Alert archive / South Dakota / Snow Advisories in 2007
Snow Advisory 9, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this snow advisory at Dec 7, 2007, 3:23 PM CST for 4 states. It took effect at Dec 8, 2007, 4:09 AM CST. It was in force for 24 hr.
The area
The counties it named.
The facts
- Issued
- Dec 7, 2007, 3:23 PM CST (21:23 UTC)
- In effect from
- Dec 8, 2007, 4:09 AM CST
- Expired
- Dec 9, 2007, 4:00 AM CST
- In force
- 24 hr
- Issued by
- NWS Sioux Falls, SD
All 31 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, Jackson County, MN, Nobles County, MN, Rock County, MN, Dakota County, NE, Dixon County, NE, Aurora County, SD, Bon Homme County, SD, Charles Mix County, SD, Clay County, SD, Davison County, SD, Douglas County, SD, Gregory County, SD, Hanson County, SD, Hutchinson County, SD, Lincoln County, SD, McCook County, SD, Minnehaha County, SD, Turner County, SD, Union County, SD, Yankton County, SD
The radar
The Sioux Falls radar (KFSD), 47 km from the middle of the area, began a volume at 21:23 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, 9.4 hours before the alert went out and 207 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
- 768 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- -60 m²/s²
- 0-3 km storm-relative helicity
- 89 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 072123 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 323 PM CST FRI DEC 7 2007 .A PERSISTENT FEED OF MOISTURE IN THE MID AND UPPER LEVELS OF THE ATMOSPHERE...WILL MOVE OVER A COLD AIRMASS IN THE LOW LEVELS OF THE ATMOSPHERE. THIS COLD AIRMASS NEAR THE SURFACE WILL GRADUALLY INCREASE WITH MOISTURE LATE TONIGHT AND SATURDAY. SNOW WILL MOVE NORTHWARD AND OVERSPREAD THE AREA LATE TONIGHT AND SATURDAY...WITH SOME HEAVY ACCUMULATING SNOWFALL SOUTH OF INTERSTATE 90 OVER PARTS OF EXTREME SOUTHEAST SOUTH DAKOTA...AND NORTHWEST IOWA AROUND SIOUX CITY. IAZ020-031-NEZ013-014-SDZ069>071-080530- /O.UPG.KFSD.WS.A.0007.071208T1200Z-071209T0300Z/ /O.NEW.KFSD.HS.W.0002.071208T1500Z-071209T0600Z/ 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 323 PM CST FRI DEC 7 2007 ...HEAVY SNOW WARNING IN EFFECT FROM 9 AM SATURDAY TO MIDNIGHT CST SATURDAY NIGHT... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A HEAVY SNOW WARNING...WHICH IS IN EFFECT FROM 9 AM SATURDAY TO MIDNIGHT CST SATURDAY NIGHT. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. SNOW WILL GRADUALLY INCREASE IN COVERAGE VERY LATE TONIGHT AND EARLY SATURDAY...ACCUMULATING THROUGH THE DAY SATURDAY AND SATURDAY EVENING. SNOW WILL BE HEAVY AT TIMES SATURDAY AFTERNOON AND EARLY EVENING. TOTAL SNOWFALL AMOUNTS WILL BE IN THE 5 TO 8 INCH RANGE. THE NORTHEAST SURFACE WINDS WILL NOT BE VERY STRONG WITH THIS SYSTEM...AVERAGING ONLY ABOUT 10 TO 15 MPH. A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. $$ SDZ050-063-068-080530- /O.UPG.KFSD.WS.A.0007.071208T1200Z-071209T0300Z/ /O.NEW.KFSD.SN.Y.0009.071208T1200Z-071209T0000Z/ GREGORY-CHARLES MIX-BON HOMME- INCLUDING THE CITIES OF...GREGORY...BURKE...WAGNER...PLATTE... LAKE ANDES...MARTY...TYNDALL...SCOTLAND...SPRINGFIELD...AVON... TABOR 323 PM CST FRI DEC 7 2007 ...SNOW ADVISORY IN EFFECT FROM 6 AM TO 6 PM CST SATURDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SNOW ADVISORY...WHICH IS IN EFFECT FROM 6 AM TO 6 PM CST SATURDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. SNOW WILL INCREASE IN COVERAGE LATE TONIGHT...WITH WIDESPREAD MODERATE ACCUMULATING SNOW ON SATURDAY. TOTAL SNOWFALL AMOUNTS OF 3 TO 6 INCHES WILL BE COMMON. THE HEAVIER AMOUNTS WILL BE SITUATED TOWARD THE NEBRASKA BORDER...WITH THE 3 INCH AMOUNTS EXPECTED JUST SOUTH OF I 90. THE NORTHEAST SURFACE WINDS WILL NOT BE VERY STRONG WITH THIS SYSTEM...AVERAGING ONLY 5 TO 15 MPH. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ SDZ064-065-080530- /O.NEW.KFSD.SN.Y.0009.071208T1200Z-071209T0000Z/ DOUGLAS-HUTCHINSON- INCLUDING THE CITIES OF...ARMOUR...CORSICA...DELMONT...PARKSTON... FREEMAN...MENNO...TRIPP 323 PM CST FRI DEC 7 2007 ...SNOW ADVISORY IN EFFECT FROM 6 AM TO 6 PM CST SATURDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SNOW ADVISORY...WHICH IS IN EFFECT FROM 6 AM TO 6 PM CST SATURDAY. SNOW IS EXPECTED TO BEGIN DEVELOPING VERY LATE TONIGHT... INCREASING IN COVERAGE SATURDAY MORNING. WIDESPREAD MODERATE ACCUMULATING SNOW WILL OCCUR ON SATURDAY WITH TOTAL AMOUNTS OF 3 TO 5 INCHES COMMON. THE NORTHEAST SURFACE WINDS WILL NOT BE VERY STRONG WITH THIS SYSTEM...AVERAGING ONLY 5 TO 15 MPH. 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. $$ IAZ001>003-012>014-021-022-032-SDZ066-067-080530- /O.NEW.KFSD.SN.Y.0009.071208T1800Z-071209T0600Z/ LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-CHEROKEE-BUENA VISTA-IDA- TURNER-LINCOLN- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK... ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN... SPENCER...CHEROKEE...STORM LAKE...IDA GROVE...HOLSTEIN... BATTLE CREEK...PARKER...CENTERVILLE...MARION...VIBORG...HURLEY... CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG 323 PM CST FRI DEC 7 2007 ...SNOW ADVISORY IN EFFECT FROM 12 PM SATURDAY TO MIDNIGHT CST SATURDAY NIGHT... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SNOW ADVISORY...WHICH IS IN EFFECT FROM 12 PM SATURDAY TO MIDNIGHT CST SATURDAY NIGHT. SNOW WILL INCREASE IN COVERAGE ON SATURDAY...WITH WIDESPREAD MODERATE ACCUMULATING SNOWFALL SATURDAY AFTERNOON AND EVENING. TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 6 INCHES WILL BE COMMON. THE LIGHTER AMOUNTS WILL BE SITUATED ALONG THE MINNESOTA BORDER...THEN WILL PROGRESSIVELY GET HEAVIER HEADING SOUTHWARD. THE NORTHEAST SURFACE WINDS WILL NOT BE VERY STRONG WITH THIS SYSTEM...AVERAGING ONLY 10 TO 15 MPH. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MJF
6 follow-up statements
000 WWUS43 KFSD 080333 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 933 PM CST FRI DEC 7 2007 .LOW PRESSURE ALOFT IN THE ROCKIES WILL CAUSE MOISTURE TO FLOW NORTH OVER THE VERY COLD AIR IN THE AREA THIS WEEKEND. THIS WILL CAUSE SNOW TO DEVELOP NEAR THE MISSOURI VALLEY SATURDAY MORNING...SPREADING NORTHEASTWARD TO AREAS ALONG AND SOUTH OF INTERSTATE 90 SATURDAY AFTERNOON AND EVENING. NEW SNOWFALL AMOUNTS THROUGH SATURDAY EVENING SHOULD RANGE FROM 1 TO 3 INCHES NORTH OF INTERSTATE 90...TO 6 TO 8 INCHES IN FAR SOUTHEAST SOUTH DAKOTA NEAR THE MISSOURI RIVER. IAZ020-031-NEZ013-014-SDZ069>071-081145- /O.EXT.KFSD.HS.W.0002.071208T1700Z-071209T0800Z/ 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 933 PM CST FRI DEC 7 2007 ...HEAVY SNOW WARNING NOW IN EFFECT FROM 11 AM SATURDAY TO 2 AM CST SUNDAY... THE HEAVY SNOW WARNING IS NOW IN EFFECT FROM 11 AM SATURDAY TO 2 AM CST SUNDAY. SNOW WILL GRADUALLY INCREASE IN COVERAGE FROM VERY LATE TONIGHT THROUGH SATURDAY MORNING...ACCUMULATING THROUGH THE DAY SATURDAY AND SATURDAY EVENING. SNOW WILL BE HEAVY AT TIMES SATURDAY AFTERNOON AND EARLY EVENING. TOTAL SNOWFALL AMOUNTS SHOULD BE IN THE 5 TO 8 INCH RANGE. THE NORTHEAST SURFACE WINDS WILL NOT BE VERY STRONG WITH THIS SYSTEM...AVERAGING ONLY ABOUT 10 TO 15 MPH. A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. $$ SDZ058>060-081145- /O.EXB.KFSD.SN.Y.0009.071208T1500Z-071209T0200Z/ AURORA-DAVISON-HANSON- INCLUDING THE CITIES OF...PLANKINTON...WHITE LAKE...STICKNEY... MITCHELL...ALEXANDRIA...EMERY 933 PM CST FRI DEC 7 2007 ...SNOW ADVISORY IN EFFECT FROM 9 AM TO 8 PM CST SATURDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SNOW ADVISORY...WHICH IS IN EFFECT FROM 9 AM TO 8 PM CST SATURDAY. SNOW WILL INCREASE IN COVERAGE ON SATURDAY...WITH MODERATE ACCUMULATING SNOWFALL EXPECTED SATURDAY AFTERNOON AND EVENING. 3 TO 5 INCHES OF FLUFFY SNOWFALL IS EXPECTED...WITH THE HEAVIER AMOUNTS SOUTH OF INTERSTATE 90. THE NORTHEAST SURFACE WINDS WILL NOT BE VERY STRONG WITH THIS SYSTEM...AVERAGING ONLY 10 TO 15 MPH. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MNZ089-098-SDZ061-062-081145- /O.EXB.KFSD.SN.Y.0009.071208T2000Z-071209T0800Z/ NOBLES-ROCK-MCCOOK-MINNEHAHA- INCLUDING THE CITIES OF...WORTHINGTON...LUVERNE...SALEM... CANISTOTA...BRIDGEWATER...MONTROSE...SIOUX FALLS 933 PM CST FRI DEC 7 2007 ...SNOW ADVISORY IN EFFECT FROM 2 PM SATURDAY TO 2 AM CST SUNDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SNOW ADVISORY...WHICH IS IN EFFECT FROM 2 PM SATURDAY TO 2 AM CST SUNDAY. SNOW WILL DEVELOP IN THE AREA AROUND NOON SATURDAY...THEN SHOULD BECOME WIDESPREAD SATURDAY AFTERNOON AND EVENING. GENERALLY 3 TO 5 INCHES SNOWFALL IS EXPECTED...WITH THE HEAVIER AMOUNTS SOUTH OF INTERSTATE 90. THE NORTHEAST SURFACE WINDS WILL NOT BE VERY STRONG WITH THIS SYSTEM...AVERAGING ONLY 10 TO 15 MPH. 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. $$ SDZ050-063>065-068-081145- /O.EXT.KFSD.SN.Y.0009.071208T1200Z-071209T0200Z/ GREGORY-CHARLES MIX-DOUGLAS-HUTCHINSON-BON HOMME- INCLUDING THE CITIES OF...GREGORY...BURKE...WAGNER...PLATTE... LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT...PARKSTON... FREEMAN...MENNO...TRIPP...TYNDALL...SCOTLAND...SPRINGFIELD... AVON...TABOR 933 PM CST FRI DEC 7 2007 ...SNOW ADVISORY NOW IN EFFECT FROM 6 AM TO 8 PM CST SATURDAY... THE SNOW ADVISORY IS NOW IN EFFECT FROM 6 AM TO 8 PM CST SATURDAY. SNOW WILL INCREASE IN COVERAGE LATE TONIGHT...WITH WIDESPREAD MODERATE ACCUMULATING SNOW ON SATURDAY. TOTAL SNOWFALL AMOUNTS OF 4 TO 6 INCHES WILL BE COMMON. THE HEAVIER AMOUNTS WILL BE SITUATED TOWARD THE NEBRASKA BORDER...WITH THE 4 INCH AMOUNTS EXPECTED JUST SOUTH OF I 90. THE NORTHEAST SURFACE WINDS WILL NOT BE VERY STRONG WITH THIS SYSTEM...AVERAGING ONLY 5 TO 15 MPH. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IAZ001>003-012>014-021-022-032-SDZ066-067-081145- /O.EXT.KFSD.SN.Y.0009.071208T2000Z-071209T0800Z/ LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-CHEROKEE-BUENA VISTA-IDA- 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...IDA GROVE...HOLSTEIN... BATTLE CREEK...PARKER...CENTERVILLE...MARION...VIBORG...HURLEY... CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG 933 PM CST FRI DEC 7 2007 ...SNOW ADVISORY NOW IN EFFECT FROM 2 PM SATURDAY TO 2 AM CST SUNDAY... THE SNOW ADVISORY IS NOW IN EFFECT FROM 2 PM SATURDAY TO 2 AM CST SUNDAY. SNOW WILL INCREASE IN COVERAGE BY SATURDAY AFTERNOON...WITH WIDESPREAD MODERATE ACCUMULATING SNOWFALL EXPECTED SATURDAY AFTERNOON INTO THE NIGHT. TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 6 INCHES WILL BE COMMON. THE NORTHEAST SURFACE WINDS WILL NOT BE VERY STRONG WITH THIS SYSTEM...AVERAGING ONLY 10 TO 15 MPH. 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. $$ RSR
000 WWUS43 KFSD 081009 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 409 AM CST SAT DEC 8 2007 .LOW PRESSURE ALOFT IN THE ROCKIES WILL CAUSE MOISTURE TO FLOW NORTH OVER THE VERY COLD AIR IN THE AREA THIS WEEKEND. THIS WILL CAUSE SNOW TO DEVELOP NEAR THE MISSOURI VALLEY SATURDAY MORNING... SPREADING NORTHEASTWARD TO AREAS ALONG AND SOUTH OF INTERSTATE 90 SATURDAY AFTERNOON AND EVENING. NEW SNOWFALL AMOUNTS THROUGH SATURDAY EVENING SHOULD RANGE FROM 1 TO 3 INCHES NORTH OF INTERSTATE 90...TO 6 TO 8 INCHES IN FAR SOUTHEAST SOUTH DAKOTA NEAR THE MISSOURI RIVER. IAZ020-031-NEZ013-014-SDZ069>071-081815- /O.EXT.KFSD.HS.W.0002.071208T1800Z-071209T0800Z/ PLYMOUTH-WOODBURY-DIXON-DAKOTA-YANKTON-CLAY-UNION- INCLUDING THE CITIES OF...LE MARS...SIOUX CITY...WAKEFIELD... PONCA...ALLEN...SOUTH SIOUX CITY...YANKTON...VERMILLION... NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON 409 AM CST SAT DEC 8 2007 ...HEAVY SNOW WARNING NOW IN EFFECT FROM NOON TODAY TO 2 AM CST SUNDAY... THE HEAVY SNOW WARNING IS NOW IN EFFECT FROM NOON TODAY TO 2 AM CST SUNDAY. SNOW WILL EXPAND INTO THE AREA FROM THE SOUTH BY LATE MORNING... BECOMING MORE INTENSE AND HEAVY AT TIMES THROUGH THE AFTERNOON AND EVENING. THE COLDER AIRMASS WILL ALLOW FOR A FLUFFIER SNOW WHICH CAN PILE UP QUICKLY. TOTAL SNOWFALL AMOUNTS SHOULD BE IN THE 5 TO 8 INCH RANGE THROUGH MIDNIGHT TONIGHT...WITH ADDITIONAL LIGHT ACCUMULATIONS LIKELY INTO SUNDAY MORNING. THE NORTHEAST SURFACE WINDS WILL NOT BE VERY STRONG WITH THIS SYSTEM...AVERAGING ONLY ABOUT 10 TO 15 MPH. A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. $$ MNZ090-081815- /O.EXB.KFSD.SN.Y.0009.071208T2200Z-071209T1000Z/ JACKSON- INCLUDING THE CITIES OF...JACKSON...LAKEFIELD 409 AM CST SAT DEC 8 2007 ...SNOW ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM CST SUNDAY... 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 SUNDAY. LIGHT SNOW WILL EXPAND INTO THE AREA FROM THE SOUTH THROUGH THE AFTERNOON...BECOMING MORE INTENSE DURING THE LATE AFTERNOON AND OVERNIGHT HOURS. THE COLDER AIRMASS WILL ALLOW FOR A FLUFFIER SNOW WHICH CAN PILE UP QUICKLY. TOTAL SNOWFALL AMOUNTS SHOULD BE IN THE 3 TO 6 INCH RANGE THROUGH EARLY SUNDAY MORNING. THE NORTHEAST SURFACE WINDS WILL NOT BE VERY STRONG WITH THIS SYSTEM...AVERAGING ONLY ABOUT 10 TO 15 MPH. 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. $$ SDZ050-063-068-081815- /O.EXT.KFSD.SN.Y.0009.071208T1200Z-071209T0400Z/ GREGORY-CHARLES MIX-BON HOMME- INCLUDING THE CITIES OF...GREGORY...BURKE...WAGNER...PLATTE... LAKE ANDES...MARTY...TYNDALL...SCOTLAND...SPRINGFIELD...AVON... TABOR 409 AM CST SAT DEC 8 2007 ...SNOW ADVISORY NOW IN EFFECT UNTIL 10 PM CST THIS EVENING... THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 10 PM CST THIS EVENING. LIGHT SNOW WILL EXPAND ACROSS THE AREA THROUGH THE MORNING...BECOMING MORE INTENSE FROM LATE MORNING INTO THIS EVENING. THE COLDER AIRMASS WILL ALLOW FOR A FLUFFIER SNOW WHICH CAN PILE UP QUICKLY. TOTAL SNOWFALL AMOUNTS SHOULD BE IN THE 3 TO 6 INCH RANGE THROUGH THIS EVENING...WITH ADDITIONAL LIGHT ACCUMULATIONS POSSIBLE INTO SUNDAY MORNING. THE NORTHEAST SURFACE WINDS WILL NOT BE VERY STRONG WITH THIS SYSTEM...AVERAGING ONLY ABOUT 10 TO 15 MPH. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ SDZ058>060-064-065-081815- /O.EXT.KFSD.SN.Y.0009.071208T1800Z-071209T0400Z/ AURORA-DAVISON-HANSON-DOUGLAS-HUTCHINSON- INCLUDING THE CITIES OF...PLANKINTON...WHITE LAKE...STICKNEY... MITCHELL...ALEXANDRIA...EMERY...ARMOUR...CORSICA...DELMONT... PARKSTON...FREEMAN...MENNO...TRIPP 409 AM CST SAT DEC 8 2007 ...SNOW ADVISORY NOW IN EFFECT FROM NOON TODAY TO 10 PM CST THIS EVENING... THE SNOW ADVISORY IS NOW IN EFFECT FROM NOON TODAY TO 10 PM CST THIS EVENING. LIGHT SNOW WILL EXPAND INTO THE AREA FROM THE SOUTH THROUGH THE AFTERNOON...BECOMING MORE INTENSE DURING THE LATE AFTERNOON AND OVERNIGHT HOURS. THE COLDER AIRMASS WILL ALLOW FOR A FLUFFIER SNOW WHICH CAN PILE UP QUICKLY. TOTAL SNOWFALL AMOUNTS SHOULD BE IN THE 2 TO 5 INCH RANGE THROUGH THIS EVENING...THOUGH ADDITIONAL LIGHT ACCUMULATIONS WILL BE POSSIBLE INTO SUNDAY MORNING. THE NORTHEAST SURFACE WINDS WILL NOT BE VERY STRONG WITH THIS SYSTEM...AVERAGING ONLY ABOUT 10 TO 15 MPH. 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. $$ IAZ002-003-MNZ089-081815- /O.EXT.KFSD.SN.Y.0009.071208T2200Z-071209T1000Z/ OSCEOLA-DICKINSON-NOBLES- INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD... ARNOLDS PARK...WORTHINGTON 409 AM CST SAT DEC 8 2007 ...SNOW ADVISORY NOW IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM CST SUNDAY... THE SNOW ADVISORY IS NOW IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM CST SUNDAY. LIGHT SNOW WILL EXPAND INTO THE AREA FROM THE SOUTH THROUGH THE AFTERNOON...BECOMING MORE INTENSE DURING THE LATE AFTERNOON AND OVERNIGHT HOURS. THE COLDER AIRMASS WILL ALLOW FOR A FLUFFIER SNOW WHICH CAN PILE UP QUICKLY. TOTAL SNOWFALL AMOUNTS SHOULD BE IN THE 3 TO 6 INCH RANGE THROUGH EARLY SUNDAY MORNING. THE NORTHEAST SURFACE WINDS WILL NOT BE VERY STRONG WITH THIS SYSTEM...AVERAGING ONLY ABOUT 10 TO 15 MPH. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IAZ001-012>014-021-022-032-MNZ098-SDZ061-062-066-067-081815- /O.CON.KFSD.SN.Y.0009.071208T2000Z-071209T0800Z/ LYON-SIOUX-OBRIEN-CLAY-CHEROKEE-BUENA VISTA-IDA-ROCK-MCCOOK- MINNEHAHA-TURNER-LINCOLN- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY... SANBORN...SPENCER...CHEROKEE...STORM LAKE...IDA GROVE... HOLSTEIN...BATTLE CREEK...LUVERNE...SALEM...CANISTOTA... BRIDGEWATER...MONTROSE...SIOUX FALLS...PARKER...CENTERVILLE... MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...LENNOX...TEA... HARRISBURG 409 AM CST SAT DEC 8 2007 ...SNOW ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 2 AM CST SUNDAY... A SNOW ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 2 AM CST SUNDAY. LIGHT SNOW WILL EXPAND INTO THE AREA FROM THE SOUTH TOWARD MIDDAY... BECOMING MORE INTENSE FROM MID AFTERNOON INTO THE OVERNIGHT HOURS. THE COLDER AIRMASS WILL ALLOW FOR A FLUFFIER SNOW WHICH CAN PILE UP QUICKLY. TOTAL SNOWFALL AMOUNTS SHOULD BE IN THE 3 TO 6 INCH RANGE THROUGH EARLY SUNDAY MORNING...THOUGH ADDITIONAL LIGHT ACCUMULATIONS WILL BE POSSIBLE THROUGH THE DAY SUNDAY. THE NORTHEAST SURFACE WINDS WILL NOT BE VERY STRONG WITH THIS SYSTEM...AVERAGING ONLY ABOUT 10 TO 15 MPH. 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. $$ JH
000 WWUS43 KFSD 081437 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 837 AM CST SAT DEC 8 2007 .LOW PRESSURE ALOFT IN THE ROCKIES WILL CAUSE MOISTURE TO FLOW NORTH OVER THE VERY COLD AIR IN THE AREA THIS WEEKEND. THIS WILL CAUSE SNOW TO DEVELOP NEAR THE MISSOURI VALLEY BY THIS AFTERNOON SPREADING NORTHEASTWARD TO AREAS ALONG AND SOUTH OF INTERSTATE 90 SATURDAY BY EVENING. IAZ020-031-NEZ013-014-SDZ069>071-082245- /O.EXT.KFSD.HS.W.0002.071208T2000Z-071209T0800Z/ PLYMOUTH-WOODBURY-DIXON-DAKOTA-YANKTON-CLAY-UNION- INCLUDING THE CITIES OF...LE MARS...SIOUX CITY...WAKEFIELD... PONCA...ALLEN...SOUTH SIOUX CITY...YANKTON...VERMILLION... NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON 837 AM CST SAT DEC 8 2007 ...HEAVY SNOW WARNING NOW IN EFFECT FROM 2 PM THIS AFTERNOON TO 2 AM CST SUNDAY... THE HEAVY SNOW WARNING IS NOW IN EFFECT FROM 2 PM THIS AFTERNOON TO 2 AM CST SUNDAY. SNOW WILL EXPAND INTO THE AREA FROM THE SOUTH BY LATE AFTERNOON AND PERSIST INTO TONIGHT. TOTAL SNOWFALL AMOUNTS SHOULD BE IN THE 5 TO 7 INCH RANGE. THE NORTHEAST SURFACE WINDS WILL NOT BE VERY STRONG WITH THIS SYSTEM...AVERAGING ONLY ABOUT 10 TO 15 MPH. A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. $$ SDZ050-063-068-082245- /O.EXT.KFSD.SN.Y.0009.000000T0000Z-071209T0600Z/ GREGORY-CHARLES MIX-BON HOMME- INCLUDING THE CITIES OF...GREGORY...BURKE...WAGNER...PLATTE... LAKE ANDES...MARTY...TYNDALL...SCOTLAND...SPRINGFIELD...AVON... TABOR 837 AM CST SAT DEC 8 2007 ...SNOW ADVISORY NOW IN EFFECT FROM NOON TODAY TO MIDNIGHT CST TONIGHT... THE SNOW ADVISORY IS NOW IN EFFECT FROM NOON TODAY TO MIDNIGHT CST TONIGHT. LIGHT SNOW WILL EXPAND ACROSS THE AREA THROUGH THE MORNING... BECOMING MORE INTENSE FROM THIS AFTERNOON INTO TONIGHT. TOTAL SNOWFALL AMOUNTS SHOULD BE IN THE 3 TO 6 INCH RANGE. NORTHEAST SURFACE WINDS WILL NOT BE VERY STRONG WITH THIS SYSTEM...AVERAGING ONLY ABOUT 10 TO 15 MPH. 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. $$ IAZ001-012>014-021-022-032-MNZ098-SDZ061-062-066-067-082245- /O.EXT.KFSD.SN.Y.0009.071208T2200Z-071209T1000Z/ LYON-SIOUX-OBRIEN-CLAY-CHEROKEE-BUENA VISTA-IDA-ROCK-MCCOOK- MINNEHAHA-TURNER-LINCOLN- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY... SANBORN...SPENCER...CHEROKEE...STORM LAKE...IDA GROVE... HOLSTEIN...BATTLE CREEK...LUVERNE...SALEM...CANISTOTA... BRIDGEWATER...MONTROSE...SIOUX FALLS...PARKER...CENTERVILLE... MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...LENNOX...TEA... HARRISBURG 837 AM CST SAT DEC 8 2007 ...SNOW ADVISORY NOW IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM CST SUNDAY... THE SNOW ADVISORY IS NOW IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM CST SUNDAY. LIGHT SNOW WILL EXPAND INTO THE AREA THIS AFTERNOON...BECOMING MORE INTENSE AT TIMES TONIGHT. TOTAL SNOWFALL AMOUNTS SHOULD BE IN THE 3 TO 5 INCH RANGE. NORTHEAST SURFACE WINDS WILL NOT BE VERY STRONG WITH THIS SYSTEM...AVERAGING ONLY ABOUT 10 TO 15 MPH. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ SDZ058>060-064-065-082245- /O.EXT.KFSD.SN.Y.0009.071208T1800Z-071209T0600Z/ AURORA-DAVISON-HANSON-DOUGLAS-HUTCHINSON- INCLUDING THE CITIES OF...PLANKINTON...WHITE LAKE...STICKNEY... MITCHELL...ALEXANDRIA...EMERY...ARMOUR...CORSICA...DELMONT... PARKSTON...FREEMAN...MENNO...TRIPP 837 AM CST SAT DEC 8 2007 ...SNOW ADVISORY NOW IN EFFECT FROM NOON TODAY TO MIDNIGHT CST TONIGHT... THE SNOW ADVISORY IS NOW IN EFFECT FROM NOON TODAY TO MIDNIGHT CST TONIGHT. LIGHT SNOW WILL EXPAND INTO THE AREA FROM THE SOUTH THROUGH THE AFTERNOON...BECOMING MORE INTENSE DURING THE LATE AFTERNOON AND OVERNIGHT HOURS. TOTAL SNOWFALL AMOUNTS SHOULD BE IN THE 2 TO 5 INCH RANGE. NORTHEAST SURFACE WINDS WILL NOT BE VERY STRONG WITH THIS SYSTEM...AVERAGING ONLY ABOUT 10 TO 15 MPH. 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. $$ IAZ002-003-MNZ089-090-082245- /O.CON.KFSD.SN.Y.0009.071208T2200Z-071209T1000Z/ OSCEOLA-DICKINSON-NOBLES-JACKSON- INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD... ARNOLDS PARK...WORTHINGTON...JACKSON...LAKEFIELD 837 AM CST SAT DEC 8 2007 ...SNOW ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM CST SUNDAY... A SNOW ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM CST SUNDAY. LIGHT SNOW WILL EXPAND INTO THE AREA FROM THE SOUTH THIS AFTERNOON ...BECOMING MORE INTENSE AT TIMES TONIGHT. TOTAL SNOWFALL AMOUNTS SHOULD BE IN THE 3 TO 5 INCH RANGE. NORTHEAST SURFACE WINDS WILL NOT BE VERY STRONG WITH THIS SYSTEM...AVERAGING ONLY ABOUT 10 TO 15 MPH. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS43 KFSD 081932 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 132 PM CST SAT DEC 8 2007 .LOW PRESSURE ALOFT IN THE ROCKIES WILL CAUSE MOISTURE TO FLOW NORTH OVER THE VERY COLD AIR IN THE AREA THIS WEEKEND. THIS WILL CAUSE SNOW TO SPREAD NORTHEAST ACROSS THE AREA THIS AFTERNOON AND TONIGHT. THE HEAVIEST SNOW SHOULD FALL SOUTH OF INTERSTATE 90. IAZ020-031-NEZ013-014-SDZ069>071-090345- /O.CAN.KFSD.HS.W.0002.071208T2000Z-071209T0800Z/ /O.EXB.KFSD.SN.Y.0009.000000T0000Z-071209T0800Z/ 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 132 PM CST SAT DEC 8 2007 ...SNOW ADVISORY IN EFFECT UNTIL 2 AM CST SUNDAY... ...HEAVY SNOW WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 2 AM CST SUNDAY. THE HEAVY SNOW WARNING HAS BEEN CANCELLED. SNOW WILL CONTINUE TO SPREAD NORTHEAST ACROSS THE AREAS THE REST OF THE AFTERNOON AND INTO THE EVENING. TOTAL SNOW ACCUMULATIONS OF 4 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. $$ SDZ058>060-082045- /O.CAN.KFSD.SN.Y.0009.000000T0000Z-071209T0600Z/ AURORA-DAVISON-HANSON- INCLUDING THE CITIES OF...PLANKINTON...WHITE LAKE...STICKNEY... MITCHELL...ALEXANDRIA...EMERY 132 PM CST SAT DEC 8 2007 ...SNOW ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE SNOW ADVISORY. PERIODS OF LIGHT SNOW WILL OCCUR THE REST OF THE AFTERNOON AND INTO TONIGHT. TOTAL SNOW ACCUMULATIONS AROUND 2 INCHES CAN BE EXPECTED. $$ MNZ089-090-098-SDZ061-062-082045- /O.CAN.KFSD.SN.Y.0009.071208T2200Z-071209T1000Z/ NOBLES-JACKSON-ROCK-MCCOOK-MINNEHAHA- INCLUDING THE CITIES OF...WORTHINGTON...JACKSON...LAKEFIELD... LUVERNE...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE... SIOUX FALLS 132 PM CST SAT DEC 8 2007 ...SNOW ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE SNOW ADVISORY. PERIODS OF LIGHT SNOW CAN BE EXPECTED LATE THIS AFTERNOON AND INTO TONIGHT. TOTAL SNOW ACCUMULATIONS OF 1 TO 3 INCHES CAN BE EXPECTED. $$ IAZ001-012>014-021-022-032-SDZ066-067-090345- /O.EXT.KFSD.SN.Y.0009.071208T2000Z-071209T0800Z/ LYON-SIOUX-OBRIEN-CLAY-CHEROKEE-BUENA VISTA-IDA-TURNER-LINCOLN- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY... SANBORN...SPENCER...CHEROKEE...STORM LAKE...IDA GROVE... HOLSTEIN...BATTLE CREEK...PARKER...CENTERVILLE...MARION... VIBORG...HURLEY...CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG 132 PM CST SAT DEC 8 2007 ...SNOW ADVISORY NOW IN EFFECT UNTIL 2 AM CST SUNDAY... THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 2 AM CST SUNDAY. SNOW WILL EXPAND INTO THE AREA THE REST OF THE AFTERNOON AND INTO TONIGHT. TOTAL SNOW ACCUMULATIONS OF 2 TO 5 INCHES CAN BE EXPECTED WITH THE HEAVIEST SNOW ACROSS NORTHWEST IOWA. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IAZ002-003-090345- /O.EXT.KFSD.SN.Y.0009.071208T2200Z-071209T0800Z/ OSCEOLA-DICKINSON- INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD... ARNOLDS PARK 132 PM CST SAT DEC 8 2007 ...SNOW ADVISORY NOW IN EFFECT UNTIL 2 AM CST SUNDAY... THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 2 AM CST SUNDAY. SNOW WILL EXPAND INTO THE AREA FROM THE SOUTH THE REST OF THE AFTERNOON AND INTO TONIGHT. TOTAL SNOWFALL AMOUNTS SHOULD BE IN THE 3 TO 5 INCH RANGE. 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. $$ SDZ050-063-068-090345- /O.CON.KFSD.SN.Y.0009.000000T0000Z-071209T0600Z/ GREGORY-CHARLES MIX-BON HOMME- INCLUDING THE CITIES OF...GREGORY...BURKE...WAGNER...PLATTE... LAKE ANDES...MARTY...TYNDALL...SCOTLAND...SPRINGFIELD...AVON... TABOR 132 PM CST SAT DEC 8 2007 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT... A SNOW ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT. SNOW WILL CONTINUE ACROSS THE AREA THIS AFTERNOON INTO THIS EVENING. TOTAL ACCUMULATIONS OF 2 TO 5 INCHES CAN BE EXPECTED. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ SDZ064-065-090345- /O.CON.KFSD.SN.Y.0009.000000T0000Z-071209T0600Z/ DOUGLAS-HUTCHINSON- INCLUDING THE CITIES OF...ARMOUR...CORSICA...DELMONT...PARKSTON... FREEMAN...MENNO...TRIPP 132 PM CST SAT DEC 8 2007 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT... A SNOW ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT. SNOW WILL EXPAND INTO THE AREA FROM THE SOUTH THROUGH THE AFTERNOON. AND INTO THIS EVENING. TOTAL 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. $$
000 WWUS43 KFSD 090212 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 812 PM CST SAT DEC 8 2007 .LOW PRESSURE ALOFT IN THE ROCKIES WILL CAUSE MOISTURE TO FLOW NORTH OVER THE VERY COLD AIR IN THE AREA. THIS WILL STILL CAUSE PERIODS OF SNOW SOUTHEAST OF A LINE FROM WAGNER TO SIOUX FALLS TO JACKSON MINNESOTA THROUGH TONIGHT. THE HEAVIEST SNOW SHOULD OCCUR IN A BAND EXTENDING FROM NEAR YANKTON AND VERMILLION IN FAR SOUTHEAST SOUTH DAKOTA TO NEAR SPENCER IN NORTHWEST IOWA. SDZ050-063>065-090315- /O.CAN.KFSD.SN.Y.0009.000000T0000Z-071209T0600Z/ GREGORY-CHARLES MIX-DOUGLAS-HUTCHINSON- INCLUDING THE CITIES OF...GREGORY...BURKE...WAGNER...PLATTE... LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT...PARKSTON... FREEMAN...MENNO...TRIPP 812 PM CST SAT DEC 8 2007 ...SNOW ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE SNOW ADVISORY. SNOW SHOULD BE LIGHT TONIGHT WITH AN INCH OR TWO ACCUMULATION POSSIBLE. $$ IAZ020-031-NEZ013-014-SDZ069>071-091000- /O.EXT.KFSD.SN.Y.0009.000000T0000Z-071209T1000Z/ 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 812 PM CST SAT DEC 8 2007 ...SNOW ADVISORY NOW IN EFFECT UNTIL 4 AM CST SUNDAY... THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 4 AM CST SUNDAY. ANOTHER PERIOD OF SNOW IS EXPECTED TONIGHT BEFORE TAPERING OFF SUNDAY MORNING. AN ADDITIONAL 1 TO 3 INCHES IS LIKELY...WITH A TOTAL ACCUMULATION OF 4 TO 8 INCHES 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. $$ SDZ068-091000- /O.EXT.KFSD.SN.Y.0009.000000T0000Z-071209T1000Z/ BON HOMME- INCLUDING THE CITIES OF...TYNDALL...SCOTLAND...SPRINGFIELD... AVON...TABOR 812 PM CST SAT DEC 8 2007 ...SNOW ADVISORY NOW IN EFFECT UNTIL 4 AM CST SUNDAY... THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 4 AM CST SUNDAY. SNOW SHOULD CONTINUE TONIGHT...WITH ANOTHER 2 TO 3 INCHES SNOWFALL EXPECTED. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IAZ001-012>014-021-022-032-SDZ066-067-091000- /O.EXT.KFSD.SN.Y.0009.000000T0000Z-071209T1000Z/ LYON-SIOUX-OBRIEN-CLAY-CHEROKEE-BUENA VISTA-IDA-TURNER-LINCOLN- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY... SANBORN...SPENCER...CHEROKEE...STORM LAKE...IDA GROVE... HOLSTEIN...BATTLE CREEK...PARKER...CENTERVILLE...MARION... VIBORG...HURLEY...CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG 812 PM CST SAT DEC 8 2007 ...SNOW ADVISORY NOW IN EFFECT UNTIL 4 AM CST SUNDAY... THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 4 AM CST SUNDAY. ANOTHER PERIOD OF SNOW IS EXPECTED TONIGHT BEFORE TAPERING OFF SUNDAY MORNING. AN ADDITIONAL 1 TO 3 INCHES IS LIKELY...WITH A TOTAL ACCUMULATION OF 4 TO 8 INCHES 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. $$ IAZ002-003-091000- /O.EXT.KFSD.SN.Y.0009.000000T0000Z-071209T1000Z/ OSCEOLA-DICKINSON- INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD... ARNOLDS PARK 812 PM CST SAT DEC 8 2007 ...SNOW ADVISORY NOW IN EFFECT UNTIL 4 AM CST SUNDAY... THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 4 AM CST SUNDAY. ANOTHER PERIOD OF SNOW IS EXPECTED TONIGHT BEFORE TAPERING OFF SUNDAY MORNING. AN ADDITIONAL 1 TO 3 INCHES IS LIKELY...WITH A TOTAL ACCUMULATION OF 3 TO 7 INCHES EXPECTED. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ RSR
000 WWUS43 KFSD 091000 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 400 AM CST SUN DEC 9 2007 .ANOTHER UPPER LEVEL WAVE WILL PRODUCE OCCASIONAL LIGHT SNOW INTO THE EARLY AFTERNOON NEAR AND SOUTH OF I-90. ANY ADDITIONAL ACCUMULATION SHOULD REMAIN LIGHT...GENERALLY AROUND AN INCH OR LESS. IAZ001>003-012>014-020>022-031-032-NEZ013-014-SDZ066>071-091100- /O.EXP.KFSD.SN.Y.0009.000000T0000Z-071209T1000Z/ LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE- BUENA VISTA-WOODBURY-IDA-DIXON-DAKOTA-TURNER-LINCOLN-BON HOMME- YANKTON-UNION- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK... ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN... SPENCER...LE MARS...CHEROKEE...STORM LAKE...SIOUX CITY... IDA GROVE...HOLSTEIN...BATTLE CREEK...WAKEFIELD...PONCA...ALLEN... SOUTH SIOUX CITY...PARKER...CENTERVILLE...MARION...VIBORG... HURLEY...CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG... TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON... VERMILLION...NORTH SIOUX CITY...BERESFORD...ELK POINT... ALCESTER...JEFFERSON 400 AM CST SUN DEC 9 2007 ...SNOW ADVISORY WILL EXPIRE AT 4 AM CST EARLY THIS MORNING... THE SNOW ADVISORY HAS EXPIRED. ADDITIONAL LIGHT SNOW WILL MOVE ACROSS THE AREA FROM THE SOUTHWEST INTO THE EARLY AFTERNOON. ADDITIONAL LIGHT ACCUMULATIONS WILL BE POSSIBLE...GENERALLY AROUND AN INCH OR LESS. $$
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 Dec 7, 2:58 PM CST, 25 minutes earlier.
Area forecast discussion, Dec 7, 2:58 PM CST, 25 minutes before
AREA FORECAST DISCUSSION FOR SOUTHEAST SD/SOUTHWEST MN/NORTHWEST IA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
258 PM CST SAT DEC 7 2007
.DISCUSSION...
BAND OF SNOW SETTING UP NICELY ALONG THE H65 AREA OF FNTGEN WHICH
GFS PICKED UP BETTER THAN THE OTHER MODELS. THIS AREA WL HAVE A HARD
TIME LIFTING MUCH FURTHER N INTO DRY AIR AND GFS HAS THIS FNTLGEN
SHIFTING ENEWD DURING THE NIGHT. SO WITH THAT IN MIND...SNOW SHUD
GENLY REMAIN ALONG AND S OF I90 THRU 06Z WITH AREAS OF LITE SNOW
LINGERING WITH WEAK MID LVEL FNTGEN ACRS SRN CWA AFT 06Z. HAVE
DROPPED ALL ADVYS N OF I90 AND CHANGED HVY SNOW WARN TO SNOW ADVY.
PBLY WL BE ABLE TO CANCEL ALL OF THEM BY 06Z BUT WL LET A FEW RUN
TIL 08Z FOR PERSISTENT S- LATER THIS EVE. FURTHER N OF I90...LOW
LEVEL DRY AIR CONTS TO PUSH S AND WL BE HARD TO GET MUCH IN THE WAY
OF ACCUM SNOW. WITH EXTENSIVE CLOUD COVER...TEMPS WL NOT DROP A
WHOLE LOT. PBLY 5 TO 7 DEG MOST PLACES.
FOR TOMORROW...DYNAMICS REMAIN IN PLACE FOR AT LEAST THE CHANCE OF
SOME LIGHT SNOW. ONCE AGAIN...WILL NOT FOLLOW THE NAM AS IT
CONTINUES TO HAVE PROBLEMS RESOLVING MOISTURE AND PLACING TOO MUCH
QPF IN PLACES WHERE DYNAMICS GENERALLY LACKING. FOLLOWED CLOSER TO
THE GFS...WHICH AGAIN IS SUPPORTED BY ECMWF AND THE CANADIAN
MODELS...KEEPING ANY MINOR SNOW ACCUMULATIONS IN THE FAR SRN CWA
TOMORROW MORNING. LEFT SLIGHT CHANCE POPS IN FOR THE AFTERNOON...BUT
LIKELY NOT MUCH MORE THEN FLURRIES. MAIN NEGATING FACTOR FOR
ACCUMULATING PRECIPITATION WILL BE LIGHT NRN FLOW CONTINUING IN THE
LOW LEVELS AS ARCTIC HIGH REMAINS LOCKED IN OVER THE NRN PLAINS.
DESPITE ONLY LIGHT QPF AMOUNTS TOMORROW...MODELS MAY STILL BE
OVERDOING THE ABILITY OF THE MID LEVEL MOISTURE TO SATURATED THE LOW
LEVELS.
NEXT CHANCE FOR PRECIPITATION MON NIGHT INTO TUE AS UPPER WAVE OVER
THE FOUR CORNERS REGION BEGINS TO MOVE INTO THE PLAINS. MODELS
CONTINUE TO BOUNCE AROUND WITH THIS ONE. MAIN QUESTIONS WILL BE THE
NORTHWARD EXTENT OF THE UPPER WAVE...MOISTURE RETURN...AND ALSO THE
TIMING OF COLD FRONT PROGGED FOR MON NIGHT. ARCTIC HIGH WILL BUILD
SOUTH INTO THE CNTRL AND SRN PLAINS THE NEXT 48 HOURS SCOURING OUT
MOST OF THE MOISTURE THROUGH THE PLAINS. MOISTURE WILL HAVE A TOUGH
TIME RETURNING TO THE AREA BEFORE ANOTHER COLD FRONT INTERJECTS MORE
DRY AIR...WHICH WOULD PRECLUDE PRECIPITATION OVER MOST OF THE CWA.
STILL WILL HAVE TO WATCH THE SERN CWA LATE MON NIGHT INTO TUE
MORNING...AS UPPER LEVELS FAVORABLE WITH RIGHT REAR UPPER JET IN
PLACE...BUT UNLESS THE MID AND LOW LEVEL FEATURES WITH THE SYSTEM
ARE A GOOD DEAL FARTHER N AND W THEN GFS THE 12Z GFS SUGGEST...IT
WOULD EVEN REMAIN DRY INTO NW IA.
INTO THE EXTENDED PERIOD...WED THRU SAT. HEMISPHERIC PATTERN REMAINS
VERY ACTIVE...HIGH WAVE NUMBER YIELDING QUICK MOVING WRLY FLOW.
APPEARS THIS WILL NOT CHANGE FOR SOME TIME...KEEPING THE ACTIVE WX
PATTERN GOING. A CHANGE IN THE PATTERN OVER THE CONUS IS EXPECTED
HOWEVER. A STRONG JET OVER THE WRN PAC WILL FLATTEN A PERSISTENT
RIDGE IN THE ERN PAC. EVENTUALLY THIS ENERGY WILL KICK TROUGH OVER
WRN CONUS INTO THE CNTRL AND ERN CONUS BY MID WEEK...PLACING THE NRN
PLAINS IN FAST NW FLOW. SO BY MID WEEK SHOULD BE LOOKING AT WX
PATTERN FAVORABLE FOR CLIPPERS OUT OF CANADA ON NEARLY A DAILY
BASIS...AT LEAST INTO NEXT WEEKEND. MAYBE SOME BIGGER PACIFIC STORMS
MOVING ON SHORE THE FOLLOWING WEEK. WITH THE CLIPPER SYSTEMS...WILL
LIKELY PICK UP SOME FLURRIES AND LIGHT SNOW ACCUMULATIONS AT SOME
POINT...BUT TIMING OF THESE FAST MOVING SYSTEMS IMPOSSIBLE TO PIN
POINT AT THIS TIME.
&&
.AVIATION...
SNOW MAINLY ALONG AND S OF I90 THRU 08Z. CIGS AND VSBYS MVFR TO IFR
SUX...AND OCNLY MVFR FSD. CONDS SHUD GENLY REMAIN MVFR S OF I90 THRU
15Z SUN.
&&
.FSD WATCHES/WARNINGS/ADVISORIES...
IA...SNOW ADVISORY UNTIL 2 AM CST SUNDAY FOR
IAZ001-012>014-020>022-031-032.
SNOW ADVISORY UNTIL 2 AM CST SUNDAY FOR IAZ002-003.
MN...NONE.
NE...SNOW ADVISORY UNTIL 2 AM CST SUNDAY FOR NEZ013-014.
SD...SNOW ADVISORY UNTIL 2 AM CST SUNDAY FOR SDZ066-067-069>071.
SNOW ADVISORY UNTIL MIDNIGHT CST TONIGHT FOR SDZ050-063>065-068.
&&
LIEBLHazardous weather outlook, Dec 7, 4:11 AM CST, 11 hours 12 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SIOUX FALLS SD 0411 AM CST FRI DEC 07 2007 SDZ038>040-050-052>071-MNZ071-072-080-081-089-090-097-098- IAZ001>003-012>014-020>022-031-032-NEZ013-014-081200- 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- 0411 AM CST FRI DEC 07 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...SATURDAY THROUGH THURSDAY SNOW IS EXPECTED TO DEVELOP LATE TONIGHT NEAR THE MISSOURI RIVER BORDERING NEBRASKA...WITH THIS SNOW THEN LIFTING TO AROUND INTERSTATE 90 BY MIDDAY SATURDAY. MODERATE TO OCCASIONALLY HEAVY SNOW WILL BE POSSIBLE FROM GREGORY TO CANTON TO SPENCER AND POINTS SOUTH. A STRIP OF 4 TO 6 INCHES OF SNOW WILL BE POSSIBLE IN AREAS LIKE GREGORY...TYNDALL...YANKTON AND SIOUX CITY. WITH VERY DRY AIR IN PLACE...IT IS LIKELY THAT LOCATIONS FROM HURON TO BROOKINGS AND MARSHALL MINNESOTA WILL RECEIVE LITTLE IF ANY SNOWFALL. ANOTHER SHOT OF SNOW WILL BE POSSIBLE MONDAY AFTERNOON INTO TUESDAY MORNING FROM ABOUT INTERSTATE 29 EAST. MODERATE SNOWFALL ACCUMULATIONS WILL BE POSSIBLE. .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
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 7, 4:02 AM CST | Winter Storm Watch | FSD | Bon Homme, Charles Mix, Clay, Gregory, Union, Yankton | 11 hr |
| Dec 7, 3:23 PM CST | Heavy Snow Warning | FSD | Clay, Union, Yankton | 22 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.