Alert archive / Iowa / Winter Storm Warnings in 2015
Winter Storm Warning 4, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this winter storm warning at Nov 19, 2015, 3:44 PM CST for 11 counties in Iowa; 9 counties in South Dakota; Dakota County, Dixon County, Nebraska. It took effect at Nov 20, 2015, 6:00 AM CST. It was in force for 16 hr. 60 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Nov 19, 2015, 3:44 PM CST (21:44 UTC)
- In effect from
- Nov 20, 2015, 6:00 AM CST
- Expired
- Nov 20, 2015, 9:56 PM CST
- In force
- 16 hr
- Issued by
- NWS Sioux Falls, SD
All 22 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, Hutchinson County, SD, Lincoln County, SD, Turner County, SD, Union County, SD, Yankton County, SD
The radar
The Sioux Falls radar (KFSD), 70 km from the middle of the area, began a volume at 21:46 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Nov 20, 9:45 AM CST | SNOW 5.5 | Parker, SD | |
| Nov 20, 10:00 AM CST | SNOW 5.5 | Marion, SD | |
| Nov 20, 10:10 AM CST | SNOW 4 | Lennox, SD | |
| Nov 20, 10:30 AM CST | SNOW 8 | Tea, SD | |
| Nov 20, 10:50 AM CST | SNOW 10 | 3 Ene Tea, SD | |
| Nov 20, 11:30 AM CST | SNOW 6 | Hawarden, IA | |
| Nov 20, 11:40 AM CST | SNOW 8 | Tripp, SD | |
| Nov 20, 12:02 PM CST | SNOW 8.5 | Sioux Center, IA | |
| Nov 20, 12:20 PM CST | SNOW 11 | Canton, SD | |
| Nov 20, 12:23 PM CST | SNOW 12 | Harrisburg, SD | |
| Nov 20, 12:30 PM CST | SNOW 8 | Sutherland, IA | |
| Nov 20, 12:38 PM CST | SNOW 7.5 | Spencer, IA | |
| Nov 20, 12:40 PM CST | SNOW 11.5 | 4 Sse Sioux Falls, SD | |
| Nov 20, 12:50 PM CST | SNOW 12.2 | Parker, SD | |
| Nov 20, 1:40 PM CST | SNOW 15 | 4 N Canton, SD | |
| Nov 20, 1:47 PM CST | SNOW 12 | Centerville, SD | |
| Nov 20, 1:48 PM CST | SNOW 14 | Lennox, SD | |
| Nov 20, 2:54 PM CST | SNOW 14.9 | 4 Sse Sioux Falls, SD | NEAR 61ST AND CLIFF |
| Nov 20, 2:56 PM CST | SNOW 13 | 4 Sse Sioux Falls, SD | |
| Nov 20, 3:34 PM CST | SNOW 10.5 | Spencer, IA | |
| Nov 20, 3:57 PM CST | SNOW 7 | 4 E Sioux Rapids, IA | |
| Nov 20, 3:58 PM CST | SNOW 8 | Terril, IA | |
| Nov 20, 4:00 PM CST | HEAVY SNOW 13.5 | 4 Sse Sioux Falls, SD | OBSERVER LOCATION 4 SSE SIOUX FALLS. |
| Nov 20, 4:00 PM CST | HEAVY SNOW 15 | 3 Wnw Harrisburg, SD | SOCIAL MEDIA REPORT |
| Nov 20, 4:03 PM CST | HEAVY SNOW 11 | Sioux Center, IA | |
| Nov 20, 4:08 PM CST | HEAVY SNOW 16 | Marion, SD | |
| Nov 20, 4:22 PM CST | HEAVY SNOW 13.2 | Sanborn, IA | |
| Nov 20, 4:23 PM CST | HEAVY SNOW 11 | Tripp, SD | |
| Nov 20, 4:25 PM CST | HEAVY SNOW 9 | Le Mars, IA | SOCIAL MEDIA REPORT |
| Nov 20, 4:30 PM CST | HEAVY SNOW 16 | 4 S Sioux Falls, SD | |
| Nov 20, 4:33 PM CST | HEAVY SNOW 17 | 1 Se Harrisburg, SD | SOCIAL MEDIA REPORT |
| Nov 20, 4:35 PM CST | HEAVY SNOW 11 | Tyndall, SD | |
| Nov 20, 4:40 PM CST | HEAVY SNOW 10 | Sutherland, IA | SOCIAL MEDIA REPORT |
| Nov 20, 4:51 PM CST | HEAVY SNOW 8 | Yankton, SD | |
| Nov 20, 4:55 PM CST | HEAVY SNOW 12 | 2 Ese Yankton, SD | OBSERVER LOCATION 2 ESE YANKTON. |
| Nov 20, 5:03 PM CST | HEAVY SNOW 6.5 | South Sioux City, NE | |
| Nov 20, 5:05 PM CST | HEAVY SNOW 7 | 3 S Corsica, SD | |
| Nov 20, 5:05 PM CST | HEAVY SNOW 8 | 1 S Armour, SD | |
| Nov 20, 5:10 PM CST | HEAVY SNOW 12.5 | Centerville, SD | SOCIAL MEDIA REPORT |
| Nov 20, 5:22 PM CST | HEAVY SNOW 9 | Orange City, IA | |
| Nov 20, 5:23 PM CST | HEAVY SNOW 14.5 | Hawarden, IA | |
| Nov 20, 5:30 PM CST | HEAVY SNOW 17 | George, IA | |
| Nov 20, 5:40 PM CST | HEAVY SNOW 6 | Holstein, IA | OBSERVER LOCATION HOLSTEIN. |
| Nov 20, 6:00 PM CST | SNOW 5.1 | Sioux City, IA | |
| Nov 20, 6:00 PM CST | HEAVY SNOW 8 | Menno, SD | OBSERVER LOCATION MENNO. |
| Nov 20, 6:15 PM CST | HEAVY SNOW 18 | 1 Se Tea, SD | SOCIAL MEDIA REPORT |
| Nov 20, 6:45 PM CST | HEAVY SNOW 9 | Vermillion, SD | |
| Nov 20, 8:00 PM CST | HEAVY SNOW 6.8 | North Sioux City, SD | |
| Nov 20, 8:00 PM CST | HEAVY SNOW 7 | 2 N Sioux City, IA | RELAYED VIA BROADCAST MEDIA |
| Nov 20, 8:30 PM CST | SNOW 5.3 | 1 Wsw Sioux City, IA | |
| Nov 20, 8:30 PM CST | HEAVY SNOW 8.7 | Tyndall, SD | |
| Nov 20, 8:30 PM CST | HEAVY SNOW 15 | Inwood, IA | SOCIAL MEDIA REPORT |
| Nov 20, 8:40 PM CST | HEAVY SNOW 12 | Wakonda, SD | SOCIAL MEDIA REPORT |
| Nov 20, 8:40 PM CST | HEAVY SNOW 16 | Rock Rapids, IA | SOCIAL MEDIA REPORT |
| Nov 20, 8:45 PM CST | HEAVY SNOW 6 | 2 Nne Sioux City, IA | |
| Nov 20, 8:45 PM CST | HEAVY SNOW 15 | Sheldon, IA | SOCIAL MEDIA REPORT |
| Nov 20, 8:52 PM CST | HEAVY SNOW 16 | Alcester, SD | SOCIAL MEDIA REPORT |
| Nov 20, 8:55 PM CST | HEAVY SNOW 11 | Le Mars, IA | SOCIAL MEDIA REPORT |
| Nov 20, 9:00 PM CST | HEAVY SNOW 16 | Doon, IA | SOCIAL MEDIA REPORT |
| Nov 20, 9:15 PM CST | SNOW 5.7 | Sioux City, IA | TOTAL FOR THE EVENT |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 9.7 hours before the alert went out and 185 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
- 2393 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- 25 m²/s²
- 0-3 km storm-relative helicity
- 61 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
399 WWUS43 KFSD 192144 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 344 PM CST THU NOV 19 2015 NEZ013-014-SDZ068>071-200545- /O.UPG.KFSD.WS.A.0002.151120T1200Z-151121T0600Z/ /O.NEW.KFSD.WS.W.0004.151120T1200Z-151121T0300Z/ DIXON-DAKOTA-BON HOMME-YANKTON-CLAY SD-UNION- INCLUDING THE CITIES OF...WAKEFIELD...PONCA...ALLEN... SOUTH SIOUX CITY...TYNDALL...SCOTLAND...SPRINGFIELD...AVON... TABOR...YANKTON...VERMILLION...NORTH SIOUX CITY...BERESFORD... ELK POINT...ALCESTER...JEFFERSON 344 PM CST THU NOV 19 2015 ...WINTER STORM WARNING IN EFFECT FROM 6 AM TO 9 PM CST FRIDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 6 AM TO 9 PM CST FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW WILL DEVELOP WEST OF INTERSTATE 29 EARLY FRIDAY MORNING...AND SPREAD INTO NORTHWEST IOWA BY LATE MORNING. SNOW WILL BECOME HEAVY AT TIMES DURING THE MIDDAY AND AFTERNOON HOURS. SNOW WILL GRADUALLY DIMINISH FRIDAY EVENING. * ACCUMULATIONS...5 TO 7 INCHES * WIND AND VISIBILITY...VISIBILITY MAY DROP TO LESS THAN ONE HALF MILE AT TIMES DUE TO FALLING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ IAZ012>014-020>022-031-032-200545- /O.UPG.KFSD.WS.A.0002.151120T1200Z-151121T0600Z/ /O.NEW.KFSD.WS.W.0004.151120T1500Z-151121T0600Z/ SIOUX-O'BRIEN-CLAY IA-PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA- INCLUDING THE CITIES OF...ORANGE CITY...SIOUX CENTER...SHELDON... HARTLEY...SANBORN...SPENCER...LE MARS...CHEROKEE...STORM LAKE... SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK 344 PM CST THU NOV 19 2015 ...WINTER STORM WARNING IN EFFECT FROM 9 AM FRIDAY TO MIDNIGHT CST FRIDAY NIGHT... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 9 AM FRIDAY TO MIDNIGHT CST FRIDAY NIGHT. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW WILL DEVELOP WEST OF INTERSTATE 29 EARLY FRIDAY MORNING...AND SPREAD INTO NORTHWEST IOWA BY LATE MORNING. SNOW WILL BECOME HEAVY AT TIMES DURING THE MIDDAY AND AFTERNOON HOURS. SNOW WILL GRADUALLY DIMINISH FRIDAY EVENING. * ACCUMULATIONS...5 TO 8 INCHES * WIND AND VISIBILITY...VISIBILITY MAY DROP TO LESS THAN ONE HALF MILE AT TIMES DUE TO FALLING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ SDZ050-063-064-200545- /O.NEW.KFSD.WW.Y.0010.151120T1200Z-151121T0000Z/ GREGORY-CHARLES MIX-DOUGLAS- INCLUDING THE CITIES OF...GREGORY...BURKE...WAGNER...PLATTE... LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT 344 PM CST THU NOV 19 2015 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM TO 6 PM CST FRIDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 6 AM TO 6 PM CST FRIDAY. * TIMING...SNOW WILL BEGIN EARLY IN THE MORNING AND END FRIDAY EVENING. * ACCUMULATIONS...AROUND 5 INCHES * WIND AND VISIBILITY...VISIBILITY MAY DROP TO A HALF MILE AT TIMES DUE TO FALLING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ IAZ001>003-SDZ065>067-200545- /O.CON.KFSD.WS.A.0002.151120T1200Z-151121T0600Z/ LYON IA-OSCEOLA-DICKINSON-HUTCHINSON-TURNER-LINCOLN SD- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK... PARKSTON...FREEMAN...MENNO...TRIPP...PARKER...CENTERVILLE... MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...LENNOX...TEA... HARRISBURG 344 PM CST THU NOV 19 2015 ...WINTER STORM WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY EVENING... * TIMING...SNOW WILL DEVELOP WEST OF INTERSTATE 29 EARLY FRIDAY MORNING...AND SPREAD INTO NORTHWEST IOWA BY LATE MORNING. SNOW MAY BECOME HEAVY AT TIMES IN THE MORNING AND AFTERNOON HOURS. THE SNOW IS EXPECTED TO GRADUALLY DIMINISH FRIDAY EVENING. * ACCUMULATIONS...4 TO 7 INCHES. THERE IS STILL UNCERTAINTY ON EXACTLY HOW MUCH SNOW WILL FALL. * WIND AND VISIBILITY...VISIBILITY MAY DROP TO ONE HALF MILE AT TIMES DUE TO FALLING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$
7 follow-up statements
497 WWUS43 KFSD 200334 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 934 PM CST THU NOV 19 2015 NEZ013-014-SDZ068>071-201145- /O.CON.KFSD.WS.W.0004.151120T1200Z-151121T0300Z/ DIXON-DAKOTA-BON HOMME-YANKTON-CLAY SD-UNION- INCLUDING THE CITIES OF...WAKEFIELD...PONCA...ALLEN... SOUTH SIOUX CITY...TYNDALL...SCOTLAND...SPRINGFIELD...AVON... TABOR...YANKTON...VERMILLION...NORTH SIOUX CITY...BERESFORD... ELK POINT...ALCESTER...JEFFERSON 934 PM CST THU NOV 19 2015 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM TO 9 PM CST FRIDAY... * TIMING...SNOW WILL DEVELOP EARLY FRIDAY MORNING. SNOW WILL BECOME HEAVY AT TIMES DURING THE LATE MORNING AND AFTERNOON HOURS. SNOW WILL GRADUALLY DIMINISH FRIDAY EVENING. * ACCUMULATIONS...6 TO 8 INCHES...AMOUNTS MAY BE LOCALLY HEAVIER. * WIND AND VISIBILITY...VISIBILITY MAY DROP TO LESS THAN ONE HALF MILE AT TIMES DUE TO FALLING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ IAZ012>014-020>022-031-032-201145- /O.CON.KFSD.WS.W.0004.151120T1500Z-151121T0600Z/ SIOUX-O'BRIEN-CLAY IA-PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA- INCLUDING THE CITIES OF...ORANGE CITY...SIOUX CENTER...SHELDON... HARTLEY...SANBORN...SPENCER...LE MARS...CHEROKEE...STORM LAKE... SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK 934 PM CST THU NOV 19 2015 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 9 AM FRIDAY TO MIDNIGHT CST FRIDAY NIGHT... * TIMING...SNOW WILL DEVELOP MID TO LATE MORNING. SNOW WILL BECOME HEAVY AT TIMES DURING THE MIDDAY AND AFTERNOON HOURS. SNOW WILL GRADUALLY DIMINISH FRIDAY EVENING. * ACCUMULATIONS...6 TO 8 INCHES...AMOUNTS MAY BE LOCALLY HEAVIER. * WIND AND VISIBILITY...VISIBILITY MAY DROP TO LESS THAN ONE HALF MILE AT TIMES DUE TO FALLING SNOW. IN ADDITION...NORTHEAST WINDS OF 15 TO 25 MPH COULD CAUSE SOME BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ SDZ050-063-064-201145- /O.CON.KFSD.WW.Y.0010.151120T1200Z-151121T0000Z/ GREGORY-CHARLES MIX-DOUGLAS- INCLUDING THE CITIES OF...GREGORY...BURKE...WAGNER...PLATTE... LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT 934 PM CST THU NOV 19 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM TO 6 PM CST FRIDAY... * TIMING...SNOW WILL BEGIN EARLY IN THE MORNING AND END FRIDAY EVENING. * ACCUMULATIONS...4 TO 6 INCHES. * WIND AND VISIBILITY...VISIBILITY MAY DROP TO A HALF MILE AT TIMES DUE TO FALLING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ IAZ001>003-SDZ065>067-201145- /O.CON.KFSD.WS.A.0002.151120T1200Z-151121T0600Z/ LYON IA-OSCEOLA-DICKINSON-HUTCHINSON-TURNER-LINCOLN SD- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK... PARKSTON...FREEMAN...MENNO...TRIPP...PARKER...CENTERVILLE... MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...LENNOX...TEA... HARRISBURG 934 PM CST THU NOV 19 2015 ...WINTER STORM WATCH REMAINS IN EFFECT FROM 6 AM CST FRIDAY THROUGH FRIDAY EVENING... * TIMING...SNOW WILL DEVELOP WEST OF INTERSTATE 29 EARLY FRIDAY MORNING...AND SPREAD INTO NORTHWEST IOWA BY MID TO LATE MORNING. SNOW MAY BECOME HEAVY AT TIMES IN THE LATE MORNING AND AFTERNOON HOURS. THE SNOW IS EXPECTED TO GRADUALLY DIMINISH FRIDAY EVENING. * ACCUMULATIONS...4 TO 7 INCHES. THERE IS STILL UNCERTAINTY ON EXACTLY HOW MUCH SNOW WILL FALL. * WIND AND VISIBILITY...VISIBILITY MAY DROP TO ONE HALF MILE AT TIMES DUE TO FALLING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$
304 WWUS43 KFSD 201013 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 413 AM CST FRI NOV 20 2015 SDZ063-064-201815- /O.UPG.KFSD.WW.Y.0010.151120T1200Z-151121T0000Z/ /O.EXB.KFSD.WS.W.0004.151120T1200Z-151121T0000Z/ CHARLES MIX-DOUGLAS- INCLUDING THE CITIES OF...WAGNER...PLATTE...LAKE ANDES...MARTY... ARMOUR...CORSICA...DELMONT 413 AM CST FRI NOV 20 2015 ...WINTER STORM WARNING IN EFFECT UNTIL 6 PM CST THIS EVENING... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 6 PM CST THIS EVENING. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * TIMING...SNOW WILL BEGIN EARLY IN THE MORNING AND END THIS EVENING. * ACCUMULATIONS...6 TO 8 INCHES. * WIND AND VISIBILITY...VISIBILITY MAY DROP TO A HALF MILE AT TIMES DUE TO FALLING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. $$ SDZ065>067-201815- /O.UPG.KFSD.WS.A.0002.151120T1200Z-151121T0600Z/ /O.EXB.KFSD.WS.W.0004.151120T1200Z-151121T0000Z/ HUTCHINSON-TURNER-LINCOLN SD- INCLUDING THE CITIES OF...PARKSTON...FREEMAN...MENNO...TRIPP... PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR... CANTON...LENNOX...TEA...HARRISBURG 413 AM CST FRI NOV 20 2015 ...WINTER STORM WARNING IN EFFECT UNTIL 6 PM CST THIS EVENING... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 6 PM CST THIS EVENING. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW WILL BEGIN EARLY IN THE MORNING AND END THIS EVENING. * ACCUMULATIONS...6 TO 8 INCHES. * WIND AND VISIBILITY...VISIBILITY MAY DROP TO ONE HALF MILE AT TIMES DUE TO FALLING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ IAZ001>003-201815- /O.UPG.KFSD.WS.A.0002.151120T1200Z-151121T0600Z/ /O.EXB.KFSD.WS.W.0004.151120T1500Z-151121T0300Z/ LYON IA-OSCEOLA-DICKINSON- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK 413 AM CST FRI NOV 20 2015 ...WINTER STORM WARNING IN EFFECT FROM 9 AM THIS MORNING TO 9 PM CST THIS EVENING... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 9 AM THIS MORNING TO 9 PM CST THIS EVENING. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW WILL DEVELOP ACROSS THE AREA BY MID MORNING AND CONTINUE INTO LATE THIS EVENING. * ACCUMULATIONS...6 TO 8 INCHES. * WIND AND VISIBILITY...VISIBILITY MAY DROP TO ONE HALF MILE AT TIMES DUE TO FALLING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ SDZ068>071-201815- /O.EXT.KFSD.WS.W.0004.151120T1200Z-151121T0000Z/ BON HOMME-YANKTON-CLAY SD-UNION- INCLUDING THE CITIES OF...TYNDALL...SCOTLAND...SPRINGFIELD... AVON...TABOR...YANKTON...VERMILLION...NORTH SIOUX CITY... BERESFORD...ELK POINT...ALCESTER...JEFFERSON 413 AM CST FRI NOV 20 2015 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 6 PM CST THIS EVENING... * TIMING...SNOW WILL DEVELOP ACROSS THE AREA BY MID MORNING AND CONTINUE INTO THIS EVENING. * ACCUMULATIONS...6 TO 8 INCHES. * WIND AND VISIBILITY...VISIBILITY MAY DROP TO LESS THAN ONE HALF MILE AT TIMES DUE TO FALLING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ IAZ012-013-020-NEZ013-014-201815- /O.EXT.KFSD.WS.W.0004.151120T1500Z-151121T0300Z/ SIOUX-O'BRIEN-PLYMOUTH-DIXON-DAKOTA- INCLUDING THE CITIES OF...ORANGE CITY...SIOUX CENTER...SHELDON... HARTLEY...SANBORN...LE MARS...WAKEFIELD...PONCA...ALLEN... SOUTH SIOUX CITY 413 AM CST FRI NOV 20 2015 ...WINTER STORM WARNING NOW IN EFFECT FROM 9 AM THIS MORNING TO 9 PM CST THIS EVENING... * TIMING...SNOW WILL DEVELOP ACROSS THE AREA BY MID TO LATE MORNING AND CONTINUE INTO LATE THIS EVENING. * ACCUMULATIONS...7 TO 9 INCHES. * WIND AND VISIBILITY...VISIBILITY MAY DROP TO LESS THAN ONE HALF MILE AT TIMES DUE TO FALLING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ IAZ014-021-022-031-032-201815- /O.CON.KFSD.WS.W.0004.151120T1500Z-151121T0600Z/ CLAY IA-CHEROKEE-BUENA VISTA-WOODBURY-IDA- INCLUDING THE CITIES OF...SPENCER...CHEROKEE...STORM LAKE... SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK 413 AM CST FRI NOV 20 2015 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO MIDNIGHT CST TONIGHT... * TIMING...SNOW WILL DEVELOP ACROSS THE AREA BY MID TO LATE MORNING AND CONTINUE INTO LATE THIS EVENING. * ACCUMULATIONS...7 TO 9 INCHES...AMOUNTS MAY BE LOCALLY HEAVIER. * WIND AND VISIBILITY...VISIBILITY MAY DROP TO LESS THAN ONE HALF MILE AT TIMES DUE TO FALLING SNOW. IN ADDITION... NORTHEAST WINDS OF 15 TO 25 MPH COULD CAUSE SOME BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ MNZ089-090-098-SDZ062-201815- /O.EXB.KFSD.WW.Y.0010.151120T1500Z-151121T0300Z/ NOBLES-JACKSON-ROCK-MINNEHAHA- INCLUDING THE CITIES OF...WORTHINGTON...JACKSON...LAKEFIELD... LUVERNE...SIOUX FALLS 413 AM CST FRI NOV 20 2015 ...WINTER WEATHER ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 9 PM CST THIS EVENING... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 9 AM THIS MORNING TO 9 PM CST THIS EVENING. * TIMING...SNOW WILL BEGIN BY MID MORNING AND END FRIDAY EVENING. * ACCUMULATIONS...4 TO 6 INCHES. * WIND AND VISIBILITY...VISIBILITY MAY DROP TO A HALF MILE AT TIMES DUE TO FALLING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ SDZ057>061-201815- /O.EXA.KFSD.WW.Y.0010.151120T1200Z-151121T0000Z/ BRULE-AURORA-DAVISON-HANSON-MCCOOK- INCLUDING THE CITIES OF...CHAMBERLAIN...KIMBALL...PLANKINTON... WHITE LAKE...STICKNEY...MITCHELL...ALEXANDRIA...EMERY...SALEM... CANISTOTA...BRIDGEWATER...MONTROSE 413 AM CST FRI NOV 20 2015 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 6 PM CST THIS EVENING. * TIMING...SNOW WILL BEGIN EARLY IN THE MORNING AND END FRIDAY EVENING. * ACCUMULATIONS...4 TO 6 INCHES. * WIND AND VISIBILITY...VISIBILITY MAY DROP TO A HALF MILE AT TIMES DUE TO FALLING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ SDZ050-201815- /O.CON.KFSD.WW.Y.0010.151120T1200Z-151121T0000Z/ GREGORY- INCLUDING THE CITIES OF...GREGORY...BURKE 413 AM CST FRI NOV 20 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... * TIMING...SNOW WILL BEGIN EARLY IN THE MORNING AND END FRIDAY EVENING. * ACCUMULATIONS...4 TO 6 INCHES. * WIND AND VISIBILITY...VISIBILITY MAY DROP TO A HALF MILE AT TIMES DUE TO FALLING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
055 WWUS43 KFSD 201721 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 1121 AM CST FRI NOV 20 2015 SDZ063>071-210000- /O.CON.KFSD.WS.W.0004.000000T0000Z-151121T0000Z/ CHARLES MIX-DOUGLAS-HUTCHINSON-TURNER-LINCOLN SD-BON HOMME- YANKTON-CLAY SD-UNION- INCLUDING THE CITIES OF...WAGNER...PLATTE...LAKE ANDES...MARTY... ARMOUR...CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP... PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR... CANTON...LENNOX...TEA...HARRISBURG...TYNDALL...SCOTLAND... SPRINGFIELD...AVON...TABOR...YANKTON...VERMILLION... NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON 1121 AM CST FRI NOV 20 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... * TIMING...MODERATE TO HEAVY SNOW WILL CONTINUE THROUGH THE EARLY AFTERNOON BEFORE TAPERING OFF LATE AFTERNOON AND EARLY EVENING. SNOWFALL RATES OF OVER 2 INCHES PER HOUR WILL BE POSSIBLE. * ACCUMULATIONS...AMOUNTS WILL BE QUITE VARIABLE...BUT WILL AVERAGE 6 TO 10 INCHES ACROSS THE AREA. * WIND AND VISIBILITY...VISIBILITY MAY DROP TO LESS THAN ONE HALF MILE AT TIMES DUE TO FALLING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ IAZ001>003-012-013-020-NEZ013-014-210130- /O.CON.KFSD.WS.W.0004.000000T0000Z-151121T0300Z/ LYON IA-OSCEOLA-DICKINSON-SIOUX-O'BRIEN-PLYMOUTH-DIXON-DAKOTA- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK... ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN... LE MARS...WAKEFIELD...PONCA...ALLEN...SOUTH SIOUX CITY 1121 AM CST FRI NOV 20 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM CST THIS EVENING... * TIMING...MODERATE TO HEAVY SNOWFALL IS EXPECTED TO CONTINUE THIS AFTERNOON...WITH STEADY SNOWFALL TAPERING OFF BY MID TO LATE EVENING. SNOWFALL RATES OF OVER 2 INCHES PER HOUR WILL BE POSSIBLE. * ACCUMULATIONS...AMOUNTS WILL BE QUITE VARIABLE...BUT WILL AVERAGE 6 TO 10 INCHES ACROSS THE AREA. * WIND AND VISIBILITY...VISIBILITY MAY DROP TO LESS THAN ONE HALF MILE AT TIMES DUE TO FALLING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ IAZ014-021-022-031-032-210130- /O.CON.KFSD.WS.W.0004.000000T0000Z-151121T0600Z/ CLAY IA-CHEROKEE-BUENA VISTA-WOODBURY-IDA- INCLUDING THE CITIES OF...SPENCER...CHEROKEE...STORM LAKE... SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK 1121 AM CST FRI NOV 20 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT... * TIMING...SNOWFALL WILL BECOME MODERATE TO HEAVY AT TIMES AGAIN THIS AFTERNOON...WITH STEADY SNOWFALL TAPERING OFF BY LATE EVENING. SNOWFALL RATES OF OVER 2 INCHES PER HOUR WILL BE POSSIBLE. * ACCUMULATIONS...AMOUNTS WILL BE QUITE VARIABLE...BUT WILL AVERAGE 6 TO 11 INCHES ACROSS THE AREA. * WIND AND VISIBILITY...VISIBILITY MAY DROP TO LESS THAN ONE HALF MILE AT TIMES DUE TO FALLING SNOW. IN ADDITION... NORTHEAST WINDS OF 15 TO 25 MPH COULD CAUSE SOME BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ SDZ050-057>061-210000- /O.CON.KFSD.WW.Y.0010.000000T0000Z-151121T0000Z/ GREGORY-BRULE-AURORA-DAVISON-HANSON-MCCOOK- INCLUDING THE CITIES OF...GREGORY...BURKE...CHAMBERLAIN... KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL... ALEXANDRIA...EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE 1121 AM CST FRI NOV 20 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... * TIMING...LIGHT TO MODERATE SNOWFALL WILL CONTINUE THROUGH MID AFTERNOON BEFORE TAPERING OFF LATE AFTERNOON. * ACCUMULATIONS...4 TO 6 INCHES. * WIND AND VISIBILITY...VISIBILITY MAY DROP TO A HALF MILE AT TIMES DUE TO FALLING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MNZ089-090-098-SDZ062-210130- /O.CON.KFSD.WW.Y.0010.000000T0000Z-151121T0300Z/ NOBLES-JACKSON-ROCK-MINNEHAHA- INCLUDING THE CITIES OF...WORTHINGTON...JACKSON...LAKEFIELD... LUVERNE...SIOUX FALLS 1121 AM CST FRI NOV 20 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS EVENING... * TIMING...SNOWFALL WILL BE MODERATE TO HEAVY AT TIMES THROUGH THE EARLY AFTERNOON WITH LIGHTER SNOWFALL PERSISTING INTO THE MID EVENING. * ACCUMULATIONS...THERE WILL BE A LARGE RANGE IN ACCUMULATION AMOUNTS ACROSS THE AREA. 2 TO 6 INCHES ARE EXPECTED...WITH LOCALLY HIGHER AMOUNTS POSSIBLE SOUTH OF INTERSTATE 90. * WIND AND VISIBILITY...VISIBILITY MAY DROP TO LESS THAN A HALF MILE AT TIMES DUE TO FALLING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
736 WWUS43 KFSD 202031 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 231 PM CST FRI NOV 20 2015 SDZ063>071-210000- /O.CON.KFSD.WS.W.0004.000000T0000Z-151121T0000Z/ CHARLES MIX-DOUGLAS-HUTCHINSON-TURNER-LINCOLN SD-BON HOMME- YANKTON-CLAY SD-UNION- INCLUDING THE CITIES OF...WAGNER...PLATTE...LAKE ANDES...MARTY... ARMOUR...CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP... PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR... CANTON...LENNOX...TEA...HARRISBURG...TYNDALL...SCOTLAND... SPRINGFIELD...AVON...TABOR...YANKTON...VERMILLION... NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON 231 PM CST FRI NOV 20 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... * TIMING...MODERATE TO HEAVY SNOW WILL CONTINUE THROUGH THE EARLY AFTERNOON BEFORE TAPERING OFF LATE AFTERNOON AND EARLY EVENING. SNOWFALL RATES OF OVER 2 INCHES PER HOUR WILL BE POSSIBLE. * ACCUMULATIONS...AMOUNTS WILL BE QUITE VARIABLE...BUT WILL AVERAGE 6 TO 12 INCHES ACROSS THE AREA. * WIND AND VISIBILITY...VISIBILITY MAY DROP TO A QUARTER MILE AT TIMES DUE TO FALLING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ IAZ001>003-012-013-020-NEZ013-014-210300- /O.CON.KFSD.WS.W.0004.000000T0000Z-151121T0300Z/ LYON IA-OSCEOLA-DICKINSON-SIOUX-O'BRIEN-PLYMOUTH-DIXON-DAKOTA- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK... ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN... LE MARS...WAKEFIELD...PONCA...ALLEN...SOUTH SIOUX CITY 231 PM CST FRI NOV 20 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM CST THIS EVENING... * TIMING...MODERATE TO HEAVY SNOWFALL IS EXPECTED TO CONTINUE THIS AFTERNOON...WITH STEADY SNOWFALL TAPERING OFF BY MID TO LATE EVENING. SNOWFALL RATES OF OVER 2 INCHES PER HOUR WILL BE POSSIBLE. * ACCUMULATIONS...AMOUNTS WILL BE QUITE VARIABLE...BUT WILL AVERAGE 6 TO 10 INCHES ACROSS THE AREA. * WIND AND VISIBILITY...VISIBILITY MAY DROP TO A QUARTER MILE AT TIMES DUE TO FALLING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ IAZ014-021-022-031-032-210445- /O.CON.KFSD.WS.W.0004.000000T0000Z-151121T0600Z/ CLAY IA-CHEROKEE-BUENA VISTA-WOODBURY-IDA- INCLUDING THE CITIES OF...SPENCER...CHEROKEE...STORM LAKE... SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK 231 PM CST FRI NOV 20 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT... * TIMING...SNOWFALL WILL BE MODERATE TO HEAVY AT TIMES THIS AFTERNOON...WITH STEADY SNOWFALL TAPERING OFF BY LATE EVENING. SNOWFALL RATES OF OVER 2 INCHES PER HOUR WILL BE POSSIBLE. * ACCUMULATIONS...AMOUNTS WILL BE QUITE VARIABLE...BUT WILL AVERAGE 6 TO 11 INCHES ACROSS THE AREA. * WIND AND VISIBILITY...VISIBILITY MAY DROP TO A QUARTER MILE AT TIMES DUE TO FALLING SNOW. IN ADDITION... NORTHEAST WINDS OF 15 TO 25 MPH COULD CAUSE SOME BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ SDZ050-057>061-210000- /O.CON.KFSD.WW.Y.0010.000000T0000Z-151121T0000Z/ GREGORY-BRULE-AURORA-DAVISON-HANSON-MCCOOK- INCLUDING THE CITIES OF...GREGORY...BURKE...CHAMBERLAIN... KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL... ALEXANDRIA...EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE 231 PM CST FRI NOV 20 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... * TIMING...LIGHT TO MODERATE SNOWFALL WILL CONTINUE TO TAPER OFF THROUGH LATE AFTERNOON. * ACCUMULATIONS...4 TO 6 INCHES. * WIND AND VISIBILITY...VISIBILITY MAY DROP TO A HALF MILE AT TIMES DUE TO FALLING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MNZ089-090-098-SDZ062-210300- /O.CON.KFSD.WW.Y.0010.000000T0000Z-151121T0300Z/ NOBLES-JACKSON-ROCK-MINNEHAHA- INCLUDING THE CITIES OF...WORTHINGTON...JACKSON...LAKEFIELD... LUVERNE...SIOUX FALLS 231 PM CST FRI NOV 20 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS EVENING... * TIMING...LIGHT TO MODERATE SNOWFALL WILL TAPER OFF THROUGH MID EVENING. * ACCUMULATIONS...THERE WILL BE A LARGE RANGE IN ACCUMULATION AMOUNTS ACROSS THE AREA. 2 TO 6 INCHES ARE EXPECTED...WITH LOCALLY HIGHER AMOUNTS POSSIBLE SOUTH OF INTERSTATE 90. * WIND AND VISIBILITY...VISIBILITY MAY DROP TO LESS THAN A HALF MILE AT TIMES DUE TO FALLING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
464 WWUS43 KFSD 202341 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 541 PM CST FRI NOV 20 2015 SDZ063>066-068>070-210045- /O.CAN.KFSD.WS.W.0004.000000T0000Z-151121T0000Z/ CHARLES MIX-DOUGLAS-HUTCHINSON-TURNER-BON HOMME-YANKTON-CLAY SD- INCLUDING THE CITIES OF...WAGNER...PLATTE...LAKE ANDES...MARTY... ARMOUR...CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP... PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR... TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON... VERMILLION 541 PM CST FRI NOV 20 2015 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE WINTER STORM WARNING. A WIDESPREAD 6 TO 12 INCHES OF SNOW FELL THROUGH THE DAY...BUT THE SNOW WILL CONTINUE TO QUICKLY DIMINISH THROUGH THE EVENING. TRAVEL WILL STILL BE DANGEROUS WITH SNOW PACKED ROADS. $$ SDZ050-057>061-210045- /O.CAN.KFSD.WW.Y.0010.000000T0000Z-151121T0000Z/ GREGORY-BRULE-AURORA-DAVISON-HANSON-MCCOOK- INCLUDING THE CITIES OF...GREGORY...BURKE...CHAMBERLAIN... KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL... ALEXANDRIA...EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE 541 PM CST FRI NOV 20 2015 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE WINTER WEATHER ADVISORY. LIGHT SNOW HAS COME TO AN END AND CONDITIONS WILL CONTINUE TO GRADUALLY IMPROVE. $$ SDZ067-071-210300- /O.EXT.KFSD.WS.W.0004.000000T0000Z-151121T0300Z/ LINCOLN SD-UNION- INCLUDING THE CITIES OF...CANTON...LENNOX...TEA...HARRISBURG... NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON 541 PM CST FRI NOV 20 2015 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 9 PM CST THIS EVENING... * TIMING...MODERATE SNOW WILL CONTINUE THROUGH EARLY EVENING. * ACCUMULATIONS...ADDITIONAL ACCUMULATIONS OF ABOUT AN INCH WILL BE POSSIBLE THROUGH 900 PM. * WIND AND VISIBILITY...VISIBILITY MAY DROP TO A QUARTER MILE AT TIMES DUE TO FALLING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ IAZ001>003-012-013-020-NEZ013-014-210300- /O.CON.KFSD.WS.W.0004.000000T0000Z-151121T0300Z/ LYON IA-OSCEOLA-DICKINSON-SIOUX-O'BRIEN-PLYMOUTH-DIXON-DAKOTA- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK... ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN... LE MARS...WAKEFIELD...PONCA...ALLEN...SOUTH SIOUX CITY 541 PM CST FRI NOV 20 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM CST THIS EVENING... * TIMING...MODERATE TO HEAVY SNOWFALL IS EXPECTED TO CONTINUE THROUGH THE EVENING. SNOWFALL RATES OF AN INCH AN HOUR WILL BE POSSIBLE. * ACCUMULATIONS...ADDITIONAL ACCUMULATIONS OF 1 TO 2 INCHES WILL BE POSSIBLE. * WIND AND VISIBILITY...VISIBILITY MAY DROP TO A QUARTER MILE AT TIMES DUE TO FALLING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ IAZ014-021-022-031-032-210600- /O.CON.KFSD.WS.W.0004.000000T0000Z-151121T0600Z/ CLAY IA-CHEROKEE-BUENA VISTA-WOODBURY-IDA- INCLUDING THE CITIES OF...SPENCER...CHEROKEE...STORM LAKE... SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK 541 PM CST FRI NOV 20 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT... * TIMING...SNOWFALL WILL BE MODERATE TO HEAVY AT TIMES THROUGH THE EVENING. SNOWFALL RATES OF OVER AROUND 1 INCH PER HOUR WILL BE POSSIBLE. * ACCUMULATIONS...ADDITIONAL ACCUMULATIONS OF 2 TO 4 INCHES WILL BE POSSIBLE. * WIND AND VISIBILITY...VISIBILITY MAY DROP TO A QUARTER MILE AT TIMES DUE TO FALLING SNOW. IN ADDITION... NORTHEAST WINDS OF 15 TO 25 MPH COULD CAUSE SOME BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ MNZ089-090-098-SDZ062-210300- /O.CON.KFSD.WW.Y.0010.000000T0000Z-151121T0300Z/ NOBLES-JACKSON-ROCK-MINNEHAHA- INCLUDING THE CITIES OF...WORTHINGTON...JACKSON...LAKEFIELD... LUVERNE...SIOUX FALLS 541 PM CST FRI NOV 20 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS EVENING... * TIMING...LIGHT TO MODERATE SNOWFALL WILL TAPER OFF THROUGH MID EVENING. * ACCUMULATIONS...THERE WILL BE A LARGE RANGE IN ACCUMULATION AMOUNTS ACROSS THE AREA. ADDITIONAL ACCUMULATIONS OF 1 TO 2 INCHES WILL BE POSSIBLE...ESPECIALLY SOUTH OF INTERSTATE 90 IN MINNESOTA. * WIND AND VISIBILITY...VISIBILITY MAY DROP TO LESS THAN A HALF MILE AT TIMES DUE TO FALLING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
748 WWUS43 KFSD 210304 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 904 PM CST FRI NOV 20 2015 IAZ001>003-012-013-020-NEZ013-014-SDZ067-071-210415- /O.EXP.KFSD.WS.W.0004.000000T0000Z-151121T0300Z/ LYON IA-OSCEOLA-DICKINSON-SIOUX-O'BRIEN-PLYMOUTH-DIXON-DAKOTA- LINCOLN SD-UNION- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK... ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN... LE MARS...WAKEFIELD...PONCA...ALLEN...SOUTH SIOUX CITY...CANTON... LENNOX...TEA...HARRISBURG...NORTH SIOUX CITY...BERESFORD... ELK POINT...ALCESTER...JEFFERSON 904 PM CST FRI NOV 20 2015 ...WINTER STORM WARNING HAS EXPIRED... ACCUMULATING SNOW HAS ENDED ACROSS THE AREA. HOWEVER SOME ROADS REMAIN SNOW-COVERED AND SLIPPERY. PLEASE CONTINUE TO USE CAUTION WHILE TRAVELING OVERNIGHT. $$ MNZ089-090-098-SDZ062-210415- /O.EXP.KFSD.WW.Y.0010.000000T0000Z-151121T0300Z/ NOBLES-JACKSON-ROCK-MINNEHAHA- INCLUDING THE CITIES OF...WORTHINGTON...JACKSON...LAKEFIELD... LUVERNE...SIOUX FALLS 904 PM CST FRI NOV 20 2015 ...WINTER WEATHER ADVISORY HAS EXPIRED... ACCUMULATING SNOW HAS ENDED ACROSS THE AREA. HOWEVER SOME ROADS REMAIN SNOW-COVERED AND SLIPPERY. PLEASE CONTINUE TO USE CAUTION WHILE TRAVELING OVERNIGHT. $$ IAZ014-021-022-031-032-210600- /O.CON.KFSD.WS.W.0004.000000T0000Z-151121T0600Z/ CLAY IA-CHEROKEE-BUENA VISTA-WOODBURY-IDA- INCLUDING THE CITIES OF...SPENCER...CHEROKEE...STORM LAKE... SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK 904 PM CST FRI NOV 20 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT... * TIMING...LIGHT SNOW WILL GRADUALLY TAPER OFF TO FLURRIES THROUGH MIDNIGHT. * ACCUMULATIONS...ADDITIONAL ACCUMULATIONS WILL BE LESS THAN A HALF INCH. * WIND AND VISIBILITY...VISIBILITY WILL CONTINUE TO IMPROVE THROUGH THE LATE EVENING AS THE SNOW DIMINISHES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$
339 WWUS43 KFSD 210356 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 956 PM CST FRI NOV 20 2015 IAZ014-021-022-031-032-210500- /O.CAN.KFSD.WS.W.0004.000000T0000Z-151121T0600Z/ CLAY IA-CHEROKEE-BUENA VISTA-WOODBURY-IDA- INCLUDING THE CITIES OF...SPENCER...CHEROKEE...STORM LAKE... SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK 956 PM CST FRI NOV 20 2015 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE WINTER STORM WARNING. SNOW CONTINUES TO DIMINISH ACROSS THE AREA...AND LITTLE ADDITIONAL ACCUMULATION IS EXPECTED THIS EVENING. HOWEVER SOME ROADS REMAIN SNOW-COVERED AND SLIPPERY...SO CONTINUE TO EXERCISE CAUTION WHEN TRAVELING OVERNIGHT. $$
What forecasters said that day
The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Sioux Falls, SD wrote its last area forecast discussion before this winter storm warning went out at Nov 19, 3:27 PM CST, 17 minutes earlier.
Area forecast discussion, Nov 19, 3:27 PM CST, 17 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SIOUX FALLS SD
327 PM CST THU NOV 19 2015
.SHORT TERM...(THIS EVENING THROUGH FRIDAY NIGHT)
ISSUED AT 325 PM CST THU NOV 19 2015
STRONG WINDS PEAKED EAST LATE THIS MORNING AND STARTED TO DROP OFF A
BIT BEFORE NOON. THE EXITING OF A WAVE TO THE NORTHEAST RESULTED IN A
DROPOFF OF LOW LEVEL WINDS AND EVEN A LITTLE WARMING AT 5K FEET...
APPARENTLY PEGGED CORRECTLY BY THE RAP AS SEEN ON BUFKIT WITH THE
WINDS...TO CUT DOWN ON THE MIXED LAYER. ADVISORY WILL BE CONTINUED
TO ORIGINAL EXPIRATION EAST BUT WILL PLAN ON CANCELING A BIT
EARLIER SOUTHWEST. WINDS WILL THEN DROP OFF QUICKLY EARLY THIS
EVENING. SKIES WILL BE GENERALLY CLEAR THROUGH THIS EVENING THOUGH
AN INCREASE IN HIGH AND SOME MID CLOUDS WILL START BEFORE MIDNIGHT
FROM THE SOUTHWEST. TEMPERATURES WILL COOL INTO THE LOWER TO
MIDDLE 20S THIS EVENING WITH THE COOLING RATE SLOWING SOUTHWEST
LATE EVENING AS CLOUDS START TO INCREASE THERE.
LOOKING AT A FAIRLY SIGNIFICANT SNOW EVENT ACROSS THE AREA ON
FRIDAY. ON THE LARGE SCALE...A SERIES OF JET STREAKS WILL AID IN
THE DEVELOPMENT AND ENHANCEMENT OF HEAVY SNOW BAND THAT IS EXPECTED
TO DEVELOP ACROSS THE AREA. AS OF 12Z...THE MAIN JET AXIS EXTENDS
FROM THE PACIFIC NW DOWN THROUGH THE CENTRAL PORTION OF THE US.
ACROSS THE UPPER MIDWEST...THERE IS A JET STREAK ACROSS SOUTHERN
MINNESOTA INTO SOUTHERN WISCONSIN WITH THE RIGHT ENTRANCE REGION
ACROSS MUCH OF THE FORECAST AREA. EXPECT THIS JET STREAK TO AID IN
THE DEVELOPMENT OF THE BAND AS THE INTENSIFYING WAVE MOVES INTO THE
AREA.
MODEL SOUNDINGS SUGGEST A FAIR AMOUNT OF DRY AIR THAT HAS TO BE
OVERCOME INITIALLY IN THE NEAR SURFACE LAYER. EXPECT ATMOSPHERE TO
SATURATE RELATIVELY QUICKLY...WITH SNOW BEGINNING TO FALL ACROSS
SOUTH CENTRAL SOUTH DAKOTA BETWEEN 9-12Z. INITIALLY SNOW SHOULD BE
FAIRLY LIGHT...BUT SHOULD INCREASE IN INTENSITY AS STRONG 700 MB
FRONTOGENTIC FORCING MOVES INTO THE AREA. WITH SNOWFALL BEGINNING
FAIRLY LIGHT...WILL LIKELY SEE SOME MELTING AS THE SURFACE LAYER IS
STILL NEAR 40 DEGREES. BY 9 AM OR SO...IT APPEARS THAT THE
ATMOSPHERE BECOMES WEAKLY UNSTABLE ABOVE THE FRONTOGENETIC BAND. IN
ADDITION...AS THE ATMOSPHERIC COLUMN COOLS...DENDRITIC LAYER
INCREASES IN DEPTH. WITH WEAK WINDS THROUGH THE ATMOSPHERE...HAVE
THE POTENTIAL OF SEEING SNOWFALL RATIOS INCREASE AS THE DENDRITIC
DEPTH INCREASES. WITH THE INSTABILTY...COULD SEE SNOWFALL RATES
INCREASE WITHIN THE MAIN BAND TO 1"+/HOUR. HAVE RAISED SNOWFALL
AMOUNTS WITHIN THE BAND...BUT HIGHER AMOUNTS ARE POSSIBLE ESPECIALLY
FROM YANKTON TO SPENCER IA AND AREAS SOUTH TOWARDS STORM LAKE.
ON THE NORTH SIDE OF THE BAND...IT IS MUCH MORE MURKY WHERE THE
NORTHERN EDGE OF THE BAND WILL SET UP. GIVEN THE UNCERTAINTY...WILL
LEAVE THE WATCH IN PLACE FOR NOW.
AS FOR TEMPERATURES...GUIDANCE IS POOR GIVEN THE AMOUNT OF WARMING
THAT IS ANTICIPATED IN THE MODELS DURING THE PRECIPITATION EVENT.
HAVE STARTED WITH PREVIOUS FORECAST...AND MADE ONLY MINOR TWEAKS TO
THE HIGHS AT THIS POINT.
WILL BE A STRUGGLE TO WARM SIGNIFICANTLY ON SATURDAY WITH SNOWPACK
LINGERING ACROSS THE SOUTH. 925 HPA TEMPS WARM TO -5 TO -7C
THROUGHOUT THE DAY...PROMOTING HIGHS IN THE 20S. SUBTLE WARM FRONT
IS EXPECTED TO MOVE THROUGH THE AREA SATURDAY NIGHT. HAVE NOT MADE
CHANGES TO THE FORECAST SATURDAY NIGHT WITH THE FORCUS ON THE SNOW
BAND.
.LONG TERM...(SUNDAY THROUGH THURSDAY)
ISSUED AT 325 PM CST THU NOV 19 2015
THE SUNDAY START OF DRY AND WARMING WEATHER WILL CONTINUE THROUGH AT
LEAST TUESDAY WITH UPPER RIDGING. THE WARMING FOR NOW LOOKS TO BE
MODIFIED BY SOME DELAY IN LOW LEVEL WARMING...LIKELY REMAINING SNOW
COVER ESPECIALLY SOUTHEAST...AND OF COURSE THE LOWERING LATE
NOVEMBER SUN ANGLE...SO LOOK FOR DAYTIME HIGHS NOT TO GET TOO FAR
INTO THE 40S FOR NOW. WEDNESDAY STILL LOOKS RELATIVELY MILD...BUT A
SOUTHERLY FETCH OF LOW LEVEL MOISTURE MAY AGAIN COME INTO PLAY AND
BRING A CHANCE OF RAIN OR DRIZZLE EAST. THANKSGIVING DAY LOOKS LIKE
COOLER WITH SOME CHANCE OF RAIN AND SNOW...IN SLIGHTLY DIFFERENT
WAYS BOTH THE GFS AND EC SHOW THIS. THE EC SHOWS A MUCH DEEPER
SYSTEM TO THE SOUTHWEST AS THANKSGIVING GETS HERE...BUT SO DEEP IT
IS SHEARED OFF FROM COMING UP BY THE NORTHERN WAVE...SO AT THIS TIME
IT DOES NOT LOOK LIKE A MAJOR HOLIDAY SYSTEM...BUT OF COURSE THAT
CAN CHANGE WHEN LOOKING A WEEK AHEAD.
&&
.AVIATION...(FOR THE 18Z TAFS THROUGH 18Z FRIDAY AFTERNOON)
ISSUED AT 1134 AM CST THU NOV 19 2015
VFR THROUGH 20/12Z. SURFACE GUSTS 25-40 KNOTS FROM THE W/NW
DECREASING FROM THE WEST 19/21Z-20/00Z. AFTER 20/12Z INCREASING
CEILINGS 1-3K AND VISIBILITIES 3-5SM/S- SOUTHWEST OF HON/FSD/SLB
LINE...WITH AREAS OF VISIBILITIES BELOW 3SM/S DEVELOPING THIS
AREA AFTER 14Z.
&&
.FSD WATCHES/WARNINGS/ADVISORIES...
SD...WINTER STORM WARNING FROM 6 AM TO 9 PM CST FRIDAY FOR SDZ068>071.
WIND ADVISORY UNTIL 6 PM CST THIS EVENING FOR SDZ038>040-050-
052>071.
WINTER STORM WATCH FROM FRIDAY MORNING THROUGH FRIDAY EVENING
FOR SDZ065>067.
WINTER WEATHER ADVISORY FROM 6 AM TO 6 PM CST FRIDAY FOR SDZ050-
063-064.
MN...WIND ADVISORY UNTIL 6 PM CST THIS EVENING FOR MNZ071-072-080-081-
089-090-097-098.
IA...WIND ADVISORY UNTIL 6 PM CST THIS EVENING FOR IAZ001>003-012>014-
020>022-031-032.
WINTER STORM WATCH FROM FRIDAY MORNING THROUGH FRIDAY EVENING
FOR IAZ001>003.
WINTER STORM WARNING FROM 9 AM FRIDAY TO MIDNIGHT CST FRIDAY
NIGHT FOR IAZ012>014-020>022-031-032.
NE...WINTER STORM WARNING FROM 6 AM TO 9 PM CST FRIDAY FOR NEZ013-014.
WIND ADVISORY UNTIL 6 PM CST THIS EVENING FOR NEZ013-014.
&&
SHORT TERM...
LONG TERM...
AVIATION...Hazardous weather outlook, Nov 19, 5:31 AM CST, 10 hours 13 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SIOUX FALLS SD 531 AM CST THU NOV 19 2015 IAZ001>003-012>014-020>022-031-032-NEZ013-014-SDZ065>071-201145- LYON IA-OSCEOLA-DICKINSON-SIOUX-O'BRIEN-CLAY IA-PLYMOUTH-CHEROKEE- BUENA VISTA-WOODBURY-IDA-DIXON-DAKOTA-HUTCHINSON-TURNER- LINCOLN SD-BON HOMME-YANKTON-CLAY SD-UNION- 531 AM CST THU NOV 19 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST IOWA...NORTHEAST NEBRASKA AND SOUTHEAST SOUTH DAKOTA. .DAY ONE...TODAY AND TONIGHT A WEST TO NORTHWEST WIND WILL AVERAGE FROM 30 TO 40 MPH TODAY... WITH OCCASIONAL GUSTS TO AROUND 50 MPH. WINDS WILL DECREASE BY THIS EVENING. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY A SIGNIFICANT WINTER STORM LOOMS FOR FRIDAY AND FRIDAY EVENING ACROSS SOUTHEAST SOUTH DAKOTA...EXTREME NORTHEAST NEBRASKA AND NORTHWEST IOWA. SNOWFALL WILL DEVELOP IN THE WESTERN MISSOURI RIVER VALLEY ON FRIDAY MORNING...WITH SNOW SPREADING INTO NORTHWEST IOWA BY MID TO LATE MORNING. SNOW WILL BECOME HEAVY AT TIMES IN THE MIDDAY AND AFTERNOON HOURS...EXTENDING TO EARLY EVENING IN NORTHWEST IOWA. TRAVEL WILL BECOME INCREASINGLY DIFFICULT AS SNOW ACCUMULATES ON ROADWAYS...AND POTENTIAL ACCUMULATIONS WILL RANGE FROM 5 TO 8 INCHES BY FRIDAY EVENING. A WINTER STORM WATCH IS IN EFFECT FOR FRIDAY AND FRIDAY EVENING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. MNZ080-081-089-090-097-098-SDZ052>062-201145- MURRAY-COTTONWOOD-NOBLES-JACKSON-PIPESTONE-ROCK-JERAULD-SANBORN- MINER-LAKE-MOODY-BRULE-AURORA-DAVISON-HANSON-MCCOOK-MINNEHAHA- 531 AM CST THU NOV 19 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST MINNESOTA...EAST CENTRAL SOUTH DAKOTA...SOUTH CENTRAL SOUTH DAKOTA AND SOUTHEAST SOUTH DAKOTA. .DAY ONE...TODAY AND TONIGHT A WEST TO NORTHWEST WIND WILL AVERAGE FROM 30 TO 40 MPH TODAY... WITH OCCASIONAL GUSTS TO AROUND 50 MPH. WINDS WILL DECREASE GRADUALLY BY THIS EVENING. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY SNOWFALL IS EXPECTED TO DEVELOP ON FRIDAY...SPREADING FROM SOUTHEAST SOUTH DAKOTA MID MORNING...INTO SOUTHWEST MINNESOTA BY EARLY AFTERNOON. GREATER SNOWFALL AMOUNTS CLOSER TO 2 TO 3 INCHES WILL OCCUR NEAR INTERSTATE 90...WITH AMOUNTS DROPPING OFF TO AN INCH OR LESS TOWARD MADISON...PIPESTONE AND SLAYTON. WITH THE SHARP GRADIENT IN SNOWFALL...ANY NORTH OR SOUTH SHIFT IN THE SNOW BAND WILL GREATLY IMPACT SNOWFALL AMOUNTS. ACCUMULATION ON ROADWAYS COULD POTENTIALLY IMPACT TRAVEL FROM LATE MORNING TO EVENING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. SDZ050-063-064-201145- GREGORY-CHARLES MIX-DOUGLAS- 531 AM CST THU NOV 19 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL SOUTH DAKOTA AND SOUTHEAST SOUTH DAKOTA. .DAY ONE...TODAY AND TONIGHT A WEST TO NORTHWEST WIND WILL AVERAGE FROM 30 TO 40 MPH TODAY... WITH OCCASIONAL GUSTS TO AROUND 50 MPH. WINDS WILL DECREASE GRADUALLY BY THIS EVENING. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY SNOWFALL IS EXPECTED TO DEVELOP VERY LATE THURSDAY NIGHT AND CONTINUE THROUGH MUCH OF FRIDAY. SNOW ACCUMULATIONS FROM 3 TO 6 INCHES ARE POSSIBLE. HAZARDOUS TRAVEL CONDITIONS ARE LIKELY AS SNOW ACCUMULATES ON ROADWAYS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. MNZ071-072-SDZ038>040-201145- LINCOLN MN-LYON MN-BEADLE-KINGSBURY-BROOKINGS- 531 AM CST THU NOV 19 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST MINNESOTA AND EAST CENTRAL SOUTH DAKOTA. .DAY ONE...TODAY AND TONIGHT A WEST TO NORTHWEST WIND WILL AVERAGE FROM 30 TO 40 MPH TODAY... WITH OCCASIONAL GUSTS TO AROUND 50 MPH. WINDS WILL DECREASE GRADUALLY BY THIS EVENING. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY AREAS OF LIGHT SNOWFALL ON FRIDAY WILL RESULT IN LITTLE ACCUMULATION. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED.
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 19, 3:44 PM CST | Winter Weather Advisory | FSD | Aurora, Brule, Charles Mix, Davison, Douglas, Gregory and 3 more | 29 hr |
Nearby
Winter Storm Warnings in Iowa, 2015Winter Storm Warnings in South Dakota, 2015Winter Storm Warnings in Nebraska, 2015Every winter storm warning in 2015
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.