Alert archive / Iowa / Snow Advisories in 2008
Snow Advisory 2, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this snow advisory at Jan 19, 2008, 3:16 PM CST for 11 counties in Iowa; 10 counties in South Dakota; Dakota County, Dixon County, Nebraska. It took effect at Jan 20, 2008, 12:00 PM CST. It was in force for 30 hr.
The area
The counties it named.
The facts
- Issued
- Jan 19, 2008, 3:16 PM CST (21:16 UTC)
- In effect from
- Jan 20, 2008, 12:00 PM CST
- Expired
- Jan 21, 2008, 6:00 PM CST
- In force
- 30 hr
- Issued by
- NWS Sioux Falls, SD
All 23 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, Dakota County, NE, Dixon County, NE, Bon Homme County, SD, Charles Mix County, SD, Clay County, SD, Douglas County, SD, Gregory County, SD, Hutchinson County, SD, Lincoln County, SD, Turner County, SD, Union County, SD, Yankton County, SD
The radar
The Sioux Falls radar (KFSD), 67 km from the middle of the area, began a volume at 21:19 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 9.3 hours before the alert went out and 187 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1145 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- -8 m²/s²
- 0-3 km storm-relative helicity
- 88 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS43 KFSD 192116 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 316 PM CST SAT JAN 19 2008 .LOW PRESSURE WILL DEVELOP OVER THE NORTHERN ROCKIES TONIGHT...WITH A WARM FRONT DEVELOPING SOUTHEAST FROM THE LOW PRESSURE INTO THE CENTRAL PLAINS. THIS SYSTEM WILL PRODUCE A SWATH OF FLUFFY SNOWFALL FROM NORTHERN NEBRASKA AND SOUTHERN SOUTH DAKOTA...INTO IOWA SUNDAY THROUGH MONDAY. SDZ050-063-068-069-200530- /O.NEW.KFSD.SN.Y.0002.080120T1800Z-080121T1800Z/ GREGORY-CHARLES MIX-BON HOMME-YANKTON- INCLUDING THE CITIES OF...GREGORY...BURKE...WAGNER...PLATTE... LAKE ANDES...MARTY...TYNDALL...SCOTLAND...SPRINGFIELD...AVON... TABOR...YANKTON 316 PM CST SAT JAN 19 2008 ...SNOW ADVISORY IN EFFECT FROM 12 PM SUNDAY TO 12 PM CST MONDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SNOW ADVISORY...WHICH IS IN EFFECT FROM 12 PM SUNDAY TO 12 PM CST MONDAY. SNOW WILL SPREAD INTO SOUTH CENTRAL SOUTH DAKOTA EARLY SUNDAY MORNING...THEN CONTINUE TO EXPAND EAST THROUGH THE MISSOURI RIVER VALLEY SUNDAY AFTERNOON. SNOW WILL CONTINUE ALONG THE MISSOURI RIVER VALLEY THROUGH MONDAY MORNING...WITH ACCUMULATIONS OF 3 TO 5 INCHES EXPECTED FROM EARLY SUNDAY THROUGH MIDDAY MONDAY. DUE TO THE LIGHT AND FLUFFY NATURE OF THE EXPECTED SNOWFALL...SOME AREAS OF BLOWING AND DRIFTING SNOW WILL ALSO BE POSSIBLE. 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. $$ IAZ020>022-031-032-NEZ013-014-SDZ070-071-200530- /O.NEW.KFSD.SN.Y.0002.080120T1800Z-080122T0000Z/ PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA-DIXON-DAKOTA-CLAY- UNION- INCLUDING THE CITIES OF...LE MARS...CHEROKEE...STORM LAKE... SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...WAKEFIELD... PONCA...ALLEN...SOUTH SIOUX CITY...VERMILLION... NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON 316 PM CST SAT JAN 19 2008 ...SNOW ADVISORY IN EFFECT FROM 12 PM SUNDAY TO 6 PM CST MONDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SNOW ADVISORY...WHICH IS IN EFFECT FROM 12 PM SUNDAY TO 6 PM CST MONDAY. SNOW WILL SPREAD EAST THROUGH THE MISSOURI RIVER VALLEY SUNDAY...AND WILL CONTINUE FROM AROUND VERMILLION AND SIOUX CITY...EAST TOWARD STORM LAKE THROUGH THE DAY MONDAY. SNOWFALL ACCUMULATIONS OF 4 TO 6 INCHES ARE EXPECTED FROM MIDDAY SUNDAY THROUGH LATE MONDAY AFTERNOON. DUE TO THE LIGHT AND FLUFFY NATURE OF THE EXPECTED SNOWFALL...SOME AREAS OF BLOWING AND DRIFTING SNOW WILL ALSO BE POSSIBLE. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ JH
9 follow-up statements
000 WWUS43 KFSD 200229 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 829 PM CST SAT JAN 19 2008 .LOW PRESSURE WILL DEVELOP OVER THE NORTHERN ROCKIES TONIGHT... WITH A WARM FRONT DEVELOPING SOUTHEAST FROM THE LOW PRESSURE INTO THE CENTRAL PLAINS. THIS SYSTEM WILL PRODUCE A SWATH OF FLUFFY SNOWFALL FROM NORTHERN NEBRASKA AND SOUTHERN SOUTH DAKOTA...INTO IOWA SUNDAY THROUGH MONDAY. SDZ050-063-068-069-201030- /O.CON.KFSD.SN.Y.0002.080120T1800Z-080121T1800Z/ GREGORY-CHARLES MIX-BON HOMME-YANKTON- INCLUDING THE CITIES OF...GREGORY...BURKE...WAGNER...PLATTE... LAKE ANDES...MARTY...TYNDALL...SCOTLAND...SPRINGFIELD...AVON... TABOR...YANKTON 829 PM CST SAT JAN 19 2008 ...SNOW ADVISORY REMAINS IN EFFECT FROM 12 PM SUNDAY TO 12 PM CST MONDAY... A SNOW ADVISORY REMAINS IN EFFECT FROM 12 PM SUNDAY TO 12 PM CST MONDAY. SNOW WILL SPREAD INTO SOUTH CENTRAL SOUTH DAKOTA EARLY SUNDAY MORNING...THEN CONTINUE TO EXPAND EAST THROUGH THE MISSOURI RIVER VALLEY SUNDAY AFTERNOON. SNOW WILL CONTINUE ALONG THE MISSOURI RIVER VALLEY THROUGH MONDAY MORNING...WITH ACCUMULATIONS OF 3 TO 5 INCHES EXPECTED FROM EARLY SUNDAY THROUGH MIDDAY MONDAY. DUE TO THE LIGHT AND FLUFFY NATURE OF THE EXPECTED SNOWFALL...SOME AREAS OF BLOWING AND DRIFTING SNOW WILL ALSO BE POSSIBLE. 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. $$ IAZ020>022-031-032-NEZ013-014-SDZ070-071-201030- /O.CON.KFSD.SN.Y.0002.080120T1800Z-080122T0000Z/ PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA-DIXON-DAKOTA-CLAY- UNION- INCLUDING THE CITIES OF...LE MARS...CHEROKEE...STORM LAKE... SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...WAKEFIELD... PONCA...ALLEN...SOUTH SIOUX CITY...VERMILLION... NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON 829 PM CST SAT JAN 19 2008 ...SNOW ADVISORY REMAINS IN EFFECT FROM 12 PM SUNDAY TO 6 PM CST MONDAY... A SNOW ADVISORY REMAINS IN EFFECT FROM 12 PM SUNDAY TO 6 PM CST MONDAY. SNOW WILL SPREAD EAST THROUGH THE MISSOURI RIVER VALLEY SUNDAY... AND WILL CONTINUE FROM AROUND VERMILLION AND SIOUX CITY...EAST TOWARD STORM LAKE THROUGH THE DAY MONDAY. SNOWFALL ACCUMULATIONS OF 3 TO 6 INCHES ARE EXPECTED FROM MIDDAY SUNDAY THROUGH LATE MONDAY AFTERNOON. DUE TO THE LIGHT AND FLUFFY NATURE OF THE EXPECTED SNOWFALL...SOME AREAS OF BLOWING AND DRIFTING SNOW WILL ALSO BE POSSIBLE. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS43 KFSD 201046 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 446 AM CST SUN JAN 20 2008 .SNOW IS EXPECTED TO DEVELOP ACROSS WESTERN SOUTH DAKOTA AND NORTHERN NEBRASKA THIS MORNING...THEN EXPAND EASTWARD THIS AFTERNOON AND EVENING AS THE LOWER ATMOSPHERE SATURATES. THIS SNOW EVENT WILL LIKELY BE OF LONG DURATION...SLOWLY ADDING UP THROUGH TONIGHT AND MONDAY MORNING...THEN TAPER OFF MONDAY AFTERNOON. SDZ064>066-201900- /O.EXB.KFSD.SN.Y.0002.080121T0000Z-080121T1800Z/ DOUGLAS-HUTCHINSON-TURNER- INCLUDING THE CITIES OF...ARMOUR...CORSICA...DELMONT...PARKSTON... FREEMAN...MENNO...TRIPP...PARKER...CENTERVILLE...MARION... VIBORG...HURLEY...CHANCELLOR 446 AM CST SUN JAN 20 2008 ...SNOW ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 12 PM CST MONDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SNOW ADVISORY...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 12 PM CST MONDAY. LIGHT SNOW SHOULD START TO DEVELOP AS THIS AFTERNOON PROGRESSES... WITH ACCUMULATING SNOW TONIGHT AND MONDAY MORNING. SNOW TOTALS OF 3 TO 5 INCHES ARE LIKELY BEFORE TAPERING OFF MONDAY AFTERNOON. THE SNOW WILL BE DRY AND FLUFFY...BUT EXCESSIVE WIND SPEEDS ARE NOT EXPECTED WITH THIS EVENT. 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. $$ IAZ001>003-012>014-SDZ067-201900- /O.EXB.KFSD.SN.Y.0002.080121T0000Z-080122T0000Z/ LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-LINCOLN- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK... ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN... SPENCER...CANTON...LENNOX...TEA...HARRISBURG 446 AM CST SUN JAN 20 2008 ...SNOW ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST MONDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SNOW ADVISORY...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST MONDAY. LIGHT SNOW SHOULD START TO DEVELOP FROM WEST TO EAST LATE THIS AFTERNOON AND EVENING...WITH ACCUMULATING SNOW THEN CERTAINLY EXPECTED BY LATE EVENING...LASTING THROUGH MONDAY. TOTAL SNOW ACCUMULATIONS OF 3 TO 5 INCHES WILL BE COMMON. THE SNOW WILL BE DRY AND FLUFFY...BUT EXCESSIVE WIND SPEEDS ARE NOT EXPECTED WITH THIS EVENT. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ SDZ050-063-068-069-201900- /O.CON.KFSD.SN.Y.0002.080120T1800Z-080121T1800Z/ GREGORY-CHARLES MIX-BON HOMME-YANKTON- INCLUDING THE CITIES OF...GREGORY...BURKE...WAGNER...PLATTE... LAKE ANDES...MARTY...TYNDALL...SCOTLAND...SPRINGFIELD...AVON... TABOR...YANKTON 446 AM CST SUN JAN 20 2008 ...SNOW ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 12 PM CST MONDAY... A SNOW ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 12 PM CST MONDAY. SNOW WILL BEGIN TO DEVELOP ACROSS THIS AREA BY MIDDAY...WITH ACCUMULATING SNOW THEN EXPECTED TO LAST THROUGH MONDAY MORNING. AVERAGE SNOW TOTALS WILL BE IN THE 4 TO 6 INCH RANGE BEFORE TAPERING OFF MONDAY AFTERNOON. THE SNOW WILL BE DRY AND FLUFFY...BUT EXCESSIVE WIND SPEEDS ARE NOT EXPECTED WITH THIS EVENT. 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. $$ IAZ020>022-031-032-NEZ013-014-SDZ070-071-201900- /O.CON.KFSD.SN.Y.0002.080120T1800Z-080122T0000Z/ PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA-DIXON-DAKOTA-CLAY- UNION- INCLUDING THE CITIES OF...LE MARS...CHEROKEE...STORM LAKE... SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...WAKEFIELD... PONCA...ALLEN...SOUTH SIOUX CITY...VERMILLION... NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON 446 AM CST SUN JAN 20 2008 ...SNOW ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 6 PM CST MONDAY... A SNOW ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 6 PM CST MONDAY. LIGHT SNOW WILL BEGIN TO DEVELOP ACROSS THIS AREA AS THE AFTERNOON PROGRESSES...WITH ACCUMULATING SNOW THEN OCCURRING TONIGHT THROUGH MONDAY. AVERAGE TOTAL SNOW ACCUMULATIONS OF 4 TO 7 INCHES WILL BE COMMON. THE SNOW WILL BE DRY AND FLUFFY...BUT EXCESSIVE WIND SPEEDS ARE NOT EXPECTED WITH THIS EVENT. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MJF
000 WWUS43 KFSD 201613 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 1013 AM CST SUN JAN 20 2008 .AN AREA OF SNOW FROM WESTERN SOUTH DAKOTA INTO NORTHERN AND EASTERN NEBRASKA...WILL GRADUALLY EXPAND NORTHEAST INTO THE MISSOURI RIVER VALLEY THIS AFTERNOON AND EVENING AS THE LOWER ATMOSPHERE SATURATES. THIS SNOW EVENT WILL LIKELY BE OF LONG DURATION...WITH ACCUMULATIONS SLOWLY ADDING UP THROUGH TONIGHT AND MONDAY MORNING...THEN TAPERING OFF MONDAY AFTERNOON. SDZ050-063-068-069-210015- /O.CON.KFSD.SN.Y.0002.080120T1800Z-080121T1800Z/ GREGORY-CHARLES MIX-BON HOMME-YANKTON- INCLUDING THE CITIES OF...GREGORY...BURKE...WAGNER...PLATTE... LAKE ANDES...MARTY...TYNDALL...SCOTLAND...SPRINGFIELD...AVON... TABOR...YANKTON 1013 AM CST SUN JAN 20 2008 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST MONDAY... A SNOW ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST MONDAY. SNOW WILL BEGIN TO DEVELOP ACROSS THIS AREA BY MIDDAY...WITH ACCUMULATING SNOW THEN EXPECTED TO LAST THROUGH MONDAY MORNING. AVERAGE SNOW TOTALS WILL BE IN THE 4 TO 6 INCH RANGE BEFORE TAPERING OFF MONDAY AFTERNOON. THE SNOW WILL BE DRY AND FLUFFY... BUT EXCESSIVE WIND SPEEDS ARE NOT EXPECTED WITH THIS EVENT. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL PRIMARILY CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IAZ020>022-031-032-NEZ013-014-SDZ070-071-210015- /O.CON.KFSD.SN.Y.0002.080120T1800Z-080122T0000Z/ PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA-DIXON-DAKOTA-CLAY- UNION- INCLUDING THE CITIES OF...LE MARS...CHEROKEE...STORM LAKE... SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...WAKEFIELD... PONCA...ALLEN...SOUTH SIOUX CITY...VERMILLION... NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON 1013 AM CST SUN JAN 20 2008 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST MONDAY... A SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST MONDAY. LIGHT SNOW WILL BEGIN TO DEVELOP ACROSS THIS AREA AS THE AFTERNOON PROGRESSES...WITH ACCUMULATING SNOW THEN OCCURRING TONIGHT THROUGH MONDAY. AVERAGE TOTAL SNOW ACCUMULATIONS OF 4 TO 7 INCHES WILL BE COMMON. THE SNOW WILL BE DRY AND FLUFFY...BUT EXCESSIVE WIND SPEEDS ARE NOT EXPECTED WITH THIS EVENT. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL PRIMARILY CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ SDZ064>066-210015- /O.CON.KFSD.SN.Y.0002.080121T0000Z-080121T1800Z/ DOUGLAS-HUTCHINSON-TURNER- INCLUDING THE CITIES OF...ARMOUR...CORSICA...DELMONT...PARKSTON... FREEMAN...MENNO...TRIPP...PARKER...CENTERVILLE...MARION... VIBORG...HURLEY...CHANCELLOR 1013 AM CST SUN JAN 20 2008 ...SNOW ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 12 PM CST MONDAY... A SNOW ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 12 PM CST MONDAY. LIGHT SNOW SHOULD START TO DEVELOP BY LATE AFTERNOON...WITH ACCUMULATING SNOW TONIGHT AND MONDAY MORNING. SNOW TOTALS OF 3 TO 5 INCHES ARE LIKELY BEFORE TAPERING OFF MONDAY AFTERNOON. THE SNOW WILL BE DRY AND FLUFFY...BUT EXCESSIVE WIND SPEEDS ARE NOT EXPECTED WITH THIS EVENT. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL PRIMARILY CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IAZ001>003-012>014-SDZ067-210015- /O.CON.KFSD.SN.Y.0002.080121T0000Z-080122T0000Z/ LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-LINCOLN- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK... ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN... SPENCER...CANTON...LENNOX...TEA...HARRISBURG 1013 AM CST SUN JAN 20 2008 ...SNOW ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST MONDAY... A SNOW ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST MONDAY. LIGHT SNOW SHOULD START TO DEVELOP FROM WEST TO EAST TOWARD SUNSET...WITH ACCUMULATING SNOW THEN CERTAINLY EXPECTED BY LATE EVENING...LASTING THROUGH MONDAY. TOTAL SNOW ACCUMULATIONS OF 3 TO 5 INCHES WILL BE COMMON. THE SNOW WILL BE DRY AND FLUFFY...BUT EXCESSIVE WIND SPEEDS ARE NOT EXPECTED WITH THIS EVENT. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL PRIMARILY CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ JH
000 WWUS43 KFSD 202100 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 300 PM CST SUN JAN 20 2008 .A MID LEVEL FRONTAL BOUNDARY WILL GENERATE AN AREA OF SNOW ACROSS THE AREA TONIGHT INTO MONDAY. SNOW EXTENDING FROM WESTERN SOUTH DAKOTA INTO NORTHEAST NEBRASKA LATE THIS AFTERNOON...WILL GRADUALLY EXPAND NORTHEAST ACROSS SOUTHEAST SOUTH DAKOTA...NORTHWEST IOWA AND PARTS OF SOUTHWEST MINNESOTA TONIGHT THROUGH MONDAY. THIS SNOW EVENT WILL LIKELY BE OF LONG DURATION...WITH ACCUMULATIONS SLOWLY ADDING UP THROUGH TONIGHT AND MONDAY MORNING...THEN TAPERING OFF MONDAY AFTERNOON. SDZ050-063-068-069-210500- /O.CON.KFSD.SN.Y.0002.000000T0000Z-080121T1800Z/ GREGORY-CHARLES MIX-BON HOMME-YANKTON- INCLUDING THE CITIES OF...GREGORY...BURKE...WAGNER...PLATTE... LAKE ANDES...MARTY...TYNDALL...SCOTLAND...SPRINGFIELD...AVON... TABOR...YANKTON 300 PM CST SUN JAN 20 2008 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST MONDAY... A SNOW ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST MONDAY. SNOW WILL CONTINUE TO EXPAND ACROSS THE AREA THROUGH THE EARLY EVENING...WITH ACCUMULATING SNOW EXPECTED TO LAST THROUGH MONDAY MORNING. AVERAGE SNOW TOTALS WILL BE IN THE 3 TO 6 INCH RANGE BEFORE TAPERING OFF MONDAY AFTERNOON. THE SNOW WILL BE DRY AND FLUFFY...BUT EXCESSIVE WIND SPEEDS ARE NOT EXPECTED WITH THIS EVENT. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL PRIMARILY CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IAZ020>022-031-032-NEZ013-014-SDZ070-071-210500- /O.CON.KFSD.SN.Y.0002.000000T0000Z-080122T0000Z/ PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA-DIXON-DAKOTA-CLAY- UNION- INCLUDING THE CITIES OF...LE MARS...CHEROKEE...STORM LAKE... SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...WAKEFIELD... PONCA...ALLEN...SOUTH SIOUX CITY...VERMILLION... NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON 300 PM CST SUN JAN 20 2008 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST MONDAY... A SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST MONDAY. LIGHT SNOW WILL GRADUALLY EXPAND FROM NEAR THE MISSOURI RIVER THIS AFTERNOON...EAST TOWARD THE STORM LAKE AREA DURING THE EARLY EVENING. ACCUMULATING SNOW WILL CONTINUE THROUGH MUCH OF THE DAY MONDAY... WITH AVERAGE SNOW ACCUMULATIONS OF 4 TO 7 INCHES EXPECTED BY MONDAY AFTERNOON. THE SNOW WILL BE DRY AND FLUFFY...BUT EXCESSIVE WIND SPEEDS ARE NOT EXPECTED WITH THIS EVENT. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL PRIMARILY CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ SDZ064>066-210500- /O.CON.KFSD.SN.Y.0002.080121T0000Z-080121T1800Z/ DOUGLAS-HUTCHINSON-TURNER- INCLUDING THE CITIES OF...ARMOUR...CORSICA...DELMONT...PARKSTON... FREEMAN...MENNO...TRIPP...PARKER...CENTERVILLE...MARION... VIBORG...HURLEY...CHANCELLOR 300 PM CST SUN JAN 20 2008 ...SNOW ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 12 PM CST MONDAY... A SNOW ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 12 PM CST MONDAY. LIGHT SNOW WILL EXPAND INTO THE AREA DURING THE EARLY EVENING... WITH ACCUMULATING SNOW EXPECTED TONIGHT INTO MONDAY MORNING. SNOW TOTALS OF 3 TO 5 INCHES ARE LIKELY BEFORE THE SNOW TAPERS OFF MONDAY AFTERNOON. THE SNOW WILL BE DRY AND FLUFFY...BUT EXCESSIVE WIND SPEEDS ARE NOT EXPECTED WITH THIS EVENT. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL PRIMARILY CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IAZ001>003-012>014-SDZ067-210500- /O.CON.KFSD.SN.Y.0002.080121T0000Z-080122T0000Z/ LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-LINCOLN- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK... ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN... SPENCER...CANTON...LENNOX...TEA...HARRISBURG 300 PM CST SUN JAN 20 2008 ...SNOW ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST MONDAY... A SNOW ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST MONDAY. LIGHT SNOW SHOULD EXPAND NORTHEAST ACROSS THE AREA THROUGH THE EVENING...WITH ACCUMULATING SNOW EXPECTED OVERNIGHT THROUGH MUCH OF THE DAY MONDAY. TOTAL SNOW ACCUMULATIONS OF 3 TO 5 INCHES WILL BE COMMON. THE SNOW WILL BE DRY AND FLUFFY... BUT EXCESSIVE WIND SPEEDS ARE NOT EXPECTED WITH THIS EVENT. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL PRIMARILY CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ JH
000 WWUS43 KFSD 210222 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 822 PM CST SUN JAN 20 2008 .A MID LEVEL FRONTAL BOUNDARY WILL GENERATE AN AREA OF SNOW ACROSS THE AREA TONIGHT INTO MONDAY. THIS SNOW EVENT WILL LIKELY BE OF LONG DURATION...WITH ACCUMULATIONS SLOWLY ADDING UP THROUGH TONIGHT AND MONDAY MORNING...THEN TAPERING OFF MONDAY AFTERNOON. SDZ050-063-068-069-211030- /O.CON.KFSD.SN.Y.0002.000000T0000Z-080121T1800Z/ GREGORY-CHARLES MIX-BON HOMME-YANKTON- INCLUDING THE CITIES OF...GREGORY...BURKE...WAGNER...PLATTE... LAKE ANDES...MARTY...TYNDALL...SCOTLAND...SPRINGFIELD...AVON... TABOR...YANKTON 822 PM CST SUN JAN 20 2008 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST MONDAY... A SNOW ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST MONDAY. SNOW WILL CONTINUE TO EXPAND ACROSS THE AREA THROUGH THE EARLY EVENING...WITH ACCUMULATING SNOW EXPECTED TO LAST THROUGH MONDAY MORNING. AVERAGE SNOW TOTALS WILL BE IN THE 3 TO 6 INCH RANGE BEFORE TAPERING OFF MONDAY AFTERNOON. THE SNOW WILL BE DRY AND FLUFFY...BUT EXCESSIVE WIND SPEEDS ARE NOT EXPECTED WITH THIS EVENT. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL PRIMARILY CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IAZ020>022-031-032-NEZ013-014-SDZ070-071-211030- /O.CON.KFSD.SN.Y.0002.000000T0000Z-080122T0000Z/ PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA-DIXON-DAKOTA-CLAY- UNION- INCLUDING THE CITIES OF...LE MARS...CHEROKEE...STORM LAKE... SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...WAKEFIELD... PONCA...ALLEN...SOUTH SIOUX CITY...VERMILLION... NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON 822 PM CST SUN JAN 20 2008 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST MONDAY... A SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST MONDAY. LIGHT SNOW WILL GRADUALLY EXPAND FROM NEAR THE MISSOURI RIVER THIS AFTERNOON...EAST TOWARD THE STORM LAKE AREA DURING THE EARLY EVENING. ACCUMULATING SNOW WILL CONTINUE THROUGH MUCH OF THE DAY MONDAY... WITH AVERAGE SNOW ACCUMULATIONS OF 4 TO 7 INCHES EXPECTED BY MONDAY AFTERNOON. THE SNOW WILL BE DRY AND FLUFFY... BUT EXCESSIVE WIND SPEEDS ARE NOT EXPECTED WITH THIS EVENT. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL PRIMARILY CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ SDZ064>066-211030- /O.CON.KFSD.SN.Y.0002.000000T0000Z-080121T1800Z/ DOUGLAS-HUTCHINSON-TURNER- INCLUDING THE CITIES OF...ARMOUR...CORSICA...DELMONT...PARKSTON... FREEMAN...MENNO...TRIPP...PARKER...CENTERVILLE...MARION... VIBORG...HURLEY...CHANCELLOR 822 PM CST SUN JAN 20 2008 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST MONDAY... A SNOW ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST MONDAY. LIGHT SNOW WILL EXPAND INTO THE AREA DURING THE EARLY EVENING... WITH ACCUMULATING SNOW EXPECTED TONIGHT INTO MONDAY MORNING. SNOW TOTALS OF 2 TO 4 INCHES ARE LIKELY BEFORE THE SNOW TAPERS OFF MONDAY AFTERNOON. THE SNOW WILL BE DRY AND FLUFFY...BUT EXCESSIVE WIND SPEEDS ARE NOT EXPECTED WITH THIS EVENT. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL PRIMARILY CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IAZ001>003-012>014-SDZ067-211030- /O.CON.KFSD.SN.Y.0002.000000T0000Z-080122T0000Z/ LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-LINCOLN- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK... ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN... SPENCER...CANTON...LENNOX...TEA...HARRISBURG 822 PM CST SUN JAN 20 2008 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST MONDAY... A SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST MONDAY. LIGHT SNOW SHOULD EXPAND NORTHEAST ACROSS THE AREA THROUGH THE EVENING...WITH ACCUMULATING SNOW EXPECTED OVERNIGHT THROUGH MUCH OF THE DAY MONDAY. TOTAL SNOW ACCUMULATIONS OF 2 TO 5 INCHES WILL BE COMMON. THE SNOW WILL BE DRY AND FLUFFY... BUT EXCESSIVE WIND SPEEDS ARE NOT EXPECTED WITH THIS EVENT. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL PRIMARILY CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS43 KFSD 211032 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 432 AM CST MON JAN 21 2008 .A MID LEVEL FRONTAL BOUNDARY WILL GENERATE AN AREA OF SNOW ACROSS THE AREA TODAY. ACCUMULATIONS WILL TAPER OFF FROM WEST TO EAST AS THE DAY PROGRESSES. SDZ050-063-068-069-211800- /O.EXT.KFSD.SN.Y.0002.000000T0000Z-080121T1800Z/ GREGORY-CHARLES MIX-BON HOMME-YANKTON- INCLUDING THE CITIES OF...GREGORY...BURKE...WAGNER...PLATTE... LAKE ANDES...MARTY...TYNDALL...SCOTLAND...SPRINGFIELD...AVON... TABOR...YANKTON 432 AM CST MON JAN 21 2008 ...SNOW ADVISORY NOW IN EFFECT UNTIL NOON CST TODAY... THE SNOW ADVISORY IS NOW IN EFFECT UNTIL NOON CST TODAY. LIGHT SNOW WILL CONTINUE TO ACCUMULATE THIS MORNING...WITH ANY ADDITIONAL ACCUMULATIONS THAT MAY FALL THIS AFTERNOON BEING EXTREMELY MINOR. EXPECT AN AVERAGE ADDITIONAL 1 TO 2 INCHES OF SNOW ACCUMULATION TODAY. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL PRIMARILY CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IAZ020>022-031-032-NEZ013-014-SDZ070-071-211845- /O.EXT.KFSD.SN.Y.0002.080121T1200Z-080122T0000Z/ PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA-DIXON-DAKOTA-CLAY- UNION- INCLUDING THE CITIES OF...LE MARS...CHEROKEE...STORM LAKE... SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...WAKEFIELD... PONCA...ALLEN...SOUTH SIOUX CITY...VERMILLION... NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON 432 AM CST MON JAN 21 2008 ...SNOW ADVISORY NOW IN EFFECT UNTIL 6 PM CST THIS AFTERNOON... THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 6 PM CST THIS AFTERNOON. SNOW WILL CONTINUE FOR THE BETTER PART OF THE DAY. HOWEVER IN THE NEAR TERM...THE SNOW WILL ACTUALLY DECREASE IN INTENSITY...OR POSSIBLY EVEN END...FROM EXTREME NORTHEAST NEBRASKA...TO SIOUX CITY AND STORM LAKE IOWA EARLY THIS MORNING. BUT AS LOW PRESSURE PUSHES INTO NORTHEAST KANSAS BY LATE MORNING...SNOW SHOULD ONCE AGAIN START UP IN THESE AREAS. ADDITIONAL ACCUMULATIONS OF 2 TO 3 INCHES WILL BE COMMON FOR THE REST OF THE DAY. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL PRIMARILY CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ SDZ064>066-211800- /O.EXT.KFSD.SN.Y.0002.080121T1200Z-080121T1800Z/ DOUGLAS-HUTCHINSON-TURNER- INCLUDING THE CITIES OF...ARMOUR...CORSICA...DELMONT...PARKSTON... FREEMAN...MENNO...TRIPP...PARKER...CENTERVILLE...MARION... VIBORG...HURLEY...CHANCELLOR 432 AM CST MON JAN 21 2008 ...SNOW ADVISORY NOW IN EFFECT UNTIL NOON CST TODAY... THE SNOW ADVISORY IS NOW IN EFFECT UNTIL NOON CST TODAY. LIGHT SNOW WILL CONTINUE TO ACCUMULATE THIS MORNING. AFTER MIDDAY... MOST OF THE ACCUMULATING SNOW WILL BEGIN TO TAPER OFF. BUT NUISANCE FLUFF COULD CONTINUE INTO EARLY TO MID AFTERNOON. EXPECT AN AVERAGE ADDITIONAL 1 TO 2 INCHES OF SNOW ACCUMULATION TODAY. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL PRIMARILY CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IAZ001>003-012>014-SDZ067-211845- /O.EXT.KFSD.SN.Y.0002.080121T1200Z-080122T0000Z/ LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-LINCOLN- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK... ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN... SPENCER...CANTON...LENNOX...TEA...HARRISBURG 432 AM CST MON JAN 21 2008 ...SNOW ADVISORY NOW IN EFFECT UNTIL 6 PM CST THIS AFTERNOON... THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 6 PM CST THIS AFTERNOON. SNOW WILL CONTINUE IN THIS AREA FOR THE BETTER PART OF THE DAY. IN THE NEAR TERM...A BAND OF MODERATE TO HEAVY SNOW WILL LIFT NORTHEASTWARD ACROSS THIS AREA EARLY THIS MORNING. THIS BAND OF SNOW HAS BEEN PRODUCING 1/2 INCH TO ONE INCH SNOW AMOUNTS PER HOUR TO THE SOUTH...AND VISIBILITIES AT OR LESS THAN 1 MILE AT TIMES. UNFORTUNATELY THIS BAND OF SNOW WILL LIKELY MOVE INTO THIS AREA WHEN MANY PEOPLE ARE BEGINNING TO DRIVE TO WORK. OTHERWISE... EXPECT 2 TO 4 INCHES OF SNOW ACCUMULATION ON AVERAGE FOR THE REST OF THE DAY. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL PRIMARILY CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MJF
000 WWUS43 KFSD 211758 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 1158 AM CST MON JAN 21 2008 .A FRONTAL BOUNDARY WILL CONTINUE TO GENERATE SNOW ACROSS MUCH OF THE AREA TODAY. SNOW WILL SLOWLY TAPER OFF FROM WEST TO EAST THROUGH THE AFTERNOON AND EVENING HOURS. SDZ050-063-068-069-211900- /O.EXP.KFSD.SN.Y.0002.000000T0000Z-080121T1800Z/ GREGORY-CHARLES MIX-BON HOMME-YANKTON- INCLUDING THE CITIES OF...GREGORY...BURKE...WAGNER...PLATTE... LAKE ANDES...MARTY...TYNDALL...SCOTLAND...SPRINGFIELD...AVON... TABOR...YANKTON 1158 AM CST MON JAN 21 2008 ...SNOW ADVISORY WILL EXPIRE AT NOON CST TODAY... THE SNOW ADVISORY WILL EXPIRE AT NOON CST TODAY. ALTHOUGH THE SNOW ADVISORY EXPIRES AT NOON...LIGHT SNOW WILL CONTINUE INTO THE AFTERNOON HOURS BEFORE TAPERING OFF. ADDITIONAL SNOW ACCUMULATIONS ARE EXPECTED TO BE LESS THAN ONE INCH. $$ SDZ064>066-211900- /O.EXP.KFSD.SN.Y.0002.000000T0000Z-080121T1800Z/ DOUGLAS-HUTCHINSON-TURNER- INCLUDING THE CITIES OF...ARMOUR...CORSICA...DELMONT...PARKSTON... FREEMAN...MENNO...TRIPP...PARKER...CENTERVILLE...MARION... VIBORG...HURLEY...CHANCELLOR 1158 AM CST MON JAN 21 2008 ...SNOW ADVISORY WILL EXPIRE AT NOON CST TODAY... THE SNOW ADVISORY WILL EXPIRE AT NOON CST TODAY. ALTHOUGH THE SNOW ADVISORY EXPIRES AT NOON...LIGHT SNOW WILL CONTINUE INTO THE AFTERNOON HOURS BEFORE TAPERING OFF. ADDITIONAL SNOW ACCUMULATIONS ARE EXPECTED TO BE LESS THAN ONE INCH. $$ IAZ020>022-031-032-NEZ013-014-SDZ070-071-220000- /O.CON.KFSD.SN.Y.0002.000000T0000Z-080122T0000Z/ 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 1158 AM CST MON JAN 21 2008 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON... A SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON. SNOW WILL CONTINUE THOUGH THIS AFTERNOON...HOWEVER SNOW IS EXPECTED TO DECREASE IN INTENSITY BY LATER THIS AFTERNOON. ADDITIONAL SNOW ACCUMULATIONS WILL RANGE FROM 1 TO 3 INCHES THROUGH THE AFTERNOON HOUR. SNOW WILL TAPER OFF ACROSS THE AREA THIS EVENING WITH LITTLE TO NO ADDITIONAL SNOW ACCUMULATION. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL PRIMARILY CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IAZ001>003-012>014-SDZ067-220000- /O.CON.KFSD.SN.Y.0002.000000T0000Z-080122T0000Z/ LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-LINCOLN- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK... ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN... SPENCER...CANTON...LENNOX...TEA...HARRISBURG 1158 AM CST MON JAN 21 2008 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON... A SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON. SNOW WILL CONTINUE THOUGH THIS AFTERNOON...HOWEVER SNOW IS EXPECTED TO DECREASE IN INTENSITY BY LATER THIS AFTERNOON. ADDITIONAL SNOW ACCUMULATIONS WILL RANGE FROM 1 TO 3 INCHES THROUGH THE AFTERNOON HOUR. SNOW WILL TAPER OFF ACROSS THE AREA THIS EVENING WITH LITTLE TO NO ADDITIONAL SNOW ACCUMULATION. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL PRIMARILY CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ LIEBL
000 WWUS43 KFSD 212030 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 230 PM CST MON JAN 21 2008 .SNOW ASSOCIATED WITH A FRONTAL BOUNDARY ALOFT WILL MOVE OFF TO THE EAST AND SOUTHEAST OF THE AREA THIS EVENING. IAZ020>022-031-032-NEZ013-014-SDZ070-071-220000- /O.CON.KFSD.SN.Y.0002.000000T0000Z-080122T0000Z/ 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 230 PM CST MON JAN 21 2008 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON... A SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON. MOSTLY LIGHT SNOW WILL BE ENDING THIS EVENING...BUT NOT BEFORE ACCUMULATING ANOTHER INCH OR TWO THE REST OF THE AFTERNOON THROUGH EARLY EVENING. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL PRIMARILY CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IAZ001>003-012>014-SDZ067-220000- /O.CON.KFSD.SN.Y.0002.000000T0000Z-080122T0000Z/ LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-LINCOLN- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK... ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN... SPENCER...CANTON...LENNOX...TEA...HARRISBURG 230 PM CST MON JAN 21 2008 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON... A SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON. MOSTLY LIGHT SNOW WILL BE ENDING THIS EVENING...BUT NOT BEFORE ACCUMULATING ANOTHER INCH OR TWO THE REST OF THE AFTERNOON THROUGH EARLY EVENING. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL PRIMARILY CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ RSR
000 WWUS43 KFSD 212357 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 557 PM CST MON JAN 21 2008 .LIGHT SNOW WILL CONTINUE TO DIMINISH FROM THE NORTHWEST THROUGH THE EVENING...AS THE MID LEVEL FRONTAL BOUNDARY WEAKENS AND MOVES AWAY FROM THE AREA. IAZ020>022-031-032-NEZ013-014-SDZ070-071-220100- /O.EXP.KFSD.SN.Y.0002.000000T0000Z-080122T0000Z/ 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 557 PM CST MON JAN 21 2008 ...SNOW ADVISORY WILL EXPIRE AT 6 PM CST THIS AFTERNOON... THE SNOW ADVISORY WILL EXPIRE AT 6 PM CST THIS AFTERNOON. OCCASIONAL LIGHT SNOW WILL CONTINUE INTO THE EVENING...WITH ANY ADDITIONAL ACCUMULATION EXPECTED TO REMAIN AROUND A HALF INCH OR LESS. $$ IAZ001>003-012>014-SDZ067-220100- /O.EXP.KFSD.SN.Y.0002.000000T0000Z-080122T0000Z/ LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-LINCOLN- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK... ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN... SPENCER...CANTON...LENNOX...TEA...HARRISBURG 557 PM CST MON JAN 21 2008 ...SNOW ADVISORY WILL EXPIRE AT 6 PM CST THIS AFTERNOON... THE SNOW ADVISORY WILL EXPIRE AT 6 PM CST THIS AFTERNOON. OCCASIONAL LIGHT SNOW WILL CONTINUE INTO THE EVENING...WITH ANY ADDITIONAL ACCUMULATION EXPECTED TO REMAIN AROUND A HALF INCH OR LESS. $$ JH
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 19, 10:50 AM CST, 4 hours 26 minutes earlier.
Area forecast discussion, Jan 19, 10:50 AM CST, 4 hours 26 minutes before
AREA FORECAST DISCUSSION FOR SOUTHEAST SD/SOUTHWEST MN/NORTHWEST IA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1050 AM CST SAT JAN 19 2008
.DISCUSSION...
FORECAST PRETTY MUCH ON TRACK THIS MORNING. BATCH OF MID LEVEL
CLOUDS A LITTLE SLOWER TO ADVANCE INTO THE CWA THAN EARLIER FORECAST
AND HAVE SLOWED DOWN IN THE GRIDS...THOUGH NEGLIGIBLE IMPACT ON ZFP
WORDING. TEMPS AND WIND SPEEDS STILL LOOK GOOD AND WILL CONTINUE TO
CARRY WIND CHILL ADVISORY THROUGH 4PM ACROSS OUR NORTHEAST 1/3.
UPDATED GRIDS/PFM HAVE BEEN SENT. NO UPDATE TO ZFP PLANNED AT THIS
TIME. HOWEVER WIND CHILL ADVISORY CONTINUES TO LOOK MORE MARGINAL
AFTER ABOUT 19Z OR SO...AND WILL EVALUATE AGAIN DURING THE EARLY
AFTERNOON FOR POSSIBLE EARLY CANCELLATION.
&&
.AVIATION...
VFR CONDS SHOULD PREVAIL AT KHON...KFSD AND KSUX TODAY...ALTHOUGH
SOME CIGS AROUND 6000 TO 8000 FT AGL MAY WORK THEIR WAY SEWD AS
THROUGH THE AFTERNOON. APPEARS THESE CLOUDS WILL PRIMARLY AFFECT
KHON WITH BETTER MID LEVEL MOISTURE ON LATEST MODELS HAVING A TOUGH
TIME MOVING INTO I-29 CORRIDOR. MORE WIDESPREAD MID LEVEL CIGS...
AGAIN AROUND 6-8KFT LAYER WILL WORK INTO KHON/KFSD FROM THE WEST
AROUND 12Z OR A LITTLE LATER. DEEPER MOISTURE LOOKS TO BE SHUNTED
SOUTH INTO THE MISSOURI RIVER VALLEY...AND WITH POTENTIAL FOR MVFR
CIGS/VSBYS IN -SN INTO KSUX TOWARD 15Z SUNDAY.
&&
.PREV DISCUSSION...
ANOTHER FRIGID DAY ON TAP AS ARCTIC AIR HOLDS STRONG OVER THE
REGION. WINDS HAVE REALLY DROPPED OFF DURING THE OVERNIGHT
HOURS...WITH MOST PLACES REPORTING WIND SPEED LESS THAN 10 MPH. IN
LIGHT OF THIS...ELECTED TO DROP WIND CHILL ADVISORIES OVER MOST OF
THE CWA. THE EXCEPTION BEING OVER OUR NORTHEASTERN ZONES WHERE
COLDEST TEMPERATURES RESIDE...AND WIND SPEEDS ARE EXPECTED TO REMAIN
10 TO 15 MPH THROUGHOUT THE DAY. FOR THIS REASON...KEPT AN ADVISORY
GOING THROUGH 21Z OVER THIS AREA. TECHNICALLY...THERE IS THE
POSSIBILITY THAT THEY MAY NOT BE REACHING WIND CHILL CRITERIA AFTER
18Z...BUT SINCE THAT IS WHAT WE HAD GOING...AND FOR THE SAKE OF
SIMPLICITY...ALLOWED HEADLINE TO GO UNTIL 21Z. DAY SHIFT MAY ELECT
TO DROP IT EARLIER IF IT LOOKS LIKE IT IS NOT PANNING OUT.
OUR ATTENTION THEN TURNS TO THE SYSTEM EXPECTED TO AFFECT PORTIONS
OF OUR AREA LATER TONIGHT. WE WILL BEGIN TO SEE A TRANSITION FROM A
NORTHWEST UPPER LEVEL FLOW BY TONIGHT AS UPPER LOW PUSHES INTO THE
PACIFIC NORTHWEST AND NORTHERN ROCKIES BY LATER THIS AFTERNOON. AS
THE DEEP TROUGH CURRENTLY OVER THE CENTRAL U.S. IS NUDGED EASTWARD
BY THE WESTERN FEATURE...LOW TO MID LEVEL WINDS WILL TURN FROM THE
SOUTHWEST...BRINGING AN OVERRUNNING SITUATION TO THE SOUTHERN
PORTIONS OF OUR AREA BY LATER TONIGHT. WITH AN INCREASING LOW LEVEL
THERMAL GRADIENT DEVELOPING FROM WESTERN/CENTRAL SOUTH DAKOTA TO
EASTERN NEBRASKA AND WESTERN IOWA...ALONG WITH DECENT ISENTROPIC
LIFT...WILL SEE SNOW DEVELOPING OVER OUR FAR SOUTHWEST CWA AFTER 06Z
TONIGHT. MODELS ARE IN PRETTY GOOD AGREEMENT WITH THE SYSTEM...WITH
MODERATE FRONTOGENESIS DEVELOPING AROUND 750 MB OVER OUR SOUTHERN
ZONES BY SUNDAY MORNING...THEN PERSISTING WELL INTO MONDAY
AFTERNOON. THERE LOOKS TO BE PRETTY GOOD UPPER LEVEL SUPPORT WITH
PLENTY OF DIV Q AND UPPER LEVEL DIVERGENCE... WITH THE AREA LOCATED
IN THE RIGHT REAR QUADRANT OF UPPER LEVEL JET MAX. AT THIS POINT
HOWEVER...MOST OF THE PRECIPITATION LOOKS TO REMAIN SOUTH OF
INTERSTATE 90...WITH A RATHER TIGHT MOISTURE GRADIENT FROM NORTH TO
SOUTH. WITH VERY DRY AIR POSITIONED JUST TO THE NORTH OF OUR
CWA...AND A LOW LEVEL FLOW TRANSITIONING OUT OF THE NORTH AND
NORTHEAST THROUGH THE EVENT...THERE IS GOING TO BE A BATTLE BETWEEN
THIS VERY DRY AIR AND MOISTURE/FORCING TO OUR SOUTH. IN LIGHT OF ALL
THIS...HAVE A TIGHT POP GRADIENT ACROSS THE FA...WITH NORTHERN AREAS
MOST LIKELY SEEING LITTLE TO NOTHING IN THE WAY OF PRECIPITATION.
BECAUSE OF THE DURATION OF THE EVENT HOWEVER...OUR FAR SOUTH COULD
SEE 3 TO 5 INCHES OF SNOWFALL BETWEEN SUNDAY MORNING TO MONDAY
AFTERNOON. WHILE QPF AMOUNTS ARE NOT THAT GREAT...WITH THE LIQUID TO
SNOW RATIO ANTICIPATED TO BE IN THE RANGE OF 15/20 TO 1 WITH VERY
COLD AIR IN PLACE...SNOW COULD ACCUMULATE PRETTY EFFICIENTLY.
LOOKS TO DRY OUT ON TUESDAY AS UPPER LEVEL TROUGH FINALLY MOVES
THROUGH...WITH A REINFORCING SHOT OF COLD AIR DROPPING INTO THE
NORTHERN PLAINS LATER ON TUESDAY INTO WEDNESDAY.
&&
.FSD WATCHES/WARNINGS/ADVISORIES...
IA...WIND CHILL ADVY FOR IAZ002-003 UNTIL 4 PM TODAY.
MN...WIND CHILL ADVY FOR MNZ071-072-080-081-089-090-097-098
UNTIL 4 PM TODAY.
NE...NONE.
SD...WIND CHILL ADVY FOR SDZ040 UNTIL 4 PM TODAY.
&&
JHHazardous weather outlook, Jan 19, 5:44 AM CST, 9 hours 32 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SIOUX FALLS SD 0544 AM CST SAT JAN 19 2008 SDZ038>040-050-052>071-MNZ071-072-080-081-089-090-097-098- IAZ001>003-012>014-020>022-031-032-NEZ013-014-201200- 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- 0544 AM CST SAT JAN 19 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST SOUTH DAKOTA... SOUTHWEST MINNESOTA...NORTHWEST IOWA...AND NORTHEAST NEBRASKA. .DAY ONE...TODAY AND TONIGHT WINTER WEATHER... WHILE WINDS WILL BE RELATIVELY LIGHT ACROSS THE AREA TODAY...WITH BITTERLY COLD TEMPERATURES REMAINING...WIND CHILL VALUES WILL BE IN THE RANGE OF 10 TO 30 DEGREES BELOW ZERO ACROSS THE REGION...MAINLY THROUGH MID AFTERNOON. THE LOWEST WIND CHILLS...20 TO 30 BELOW ZERO...WILL BE FOUND NORTHEAST OF A LINE FROM BROOKINGS TO SPENCER WHERE WINDS WILL BE SLIGHTLY HIGHER THROUGH THE DAY. BY TONIGHT...WINDS WILL BECOME NEARLY CALM...SO WHILE BITTERLY COLD TEMPERATURES WILL REMAIN...WIND CHILLS WILL NOT BE AN ISSUE. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY LIGHT SNOW WILL DEVELOP LATE TONIGHT OVER SOUTH CENTRAL SOUTH DAKOTA...THEN SPREAD TO THE EAST THROUGH THE DAY ON SUNDAY. SNOW WILL PERSIST IN AREAS...MAINLY SOUTH OF INTERSTATE 90...INTO MONDAY AFTERNOON. SNOWFALL WILL RANGE FROM AROUND AN INCH ALONG THE I 90 CORRIDOR...TO 3 TO 5 INCHES ALONG THE MISSOURI RIVER. .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.
Nearby
Snow Advisories in Iowa, 2008Snow Advisories in South Dakota, 2008Snow Advisories in Nebraska, 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.