Alert archive / South Dakota / Snow Advisories in 2008

Snow Advisory 4, NWS Sioux Falls, SD

February 10, 20084 states

NWS Sioux Falls, SD issued this snow advisory at Feb 10, 2008, 9:43 PM CST for 4 states. It took effect at Feb 11, 2008, 3:33 AM CST. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued
Feb 10, 2008, 9:43 PM CST (03:43 UTC)
In effect from
Feb 11, 2008, 3:33 AM CST
Expired
Feb 12, 2008, 3:11 AM CST
In force
24 hr
Issued by
NWS Sioux Falls, SD
All 45 counties

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

The radar

The Sioux Falls radar (KFSD), 16 km from the middle of the area, began a volume at 03:45 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, 3.7 hours before the alert went out and 202 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Aberdeen, SD at 00:00Z on 2008-02-11Temperature 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 2008-02-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 square meters per square second.1939587897Sfc1 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
1383 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
296 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 110343
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
943 PM CST SUN FEB 10 2008

.UPPER LEVEL LOW PRESSURE WILL MOVE INTO SOUTH DAKOTA TONIGHT AND
MOVE EAST OF THE AREA BY MONDAY NIGHT. THIS LOW PRESSURE...COUPLED
WITH A VERY STRONG FRONT IN THE MID LEVELS...WILL BRING ABOUT A
GENERAL 2 TO 4 INCHES OF SNOW...ESPECIALLY TO LOCATIONS ALONG AND
NORTH OF INTERSTATE 90. THERE IS THE POTENTIAL THIS FRONT COULD
STALL AND CREATE A PERIOD OF HEAVY SNOWFALL...ESPECIALLY FROM LATE
MONDAY MORNING THROUGH EARLY MONDAY AFTERNOON...NEAR THE DE
SMET...BROOKINGS...HOWARD AND MADISON LOCATIONS.

MNZ071-SDZ038>040-053>056-060-061-111145-
/O.NEW.KFSD.SN.Y.0004.080211T1200Z-080212T0100Z/
LINCOLN-BEADLE-KINGSBURY-BROOKINGS-SANBORN-MINER-LAKE-MOODY-
HANSON-MCCOOK-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...HURON...DE SMET...ARLINGTON...LAKE PRESTON...
BROOKINGS...WOONSOCKET...HOWARD...MADISON...FLANDREAU...
ALEXANDRIA...EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE
943 PM CST SUN FEB 10 2008

...SNOW ADVISORY IN EFFECT FROM 6 AM TO 7 PM CST MONDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT FROM 6 AM TO 7 PM CST MONDAY. 

PERIODS OF FLURRIES AND PATCHY LIGHT SNOW WILL BE POSSIBLE
THROUGHOUT THE NIGHT...BUT A MORE STEADY AND MEASURABLE SNOW IS
EXPECTED TO DEVELOP ON MONDAY MORNING. THE SNOW COULD BECOME
HEAVY AT TIMES...ESPECIALLY NEAR THE BROOKINGS...DE SMET...HOWARD
AND MADISON LOCATIONS. BY MONDAY NIGHT...MOST LOCATIONS SHOULD SEE
A FRESH 2 TO 4 INCHES OF SNOW WITH THE AFOREMENTIONED LOCATIONS
POSSIBLY RECEIVING AROUND 5 INCHES. SOUTHEAST WINDS WILL GUST O
AROUND 25 MPH AT TIMES...CREATING LOCALIZED AREAS OF BLOWING AND
DRIFTING SNOW.

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
6 follow-up statements
000 
WWUS43 KFSD 110933
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
333 AM CST MON FEB 11 2008

.UPPER LEVEL LOW PRESSURE WILL DROP SOUTHEAST ACROSS SOUTH DAKOTA
TODAY...AND INTO NORTHWEST IOWA THIS EVENING. WIDESPREAD SNOW IS
EXPECTED TO DEVELOP WITH THIS SYSTEM THIS MORNING AND CONTINUE
INTO THE EVENING. THE HEAVIEST SNOW IS EXPECTED TO FALL ALONG THE
INTERSTATE 90 CORRIDOR...WITH LESSER AMOUNTS TO THE NORTH AND
SOUTH.

SDZ052-057>059-064-065-111745-
/O.EXB.KFSD.SN.Y.0004.080211T1400Z-080212T0000Z/
JERAULD-BRULE-AURORA-DAVISON-DOUGLAS-HUTCHINSON-
INCLUDING THE CITIES OF...WESSINGTON SPRINGS...ALPENA...
CHAMBERLAIN...KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...
MITCHELL...ARMOUR...CORSICA...DELMONT...PARKSTON...FREEMAN...
MENNO...TRIPP
333 AM CST MON FEB 11 2008

...SNOW ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 6 PM CST
THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT FROM 8 AM THIS MORNING TO 6 PM CST
THIS AFTERNOON. 

SNOW WILL BECOME WIDESPREAD THIS MORNING AND PERSIST INTO THE
AFTERNOON. TOTAL SNOW ACCUMULATIONS OF 2 TO 5 INCHES CAN BE
EXPECTED...WITH THE HEAVIEST AMOUNTS ALONG THE INTERSTATE 90
CORRIDOR.

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>003-012>014-021-022-MNZ072-080-081-089-090-097-098-SDZ062-
066-067-111745-
/O.EXB.KFSD.SN.Y.0004.080211T1600Z-080212T0200Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-CHEROKEE-BUENA VISTA-
MURRAY-COTTONWOOD-NOBLES-JACKSON-PIPESTONE-ROCK-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...CHEROKEE...STORM LAKE...MARSHALL...SLAYTON...FULDA...
WINDOM...MOUNTAIN LAKE...WORTHINGTON...JACKSON...LAKEFIELD...
PIPESTONE...LUVERNE...SIOUX FALLS...PARKER...CENTERVILLE...
MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...LENNOX...TEA...
HARRISBURG
333 AM CST MON FEB 11 2008

...SNOW ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 8 PM CST
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 8 PM CST
THIS EVENING. 

AREAS OF LIGHT SNOW EARLY THIS MORNING...WILL GIVE WAY TO
WIDESPREAD SNOW LATER THIS MORNING...AND WILL CONTINUE DURING THE
AFTERNOON AND EVENING HOURS. TOTAL ACCUMULATIONS OF 2 TO 5 INCHES
CAN BE EXPECTED...WITH THE HEAVIEST AMOUNTS ALONG THE INTERSTATE
90 CORRIDOR.

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-SDZ038>040-053>056-060-061-111745-
/O.EXT.KFSD.SN.Y.0004.080211T1400Z-080212T0000Z/
LINCOLN-BEADLE-KINGSBURY-BROOKINGS-SANBORN-MINER-LAKE-MOODY-
HANSON-MCCOOK-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...HURON...DE SMET...ARLINGTON...LAKE PRESTON...
BROOKINGS...WOONSOCKET...HOWARD...MADISON...FLANDREAU...
ALEXANDRIA...EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE
333 AM CST MON FEB 11 2008

...SNOW ADVISORY NOW IN EFFECT FROM 8 AM THIS MORNING TO 6 PM CST
THIS AFTERNOON...

THE SNOW ADVISORY IS NOW IN EFFECT FROM 8 AM THIS MORNING TO 6 PM
CST THIS AFTERNOON. 

AREAS OF LIGHT SNOW EARLY THIS MORNING...WILL GIVE WAY TO
WIDESPREAD SNOW BY MID MORNING...AND WILL CONTINUE INTO THE
AFTERNOON. TOTAL SNOW ACCUMULATIONS OF 2 TO 4 INCHES CAN BE
EXPECTED.

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.

$$
000 
WWUS43 KFSD 111556
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
956 AM CST MON FEB 11 2008

.A LARGE AREA OF SNOW IS EXPECTED TO SPREAD ACROSS THE AREA THIS
MORNING AND EARLY THIS AFTERNOON. SNOW WILL BE HEAVY AT TIMES THIS
AFTERNOON AND THIS EVENING...ESPECIALLY SOUTH OF INTERSTATE 90. IN
ADDITION...WINDS OF 15 TO 25 MPH WILL RESULT IN BLOWING AND
DRIFTING SNOW. THE HEAVIEST SNOW IS EXPECTED TO FALL FROM
SOUTHEAST SOUTH DAKOTA INTO NORTHWEST IOWA...WITH DECREASING
AMOUNTS TO THE NORTH. SNOW IS EXPECTED TO DIMINISH THIS EVENING
WEST OF INTERSTATE 90...AND EAST OF INTERSTATE 29 AFTER MIDNIGHT.

SDZ050-063-068-120000-
/O.EXB.KFSD.SN.Y.0004.000000T0000Z-080212T0400Z/
GREGORY-CHARLES MIX-BON HOMME-
INCLUDING THE CITIES OF...GREGORY...BURKE...WAGNER...PLATTE...
LAKE ANDES...MARTY...TYNDALL...SCOTLAND...SPRINGFIELD...AVON...
TABOR
956 AM CST MON FEB 11 2008

...SNOW ADVISORY IN EFFECT UNTIL 10 PM CST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT UNTIL 10 PM CST THIS EVENING. 

AREAS OF LIGHT SNOW THIS MORNING...WILL GIVE WAY TO WIDESPREAD
SNOW TOWARD NOON. THE SNOW WILL CONTINUE INTO THE AFTERNOON AND
END DURING THE EVENING. TOTAL SNOW ACCUMULATIONS OF 3 TO 5 INCHES
CAN BE EXPECTED.

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-NEZ013-014-SDZ069>071-120000-
/O.EXB.KFSD.SN.Y.0004.080211T1600Z-080212T0600Z/
PLYMOUTH-WOODBURY-DIXON-DAKOTA-YANKTON-CLAY-UNION-
INCLUDING THE CITIES OF...LE MARS...SIOUX CITY...WAKEFIELD...
PONCA...ALLEN...SOUTH SIOUX CITY...YANKTON...VERMILLION...
NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON
956 AM CST MON FEB 11 2008

...SNOW ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT UNTIL MIDNIGHT CST TONIGHT. 

AREAS OF LIGHT SNOW THIS MORNING...WILL GIVE WAY TO WIDESPREAD
SNOW BY EARLY THIS AFTERNOON...AND WILL CONTINUE INTO THIS
EVENING. SNOW MAY BE HEAVY AT TIMES DURING THE AFTERNOON AND EARLY
EVENING. TOTAL SNOW ACCUMULATIONS OF 3 TO 6 INCHES CAN BE
EXPECTED.

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.

$$

IAZ032-120000-
/O.EXB.KFSD.SN.Y.0004.080211T1800Z-080212T1000Z/
IDA-
INCLUDING THE CITIES OF...IDA GROVE...HOLSTEIN...BATTLE CREEK
956 AM CST MON FEB 11 2008

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

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

AREAS OF LIGHT SNOW THIS MORNING...WILL GIVE WAY TO WIDESPREAD
SNOW BY MID AFTERNOON...AND WILL CONTINUE INTO THE EVENING. SNOW
MAY BE HEAVY AT TIMES LATE THIS AFTERNOON AND EARLY THIS EVENING. TOTAL
SNOW ACCUMULATIONS OF 3 TO 5 INCHES CAN BE EXPECTED.

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.

$$

SDZ038-039-052>054-057>060-064-065-120000-
/O.EXT.KFSD.SN.Y.0004.000000T0000Z-080212T0400Z/
BEADLE-KINGSBURY-JERAULD-SANBORN-MINER-BRULE-AURORA-DAVISON-
HANSON-DOUGLAS-HUTCHINSON-
INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...WESSINGTON SPRINGS...ALPENA...WOONSOCKET...
HOWARD...CHAMBERLAIN...KIMBALL...PLANKINTON...WHITE LAKE...
STICKNEY...MITCHELL...ALEXANDRIA...EMERY...ARMOUR...CORSICA...
DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP
956 AM CST MON FEB 11 2008

...SNOW ADVISORY NOW IN EFFECT UNTIL 10 PM CST THIS EVENING...

THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 10 PM CST THIS EVENING. 

WIDESPREAD SNOW IS EXPECTED TO DEVELOP LATE THIS MORNING AND EARLY
THIS AFTERNOON. SNOW MAY BE HEAVY AT TIMES DURING THE
AFTERNOON...ESPECIALLY ALONG AND SOUTH OF INTERSTATE 90. TOTAL
SNOW ACCUMULATIONS WILL RANGE FROM AROUND 2 INCHES NEAR HIGHWAY
14...TO 5 INCHES ALONG AND SOUTH OF INTERSTATE 90.

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-MNZ071-097-098-SDZ040-055-056-061-062-066-067-120000-
/O.EXT.KFSD.SN.Y.0004.080211T1600Z-080212T0600Z/
LYON-SIOUX-LINCOLN-PIPESTONE-ROCK-BROOKINGS-LAKE-MOODY-MCCOOK-
MINNEHAHA-TURNER-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...TYLER...HENDRICKS...
LAKE BENTON...IVANHOE...PIPESTONE...LUVERNE...BROOKINGS...
MADISON...FLANDREAU...SALEM...CANISTOTA...BRIDGEWATER...
MONTROSE...SIOUX FALLS...PARKER...CENTERVILLE...MARION...VIBORG...
HURLEY...CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG
956 AM CST MON FEB 11 2008

...SNOW ADVISORY NOW IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

THE SNOW ADVISORY IS NOW IN EFFECT UNTIL MIDNIGHT CST TONIGHT. 

AREAS OF LIGHT SNOW THIS MORNING...WILL GIVE WAY TO WIDESPREAD
SNOW BY EARLY AFTERNOON...AND WILL CONTINUE INTO THE EVENING. SNOW
MAY BE HEAVY AT TIMES FROM MID AFTERNOON INTO THE EVENING...
ESPECIALLY ALONG AND SOUTH OF INTERSTATE 90. TOTAL SNOW
ACCUMULATIONS WILL RANGE FROM AROUND 2 INCHES NEAR HIGHWAY 14...TO
AROUND 6 INCHES SOUTH OF INTERSTATE 90.

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-MNZ072-080-081-089-090-120000-
/O.EXT.KFSD.SN.Y.0004.080211T1800Z-080212T1000Z/
OSCEOLA-DICKINSON-OBRIEN-CLAY-CHEROKEE-BUENA VISTA-LYON-MURRAY-
COTTONWOOD-NOBLES-JACKSON-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...SPENCER...CHEROKEE...
STORM LAKE...MARSHALL...SLAYTON...FULDA...WINDOM...
MOUNTAIN LAKE...WORTHINGTON...JACKSON...LAKEFIELD
956 AM CST MON FEB 11 2008

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

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

AREAS OF LIGHT SNOW THIS MORNING...WILL GIVE WAY TO WIDESPREAD
SNOW BY MID AFTERNOON...AND WILL CONTINUE THROUGH THE EVENING. SNOW MAY
BE HEAVY AT TIMES FROM LATE THIS AFTERNOON INTO THE EVENING...
ESPECIALLY IN NORTHWEST IOWA. TOTAL SNOW ACCUMULATIONS WILL RANGE
FROM AROUND 2 INCHES NEAR HIGHWAY 14...TO AROUND 6 INCHES SOUTH
OF HIGHWAY 18.

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.

$$

SCHUMACHER
000 
WWUS43 KFSD 111612 AAA
WSWFSD

URGENT - WINTER WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1012 AM CST MON FEB 11 2008

.A LARGE AREA OF SNOW IS EXPECTED TO SPREAD ACROSS THE AREA THIS
MORNING AND EARLY THIS AFTERNOON. SNOW WILL BE HEAVY AT TIMES
THIS AFTERNOON AND THIS EVENING...ESPECIALLY SOUTH OF INTERSTATE
90. IN ADDITION...WINDS OF 15 TO 25 MPH WILL RESULT IN BLOWING
AND DRIFTING SNOW. THE HEAVIEST SNOW IS EXPECTED TO FALL FROM
SOUTHEAST SOUTH DAKOTA INTO NORTHWEST IOWA...WITH DECREASING
AMOUNTS TO THE NORTH. SNOW IS EXPECTED TO DIMINISH THIS EVENING
WEST OF INTERSTATE 29...AND EAST OF INTERSTATE 29 AFTER MIDNIGHT.

SDZ038-039-050-052>054-057>060-063>065-068-120015-
/O.CON.KFSD.SN.Y.0004.000000T0000Z-080212T0400Z/
BEADLE-KINGSBURY-GREGORY-JERAULD-SANBORN-MINER-BRULE-AURORA-
DAVISON-HANSON-CHARLES MIX-DOUGLAS-HUTCHINSON-BON HOMME-
INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...GREGORY...BURKE...WESSINGTON SPRINGS...ALPENA...
WOONSOCKET...HOWARD...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
1012 AM CST MON FEB 11 2008

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 10 PM CST THIS EVENING...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 10 PM CST THIS EVENING. 

AREAS OF LIGHT SNOW THIS MORNING...WILL GIVE WAY TO WIDESPREAD
SNOW TOWARD NOON. THE SNOW WILL CONTINUE INTO THE AFTERNOON AND
END DURING THE EVENING. TOTAL SNOW ACCUMULATIONS WILL RANGE FROM
AROUND 2 INCHES NEAR HIGHWAY 14...TO 5 INCHES ALONG AND SOUTH OF
INTERSTATE 90.

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.

$$

IAZ001-012-020-031-MNZ071-097-098-NEZ013-014-SDZ040-055-056-061-
062-066-067-069>071-120015-
/O.CON.KFSD.SN.Y.0004.000000T0000Z-080212T0600Z/
LYON-SIOUX-PLYMOUTH-WOODBURY-LINCOLN-PIPESTONE-ROCK-DIXON-DAKOTA-
BROOKINGS-LAKE-MOODY-MCCOOK-MINNEHAHA-TURNER-YANKTON-CLAY-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...LE MARS...SIOUX CITY...
TYLER...HENDRICKS...LAKE BENTON...IVANHOE...PIPESTONE...LUVERNE...
WAKEFIELD...PONCA...ALLEN...SOUTH SIOUX CITY...BROOKINGS...
MADISON...FLANDREAU...SALEM...CANISTOTA...BRIDGEWATER...
MONTROSE...SIOUX FALLS...PARKER...CENTERVILLE...MARION...VIBORG...
HURLEY...CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG...
YANKTON...VERMILLION...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
1012 AM CST MON FEB 11 2008

...SNOW ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT. 

AREAS OF LIGHT SNOW THIS MORNING...WILL GIVE WAY TO WIDESPREAD
SNOW BY EARLY AFTERNOON...AND WILL CONTINUE INTO THE EVENING.
SNOW MAY BE HEAVY AT TIMES FROM MID AFTERNOON INTO THE EVENING...
ESPECIALLY ALONG AND SOUTH OF INTERSTATE 90. TOTAL SNOW
ACCUMULATIONS WILL RANGE FROM AROUND 2 INCHES NEAR HIGHWAY 14...
TO AROUND 6 INCHES SOUTH OF INTERSTATE 90.

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.

$$

IAZ002-003-013-014-021-022-032-MNZ072-080-081-089-090-120015-
/O.CON.KFSD.SN.Y.0004.080211T1800Z-080212T1000Z/
OSCEOLA-DICKINSON-OBRIEN-CLAY-CHEROKEE-BUENA VISTA-IDA-LYON-
MURRAY-COTTONWOOD-NOBLES-JACKSON-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...SPENCER...CHEROKEE...
STORM LAKE...IDA GROVE...HOLSTEIN...BATTLE CREEK...MARSHALL...
SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...WORTHINGTON...
JACKSON...LAKEFIELD
1012 AM CST MON FEB 11 2008

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

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

AREAS OF LIGHT SNOW THIS MORNING...WILL GIVE WAY TO WIDESPREAD
SNOW BY MID AFTERNOON...AND WILL CONTINUE THROUGH THE EVENING.
SNOW MAY BE HEAVY AT TIMES FROM LATE THIS AFTERNOON INTO THE
EVENING... ESPECIALLY IN NORTHWEST IOWA. TOTAL SNOW ACCUMULATIONS
WILL RANGE FROM AROUND 2 INCHES NEAR HIGHWAY 14...TO AROUND
6 INCHES SOUTH OF HIGHWAY 18.

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.

$$

SCHUMACHER
000 
WWUS43 KFSD 112109 AAA
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
309 PM CST MON FEB 11 2008

.SNOW WILL CONTINUE ACROSS THE AREA LATE THIS AFTERNOON AND THIS
EVENING. THE SNOW WILL END WEST OF THE JAMES RIVER EARLY THIS
EVENING...AND WEST OF I29 BY MIDNIGHT. SNOW WILL END IN NORTHWEST
IOWA AFTER MIDNIGHT. SNOWFALL IS EXPECTED TO BE HEAVIEST SOUTH OF
INTERSTATE 90...WHERE UP TO 6 INCHES OF SNOW CAN BE EXPECTED IN
PORTIONS OF NORTHWEST IOWA. WINDS OF 15 TO 25 MPH THIS AFTERNOON
WILL CAUSE BLOWING AND DRIFTING SNOW IN OPEN AREAS. WINDS WILL
SLOWLY DIMINISH AFTER SUNSET.

MNZ071-SDZ040-112215-
/O.CAN.KFSD.SN.Y.0004.000000T0000Z-080212T0600Z/
LINCOLN-BROOKINGS-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...BROOKINGS
309 PM CST MON FEB 11 2008

...SNOW ADVISORY IS CANCELLED...

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

WHILE LIGHT SNOW IS EXPECTED THIS EVENING...SNOWFALL IS EXPECTED TO BE
LESS THAN 2 INCHES ACROSS THE AREA. THEREFORE THE SNOW ADVISORY
HAS BEEN CANCELLED.

$$

MNZ072-112215-
/O.CAN.KFSD.SN.Y.0004.000000T0000Z-080212T1000Z/
LYON-
INCLUDING THE CITY OF...MARSHALL
309 PM CST MON FEB 11 2008

...SNOW ADVISORY IS CANCELLED...

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

WHILE LIGHT SNOW IS EXPECTED THIS EVENING...SNOWFALL IS EXPECTED TO
BE LESS THAN 2 INCHES ACROSS THE AREA. THEREFORE THE SNOW ADVISORY
HAS BEEN CANCELLED.


$$

SDZ039-112215-
/O.CAN.KFSD.SN.Y.0004.000000T0000Z-080212T0400Z/
KINGSBURY-
INCLUDING THE CITIES OF...DE SMET...ARLINGTON...LAKE PRESTON
309 PM CST MON FEB 11 2008

...SNOW ADVISORY IS CANCELLED...

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

WHILE LIGHT SNOW IS EXPECTED LATE THIS AFTERNOON AND THIS
EVENING...SNOWFALL IS EXPECTED TO BE LESS THAN 2 INCHES ACROSS THE
AREA. THEREFORE THE SNOW ADVISORY HAS BEEN CANCELLED.


$$

SDZ038-050-052>054-057>060-063>065-068-120400-
/O.CON.KFSD.SN.Y.0004.000000T0000Z-080212T0400Z/
BEADLE-GREGORY-JERAULD-SANBORN-MINER-BRULE-AURORA-DAVISON-HANSON-
CHARLES MIX-DOUGLAS-HUTCHINSON-BON HOMME-
INCLUDING THE CITIES OF...HURON...GREGORY...BURKE...
WESSINGTON SPRINGS...ALPENA...WOONSOCKET...HOWARD...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
309 PM CST MON FEB 11 2008

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 10 PM CST THIS EVENING...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 10 PM CST THIS EVENING. 

SNOW WILL CONTINUE TO EXPAND ACROSS THE AREA THROUGH THE LATE
AFTERNOON...THEN SHOULD END BY LATE EVENING. SNOW MAY BE HEAVY 
AT TIMES LATE THIS AFTERNOON SOUTH OF INTERSTATE 90. TOTAL SNOW
ACCUMULATIONS WILL RANGE FROM AROUND 2 INCHES NEAR HIGHWAY 14...TO
AROUND 5 INCHES NEAR ALONG AND SOUTH OF INTERSTATE 90.

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.

$$

IAZ001-012-020-031-MNZ097-098-NEZ013-014-SDZ055-056-061-062-066-
067-069>071-120515-
/O.CON.KFSD.SN.Y.0004.000000T0000Z-080212T0600Z/
LYON-SIOUX-PLYMOUTH-WOODBURY-PIPESTONE-ROCK-DIXON-DAKOTA-LAKE-
MOODY-MCCOOK-MINNEHAHA-TURNER-LINCOLN-YANKTON-CLAY-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...LE MARS...SIOUX CITY...
PIPESTONE...LUVERNE...WAKEFIELD...PONCA...ALLEN...
SOUTH SIOUX CITY...MADISON...FLANDREAU...SALEM...CANISTOTA...
BRIDGEWATER...MONTROSE...SIOUX FALLS...PARKER...CENTERVILLE...
MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...LENNOX...TEA...
HARRISBURG...YANKTON...VERMILLION...NORTH SIOUX CITY...
BERESFORD...ELK POINT...ALCESTER...JEFFERSON
309 PM CST MON FEB 11 2008

...SNOW ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT. 

SNOW WILL CONTINUE INTO EARLY THIS EVENING...ENDING AROUND
MIDNIGHT. SNOW WILL BE HEAVY AT TIMES FROM MID AFTERNOON INTO THE
EVENING SOUTH OF INTERSTATE 90. TOTAL SNOW ACCUMULATIONS WILL
RANGE FROM AROUND 3 INCHES NEAR HIGHWAY 34...TO AROUND 6 INCHES
NEAR CANTON.

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.

$$

IAZ002-003-013-014-021-022-032-MNZ080-081-089-090-120515-
/O.CON.KFSD.SN.Y.0004.000000T0000Z-080212T1000Z/
OSCEOLA-DICKINSON-OBRIEN-CLAY-CHEROKEE-BUENA VISTA-IDA-MURRAY-
COTTONWOOD-NOBLES-JACKSON-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...SPENCER...CHEROKEE...
STORM LAKE...IDA GROVE...HOLSTEIN...BATTLE CREEK...SLAYTON...
FULDA...WINDOM...MOUNTAIN LAKE...WORTHINGTON...JACKSON...
LAKEFIELD
309 PM CST MON FEB 11 2008

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

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

SNOW WILL CONTINUE THIS AFTERNOON INTO THE EARLY MORNING HOURS OF
TUESDAY. SNOW MAY BE HEAVY AT TIMES FROM LATE THIS AFTERNOON AND
EVENING... ESPECIALLY IN NORTHWEST IOWA. TOTAL SNOW ACCUMULATIONS
WILL RANGE FROM AROUND 2 INCHES NEAR HIGHWAY 30...TO AROUND 6
INCHES ALONG AND SOUTH OF HIGHWAY 18.

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.

$$

SCHUMACHER
000 
WWUS43 KFSD 120159
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
759 PM CST MON FEB 11 2008

.SNOW WILL GRADUALLY COME TO AN END FROM THE NORTHWEST TO THE
SOUTHEAST THIS EVENING AS AN UPPER LEVEL WAVE CONTINUES TO MOVE TO
THE SOUTHEAST. THE SNOW WILL END WEST OF THE JAMES RIVER EARLY THIS
EVENING...AND SHIFT SOUTH AND EAST OF INTERSTATES 90 AND 29 BY MIDNIGHT.
THE SNOWFALL WILL GRADUALLY TAPER OFF ACROSS NORTHWEST IOWA EARLY
TUESDAY MORNING. SNOWFALL IS EXPECTED TO BE HEAVIEST SOUTH OF INTERSTATE
90...WHERE ISOLATED LOCATIONS IN NORTHWEST IOWA COULD RECEIVE UP TO
SEVEN INCHES OF SNOW.

MNZ097-SDZ055-056-061-120300-
/O.CAN.KFSD.SN.Y.0004.000000T0000Z-080212T0600Z/
PIPESTONE-LAKE-MOODY-MCCOOK-
INCLUDING THE CITIES OF...PIPESTONE...MADISON...FLANDREAU...
SALEM...CANISTOTA...BRIDGEWATER...MONTROSE
759 PM CST MON FEB 11 2008

...SNOW ADVISORY IS CANCELLED...

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

LIGHT SNOW MAY BE EXPECTED THROUGH THE EVENING HOURS...BUT LITTLE
IN THE WAY OF ADDITIONAL ACCUMULATIONS ARE EXPECTED.

$$

SDZ038-050-052>054-057>060-063>065-068-120300-
/O.CAN.KFSD.SN.Y.0004.000000T0000Z-080212T0400Z/
BEADLE-GREGORY-JERAULD-SANBORN-MINER-BRULE-AURORA-DAVISON-HANSON-
CHARLES MIX-DOUGLAS-HUTCHINSON-BON HOMME-
INCLUDING THE CITIES OF...HURON...GREGORY...BURKE...
WESSINGTON SPRINGS...ALPENA...WOONSOCKET...HOWARD...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
759 PM CST MON FEB 11 2008

...SNOW ADVISORY IS CANCELLED...

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

LIGHT SNOW WILL COME TO AN END ACROSS THE AREA EARLY THIS EVENING.
ADDITIONAL ACCUMULATIONS THIS EVENING WILL BE LESS THAN ONE INCH. 

$$

MNZ080-081-120300-
/O.CAN.KFSD.SN.Y.0004.000000T0000Z-080212T1000Z/
MURRAY-COTTONWOOD-
INCLUDING THE CITIES OF...SLAYTON...FULDA...WINDOM...
MOUNTAIN LAKE
759 PM CST MON FEB 11 2008

...SNOW ADVISORY IS CANCELLED...

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

WHILE LIGHT SNOW IS EXPECTED THIS EVENING...SNOWFALL IS EXPECTED TO
BE LESS THAN ONE INCH ACROSS THE AREA. THEREFORE THE SNOW ADVISORY
HAS BEEN CANCELLED.

$$

IAZ002-003-013-MNZ089-090-120600-
/O.EXT.KFSD.SN.Y.0004.000000T0000Z-080212T0600Z/
OSCEOLA-DICKINSON-OBRIEN-NOBLES-JACKSON-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...WORTHINGTON...
JACKSON...LAKEFIELD
759 PM CST MON FEB 11 2008

...SNOW ADVISORY NOW IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

THE SNOW ADVISORY IS NOW IN EFFECT UNTIL MIDNIGHT CST TONIGHT. 

SNOW WILL GRADUALLY TAPER OFF THIS EVENING WITH AN ADDITIONAL
ACCUMULATION THROUGH MIDNIGHT OF ONE TO TWO INCHES.  

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.

$$

IAZ001-012-020-031-MNZ098-NEZ013-014-SDZ062-066-067-069>071-
120600-
/O.CON.KFSD.SN.Y.0004.000000T0000Z-080212T0600Z/
LYON-SIOUX-PLYMOUTH-WOODBURY-ROCK-DIXON-DAKOTA-MINNEHAHA-TURNER-
LINCOLN-YANKTON-CLAY-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...LE MARS...SIOUX CITY...
LUVERNE...WAKEFIELD...PONCA...ALLEN...SOUTH SIOUX CITY...
SIOUX FALLS...PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...
CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG...YANKTON...
VERMILLION...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
759 PM CST MON FEB 11 2008

...SNOW ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT. 

SNOW WILL GRADUALLY DIMINISH OVER THE AREA THIS EVENING. TOTAL SNOW
ACCUMULATIONS WILL RANGE FROM THREE INCHES NEAR THE INTERSTATE 90
CORRIDOR TO AROUND SIX INCHES ALONG HIGHWAY 18 ACROSS NORTHWEST
IOWA.

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.

$$

IAZ014-021-022-032-121000-
/O.CON.KFSD.SN.Y.0004.000000T0000Z-080212T1000Z/
CLAY-CHEROKEE-BUENA VISTA-IDA-
INCLUDING THE CITIES OF...SPENCER...CHEROKEE...STORM LAKE...
IDA GROVE...HOLSTEIN...BATTLE CREEK
759 PM CST MON FEB 11 2008

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

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

SNOW WILL CONTINUE THIS EVENING INTO THE EARLY MORNING HOURS OF
TUESDAY. TOTAL SNOW ACCUMULATIONS WILL RANGE FROM AROUND 5 INCHES
AROUND SPENCER...TO ISOLATED AMOUNTS APPROACHING SEVEN INCHES NEAR
STORM LAKE.

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.

$$
BT
000 
WWUS43 KFSD 120911
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
311 AM CST TUE FEB 12 2008


IAZ014-021-022-032-121015-
/O.CAN.KFSD.SN.Y.0004.000000T0000Z-080212T1000Z/
CLAY-CHEROKEE-BUENA VISTA-IDA-
INCLUDING THE CITIES OF...SPENCER...CHEROKEE...STORM LAKE...
IDA GROVE...HOLSTEIN...BATTLE CREEK
311 AM CST TUE FEB 12 2008

...SNOW ADVISORY IS CANCELLED...

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

WHILE LIGHT SNOW WILL CONTINUE OVER THE AREA DURING THE NEXT
COUPLE OF HOURS...LITTLE IF ANY ADDITIONAL ACCUMULATION IS
EXPECTED.

$$

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 Feb 10, 7:16 PM CST, 2 hours 27 minutes earlier.

Area forecast discussion, Feb 10, 7:16 PM CST, 2 hours 27 minutes before
AREA FORECAST DISCUSSION FOR SOUTHEAST SD/SOUTHWEST MN/NORTHWEST IA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
716 PM CST SUN FEB 10 2008

.DISCUSSION...
WENT AHEAD AND UPDATED FORECAST A BIT TO COVER ONGOING LIGHT SNOW
FROM AROUND CHAMBERLAIN TO MITCHELL TO LENNOX. AREA OF PRECIPITATION
LOOKS TO BE DRIVEN BY A WEAK WAVE CURRENTLY DROPPING SOUTHEAST
THROUGH SOUTHEAST ND AND NORTHEAST SD. PRECIPITATION GENERATION
SOMEWHERE AROUND 700-650MB...SO VERY DRY AND LIGHT. DID RECEIVE A
REPORT OF A HALF AN INCH FROM MITCHELL AND EXPECT THIS AND LESS TO
BE THE NORM. AS WAVE PASSES THIS BAND SHOULD CONTINUE TO FALL APART
AND DECREASED POPS OVER MOST FAVORABLE AREA AFTER 6Z. BEYOND
THIS...WEAK UPPER LEVEL SUPPORT THROUGHOUT THE NIGHT FOR LIGHT
SNOW...BECOMING MUCH MORE FAVORABLE BY 12Z. WILL WAIT SEE WHAT NEW
MODELS AND SOUNDINGS SUGGEST FOR SNOW POTENTIAL FOR MONDAY. AT THIS
TIME...THINK THAT SNOW MAY END UP BEING A LITTLE MORE FOCUSED FROM
THE MORNING INTO EARLY AFTERNOON BETWEEN THE JAMES VALLEY AND
INTERSTATE 29 BEFORE LIFTING EAST AND SOUTHEAST AS WAVE PASSES.
SO...MAY NEED TO INCREASE AMOUNTS A SMIDGE HEAR AND DECREASE A
SMIDGE FOR POINTS NORTH AND EAST OF HERE. HPC SEEM TOO FAR NORTH
WITH AXIS OF HEAVIEST SNOW FROM MOBRIDGE TO BROOKINGS.

FOR TEMPERATURES...RAISED SOME IN THE SOUTHWEST AS CLOUDS AND
INCREASING LOW LEVEL FLOW SHOULD KEEP TEMPS FROM FALLING ANY FARTHER
THAN THEY ARE.

08

&&

.PREV DISCUSSION...
ARCTIC HIGH PRESSURE HAS FINALLY MADE ITS WAY INTO THE EASTERN
DAKOTAS LATE THIS AFTERNOON. WITH NORTHWEST WINDS FALLING OFF...WILL
ALLOW REMAINING WIND CHILL ADVISORIES TO EXPIRE AT 4 PM. RETURN FLOW
IS EXPECTED TO DEVELOP FROM WEST TO EAST TONIGHT DRAWING WARMER AIR
BACK INTO THE REGION. WITH WARM AIR OVER RUNNING THE COLDER AIR AT
THE SURFACE EXPECT PRECIP EVENT TO BEGIN OVERNIGHT AND CONTINUE INTO
MONDAY. EXTREMELY DRY AIR IN THE NEAR SURFACE LAYER HAS ALREADY
DELAYED ONSET OF PRECIPITATION...BUT EXPECT WITH TIME COLUMN WILL
SATURATE FROM ALOFT AND PRECIPITATION WILL BEGIN TO ACCUMULATE.
HAVE TIMED PRECIP WITH 850 MB WARM AIR ADVECTION. IN TERMS OF
TEMPERATURES TONIGHT...HAVE GONE NONDIURNAL AS TEMPERATURES SHOULD
RISE OVERNIGHT AS ARCTIC AIRMASS RETREATS TO THE EAST AND MILDER
SOUTHEAST WINDS INCREASE. SPEAKING OF THE WINDS...COULD REACH
MARGINAL WIND CHILL ADVISORY CRITERIA IN SOUTHWEST MINNESOTA FOR A
BRIEF PERIOD EARLY TOMORROW MORNING....BEFORE TEMPERATURES WARM
ENOUGH THAT WIND CHILLS EXCEED THE MAGIC 20 BELOW.

NICE AMPLIFYING SHORT WAVE CRASHING ESEWD OVR CWA MON TAPPING INTO
DVLPG E/W LIFTING BOUNDARY...AND INDUCING NICE INVERTED TROF.
DESPITE SO/SO MOISTURE...WILL BE VERY EFFICIENT IN PRODUCING A
2 TO 4 INCH SNOWBAND MOVG ESEWD OVR MIDDLE OF CWA MONDAY. MODELS
STILL HAVE TRENDED SOMEWHAT SOUTH FM PREV FCSTS...AND HEAVIEST BAND
COULD BE RELATIVELY NARROW...SO HELD OFF PINNING DOWN AREA FOR ANY
SNOW ADVY FOR LATER SHIFTS TO PONDER. SFC COLD AIR WILL STILL BE
HARD TO MODIFY...AND HAVE CUT BACK TEMPS SOME MORE FOR MON THRU TUE.
ALL MODELS STILL HAVING ISSUES PHASING NRN AND SRN STREAMS FOR LATE
WED THRU THU SYSTEM...AND KEPT EXACT SAME WX/CHC POPS AS BEFORE.
DID TREND COLDER TEMPS ACROSS THE BOARD WITH THE EXPCD ARCTIC TUNDRA
EFFECT AND MORE COLD ADVECTION FM CANADA THU AND AGAIN DURING THE
WEEKEND...WITH THE MAIN BRIEF WARMUPS WED AND AGAIN SAT BTWN COLD
AIR SHOTS.

&&

.AVIATION...

CEILINGS WILL CONTINUE TO FALL THIS EVENING AS WARMER AIR RETURNS TO
THE UPPER PLAINS. CEILINGS OF 1-2K FEET ARE EXPECTED TO DEVELOP OVER
CENTRAL SOUTH DAKOTA AND WORK EAST OVERNIGHT. AS THE LOWER LEVELS
SATURATE...LIGHT TO MODERATE SNOW IS EXPECTED TO DEVELOP...WITH
WIDESPREAD LIGHT TO MODERATE SNOW EXPECTED ACROSS THE AREA BY MID
DAY MONDAY.

&&

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

BT/RSR
Hazardous weather outlook, Feb 10, 3:56 PM CST, 5 hours 47 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SIOUX FALLS SD
356 PM CST SUN FEB 10 2008

SDZ038>040-050-052>071-MNZ071-072-080-081-089-090-097-098-
IAZ001>003-012>014-020>022-031-032-NEZ013-014-111200-
AURORA-BEADLE-BON HOMME-BROOKINGS-BRULE-BUENA VISTA IA-
CHARLES MIX-CHEROKEE IA-CLAY-CLAY IA-COTTONWOOD MN-DAKOTA NE-
DAVISON-DICKINSON IA-DIXON NE-DOUGLAS-GREGORY-HANSON-HUTCHINSON-
IDA IA-JACKSON MN-JERAULD-KINGSBURY-LAKE-LINCOLN-LINCOLN MN-
LYON IA-LYON MN-MCCOOK-MINER-MINNEHAHA-MOODY-MURRAY MN-NOBLES MN-
OBRIEN IA-OSCEOLA IA-PIPESTONE MN-PLYMOUTH IA-ROCK MN-SANBORN-
SIOUX IA-TURNER-UNION-WOODBURY IA-YANKTON-
356 PM CST SUN FEB 10 2008

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

.DAY ONE...TODAY AND TONIGHT

WINTER WEATHER...
WIND CHILL READINGS AROUND 20 BELOW ZERO WILL CONTINUE UNTIL
AROUND SUNSET OVER PARTS OF NORTHWEST IOWA AND SOUTHWEST
MINNESOTA...BUT WINDS SHOULD DECREASE QUICKLY...BRINGING AN END
TO THE VERY COLD WIND CHILLS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

SNOW WILL DEVELOP WEST OF INTERSTATE 29 LATE TONIGHT AND EARLY
MONDAY MORNING...WITH 1 TO 3 INCHES OF ACCUMULATION POSSIBLE FROM
HURON TO CHAMBERLAIN TO MITCHELL AND LAKE ANDES. BY LATE MONDAY
MORNING INTO MONDAY EVENING...THE SNOW WILL SPREAD INTO EXTREME
EASTERN SOUTH DAKOTA...SOUTHWEST MINNESOTA AND NORTHWEST IOWA.
SNOW TOTALS OF 2 TO 4 INCHES WILL BE LIKELY DURING THIS
TIME...ESPECIALLY NORTHEAST OF A DE SMET TO SALEM TO STORM LAKE
IOWA LINE.

THERE WILL BE ANOTHER CHANCE OF SNOW WEDNESDAY NIGHT AND
THURSDAY...AS LOW PRESSURE DEVELOPS OVER THE CENTRAL PLAINS.
ACCUMULATING SNOW WILL BE POSSIBLE WITH THIS SYSTEM.

.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.

08

Nearby

Snow Advisories in South Dakota, 2008Snow Advisories in Iowa, 2008Snow Advisories in Minnesota, 2008Every snow advisory in 2008

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.