Alert archive / South Dakota / Snow Advisories in 2007

Snow Advisory 1, NWS Sioux Falls, SD

January 14, 20074 states

NWS Sioux Falls, SD issued this snow advisory at Jan 14, 2007, 3:50 AM CST for 4 states. It took effect at Jan 14, 2007, 11:15 AM CST. It was in force for 17 hr.

The area

The counties it named.

The facts

Issued
Jan 14, 2007, 3:50 AM CST (09:50 UTC)
In effect from
Jan 14, 2007, 11:15 AM CST
Expired
Jan 15, 2007, 3:57 AM CST
In force
17 hr
Issued by
NWS Sioux Falls, SD
All 39 counties

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

The radar

The Sioux Falls radar (KFSD), 26 km from the middle of the area, began a volume at 09:51 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 9.8 hours before the alert went out and 222 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Aberdeen, SD at 00:00Z on 2007-01-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 00:00Z on 2007-01-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 2 square meters per square second.1939587897117136Sfc1 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
980 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
2 m²/s²
0-3 km storm-relative helicity
5 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS43 KFSD 140950
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
350 AM CST SUN JAN 14 2007

.LOW PRESSURE ALOFT WILL MOVE NORTHEAST OVER COLORADO TODAY...THEN
REACH NORTHEAST NEBRASKA AND NORTHWEST IOWA LATE TONIGHT. THIS LOW
IS EXPECTED TO BRING WIDESPREAD LIGHT TO MODERATE SNOW TO
SOUTHEAST SOUTH DAKOTA...SOUTHWEST MINNESOTA...AND NORTHWEST IOWA
THIS AFTERNOON AND TONIGHT. THE SNOW MAY BECOME HEAVY AT TIMES
TONIGHT OVER PART OF SOUTHWEST MINNESOTA AND NORTHWEST IOWA WHERE
6 INCHES OR A LITTLE MORE MAY FALL BY MONDAY MORNING.
OTHERWISE...3 TO 6 INCHES OF TOTAL SNOWFALL CAN BE EXPECTED IN THE
ADVISORY AREAS...WITH LESSER AMOUNTS OF 1 TO 3 INCHES IN THE AREA
FROM CHAMBERLAIN TO MITCHELL AND NORTH TO HURON AND DE SMET.

NORTH WINDS WILL INCREASE THROUGH TODAY AND TONIGHT. WHILE THEY
SHOULD NOT BE EXCESSIVELY STRONG...THE WINDS WILL COMBINE WITH THE
DRY NATURE OF THE SNOW TO CAUSE AREAS OF BLOWING SNOW TONIGHT. IN
ADDITION...THE STIFF WINDS ARE EXPECTED TO LOWER WIND CHILL
READINGS TO THE 15 BELOW TO 25 BELOW ZERO RANGE OVER ALL OF THE
AREA LATE TONIGHT.

SDZ050-063>065-068-069-141800-
/O.NEW.KFSD.SN.Y.0001.070114T1800Z-070115T0600Z/
GREGORY-CHARLES MIX-DOUGLAS-HUTCHINSON-BON HOMME-YANKTON-
INCLUDING THE CITIES OF...GREGORY...BURKE...WAGNER...PLATTE...
LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT...PARKSTON...
FREEMAN...MENNO...TRIPP...TYNDALL...SCOTLAND...SPRINGFIELD...
AVON...TABOR...YANKTON
350 AM CST SUN JAN 14 2007

...SNOW ADVISORY IN EFFECT FROM NOON TODAY TO MIDNIGHT CST
TONIGHT...

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

SNOW IS EXPECTED TO DEVELOP LATE THIS MORNING AND INCREASE EARLY
THIS AFTERNOON. MODERATE SNOW SHOULD THEN CONTINUE INTO THIS
EVENING BEFORE DECREASING AFTER MIDNIGHT. SNOWFALL OF 1 TO 3
INCHES IS EXPECTED THIS AFTERNOON...WITH TOTAL SNOWFALL OF 3 TO 5
INCHES BY LATE TONIGHT. NORTH WINDS INCREASING TO 15 TO 25 MPH
WILL CAUSE AREAS OF BLOWING SNOW TONIGHT.

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

$$

IAZ020-031-032-NEZ013-014-SDZ070-071-141800-
/O.NEW.KFSD.SN.Y.0001.070114T2000Z-070115T0800Z/
PLYMOUTH-WOODBURY-IDA-DIXON-DAKOTA-CLAY-UNION-
INCLUDING THE CITIES OF...LE MARS...SIOUX CITY...IDA GROVE...
HOLSTEIN...BATTLE CREEK...WAKEFIELD...PONCA...ALLEN...
SOUTH SIOUX CITY...VERMILLION...NORTH SIOUX CITY...BERESFORD...
ELK POINT...ALCESTER...JEFFERSON
350 AM CST SUN JAN 14 2007

...SNOW ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 2 AM CST
MONDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 2 AM
CST MONDAY. 

SNOW IS EXPECTED TO DEVELOP EARLY THIS AFTERNOON...PRECEDED BY
FLURRIES THIS MORNING. THE SNOW WILL INCREASE DURING THE AFTERNOON
AND CONTINUE THROUGH MIDNIGHT TONIGHT BEFORE DECREASING. SNOWFALL
OF 1 TO 3 INCHES IS EXPECTED THIS AFTERNOON...WITH TOTAL SNOWFALL
OF 3 TO 6 INCHES BY LATE TONIGHT. NORTH WINDS INCREASING TO 15 TO
30 MPH WILL CAUSE AREAS OF BLOWING SNOW TONIGHT...MAINLY WHILE THE
SNOWFALL IS CONTINUING.

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

$$

IAZ001-012-MNZ071-072-097-098-SDZ040-055-056-060>062-066-067-
141800-
/O.NEW.KFSD.SN.Y.0001.070114T2200Z-070115T1000Z/
LYON-SIOUX-LINCOLN-PIPESTONE-ROCK-BROOKINGS-LAKE-MOODY-HANSON-
MCCOOK-MINNEHAHA-TURNER-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...TYLER...HENDRICKS...
LAKE BENTON...IVANHOE...MARSHALL...PIPESTONE...LUVERNE...
BROOKINGS...MADISON...FLANDREAU...ALEXANDRIA...EMERY...SALEM...
CANISTOTA...BRIDGEWATER...MONTROSE...SIOUX FALLS...PARKER...
CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...
LENNOX...TEA...HARRISBURG
350 AM CST SUN JAN 14 2007

...SNOW ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM CST
MONDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM
CST MONDAY. 

SNOW IS EXPECTED TO DEVELOP BY MID AFTERNOON...PRECEDED BY
FLURRIES THIS MORNING. THE SNOW WILL INCREASE LATE THIS AFTERNOON
AND CONTINUE MOST OF TONIGHT...THEN DECREASE BEFORE DAYBREAK. SNOWFALL
OF 1 TO 2 INCHES IS EXPECTED LATE THIS AFTERNOON...WITH TOTAL
SNOWFALL OF 3 TO 6 INCHES BY DAYBREAK MONDAY. NORTH WINDS
INCREASING TO 15 TO 30 MPH WILL CAUSE AREAS OF BLOWING SNOW
TONIGHT.

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

$$

IAZ002-003-013-014-021-022-MNZ080-081-089-090-141800-
/O.NEW.KFSD.WS.A.0001.070115T0000Z-070115T1200Z/
OSCEOLA-DICKINSON-OBRIEN-CLAY-CHEROKEE-BUENA VISTA-MURRAY-
COTTONWOOD-NOBLES-JACKSON-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...SPENCER...CHEROKEE...
STORM LAKE...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...
WORTHINGTON...JACKSON...LAKEFIELD
350 AM CST SUN JAN 14 2007

...WINTER STORM WATCH IN EFFECT FROM THIS EVENING THROUGH LATE
TONIGHT...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM THIS EVENING THROUGH LATE
TONIGHT. 

SNOW IS EXPECTED TO DEVELOP LATE THIS AFTERNOON...PRECEDED BY A
FEW FLURRIES. THE SNOW WILL INCREASE...BECOMING MODERATE AND
POSSIBLY HEAVY AT TIMES DURING TONIGHT. THE SNOW SHOULD DECREASE
BY DAYBREAK MONDAY. SNOWFALL OF 6 INCHES OR A LITTLE MORE IS
POSSIBLE. NORTH WINDS INCREASING TO 15 TO 30 MPH WILL CAUSE AREAS
OF BLOWING SNOW TONIGHT. TRAVEL WILL BECOME HAZARDOUS...AND MAY
BECOME VERY DIFFICULT IF THE HEAVY SNOW DEVELOPS.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.

$$
WILLIAMS
5 follow-up statements
000 
WWUS43 KFSD 141715
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1115 AM CST SUN JAN 14 2007

.LOW PRESSURE ALOFT WILL MOVE INTO NORTHWEST IOWA LATE TONIGHT.
THIS LOW IS EXPECTED TO BRING WIDESPREAD SNOW TO SOUTHEAST SOUTH
DAKOTA...SOUTHWEST MINNESOTA...AND NORTHWEST IOWA THIS AFTERNOON
AND TONIGHT. THE SNOW MAY BECOME HEAVY AT TIMES WITH AROUND 6
INCHES OF ACCUMULATION POSSIBLE IN SOME LOCATIONS. 

NORTH WINDS WILL INCREASE THROUGH TODAY AND TONIGHT. WHILE THEY
SHOULD NOT BE EXCESSIVELY STRONG...THE WINDS WILL COMBINE WITH
THE DRY NATURE OF THE SNOW TO CAUSE AREAS OF BLOWING SNOW. IN
ADDITION...WIND CHILL READINGS MAY WILL DROP TO 15 BELOW TO 20 BELOW
ZERO OVER MOST OF THE AREA LATE TONIGHT.

IAZ013-014-021-022-150115-
/O.UPG.KFSD.WS.A.0001.070115T0000Z-070115T1200Z/
/O.EXB.KFSD.SN.Y.0001.070114T1715Z-070115T1000Z/
OBRIEN-CLAY-CHEROKEE-BUENA VISTA-
INCLUDING THE CITIES OF...SHELDON...HARTLEY...SANBORN...SPENCER...
CHEROKEE...STORM LAKE
1115 AM CST SUN JAN 14 2007

...SNOW ADVISORY IN EFFECT UNTIL 4 AM CST MONDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT UNTIL 4 AM CST MONDAY. THE WINTER
STORM WATCH IS NO LONGER IN EFFECT. 

SNOW WILL DEVELOP LATE THIS MORNING...AND CONTINUE THROUGH MUCH OF
THE NIGHT. TOTAL SNOWFALL AMOUNTS WILL BE IN THE 3 TO 5 INCH
RANGE...WITH SLIGHTLY HIGHER AMOUNTS EXPECTED FARTHER TO THE NORTH
AND WEST. IN ADDITION TO THE SNOW...WIND GUSTS AROUND 20 MPH WILL
CREATE SOME BLOWING AND DRIFTING SNOW AS WELL AS REDUCE THE WIND
CHILL TO 15 BELOW TO 20 BELOW ZERO.

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

$$

IAZ002-003-MNZ080-081-089-090-150115-
/O.UPG.KFSD.WS.A.0001.070115T0000Z-070115T1200Z/
/O.EXB.KFSD.SN.Y.0001.070114T1900Z-070115T1000Z/
OSCEOLA-DICKINSON-MURRAY-COTTONWOOD-NOBLES-JACKSON-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...
WORTHINGTON...JACKSON...LAKEFIELD
1115 AM CST SUN JAN 14 2007

...SNOW ADVISORY IN EFFECT UNTIL 4 AM CST MONDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT UNTIL 4 AM CST MONDAY. THE WINTER
STORM WATCH IS NO LONGER IN EFFECT. 

SNOW WILL DEVELOP EARLY THIS AFTERNOON...AND CONTINUE THROUGH MUCH OF
THE NIGHT. TOTAL SNOWFALL AMOUNTS WILL BE IN THE 4 TO 6 INCH
RANGE...WITH A FEW LOCATIONS POSSIBLY REACHING 7 INCHES. IN
ADDITION TO THE SNOW...WIND GUSTS AROUND 20 MPH WILL CREATE SOME
BLOWING AND DRIFTING SNOW AS WELL AS REDUCE THE WIND CHILL TO 15
BELOW TO 20 BELOW ZERO.

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

$$

SDZ054-059-150115-
/O.EXB.KFSD.SN.Y.0001.070114T1900Z-070115T1000Z/
MINER-DAVISON-
INCLUDING THE CITIES OF...HOWARD...MITCHELL
1115 AM CST SUN JAN 14 2007

...SNOW ADVISORY IN EFFECT UNTIL 4 AM CST MONDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT UNTIL 4 AM CST MONDAY. 

SNOW WILL DEVELOP EARLY THIS AFTERNOON...AND CONTINUE THROUGH MUCH OF
THE NIGHT. TOTAL SNOWFALL AMOUNTS WILL BE IN THE 3 TO 5 INCH
RANGE. THE HEAVIEST SNOW SHOULD BE JUST TO THE SOUTH AND EAST OF
THE AREA. IN ADDITION TO THE SNOW...WIND GUSTS AROUND 20 MPH WILL
CREATE SOME BLOWING AND DRIFTING SNOW AS WELL AS REDUCE THE WIND
CHILL TO 15 BELOW TO 20 BELOW ZERO.

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

$$

NEZ013-SDZ050-063>070-150115-
/O.EXT.KFSD.SN.Y.0001.070114T1715Z-070115T1000Z/
DIXON-GREGORY-CHARLES MIX-DOUGLAS-HUTCHINSON-TURNER-LINCOLN-
BON HOMME-YANKTON-CLAY-
INCLUDING THE CITIES OF...WAKEFIELD...PONCA...ALLEN...GREGORY...
BURKE...WAGNER...PLATTE...LAKE ANDES...MARTY...ARMOUR...CORSICA...
DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP...PARKER...
CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...
LENNOX...TEA...HARRISBURG...TYNDALL...SCOTLAND...SPRINGFIELD...
AVON...TABOR...YANKTON...VERMILLION
1115 AM CST SUN JAN 14 2007

...SNOW ADVISORY NOW IN EFFECT UNTIL 4 AM CST MONDAY...

THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 4 AM CST MONDAY. 

SNOW WILL CONTINUE THROUGH THE AFTERNOON...THEN DECREASE IN
INTENSITY AFTER ABOUT 900 PM THIS EVENING. TOTAL SNOWFALL AMOUNTS
WILL BE IN THE 4 TO 7 INCH RANGE. IN ADDITION TO THE SNOW...WIND
GUSTS AROUND 20 MPH WILL CREATE SOME BLOWING AND DRIFTING SNOW AS
WELL AS REDUCE THE WIND CHILL TO 15 BELOW TO 20 BELOW ZERO.

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

$$

IAZ012-020-031-032-NEZ014-SDZ071-150115-
/O.EXT.KFSD.SN.Y.0001.070114T1715Z-070115T1000Z/
SIOUX-PLYMOUTH-WOODBURY-IDA-DAKOTA-UNION-
INCLUDING THE CITIES OF...ORANGE CITY...SIOUX CENTER...LE MARS...
SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...
SOUTH SIOUX CITY...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
1115 AM CST SUN JAN 14 2007

...SNOW ADVISORY NOW IN EFFECT UNTIL 4 AM CST MONDAY...

THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 4 AM CST MONDAY. 

SNOW WILL CONTINUE THROUGH THE AFTERNOON...THEN DECREASE IN
INTENSITY AFTER ABOUT MIDNIGHT. TOTAL SNOWFALL AMOUNTS WILL BE IN
THE 3 TO 6 INCH RANGE...WITH A BETTER CHANCE FOR HIGHER AMOUNTS AS
YOU APPROACH INTERSTATE 90. IN ADDITION TO THE SNOW...WIND GUSTS
AROUND 20 MPH WILL CREATE SOME BLOWING AND DRIFTING SNOW AS WELL
AS REDUCE THE WIND CHILL TO 15 BELOW TO 20 BELOW ZERO.

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

$$

IAZ001-MNZ071-072-097-098-SDZ040-055-056-060>062-150115-
/O.EXT.KFSD.SN.Y.0001.070114T1900Z-070115T1000Z/
LYON-LINCOLN-PIPESTONE-ROCK-BROOKINGS-LAKE-MOODY-HANSON-MCCOOK-
MINNEHAHA-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...
MARSHALL...PIPESTONE...LUVERNE...BROOKINGS...MADISON...
FLANDREAU...ALEXANDRIA...EMERY...SALEM...CANISTOTA...
BRIDGEWATER...MONTROSE...SIOUX FALLS
1115 AM CST SUN JAN 14 2007

...SNOW ADVISORY NOW IN EFFECT UNTIL 4 AM CST MONDAY...

THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 4 AM CST MONDAY. 

SNOW WILL CONTINUE THROUGH THE AFTERNOON...THEN DECREASE IN
INTENSITY AFTER ABOUT MIDNIGHT. TOTAL SNOWFALL AMOUNTS WILL BE IN
THE 4 TO 7 INCH RANGE. IN ADDITION TO THE SNOW...WIND GUSTS AROUND
20 MPH WILL CREATE SOME BLOWING AND DRIFTING SNOW AS WELL AS
REDUCE THE WIND CHILL TO 15 BELOW TO 20 BELOW ZERO.

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

$$

08
000 
WWUS43 KFSD 142205
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
405 PM CST SUN JAN 14 2007

.LOW PRESSURE ALOFT WILL MOVE ACROSS NORTHWEST IOWA...SOUTHEAST
SOUTH DAKOTA...AND SOUTHWEST MINNESOTA LATE TONIGHT. THIS LOW
PRESSURE SYSTEM WILL PRODUCE WIDESPREAD SNOW. THE SNOW MAY BE HEAVY
AT TIMES WITH UP TO 7 INCHES OF ACCUMULATION POSSIBLE IN SOME
LOCATIONS ACROSS SOUTHWEST MINNESOTA AND NORTHWEST IOWA.

NORTH WINDS WILL INCREASE TONIGHT...BRINGING DRYER COLDER AIR INTO
THE REGION. WHILE WINDS WILL NOT BE EXCESSIVELY STRONG...WINDS WILL
COMBINE WITH SNOW TO CAUSE AREAS OF BLOWING SNOW. IN ADDITION...
WIND CHILL READINGS WILL DROP TO 15 BELOW TO 20 BELOW ZERO OVER
MOST OF THE AREA LATE TONIGHT.

NEZ013-SDZ050-063>070-150615-
/O.CON.KFSD.SN.Y.0001.000000T0000Z-070115T1000Z/
DIXON-GREGORY-CHARLES MIX-DOUGLAS-HUTCHINSON-TURNER-LINCOLN-
BON HOMME-YANKTON-CLAY-
INCLUDING THE CITIES OF...WAKEFIELD...PONCA...ALLEN...GREGORY...
BURKE...WAGNER...PLATTE...LAKE ANDES...MARTY...ARMOUR...CORSICA...
DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP...PARKER...
CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...
LENNOX...TEA...HARRISBURG...TYNDALL...SCOTLAND...SPRINGFIELD...
AVON...TABOR...YANKTON...VERMILLION
405 PM CST SUN JAN 14 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 AM CST MONDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 AM CST MONDAY. 

SNOW WILL CONTINUE THROUGH THE AFTERNOON...THEN DECREASE IN
INTENSITY AFTER ABOUT 900 PM THIS EVENING...AND THEN ENDING AROUND
4 AM TONIGHT. TOTAL SNOWFALL AMOUNTS WILL BE IN THE 3 TO 5 INCH
RANGE. IN ADDITION TO THE SNOW...WIND GUSTS AROUND 20 MPH WILL
CREATE SOME BLOWING AND DRIFTING SNOW...AS WELL AS REDUCE THE WIND
CHILL TO 15 BELOW TO 20 BELOW ZERO.

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

$$

IAZ012>014-020>022-031-032-NEZ014-SDZ071-150615-
/O.CON.KFSD.SN.Y.0001.000000T0000Z-070115T1000Z/
SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA-
DAKOTA-UNION-
INCLUDING THE CITIES OF...ORANGE CITY...SIOUX CENTER...SHELDON...
HARTLEY...SANBORN...SPENCER...LE MARS...CHEROKEE...STORM LAKE...
SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...
SOUTH SIOUX CITY...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
405 PM CST SUN JAN 14 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 AM CST MONDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 AM CST MONDAY. 

SNOW WILL CONTINUE THROUGH THE EVENING HOURS AND ARE EXPECTED TO
TAPER OFF LATE THIS EVENING. TOTAL SNOWFALL AMOUNTS WILL BE IN THE 
3 TO 5 INCH RANGE. IN ADDITION TO THE SNOW...WIND GUSTS AROUND 20
MPH WILL CREATE SOME BLOWING AND DRIFTING SNOW...AS WELL AS REDUCE
THE WIND CHILL TO 15 BELOW TO 20 BELOW ZERO.

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

$$

IAZ001>003-MNZ071-072-080-081-089-090-097-098-SDZ040-054>056-
059>062-150615-
/O.CON.KFSD.SN.Y.0001.000000T0000Z-070115T1000Z/
LYON-OSCEOLA-DICKINSON-LINCOLN-MURRAY-COTTONWOOD-NOBLES-JACKSON-
PIPESTONE-ROCK-BROOKINGS-MINER-LAKE-MOODY-DAVISON-HANSON-MCCOOK-
MINNEHAHA-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
TYLER...HENDRICKS...LAKE BENTON...IVANHOE...MARSHALL...SLAYTON...
FULDA...WINDOM...MOUNTAIN LAKE...WORTHINGTON...JACKSON...
LAKEFIELD...PIPESTONE...LUVERNE...BROOKINGS...HOWARD...MADISON...
FLANDREAU...MITCHELL...ALEXANDRIA...EMERY...SALEM...CANISTOTA...
BRIDGEWATER...MONTROSE...SIOUX FALLS
405 PM CST SUN JAN 14 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 AM CST MONDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 AM CST MONDAY. 

SNOW WILL CONTINUE THROUGH THE EVENING...DECREASING IN INTENSITY
BY MIDNIGHT...WITH SNOW ENDING LATE TONIGHT. TOTAL SNOWFALL
AMOUNTS WILL BE IN THE 4 TO 7 INCH RANGE. IN ADDITION TO THE
SNOW...WIND GUSTS AROUND 20 MPH WILL CREATE SOME BLOWING AND
DRIFTING SNOW AS WELL AS REDUCE THE WIND CHILL TO 15 BELOW TO 20
BELOW ZERO.

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

$$

LIEBL
000 
WWUS43 KFSD 142336
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
536 PM CST SUN JAN 14 2007

.LOW PRESSURE ALOFT WILL MOVE ACROSS THE CENTRAL PLAINS TONIGHT
AND MONDAY MORNING. THIS SYSTEM WILL PRODUCE WIDESPREAD SNOW. THE
SNOW MAY BE HEAVY AT TIMES...WITH MOST LOCATIONS RECEIVING 3 TO 6
INCHES IN THE ADVISORY AREA. HOWEVER IN THE WARNING AREA...AMOUNTS
WILL BE HEAVIER WITH 5 TO 8 INCH AMOUNTS COMMON.

NORTH WINDS WILL INCREASE TONIGHT...BRINGING DRYER COLDER AIR
INTO THE REGION. WHILE WINDS WILL NOT BE EXCESSIVELY STRONG...
THEY WILL COMBINE WITH SNOW TO CAUSE AREAS OF BLOWING SNOW. IN
ADDITION... WIND CHILL READINGS WILL DROP TO 15 BELOW TO 20 BELOW
ZERO OVER MOST OF THE AREA LATE TONIGHT.

IAZ001>003-012-013-020-031-MNZ080-081-089-090-098-NEZ013-014-
SDZ067-071-150745-
/O.UPG.KFSD.SN.Y.0001.000000T0000Z-070115T1000Z/
/O.NEW.KFSD.WS.W.0001.070114T2336Z-070115T1000Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-PLYMOUTH-WOODBURY-MURRAY-
COTTONWOOD-NOBLES-JACKSON-ROCK-DIXON-DAKOTA-LINCOLN-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
LE MARS...SIOUX CITY...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...
WORTHINGTON...JACKSON...LAKEFIELD...LUVERNE...WAKEFIELD...PONCA...
ALLEN...SOUTH SIOUX CITY...CANTON...LENNOX...TEA...HARRISBURG...
NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON
536 PM CST SUN JAN 14 2007

...WINTER STORM WARNING IN EFFECT UNTIL 4 AM CST MONDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
STORM WARNING...WHICH IS IN EFFECT UNTIL 4 AM CST MONDAY. THE
SNOW ADVISORY IS NO LONGER IN EFFECT. 

INDICATIONS ARE THAT A BAND OF HEAVY SNOW MAY BE RATHER PERSISTENT
IN THIS AREA THROUGH THE EVENING HOURS. THIS BAND HAS BEEN
PRODUCING AN INCH...UP TO ONE AND A HALF INCHES PER HOUR. THERE IS
ALSO A BAND OF SNOW MOVING NORTHEASTWARD FROM NORTHEAST NEBRASKA
TO THE SIOUX CITY AREA. AFTER THE EVENING HOURS...THE MECHANISMS
CAUSING THIS BAND OF HEAVY SNOW WILL BEGIN TO DIMINISH...WITH
LIGHT SNOW THEN EXPECTED FROM 10 PM TO 4 AM MONDAY. HOWEVER
OVERNIGHT...THE WIND WILL INCREASE BLOWING THE FALLEN SNOW AROUND. 
IN ADDITION TO THE SNOW...A BIT OF SNOW PELLETS MAY BE OBSERVED
IN PARTS OF NORTHWEST IOWA THIS EVENING. OVERALL THIS EVENING AND
TONIGHT...5 TO 8 INCHES OF SNOW WILL BE COMMON IN THE WARNING
AREA...WHICH IS ABOUT 35 MILES EITHER SIDE OF A LINE FROM SIOUX
CITY IOWA...TO WINDOM MINNESOTA.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND SLEET
ARE EXPECTED OR OCCURRING...COUPLED WITH WIND. THIS WILL MAKE
OVERNIGHT TRAVEL VERY HAZARDOUS.

$$

SDZ050-063>066-068>070-150745-
/O.CON.KFSD.SN.Y.0001.000000T0000Z-070115T1000Z/
GREGORY-CHARLES MIX-DOUGLAS-HUTCHINSON-TURNER-BON HOMME-YANKTON-
CLAY-
INCLUDING THE CITIES OF...GREGORY...BURKE...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
536 PM CST SUN JAN 14 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 AM CST MONDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 AM CST MONDAY. 

SNOW WILL CONTINUE THROUGH THE EARLY EVENING...THEN DECREASE IN
INTENSITY AFTER ABOUT 900 PM THIS EVENING...AND THEN ENDING
AROUND 4 AM TONIGHT. MOST TOTAL SNOWFALL AMOUNTS WILL BE IN THE 3
TO 5 INCH RANGE. IN ADDITION TO THE SNOW...WIND GUSTS AROUND 20
MPH WILL CREATE SOME BLOWING AND DRIFTING SNOW OVERNIGHT...AS WELL 
AS REDUCE THE WIND CHILL TO 15 BELOW TO 20 BELOW ZERO.

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

$$

IAZ014-021-022-032-150745-
/O.CON.KFSD.SN.Y.0001.000000T0000Z-070115T1000Z/
CLAY-CHEROKEE-BUENA VISTA-IDA-
INCLUDING THE CITIES OF...SPENCER...CHEROKEE...STORM LAKE...
IDA GROVE...HOLSTEIN...BATTLE CREEK
536 PM CST SUN JAN 14 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 AM CST MONDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 AM CST MONDAY. 

SNOW WILL CONTINUE THROUGH THE EVENING HOURS AND ARE EXPECTED TO
TAPER OFF LATE THIS EVENING. MOST TOTAL SNOWFALL AMOUNTS WILL BE
IN THE 3 TO 5 INCH RANGE. IN ADDITION TO THE SNOW...WIND GUSTS
AROUND 20 MPH WILL CREATE SOME BLOWING AND DRIFTING SNOW...AS WELL
AS REDUCE THE WIND CHILL TO 10 BELOW TO 20 BELOW ZERO.

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

$$

MNZ071-072-097-SDZ040-054>056-059>062-150745-
/O.CON.KFSD.SN.Y.0001.000000T0000Z-070115T1000Z/
LINCOLN-LYON-PIPESTONE-BROOKINGS-MINER-LAKE-MOODY-DAVISON-HANSON-
MCCOOK-MINNEHAHA-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...MARSHALL...PIPESTONE...BROOKINGS...HOWARD...MADISON...
FLANDREAU...MITCHELL...ALEXANDRIA...EMERY...SALEM...CANISTOTA...
BRIDGEWATER...MONTROSE...SIOUX FALLS
536 PM CST SUN JAN 14 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 AM CST MONDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 AM CST MONDAY. 

SNOW WILL CONTINUE THROUGH THE EVENING...DECREASING IN INTENSITY
BY MIDNIGHT...WITH SNOW ENDING LATE TONIGHT. MOST TOTAL SNOWFALL
AMOUNTS WILL BE IN THE 4 TO 7 INCH RANGE. IN ADDITION TO THE
SNOW...WIND GUSTS AROUND 20 MPH WILL CREATE SOME BLOWING AND
DRIFTING SNOW...AS WELL AS REDUCE THE WIND CHILL TO 15 BELOW TO
20 BELOW ZERO.

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

$$

MJF/LIEBL
000 
WWUS43 KFSD 150330
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
930 PM CST SUN JAN 14 2007

.LOW PRESSURE ALOFT WILL MOVE ACROSS THE CENTRAL PLAINS TONIGHT
AND MONDAY MORNING. THIS SYSTEM WILL PRODUCE WIDESPREAD SNOW. THE
SNOW MAY BE HEAVY AT TIMES...WITH MOST LOCATIONS RECEIVING 3 TO
6 INCHES IN THE ADVISORY AREA. HOWEVER IN THE WARNING AREA...
AMOUNTS WILL BE HEAVIER WITH 5 TO 9 INCH AMOUNTS COMMON.

NORTH WINDS WILL INCREASE TONIGHT...BRINGING DRYER COLDER AIR
INTO THE REGION. WHILE WINDS WILL NOT BE EXCESSIVELY STRONG...
THEY WILL COMBINE WITH SNOW TO CAUSE AREAS OF BLOWING SNOW. IN
ADDITION... WIND CHILL READINGS WILL DROP TO 15 BELOW TO 20 BELOW
ZERO OVER MOST OF THE AREA LATE TONIGHT...AND IN THE 20 BELOW TO
25 BELOW RANGE IN THE WIND CHILL ADVISORY AREA.

MNZ071-SDZ040-054>056-059-060-151130-
/O.CAN.KFSD.SN.Y.0001.000000T0000Z-070115T1000Z/
/O.NEW.KFSD.WC.Y.0002.070115T0330Z-070115T1500Z/
LINCOLN-BROOKINGS-MINER-LAKE-MOODY-DAVISON-HANSON-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...BROOKINGS...HOWARD...MADISON...FLANDREAU...MITCHELL...
ALEXANDRIA...EMERY
930 PM CST SUN JAN 14 2007

...SNOW ADVISORY IS CANCELLED...
...WIND CHILL ADVISORY IN EFFECT UNTIL 9 AM CST MONDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT UNTIL 9 AM CST MONDAY. THE
SNOW ADVISORY HAS BEEN CANCELLED. 

AREAS OF LIGHT SNOW WILL LINGER THROUGH THE OVERNIGHT HOURS...BUT
ACCUMULATIONS WILL LIKELY STAY AT 2 INCHES OR LESS. MORE
IMPORTANTLY...A WIND CHILL ADVISORY IS NOW IN EFFECT FOR WIND
CHILL VALUES AVERAGING 20 BELOW TO 25 DEGREES BELOW ZERO INTO
MONDAY MORNING.

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.

$$

SDZ050-063-064-150430-
/O.CAN.KFSD.SN.Y.0001.000000T0000Z-070115T1000Z/
GREGORY-CHARLES MIX-DOUGLAS-
INCLUDING THE CITIES OF...GREGORY...BURKE...WAGNER...PLATTE...
LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT
930 PM CST SUN JAN 14 2007

...SNOW ADVISORY IS CANCELLED...

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

LIGHT SNOW SHOWERS OR FLURRIES WILL LINGER OFF AN ON FOR MUCH OF
THE NIGHT...BUT ANY ACCUMULATIONS WILL BE MINOR. WIND CHILL VALUES
WILL AVERAGE 15 BELOW TO 20 BELOW HOWEVER.

$$

IAZ014-021-022-032-151000-
/O.UPG.KFSD.SN.Y.0001.000000T0000Z-070115T1000Z/
/O.EXA.KFSD.WS.W.0001.000000T0000Z-070115T1000Z/
CLAY-CHEROKEE-BUENA VISTA-IDA-
INCLUDING THE CITIES OF...SPENCER...CHEROKEE...STORM LAKE...
IDA GROVE...HOLSTEIN...BATTLE CREEK
930 PM CST SUN JAN 14 2007

...WINTER STORM WARNING IN EFFECT UNTIL 4 AM CST MONDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
STORM WARNING...WHICH IS IN EFFECT UNTIL 4 AM CST MONDAY. THE
SNOW ADVISORY IS NO LONGER IN EFFECT. 

SURFACE REPORTS HAVE REVEALED A WIDESPREAD 5 TO 6 INCHES IN THE
IDA GROVE AND STORM LAKE AREAS. WITH MORE SNOWFALL ON ITS WAY UP
FROM EASTERN NEBRASKA...A WIDESPREAD 6 TO 9 INCHES OF SNOW WILL
FALL IN THIS AREA. AFTER MIDNIGHT...THE SNOW WILL DECREASE IN
INTENSITY...BUT THE LIGHT SNOW WILL LIKELY LINGER THROUGH THE
NIGHT. AREAS OF BLOWING SNOW WILL ALSO BE FOUND...ESPECIALLY AFTER
MIDNIGHT AS WINDS CONTINUE AT 15 TO 20 MPH...PRODUCING WIND 
CHILL VALUES OF 10 BELOW TO 15 BELOW.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND SLEET 
ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS
WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

IAZ001>003-012-013-020-031-MNZ080-081-089-090-098-NEZ013-014-
SDZ067-071-151000-
/O.CON.KFSD.WS.W.0001.000000T0000Z-070115T1000Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-PLYMOUTH-WOODBURY-MURRAY-
COTTONWOOD-NOBLES-JACKSON-ROCK-DIXON-DAKOTA-LINCOLN-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
LE MARS...SIOUX CITY...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...
WORTHINGTON...JACKSON...LAKEFIELD...LUVERNE...WAKEFIELD...PONCA...
ALLEN...SOUTH SIOUX CITY...CANTON...LENNOX...TEA...HARRISBURG...
NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON
930 PM CST SUN JAN 14 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM CST MONDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM CST MONDAY. 

SNOW WILL BE WIDESPREAD THROUGH THE LATE EVENING HOURS AND ON
TOWARD ABOUT MIDNIGHT...AND COULD BE HEAVY AT TIMES. AFTER
MIDNIGHT...THE SNOW WILL LIKELY CONTINUE BUT WILL DECREASE IN
INTENSITY AS THE SYSTEM PULLS OFF TO THE EAST. ONE CAN EXPECT AN
AVERAGE OF 6 TO 9 INCHES IN THIS AREA. THERE WILL ALSO BE AREAS 
OF BLOWING SNOW AS THE WINDS WILL AVERAGE 15 TO 20 MPH TONIGHT.
THESE KINDS OF WIND SPEEDS WILL PRODUCE WIND CHILL VALUES OF 15
BELOW TO 20 DEGREES BELOW ZERO.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND
SLEET ARE EXPECTED OR OCCURRING...COUPLED WITH WIND. THIS WILL
MAKE OVERNIGHT TRAVEL VERY HAZARDOUS.

$$

SDZ038-039-052-053-057-058-151130-
/O.NEW.KFSD.WC.Y.0002.070115T0330Z-070115T1500Z/
BEADLE-KINGSBURY-JERAULD-SANBORN-BRULE-AURORA-
INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...WESSINGTON SPRINGS...ALPENA...WOONSOCKET...
CHAMBERLAIN...KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY
930 PM CST SUN JAN 14 2007

...WIND CHILL ADVISORY IN EFFECT UNTIL 9 AM CST MONDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT UNTIL 9 AM CST MONDAY. 

NORTH WINDS AVERAGING 15 TO 20 MPH WILL CREATE WIND CHILL VALUES
OF ABOUT 20 BELOW TO 25 DEGREES BELOW ZERO...INTO MONDAY MORNING.

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.

$$

SDZ065-066-068>070-151000-
/O.CON.KFSD.SN.Y.0001.000000T0000Z-070115T1000Z/
HUTCHINSON-TURNER-BON HOMME-YANKTON-CLAY-
INCLUDING THE CITIES OF...PARKSTON...FREEMAN...MENNO...TRIPP...
PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...
TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON...
VERMILLION
930 PM CST SUN JAN 14 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 AM CST MONDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 AM CST MONDAY. 

SNOW WILL CONTINUE THROUGH THE MIDNIGHT...THEN WILL BECOME QUITE
LIGHT. MOST LOCATIONS WILL RECEIVE AN AVERAGE OF 4 TO 7 INCHES OF
SNOW. THERE WILL ALSO BE AREAS OF BLOWING SNOW AS THE WINDS WILL
AVERAGE 15 TO 20 MPH TONIGHT. THESE KINDS OF WIND SPEEDS WILL
PRODUCE WIND CHILL VALUES OF 15 BELOW TO 20 DEGREES BELOW ZERO.

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

$$

MNZ072-097-SDZ061-062-151000-
/O.CON.KFSD.SN.Y.0001.000000T0000Z-070115T1000Z/
LYON-PIPESTONE-MCCOOK-MINNEHAHA-
INCLUDING THE CITIES OF...MARSHALL...PIPESTONE...SALEM...
CANISTOTA...BRIDGEWATER...MONTROSE...SIOUX FALLS
930 PM CST SUN JAN 14 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 AM CST MONDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 AM CST MONDAY. 

SNOW WILL CONTINUE THROUGH THE EVENING...DECREASING IN INTENSITY
BY MIDNIGHT...WITH SNOW ENDING LATE TONIGHT. MOST TOTAL SNOWFALL
AMOUNTS WILL BE IN THE 3 TO 5 INCH RANGE. THE LIGHTER AMOUNTS WILL
BE ON THE NORTH AND NORTHWEST SIDE OF THE ADVISORY. IN FACT...
MARSHALL MAY ONLY RECEIVE 2 INCHES OR LESS...AS THE NORTHERN EDGE
OF THE SNOWFALL HAS AN EXTREMELY SHARP CUTOFF. IN ADDITION TO THE
SNOW...WINDS OF 15 TO 20 MPH WILL CREATE AREAS OF BLOWING SNOW AND
WIND CHILL VALUES OF 10 BELOW TO 20 BELOW.

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

$$


MJF
000 
WWUS43 KFSD 150957
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
357 AM CST MON JAN 15 2007

.WEAKENING LOW PRESSURE ALOFT OVER SOUTHERN MINNESOTA EARLY THIS 
MORNING IS GOING TO MOVE RAPIDLY NORTHEAST INTO THE GREAT LAKES 
REGION TODAY. HIGH PRESSURE WILL MOVE OVER THE DAKOTAS THIS MORNING. 
LINGERING LIGHT SNOW THIS MORNING WILL END WITH LITTLE OR NO 
ADDITIONAL ACCUMULATIONS. MODERATELY STRONG NORTHWEST WINDS WILL 
CAUSE DRIFTING SNOW WHERE SEVERAL INCHES OF NEW SNOW FELL WITH A FEW 
AREAS OF BLOWING SNOW INTO THE MIDDLE PART OF THE DAY.

THE MODERATELY STRONG WINDS AND VERY COLD AIR WILL CAUSE WIND
CHILLS TO VARY FROM 20 BELOW TO 35 BELOW ZERO OVER SOUTHEAST SOUTH
DAKOTA...SOUTHWEST MINNESOTA...AND THE NORTHERN PART OF NORTHWEST
IOWA THIS MORNING. WIND CHILLS FURTHER SOUTH IN NORTHWEST IOWA AND
FAR NORTHEAST NEBRASKA SHOULD RANGE FROM 15 BELOW TO 20 BELOW ZERO
THIS MORNING.

IAZ001>003-012>014-MNZ080-081-089-090-098-SDZ067-151600-
/O.CAN.KFSD.WS.W.0001.000000T0000Z-070115T1000Z/
/O.EXB.KFSD.WC.Y.0002.070115T1000Z-070115T1600Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-MURRAY-COTTONWOOD-NOBLES-
JACKSON-ROCK-LINCOLN-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...
WORTHINGTON...JACKSON...LAKEFIELD...LUVERNE...CANTON...LENNOX...
TEA...HARRISBURG
357 AM CST MON JAN 15 2007

...WINTER STORM WARNING IS CANCELLED...
...WIND CHILL ADVISORY IN EFFECT UNTIL 10 AM CST THIS MORNING...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM CST THIS MORNING.
THE WINTER STORM WARNING HAS BEEN CANCELLED. 

LINGERING LIGHT SNOW WILL END THIS MORNING WITH NO ADDITIONAL
ACCUMULATION. A FEW AREAS OF BLOWING SNOW WITH LOCAL VISIBILITY
REDUCTIONS CAN BE EXPECTED...WHILE LOW LEVEL DRIFTING SNOW WILL BE
MORE WIDESPREAD.

NORTHWEST WINDS 15 TO 30 MPH AND LOWERING TEMPERATURES WILL
RESULT IN WIND CHILLS OF 15 BELOW TO 25 BELOW ZERO THIS MORNING.
SLOWLY DECREASING WINDS AND SLOWLY RISING TEMPERATURES WILL MAKE
THE WIND CHILLS LESS COLD THIS AFTERNOON.

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.

$$

IAZ020>022-031-032-NEZ013-014-SDZ071-151100-
/O.CAN.KFSD.WS.W.0001.000000T0000Z-070115T1000Z/
PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA-DIXON-DAKOTA-UNION-
INCLUDING THE CITIES OF...LE MARS...CHEROKEE...STORM LAKE...
SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...WAKEFIELD...
PONCA...ALLEN...SOUTH SIOUX CITY...NORTH SIOUX CITY...BERESFORD...
ELK POINT...ALCESTER...JEFFERSON
357 AM CST MON JAN 15 2007

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE
WINTER STORM WARNING.

LINGERING LIGHT SNOW WILL END THIS MORNING WITH NO ADDITIONAL
ACCUMULATION. A FEW AREAS OF BLOWING SNOW WITH LOCAL VISIBILITY
REDUCTIONS CAN BE EXPECTED...WHILE LOW LEVEL DRIFTING SNOW WILL BE
MORE WIDESPREAD.

$$

MNZ072-097-SDZ061-062-065-066-068>070-151600-
/O.CAN.KFSD.SN.Y.0001.000000T0000Z-070115T1000Z/
/O.EXB.KFSD.WC.Y.0002.070115T1000Z-070115T1600Z/
LYON-PIPESTONE-MCCOOK-MINNEHAHA-HUTCHINSON-TURNER-BON HOMME-
YANKTON-CLAY-
INCLUDING THE CITIES OF...MARSHALL...PIPESTONE...SALEM...
CANISTOTA...BRIDGEWATER...MONTROSE...SIOUX FALLS...PARKSTON...
FREEMAN...MENNO...TRIPP...PARKER...CENTERVILLE...MARION...
VIBORG...HURLEY...CHANCELLOR...TYNDALL...SCOTLAND...SPRINGFIELD...
AVON...TABOR...YANKTON...VERMILLION
357 AM CST MON JAN 15 2007

...SNOW ADVISORY IS CANCELLED...
...WIND CHILL ADVISORY IN EFFECT UNTIL 10 AM CST THIS MORNING...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM CST THIS MORNING.
THE SNOW ADVISORY HAS BEEN CANCELLED. 

LINGERING LIGHT SNOW WILL END THIS MORNING WITH NO ADDITIONAL
ACCUMULATION. A FEW AREAS OF BLOWING SNOW WITH LOCAL VISIBILITY
REDUCTIONS CAN BE EXPECTED...WHILE LOW LEVEL DRIFTING SNOW WILL BE
MORE WIDESPREAD.

NORTHWEST WINDS 15 TO 25 MPH AND LOWERING TEMPERATURES WILL
RESULT IN WIND CHILLS OF 20 BELOW TO 30 BELOW ZERO THIS MORNING.
SLOWLY DECREASING WINDS AND SLOWLY RISING TEMPERATURES WILL MAKE
THE WIND CHILLS LESS COLD THIS AFTERNOON.

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.

$$

SDZ050-063-064-151600-
/O.EXB.KFSD.WC.Y.0002.070115T1000Z-070115T1600Z/
GREGORY-CHARLES MIX-DOUGLAS-
INCLUDING THE CITIES OF...GREGORY...BURKE...WAGNER...PLATTE...
LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT
357 AM CST MON JAN 15 2007

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

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM CST THIS MORNING.

NORTHWEST WINDS 15 TO 25 MPH AND LOWERING TEMPERATURES WILL
RESULT IN WIND CHILLS OF 20 BELOW TO 30 BELOW ZERO THIS MORNING.
SLOWLY DECREASING WINDS AND SLOWLY RISING TEMPERATURES WILL MAKE
THE WIND CHILLS LESS COLD THIS AFTERNOON.

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-SDZ038>040-052>060-151600-
/O.EXT.KFSD.WC.Y.0002.070115T1000Z-070115T1600Z/
LINCOLN-BEADLE-KINGSBURY-BROOKINGS-JERAULD-SANBORN-MINER-LAKE-
MOODY-BRULE-AURORA-DAVISON-HANSON-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...HURON...DE SMET...ARLINGTON...LAKE PRESTON...
BROOKINGS...WESSINGTON SPRINGS...ALPENA...WOONSOCKET...HOWARD...
MADISON...FLANDREAU...CHAMBERLAIN...KIMBALL...PLANKINTON...
WHITE LAKE...STICKNEY...MITCHELL...ALEXANDRIA...EMERY
357 AM CST MON JAN 15 2007

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

THE WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL 10 AM CST THIS
MORNING. 

NORTHWEST WINDS 15 TO 25 MPH AND LOWERING TEMPERATURES WILL
RESULT IN WIND CHILLS OF 20 BELOW TO 35 BELOW ZERO THIS MORNING.
SLOWLY DECREASING WINDS AND SLOWLY RISING TEMPERATURES WILL MAKE
THE WIND CHILLS LESS COLD THIS AFTERNOON.

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

What forecasters said that day

The local office's own words before this snow 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 snow advisory went out at Jan 13, 8:55 PM CST, 6 hours 55 minutes earlier.

Area forecast discussion, Jan 13, 8:55 PM CST, 6 hours 55 minutes before
AREA FORECAST DISCUSSION FOR SOUTHEAST SD/SOUTHWEST MN/NORTHWEST IA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
855 PM CST SAT JAN 13 2007

.DISCUSSION...
JUST LAUNCHED AN UPDATE TO THE GRIDS. MAIN THING WAS TO RAISE THE
LOWS. MASSIVE OVERRUNNING CLOUD COVER IN PLACE OVR THE FSD FA. THE
ONLY PLACE THAT COULD SEE SOME BREAKS OVERNIGHT IS POSSIBLY IN OUR
FAR W...WHERE THEY ARE CLOSER TO A NARROW CLEARING LINE. HOWEVER...
THERE ARE MORE MID LVL CLOUDS TO THE WEST OF THAT CLEARING LINE. AT
ANY RATE...KEPT THE LOWS PRETTY CHILLY IN THOSE AREAS WITH SOME ROOM
TO GO DOWN IF THEY DO SEE SOME BREAKS. OTHERWISE...THE REST OF THE
FA WL LIKELY NOT DROP TOO MUCH. FLURRIES ARE HARD TO REFINE. AS
MENTIONED...OVERRUNNING CONTS TONIGHT WITH BROAD SCALE LIFT AS PER
THE TROP FIELDS. LIGHT 88D ECHOES HAVE BEEN OCCURRING ALL EVENING
AROUND KMHE...WITH THAT OBS SHOWING NOTHING. KSLB AND KSUX HAVE HAD
A FEW FLURRIES...AND EARLIER TONIGHT THERE WAS SOME -SN IN WINNER.
THEREFORE...LOOKED AT THE NEW NAM RH TIME SECTIONS AND DREW IN
FLURRIES WHERE THE LOW LVL MSTR IS THE HIGHEST. THOSE AREAS ARE
ACROSS OUR SOUTH...WHERE SOME SEMBLANCE OF MSTR EXISTS BLO H9-H85.
HEADING TOWARDS I90 AND NWD...IT IS VERY DRY BLO THAT LYR.

QUICK CURSORY GLANCE AT THE NEW NAM...SHOWS THAT IT IS PAINTING
QUITE A BIT OF QPF OVR A LARGE PART OF OUR FA SUN AFTERNOON AND
EVENING AS THE STRONG H5 WAVE KICKS OUT. THE WAVE IS STRONG...AND IT
ALL DEPENDS ON HOW MUCH WE CAN OVERCOME THE DRY LOW LYR. THE NAM HAS
NOT DONE REAL STELLAR IN SHOWING SNOWFALL WITH THIS EVENT.  WITNESS
LAST NIGHT. FOR THAT MATTER...IT HAS NOT DONE REAL WELL THIS WHOLE
WINTER. BUT SOMETHING FOR THE MID SHIFT TO CHEW ON. WL SEND OUT A
ZFP TEXT UPDATE BEFORE 10 PM FOR THE LOWS.

&&

.PREV DISCUSSION...
COLD CONDITIONS PERSISTING ACROSS THE REGION...WITH LITTLE CHANGE
ANTICIPATED THE NEXT COUPLE OF DAYS. OVERALL...MAIN CONCERNS WILL BE
THE SUNDAY NIGHT STORM SYSTEM. ETA MUCH MORE AGGRESSIVE IN BRINGING
ENERGY FARTHER NORTHWEST...BUT IS A BIT OF A LONER IN THAT RESPECT.
REGARDLESS...HAVE CONTINUED LOW POPS FROM THE SW CWA INTO THE NE
CWA...WITH CATEGORICAL POPS IN NW IA. LOOKS LIKE ENOUGH MOISTURE AND
MID AND UPPER LEVEL FORCING TO CREATE SOME SNOW. WITH SUCH COLD
CONDITIONS...SNOW RATIOS WILL BE SOMEWHERE AROUND 30 TO 1...SO JUST
A TENTH OF AN INCH OF LIQUID WILL KICK OUT 3 INCHES OF SNOW. WILL
NOT GO ADVISORY OR WATCH AT THIS TIME...BUT IF NAM SOLUTION CLOSER
TO FORTHCOMING REALITY...THEN 5 OR 6 INCHES OF SNOW WILL NOT BE OUT
OF THE QUESTION.

AFTER THIS...DRY CONDITIONS EXPECTED ON MONDAY AND TUESDAY.

TEMPERATURES ALWAYS TRICKY WITH ARCTIC AIR AND NO SNOW COVER...BUT
WITH THICKENING CLOUD COVER...WILL NOT SEE MUCH OF A DIURNAL RANGE
THROUGH MONDAY. AS THE MODIFIED ARCTIC HIGH LEAKS SOUTH ON MONDAY
NIGHT...WILL HAVE TO WATCH FOR SOME POTENTIALLY CHILLY LOWS.
OVERALL...MADE FEW CHANGES TO GOING TEMPERATURES.

FOR THE EXTENDED RANGE...WED THRU SAT...A FAIR DEGREE OF UNCERTAINTY
WITH DETAILS WITHIN SPLIT FLOW REGIME. LARGE POINT OF CONTENTION IS
HOW TO HANDLE STRONG TROUGH CURRENTLY IN ALEUTIANS...WITH QUESTIONS
OF HOW STRONG TO MAINTAIN AND HOW FAR WWRD TO DIG TOWARD SWRN US AT
START OF EXTENDED. TREND IN SLNS...STARTING WITH SEVERAL 12Z RUNS
YDA...WAS TO DIG STRONGER AND FARTHER TO W...A TREND WHICH HAS
CONTINUED WITH 12Z OPERATIONAL GFS.  EFFECT IS TO KICK INITIAL SW
WAVE TOWARD CONFLUENCE ZONE IN E...WITH 12Z GFS/ECMWF MOST AGGRESSIVE
WITH BRINGING NWRD. CANADIAN OVERLY NRN STREAM DOMINANT...DGEX KEEPS
WELL TO S WITH SIMILAR TIMING...BUT VERY DRY AS WELL.
DYNAMICALLY...ENSEMBLE SET INDICATES A FAIR SPREAD...BUT MOST
MEMBERS A BIT MORE NRN STREAM ENERGY THAN OPERATIONAL BY THU. REALLY
NO CONSISTENCY CARD TO PLAY TODAY...SO WL GO WITH BLEND OF 00Z
GFS/06Z DGEX DYNAMICALLY...EITHER OF WHICH REMAINS DRY. EARLY WEEK
ARCTIC HIGH RETREATS SE TUE NIGHT...BUT SOME QUESTION ON WHETHER
THERE WILL BE ENOUGH SNOWCOVER ACRS SE TO FORCE BOTTOMING OUT OF
TMPS DURING WK GRADIENT ON BACK SIDE OF RIDGE TUE EVENING. FAIRLY
BRISK GRADIENT ON WED...AND MUCH WARMER AIR ALFT AND SFC THRU
AREA...ESPECIALLY BETWEEN REMAINING SLAB SNOWCOVER W AND NEW
SNOWFALL SE.  STILL LOOKS ON TRACK FOR PREFRONTAL TROUGH TO PASS BY
EARLY THU...BUT COLD AIR SHUD LINGER UNTIL MAIN WAVE PASSES LATER IN
DAY...ALLOWING FOR CONTINUED MILD POTENTIAL THU.  BY FRI INTO
SAT...MUCH MORE NRN STREAM INFLUENCE INDICATED BY SUITE OF MDLS WITH
BULK OF DYNAMICS FOCUSED TO N AND NE OF AREA...FAVORING CONTINUED
DRY FCST. WITH DEGREE OF UNCERTAINTY...NOT A STRONG SIGNAL TO
STRAY...AND KEPT WITHIN A FEW DEGREES OF GUIDANCE FOR THE MOST PART.

&&

.FSD WATCHES/WARNINGS/ADVISORIES...
IA...NONE.
MN...NONE.
NE...NONE.
SD...NONE.

&&
Hazardous weather outlook, Jan 13, 5:18 AM CST, 22 hours 32 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SIOUX FALLS SD
0518 AM CST SAT JAN 13 2007

SDZ038>040-050-052>071-MNZ071-072-080-081-089-090-097-098-
IAZ001>003-012>014-020>022-031-032-NEZ013-014-141200-
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-
0518 AM CST SAT JAN 13 2007

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

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

THERE IS THE POTENTIAL FOR 2 TO 4 INCHES OF SNOWFALL ALONG WITH
AREAS OF BLOWING SNOW ALONG AND SOUTHEAST OF A LINE FROM JACKSON
MINNESOTA TO SIOUX CITY IOWA FROM LATE SUNDAY AFTERNOON THROUGH
SUNDAY NIGHT. THE SYSTEM THAT WOULD CAUSE THIS SNOW IS NOT CLEAR
CUT AT THIS TIME...SO STAY TUNED FOR LATER FORECASTS.

IN ADDITION...WIND CHILLS SHOULD DROP TO AROUND 25 BELOW ZERO
FROM SOUTHEAST SOUTH DAKOTA TO SOUTHWEST MINNESOTA LATER SUNDAY
NIGHT INTO EARLY MONDAY AS NORTHERLY WINDS OF 10 TO 20 MPH
PREDOMINATE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.

&&

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

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 14, 3:50 AM CSTWinter Storm WatchFSDCottonwood, Jackson, Murray, Nobles7 hr
Jan 14, 5:36 PM CSTWinter Storm WarningFSDCottonwood, Jackson, Murray, Nobles, Rock10 hr

Nearby

Snow Advisories in South Dakota, 2007Snow Advisories in Iowa, 2007Snow Advisories in Minnesota, 2007Every snow advisory in 2007

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.