ARE EXPECTED...ALTHOUGH EVEN LIGHT AMOUNTS
MAY MAKE ROAD SURFACES SLICK.

INTO CENTRAL SOUTH DAKOTA SNOW IS EXPECTED TO DEVELOP LATE
TONIGHT...HOWEVER THE MAIN SNOW ACCUMULATIONS WILL OCCUR DURING
THE DAY ON TUESDAY.

FOG...
WIDESPREAD DENSE FOG WILL REDUCE VISIBILITY TO A QUARTER MILE OR
LESS THIS MORNING. THE FOG IS EXPECTED TO PERSIST THROUGH MID
MORNING...WITH VISIBILITIES BEGINNING TO IMPROVE BY 10 AM.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

A MAJOR WINTER STORM WILL MOVE ACROSS THE NORTHERN PLAINS TUESDAY
AND TUESDAY NIGHT. SNOW WILL SPREAD EAST ACROSS THE AREA ON
TUESDAY...WITH VERY STRONG WINDS LIKELY DEVELOPING TUESDAY
AFTERNOON INTO TUESDAY NIGHT. THIS COMBINATION WILL PRODUCE
WINTRY WEATHER AND POOR TRAVEL CONDITIONS OVER MUCH OF THE
REGION...AND BRING A POTENTIAL FOR BLIZZARD CONDITIONS TO
NORTHEAST SOUTH DAKOTA AND CENTRAL MINNESOTA. ALTHOUGH MOST OF
THE PRECIPITATION WILL FALL AS SNOW WITH THIS STORM
SYSTEM...THERE IS THE POTENTIAL FOR A PERIOD OF FREEZING RAIN
TUESDAY MORNING ACROSS NORTHWEST IOWA AND SOUTHWEST
MINNESOTA...AND FAR SOUTHEAST SOUTH DAKOTA.

.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

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 9, 3:44 AM CDTDense Fog AdvisoryFSDBrookings, Clay, Lake, Lincoln, McCook, Minnehaha and 3 more6 hr
Mar 9, 3:45 AM CDTBlizzard WatchFSDBrookings12 hr
Mar 9, 10:01 AM CDTDense Fog AdvisoryFSDBrookings, Clay, Lake, Lincoln, McCook, Minnehaha and 3 more119 min
Mar 9, 4:05 PM CDTWinter Weather AdvisoryFSDAurora, Bon Homme, Brule, Charles Mix, Clay, Davison and 10 more12 hr
Mar 9, 6:46 PM CDTWinter Weather AdvisoryFSDBon Homme, Brookings, Clay, Hanson, Hutchinson, Kingsbury and 9 more4 hr

Nearby

Winter Storm Warnings in South Dakota, 2009Winter Storm Warnings in Minnesota, 2009Every winter storm warning 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.