Alert archive / South Dakota / Winter Storm Warnings in 2014
Winter Storm Warning 1, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this winter storm warning at Mar 17, 2014, 3:57 PM CDT for 4 counties in South Dakota; Lincoln County, Lyon County, Minnesota. It took effect at Mar 18, 2014, 4:00 AM CDT. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Mar 17, 2014, 3:57 PM CDT (20:57 UTC)
- In effect from
- Mar 18, 2014, 4:00 AM CDT
- Expired
- Mar 18, 2014, 4:39 AM CDT
- In force
- 39 min
- Issued by
- NWS Sioux Falls, SD
Counties Lincoln County, MN, Lyon County, MN, Brookings County, SD, Kingsbury County, SD, Lake County, SD, Miner County, SD
The radar
The Sioux Falls radar (KFSD), 76 km from the middle of the area, began a volume at 21:02 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Aberdeen, SD (KABR), launched 12:00Z, 9.0 hours before the alert went out and 141 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
- 1382 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 71 m²/s²
- 0-3 km storm-relative helicity
- 196 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
746 WWUS43 KFSD 172057 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 357 PM CDT MON MAR 17 2014 SDZ039-040-054-055-180500- /O.UPG.KFSD.WS.A.0001.140318T1200Z-140319T0000Z/ /O.NEW.KFSD.WS.W.0001.140318T0900Z-140319T0000Z/ KINGSBURY-BROOKINGS-MINER-LAKE- INCLUDING THE CITIES OF...DE SMET...ARLINGTON...LAKE PRESTON... BROOKINGS...HOWARD...MADISON 357 PM CDT MON MAR 17 2014 ...WINTER STORM WARNING IN EFFECT FROM 4 AM TO 7 PM CDT TUESDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 4 AM TO 7 PM CDT TUESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW WILL DEVELOP EARLY TUESDAY MORNING AND THEN PICK UP IN INTENSITY THROUGH THE MORNING INTO EARLY AFTERNOON...WHEN IT WILL BE HEAVY AT TIMES. THE SNOW WILL TAPER OFF IN THE LATE AFTERNOON EVENING HOURS. * ACCUMULATIONS...SNOW ACCUMULATIONS OF 5 TO 8 INCHES ARE EXPECTED. * WIND AND VISIBILITY...NORTH TO NORTHWEST WINDS WILL INCREASE THROUGH TUESDAY MORNING INTO THE AFTERNOON...BECOMING 20 TO 30 MPH WITH SOME GUSTS TO 40 MPH POSSIBLE. WHILE THIS WILL BE A WET SNOW SOME BLOWING SNOW WILL BE POSSIBLE...ESPECIALLY WHEN SNOW IS FALLING. VISIBILITY COULD BE REDUCED TO A QUARTER MILE AT TIMES IN THE HEAVIER BAND OF 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. && $$ MNZ071-072-180500- /O.UPG.KFSD.WS.A.0001.140318T1200Z-140319T0000Z/ /O.NEW.KFSD.WS.W.0001.140318T1200Z-140319T0600Z/ LINCOLN-LYON- INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON... IVANHOE...MARSHALL 357 PM CDT MON MAR 17 2014 ...WINTER STORM WARNING IN EFFECT FROM 7 AM TUESDAY TO 1 AM CDT WEDNESDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 7 AM TUESDAY TO 1 AM CDT WEDNESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW WILL DEVELOP TUESDAY MORNING AND THEN PICK UP IN INTENSITY FROM LATE MORNING INTO EARLY AFTERNOON...WHEN IT WILL BE HEAVY AT TIMES. THE SNOW WILL TAPER OFF THROUGH THE EVENING HOURS. * ACCUMULATIONS...SNOW ACCUMULATIONS OF 5 TO 8 INCHES ARE EXPECTED. * WIND AND VISIBILITY...NORTH TO NORTHWEST WINDS WILL INCREASE THROUGH THE DAY...BECOMING 20 TO 30 MPH WITH SOME GUSTS UP TO 40 MPH POSSIBLE BY LATE AFTERNOON. WHILE THIS WILL BE A WET SNOW SOME BLOWING SNOW WILL BE POSSIBLE...ESPECIALLY WHEN SNOW IS FALLING. VISIBILITY COULD BE REDUCED TO A QUARTER MILE AT TIMES IN THE HEAVIER BAND OF SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ MNZ080-081-097-SDZ056-180500- /O.UPG.KFSD.WS.A.0001.140318T1200Z-140319T0000Z/ /O.NEW.KFSD.WW.Y.0013.140318T1200Z-140319T0600Z/ MURRAY-COTTONWOOD-PIPESTONE-MOODY- INCLUDING THE CITIES OF...SLAYTON...FULDA...WINDOM... MOUNTAIN LAKE...PIPESTONE...FLANDREAU 357 PM CDT MON MAR 17 2014 ...WINTER WEATHER ADVISORY IN EFFECT FROM 7 AM TUESDAY TO 1 AM CDT WEDNESDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 7 AM TUESDAY TO 1 AM CDT WEDNESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...RAIN WILL BEGIN TUESDAY MORNING...BEFORE QUICKLY MIXING WITH AND CHANGING TO SNOW. THE SNOW MAY BE MODERATE AT TIMES FROM LATE MORNING INTO THE AFTERNOON HOURS. * ACCUMULATIONS...SNOW ACCUMULATIONS OF 3 TO 5 INCHES. * WIND AND VISIBILITY...NORTH TO NORTHWEST WINDS WILL INCREASE THROUGH THE DAY...BECOMING 20 TO 30 MPH WITH SOME GUSTS UP TO 40 MPH POSSIBLE BY LATE AFTERNOON. WHILE THIS WILL BE A WET SNOW...SOME BLOWING SNOW WILL BE POSSIBLE...ESPECIALLY WHEN SNOW IS FALLING. VISIBILITY COULD BE REDUCED TO BELOW A MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. && $$ SDZ038-050-052-053-057>061-063>065-068-180500- /O.NEW.KFSD.WW.Y.0013.140318T0900Z-140319T0000Z/ BEADLE-GREGORY-JERAULD-SANBORN-BRULE-AURORA-DAVISON-HANSON-MCCOOK- CHARLES MIX-DOUGLAS-HUTCHINSON-BON HOMME- INCLUDING THE CITIES OF...HURON...GREGORY...BURKE... WESSINGTON SPRINGS...ALPENA...WOONSOCKET...CHAMBERLAIN... KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL... ALEXANDRIA...EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE... WAGNER...PLATTE...LAKE ANDES...MARTY...ARMOUR...CORSICA... DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP...TYNDALL... SCOTLAND...SPRINGFIELD...AVON...TABOR 357 PM CDT MON MAR 17 2014 ...WINTER WEATHER ADVISORY IN EFFECT FROM 4 AM TO 7 PM CDT TUESDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 4 AM TO 7 PM CDT TUESDAY. * TIMING...RAIN WILL BEGIN LATE TONIGHT...BEFORE QUICKLY MIXING WITH AND CHANGING TO SNOW. THE SNOW MAY BE MODERATE AT TIMES DURING THE MORNING INTO EARLY AFTERNOON. * ACCUMULATIONS...SNOW ACCUMULATIONS OF 2 TO 5 INCHES. THE HIGHER AMOUNTS ARE EXPECTED IN A NARROW BAND...CURRENTLY EXPECTED TO BE IN THE MITCHELL VICINITY. * WIND AND VISIBILITY...NORTH TO NORTHWEST WINDS WILL INCREASE THROUGH THE MORNING...BECOMING 20 TO 35 MPH WITH SOME GUSTS UP TO 45 MPH POSSIBLE. THE STRONGEST OF THESE WINDS ARE LIKELY TO BE ALONG AND WEST OF THE JAMES RIVER. WHILE THIS WILL BE A WET SNOW...SOME BLOWING SNOW WILL BE POSSIBLE...ESPECIALLY WHEN SNOW IS FALLING. VISIBILITY COULD BE REDUCED TO BELOW A MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. && $$ MNZ089-090-098-SDZ062-180500- /O.NEW.KFSD.WW.Y.0013.140318T1200Z-140319T0600Z/ NOBLES-JACKSON-ROCK-MINNEHAHA- INCLUDING THE CITIES OF...WORTHINGTON...JACKSON...LAKEFIELD... LUVERNE...SIOUX FALLS 357 PM CDT MON MAR 17 2014 ...WINTER WEATHER ADVISORY IN EFFECT FROM 7 AM TUESDAY TO 1 AM CDT WEDNESDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 7 AM TUESDAY TO 1 AM CDT WEDNESDAY. * TIMING...RAIN WILL BEGIN TUESDAY MORNING...BEFORE QUICKLY MIXING WITH AND CHANGING TO SNOW. THE SNOW MAY BE MODERATE AT TIMES FROM LATE MORNING INTO THE AFTERNOON HOURS. * ACCUMULATIONS...SNOW ACCUMULATIONS OF 2 TO 4 INCHES. * WIND AND VISIBILITY...NORTH TO NORTHWEST WINDS WILL INCREASE THROUGH THE DAY...BECOMING 20 TO 30 MPH WITH SOME GUSTS UP TO 40 MPH POSSIBLE BY LATE AFTERNOON. WHILE THIS WILL BE A WET SNOW...SOME BLOWING SNOW WILL BE POSSIBLE...ESPECIALLY WHEN SNOW IS FALLING. VISIBILITY COULD BE REDUCED TO BELOW A MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. && $$
2 follow-up statements
341 WWUS43 KFSD 180252 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 952 PM CDT MON MAR 17 2014 SDZ039-040-054-055-181100- /O.CON.KFSD.WS.W.0001.140318T0900Z-140319T0000Z/ KINGSBURY-BROOKINGS-MINER-LAKE- INCLUDING THE CITIES OF...DE SMET...ARLINGTON...LAKE PRESTON... BROOKINGS...HOWARD...MADISON 952 PM CDT MON MAR 17 2014 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 AM TO 7 PM CDT TUESDAY... * TIMING...SNOW WILL DEVELOP EARLY TUESDAY MORNING AND THEN PICK UP IN INTENSITY THROUGH THE MORNING INTO EARLY AFTERNOON...WHEN IT WILL BE HEAVY AT TIMES. THE SNOW WILL TAPER OFF IN THE LATE AFTERNOON AND EVENING HOURS. * ACCUMULATIONS...SNOW ACCUMULATIONS OF 5 TO 8 INCHES ARE EXPECTED. * WIND AND VISIBILITY...NORTH TO NORTHWEST WINDS WILL INCREASE THROUGH TUESDAY MORNING INTO THE AFTERNOON...BECOMING 20 TO 30 MPH WITH SOME GUSTS TO 40 MPH POSSIBLE. WHILE THIS WILL BE A WET SNOW SOME BLOWING SNOW WILL BE POSSIBLE...ESPECIALLY WHEN SNOW IS FALLING. VISIBILITY COULD BE REDUCED TO A QUARTER MILE AT TIMES IN THE HEAVIER BAND OF SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD... AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ MNZ071-072-181100- /O.CON.KFSD.WS.W.0001.140318T1200Z-140319T0600Z/ LINCOLN-LYON- INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON... IVANHOE...MARSHALL 952 PM CDT MON MAR 17 2014 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 7 AM TUESDAY TO 1 AM CDT WEDNESDAY... * TIMING...SNOW WILL DEVELOP TUESDAY MORNING...THEN PICK UP IN INTENSITY FROM LATE MORNING INTO EARLY AFTERNOON...WHEN IT WILL BE HEAVY AT TIMES. THE SNOW WILL TAPER OFF THROUGH THE EVENING HOURS. * ACCUMULATIONS...SNOW ACCUMULATIONS OF 5 TO 8 INCHES ARE EXPECTED. * WIND AND VISIBILITY...NORTH TO NORTHWEST WINDS WILL INCREASE THROUGH THE DAY...BECOMING 20 TO 30 MPH WITH SOME GUSTS UP TO 40 MPH POSSIBLE BY LATE AFTERNOON. WHILE THIS WILL BE A WET SNOW SOME BLOWING SNOW WILL BE POSSIBLE...ESPECIALLY WHEN SNOW IS FALLING. VISIBILITY COULD BE REDUCED TO A QUARTER MILE AT TIMES IN THE HEAVIER BAND OF 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. && $$ SDZ060-061-065-068-181100- /O.EXT.KFSD.WW.Y.0013.140318T1200Z-140319T0000Z/ HANSON-MCCOOK-HUTCHINSON-BON HOMME- INCLUDING THE CITIES OF...ALEXANDRIA...EMERY...SALEM... CANISTOTA...BRIDGEWATER...MONTROSE...PARKSTON...FREEMAN...MENNO... TRIPP...TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR 952 PM CDT MON MAR 17 2014 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 7 AM TO 7 PM CDT TUESDAY... * TIMING...RAIN WILL BEGIN LATE TONIGHT...QUICKLY MIXING WITH AND CHANGING TO SNOW BY DAYBREAK. THE SNOW MAY BE MODERATE AT TIMES DURING THE MORNING INTO EARLY AFTERNOON. * ACCUMULATIONS...SNOW ACCUMULATIONS OF 2 TO 5 INCHES...WITH THE HIGHER AMOUNTS CURRENTLY EXPECTED TO BE TOWARD INTERSTATE 90. * WIND AND VISIBILITY...NORTH TO NORTHWEST WINDS WILL INCREASE THROUGH THE MORNING...BECOMING 20 TO 35 MPH WITH SOME GUSTS UP TO 45 MPH POSSIBLE. THE STRONGEST OF THESE WINDS ARE LIKELY TO BE ALONG AND WEST OF THE JAMES RIVER. WHILE THIS WILL BE A WET SNOW...SOME BLOWING SNOW WILL BE POSSIBLE...ESPECIALLY WHEN SNOW IS FALLING. VISIBILITY COULD BE REDUCED TO BELOW A MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. && $$ MNZ081-089-090-098-SDZ062-181100- /O.EXT.KFSD.WW.Y.0013.140318T1500Z-140319T0600Z/ COTTONWOOD-NOBLES-JACKSON-ROCK-MINNEHAHA- INCLUDING THE CITIES OF...WINDOM...MOUNTAIN LAKE...WORTHINGTON... JACKSON...LAKEFIELD...LUVERNE...SIOUX FALLS 952 PM CDT MON MAR 17 2014 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 10 AM TUESDAY TO 1 AM CDT WEDNESDAY... * TIMING...RAIN WILL BEGIN TUESDAY MORNING...QUICKLY MIXING WITH AND CHANGING TO SNOW IN THE MID TO LATE MORNING HOURS. THE SNOW MAY BE MODERATE AT TIMES FROM LATE MORNING INTO THE AFTERNOON HOURS. * ACCUMULATIONS...SNOW ACCUMULATIONS OF 2 TO 5 INCHES...WITH HIGHEST AMOUNTS EXPECTED IN NORTHERN PORTIONS OF MINNEHAHA AND COTTONWOOD COUNTIES. * WIND AND VISIBILITY...NORTH TO NORTHWEST WINDS WILL INCREASE THROUGH THE DAY...BECOMING 20 TO 30 MPH WITH SOME GUSTS UP TO 40 MPH POSSIBLE BY LATE AFTERNOON. WHILE THIS WILL BE A WET SNOW...SOME BLOWING SNOW WILL BE POSSIBLE...ESPECIALLY WHEN SNOW IS FALLING. VISIBILITY COULD BE REDUCED TO BELOW A MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. && $$ SDZ038-050-052-053-057>059-063-064-181100- /O.CON.KFSD.WW.Y.0013.140318T0900Z-140319T0000Z/ BEADLE-GREGORY-JERAULD-SANBORN-BRULE-AURORA-DAVISON-CHARLES MIX- DOUGLAS- INCLUDING THE CITIES OF...HURON...GREGORY...BURKE... WESSINGTON SPRINGS...ALPENA...WOONSOCKET...CHAMBERLAIN... KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL... WAGNER...PLATTE...LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT 952 PM CDT MON MAR 17 2014 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 AM TO 7 PM CDT TUESDAY... * TIMING...RAIN WILL BEGIN EARLY TUESDAY MORNING...QUICKLY MIXING WITH AND CHANGING TO SNOW BY DAYBREAK. THE SNOW MAY BE MODERATE AT TIMES DURING THE MORNING INTO EARLY AFTERNOON. * ACCUMULATIONS...SNOW ACCUMULATIONS OF 2 TO 5 INCHES. THE HIGHER AMOUNTS ARE EXPECTED IN A NARROW BAND...CURRENTLY EXPECTED TO BE AROUND THE MITCHELL VICINITY. * WIND AND VISIBILITY...NORTH TO NORTHWEST WINDS WILL INCREASE THROUGH THE MORNING...BECOMING 20 TO 35 MPH WITH SOME GUSTS UP TO 45 MPH POSSIBLE. THE STRONGEST OF THESE WINDS ARE LIKELY TO BE ALONG AND WEST OF THE JAMES RIVER. WHILE THIS WILL BE A WET SNOW...SOME BLOWING SNOW WILL BE POSSIBLE...ESPECIALLY WHEN SNOW IS FALLING. VISIBILITY COULD BE REDUCED TO BELOW A MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. && $$ MNZ080-097-SDZ056-181100- /O.CON.KFSD.WW.Y.0013.140318T1200Z-140319T0600Z/ MURRAY-PIPESTONE-MOODY- INCLUDING THE CITIES OF...SLAYTON...FULDA...PIPESTONE...FLANDREAU 952 PM CDT MON MAR 17 2014 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 AM TUESDAY TO 1 AM CDT WEDNESDAY... * TIMING...RAIN WILL BEGIN TUESDAY MORNING...QUICKLY MIXING WITH AND CHANGING TO SNOW SHORTLY AFTER DAYBREAK. THE SNOW MAY BE MODERATE AT TIMES FROM LATE MORNING INTO THE AFTERNOON HOURS. * ACCUMULATIONS...SNOW ACCUMULATIONS OF 3 TO 5 INCHES. * WIND AND VISIBILITY...NORTH TO NORTHWEST WINDS WILL INCREASE THROUGH THE DAY...BECOMING 20 TO 30 MPH WITH SOME GUSTS UP TO 40 MPH POSSIBLE BY LATE AFTERNOON. WHILE THIS WILL BE A WET SNOW...SOME BLOWING SNOW WILL BE POSSIBLE...ESPECIALLY WHEN SNOW IS FALLING. VISIBILITY COULD BE REDUCED TO BELOW A MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. && $$
587 WWUS43 KFSD 180939 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 439 AM CDT TUE MAR 18 2014 SDZ039-040-054-055-181745- /O.CAN.KFSD.WS.W.0001.000000T0000Z-140319T0000Z/ /O.NEW.KFSD.WS.W.0002.140318T1600Z-140319T0300Z/ KINGSBURY-BROOKINGS-MINER-LAKE- INCLUDING THE CITIES OF...DE SMET...ARLINGTON...LAKE PRESTON... BROOKINGS...HOWARD...MADISON 439 AM CDT TUE MAR 18 2014 ...WINTER STORM WARNING IN EFFECT FROM 11 AM THIS MORNING TO 10 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 10 PM CDT THIS EVENING. * TIMING...SNOW WILL DEVELOP THIS MORNING AND THEN PICK UP IN INTENSITY BY EARLY AFTERNOON...WHEN IT WILL BE HEAVY AT TIMES. THE SNOW WILL TAPER OFF IN THE LATE AFTERNOON AND EVENING HOURS. * ACCUMULATIONS...SNOW ACCUMULATIONS OF 4 TO 7 INCHES ARE EXPECTED. * WIND AND VISIBILITY...NORTH TO NORTHWEST WINDS WILL INCREASE THROUGH TUESDAY MORNING INTO THE AFTERNOON...BECOMING 20 TO 30 MPH WITH SOME GUSTS TO 40 MPH POSSIBLE. WHILE THIS WILL BE A WET SNOW SOME BLOWING SNOW WILL BE POSSIBLE...ESPECIALLY WHEN SNOW IS FALLING. VISIBILITY COULD BE REDUCED TO A QUARTER MILE AT TIMES IN THE HEAVIER BAND OF SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD... AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ MNZ071-072-181745- /O.CAN.KFSD.WS.W.0001.140318T1200Z-140319T0600Z/ /O.EXB.KFSD.WW.Y.0013.140318T1700Z-140319T0600Z/ LINCOLN-LYON- INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON... IVANHOE...MARSHALL 439 AM CDT TUE MAR 18 2014 ...WINTER WEATHER ADVISORY IN EFFECT FROM NOON TODAY TO 1 AM CDT WEDNESDAY... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM NOON TODAY TO 1 AM CDT WEDNESDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. * TIMING...A MIX OF RAIN AND SNOW WILL QUICKLY CHANGE TO SNOW AROUND NOON. THE SNOW MAY BE MODERATE AT TIMES FROM LATE MORNING INTO THE AFTERNOON HOURS. * ACCUMULATIONS...SNOW ACCUMULATIONS OF 3 TO 5 INCHES. * WIND AND VISIBILITY...NORTH TO NORTHWEST WINDS WILL INCREASE THROUGH THE DAY...BECOMING 20 TO 30 MPH WITH SOME GUSTS UP TO 40 MPH POSSIBLE BY LATE AFTERNOON. WHILE THIS WILL BE A WET SNOW...SOME BLOWING SNOW WILL BE POSSIBLE...ESPECIALLY WHEN SNOW IS FALLING. VISIBILITY COULD BE REDUCED TO BELOW A MILE AT TIMES. 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. && $$ SDZ050-052-057-058-063-064-181745- /O.CAN.KFSD.WW.Y.0013.000000T0000Z-140319T0000Z/ /O.NEW.KFSD.WW.Y.0014.140318T1500Z-140319T0000Z/ GREGORY-JERAULD-BRULE-AURORA-CHARLES MIX-DOUGLAS- INCLUDING THE CITIES OF...GREGORY...BURKE...WESSINGTON SPRINGS... ALPENA...CHAMBERLAIN...KIMBALL...PLANKINTON...WHITE LAKE... STICKNEY...WAGNER...PLATTE...LAKE ANDES...MARTY...ARMOUR... CORSICA...DELMONT 439 AM CDT TUE MAR 18 2014 ...WINTER WEATHER ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 7 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 7 PM CDT THIS EVENING. * TIMING...A MIX OF RAIN AND SNOW WILL QUICKLY CHANGE TO SNOW BY MID MORNING. THE SNOW MAY BE MODERATE AT TIMES DURING THE MORNING INTO EARLY AFTERNOON. * ACCUMULATIONS...SNOW ACCUMULATIONS OF 2 TO 5 INCHES. * WIND AND VISIBILITY...NORTH TO NORTHWEST WINDS WILL INCREASE THROUGH THE MORNING...BECOMING 20 TO 35 MPH WITH SOME GUSTS UP TO 45 MPH POSSIBLE. THE STRONGEST OF THESE WINDS ARE LIKELY TO BE ALONG AND WEST OF THE JAMES RIVER. WHILE THIS WILL BE A WET SNOW...SOME BLOWING SNOW WILL BE POSSIBLE...ESPECIALLY WHEN SNOW IS FALLING. VISIBILITY COULD BE REDUCED TO BELOW A MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. && $$ SDZ038-053-059-181745- /O.UPG.KFSD.WW.Y.0013.000000T0000Z-140319T0000Z/ /O.NEW.KFSD.WS.W.0002.140318T1500Z-140319T0000Z/ BEADLE-SANBORN-DAVISON- INCLUDING THE CITIES OF...HURON...WOONSOCKET...MITCHELL 439 AM CDT TUE MAR 18 2014 ...WINTER STORM WARNING IN EFFECT FROM 10 AM THIS MORNING TO 7 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 7 PM CDT THIS EVENING. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * TIMING...A MIX OF RAIN AND SNOW WILL QUICKLY CHANGE TO SNOW BY MID MORNING. THE SNOW MAY BE HEAVY AT TIMES DURING THE LATE MORNING INTO AFTERNOON. * ACCUMULATIONS...SNOW ACCUMULATIONS OF 4 TO 7 INCHES. * WIND AND VISIBILITY...NORTH TO NORTHWEST WINDS WILL INCREASE THROUGH THE MORNING...BECOMING 20 TO 35 MPH WITH SOME GUSTS UP TO 45 MPH POSSIBLE. THE STRONGEST OF THESE WINDS ARE LIKELY TO BE ALONG AND WEST OF THE JAMES RIVER. WHILE THIS WILL BE A WET SNOW...SOME BLOWING SNOW WILL BE POSSIBLE...ESPECIALLY WHEN SNOW IS FALLING. VISIBILITY COULD BE REDUCED TO BELOW A MILE AT TIMES. 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. && $$ SDZ060-061-065-068-181745- /O.EXT.KFSD.WW.Y.0013.140318T1700Z-140319T0000Z/ HANSON-MCCOOK-HUTCHINSON-BON HOMME- INCLUDING THE CITIES OF...ALEXANDRIA...EMERY...SALEM... CANISTOTA...BRIDGEWATER...MONTROSE...PARKSTON...FREEMAN...MENNO... TRIPP...TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR 439 AM CDT TUE MAR 18 2014 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS EVENING... * TIMING...A MIX OF RAIN AND SNOW WILL QUICKLY CHANGE TO SNOW BY LATE MORNING. THE SNOW MAY BE MODERATE AT TIMES DURING THE MORNING INTO EARLY AFTERNOON. * ACCUMULATIONS...SNOW ACCUMULATIONS OF 2 TO 4 INCHES...WITH THE HIGHER AMOUNTS CURRENTLY EXPECTED TO BE TOWARD INTERSTATE 90. * WIND AND VISIBILITY...NORTH TO NORTHWEST WINDS WILL INCREASE THROUGH THE MORNING...BECOMING 20 TO 30 MPH WITH SOME GUSTS UP TO 40 MPH POSSIBLE. THE STRONGEST OF THESE WINDS ARE LIKELY TO BE ALONG AND WEST OF THE JAMES RIVER. WHILE THIS WILL BE A WET SNOW...SOME BLOWING SNOW WILL BE POSSIBLE...ESPECIALLY WHEN SNOW IS FALLING. VISIBILITY COULD BE REDUCED TO BELOW A MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. && $$ MNZ080-097-SDZ056-181745- /O.EXT.KFSD.WW.Y.0013.140318T1700Z-140319T0600Z/ MURRAY-PIPESTONE-MOODY- INCLUDING THE CITIES OF...SLAYTON...FULDA...PIPESTONE...FLANDREAU 439 AM CDT TUE MAR 18 2014 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM NOON TODAY TO 1 AM CDT WEDNESDAY... * TIMING...A MIX OF RAIN AND SNOW WILL QUICKLY CHANGE TO SNOW BY LATE MORNING. THE SNOW MAY BE MODERATE AT TIMES DURING THE MORNING INTO EARLY AFTERNOON. * ACCUMULATIONS...SNOW ACCUMULATIONS OF 2 TO 4 INCHES. * WIND AND VISIBILITY...NORTH TO NORTHWEST WINDS WILL INCREASE THROUGH THE DAY...BECOMING 20 TO 30 MPH WITH SOME GUSTS UP TO 40 MPH POSSIBLE BY LATE AFTERNOON. WHILE THIS WILL BE A WET SNOW...SOME BLOWING SNOW WILL BE POSSIBLE...ESPECIALLY WHEN SNOW IS FALLING. VISIBILITY COULD BE REDUCED TO BELOW A MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. && $$ MNZ081-089-090-098-SDZ062-181745- /O.EXT.KFSD.WW.Y.0013.140318T2000Z-140319T0600Z/ COTTONWOOD-NOBLES-JACKSON-ROCK-MINNEHAHA- INCLUDING THE CITIES OF...WINDOM...MOUNTAIN LAKE...WORTHINGTON... JACKSON...LAKEFIELD...LUVERNE...SIOUX FALLS 439 AM CDT TUE MAR 18 2014 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 3 PM THIS AFTERNOON TO 1 AM CDT WEDNESDAY... * TIMING...A MIX OF RAIN AND SNOW WILL CHANGE TO SNOW BY EARLY AFTERNOON. THE SNOW MAY BE MODERATE AT TIMES DURING THE AFTERNOON. * ACCUMULATIONS...SNOW ACCUMULATIONS OF 2 TO 4 INCHES...WITH HIGHEST AMOUNTS EXPECTED IN NORTHERN PORTIONS OF MINNEHAHA AND COTTONWOOD COUNTIES. * WIND AND VISIBILITY...NORTH TO NORTHWEST WINDS WILL INCREASE THROUGH THE DAY...BECOMING 20 TO 30 MPH WITH SOME GUSTS UP TO 40 MPH POSSIBLE BY LATE AFTERNOON. WHILE THIS WILL BE A WET SNOW...SOME BLOWING SNOW WILL BE POSSIBLE...ESPECIALLY WHEN SNOW IS FALLING. VISIBILITY COULD BE REDUCED TO BELOW A MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. && $$
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 Mar 17, 3:37 PM CDT, 20 minutes earlier.
Area forecast discussion, Mar 17, 3:37 PM CDT, 20 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SIOUX FALLS SD
337 PM CDT MON MAR 17 2014
.SHORT TERM...(THIS EVENING THROUGH TUESDAY)
ISSUED AT 334 PM CDT MON MAR 17 2014
ACTIVE FORECAST IN THE SHORT TERM WITH DEEPENING WAVE MOVING OUT OF
THE NORTHERN ROCKIES INTO THE NORTHERN AND CENTRAL PLAINS. 130+KT
JET IS EXPECTED TO WORK DOWN THE BACK SIDE OF THE UPPER TROUGH
TONIGHT AND ROUND THE BASE OF THE TROUGH THROUGH THE DAY ON TUESDAY.
EXPECT TEMPERATURES TO REMAIN ABOVE FREEZING THROUGH MUCH OF THE
OVERNIGHT. AS THE FLOW TURNS MORE NORTHEASTERLY AND FORCING ALOFT
INCREASES...EXPECT PRECIPITATION TO BEGIN AND TEMPERATURES BEGIN TO
FALL. PRECIPITATION IS EXPECTED TO BEGIN AS RAIN...BUT SHOULD
TRANSITION OVER TO SNOW AS COOLER AIR MOVES IN.
FAIRLY STRONG FRONTOGENETIC FORCING COUPLED WITH DIV Q COUPLET IS
EXPECTED TO MIGRATE FROM WEST TO EAST THROUGHOUT THE DAY ON
TUESDAY. MODELS ARE DIFFERING ON WHICH ELEVATED FRONT WILL BECOME
THE MAIN FOCUS. IT APPEARS AS THOUGH MODELS KEY IN THE 650-700 MB
FRONT INITIALLY ACROSS THE WESTERN CWA NEAR 12Z ON MONDAY. THERE IS
SOME ELEVATED INSTABILITY ABOVE 600 MB...BUT THE QUESTION REMAINS AS
TO WHETHER THIS IS TOO ELEVATED TO BE EFFECTIVELY USED BY THE
DYNAMICS. THE NAM DEVELOPS A SECONDARY BAND OF PRECIPITATION ALONG
A LOWER LEVEL BOUNDARY FURTHER TO THE EAST WHILE THE GFS KEEPS THE
FOCUS FURTHER TO THE WEST ALONG THE ELEVATED BOUNDARY. ALL THE
MODEL OUTPUT HINTS AT A BANDED PRECIPITATION EVENT...JUST DIFFERING
SOME ON THE PLACEMENT. DID NOT PLACE THE BAND AS FAR WEST AS THE GFS
ACROSS CENTRAL SOUTH DAKOTA...BUT OPTED FOR A PLACEMENT FROM
MHE-BKX-MML WHICH AGREES FAIRLY WELL MANY OF THE HIGH RES
SOLUTIONS. HAVE HIGH ENOUGH CONFIDENCE FOR THE NORTHERN PORTIONS OF
THE CWA TO UPGRADE TO A WARNING. IT IS POSSIBLE THE WARNING WILL
NEED TO BE EXPANDED FURTHER TO THE SOUTH...BUT DON/T HAVE HIGH
ENOUGH CONFIDENCE IN PRECISE PLACEMENT OF THE BAND. OTHER
COMPLICATING FACTOR WILL BE THE BRISK NORTHWEST WINDS. MODELS
INDICATE 30-40 KNOTS OF FLOW MOVING INTO THE REGION WITH LOW LEVEL
COLD AIR ADVECTION LEADING TO A BREEZY DAY. DON/T EXPECT SNOW TO
BLOW APPRECIABLY ACROSS MUCH OF THE FORECAST AREA FOR MULTIPLE
REASONS. FIRST AND FOREMOST...THE SNOW SHOULD BE FAIRLY WET WITH
EXPECTED SNOW RATIOS AROUND 12:1...AND THEREFORE WILL ONLY BLOW AS
IT IS FALLING. SECOND...AM DEALING WITH BARE GROUND IN MANY
LOCATION...SO SURFACE SHOULD KEEP SNOW FROM BLOWING. STILL COULD
SEE SOME BLOWING ALONG AREA ROADWAYS HOWEVER AS DITCHES STILL REMAIN
FAIRLY FULL. IN TERMS OF TEMPERATURES...SHOULD SEE TEMPERATURES
REMAIN FAIRLY STEADY...IF NOT COOL A DEGREE OR TWO AS THE
PRECIPITATION BAND WORKS THROUGH.
.LONG TERM...(TUESDAY NIGHT THROUGH MONDAY)
ISSUED AT 334 PM CDT MON MAR 17 2014
THE SNOW WILL LINGER IN OUR EAST ON TUESDAY EVENING AS THE TROWAL
PULLS ACROSS THE AREA...BUT SHOULD PRETTY MUCH BE OVER BY 06Z. ANY
ADDITIONAL SNOWFALL AMOUNTS WILL RANGE FROM AROUND AND INCH THROUGH
THE COTTONWOOD COUNTY TO BUENA VISTA COUNTRY CORRIDOR...TO A LITTLE
LESS THAN HALF AN INCH ALONG INTERSTATE 29. WITH NORTHWESTERLY WINDS
CONTINUING TO BLOW AT 20 TO 30 KTS DURING THE EVENING...MAY HAVE
SOME VISIBILITY ISSUES WHEN SNOW IS FALLING...AND MAY HAVE TO
EXPAND THE WINTER WEATHER ADVISORY INTO PORTIONS OF OUR SOUTHEAST
AT SOME POINT. LOWS ARE SOMEWHAT TRICKY ON TUESDAY
NIGHT...DEPENDENT ON WHERE EXACTLY SNOW FALLS...THOUGH THE LOWER
BOUNDARY LAYER WILL REMAIN PRETTY WELL MIXED OVERNIGHT WITH
NORTHWESTERLY WINDS ONLY SLOWLY FALLING OFF...SO GOING FOR LOWS IN
THE LOWER TO MID 20S.
ONLY WILL GET A BRIEF BREAK HOWEVER...WITH ALL MODELS EXCEPT THE NAM
INDICATING A SECONDARY SHORTWAVE DROPPING THROUGH THE REGION ON
WEDNESDAY. NOT EXPECTING A LOT OF PRECIPITATION WITH THIS SYSTEM AS
IT PASSES QUICKLY ACROSS THE AREA. THINK THAT MOST OF THIS
PRECIPITATION WOULD BE IN THE FORM OF SNOW HOWEVER WITH 850 MB
TEMPERATURES STILL SITTING IN THE -3 TO -8 C RANGE...THOUGH WITH
SURFACE TEMPERATURES CLIMBING INTO THE LOWER 40S IN THE
SOUTH...COULD HAVE A BRIEF PERIOD OF RAIN/SNOW IF THE PRECIPITATION
WERE TO LINGER INTO THE AFTERNOON.
A SOUTHERLY RETURN FLOW BEGINS TO SET UP ON WEDNESDAY NIGHT AND
THURSDAY AS A SURFACE TROUGH DEVELOPS OVER THE WESTERN HIGH PLAINS.
WITH THAT...WILL BEGIN TO SEE SOME MODERATION IN
TEMPERATURES...STUNTED SOMEWHAT BY SNOW COVER OVER AT LEAST PORTIONS
OF THE AREA. THIS WILL OF COURSE MAKE FOR A TRICKY TEMPERATURE
FORECAST...BUT AT THIS POINT GOING FOR LOWS ON WEDNESDAY NIGHT IN
THE 20S...TO HIGHS ON THURSDAY RANGING FROM THE 40S OVER EAST
CENTRAL SOUTH DAKOTA AND SOUTHWESTERN MINNESOTA...TO POSSIBLY AS
WARM AS 60 ALONG THE LOWER MISSOURI RIVER CORRIDOR...THOUGH MAY NOT
QUITE REACH THAT IF SNOWCOVER IS DEEPER THAN ANTICIPATED.
THE ACTIVE PATTERN CONTINUES INTO AT LEAST THE EARLY PART OF THE
EXTENDED...WITH ANOTHER SHORTWAVE DROPPING INTO THE NORTHERN PLAINS
ON FRIDAY. TYPICAL MODEL DIFFERENCES WITH TIMING AND PLACEMENT...BUT
DOES APPEAR THAT ANOTHER ROUND OF LIGHT RAIN AND SNOW WILL BE
POSSIBLE WITH THIS SYSTEM. COOLER AIR WILL FEED IN BEHIND THIS
FEATURE...KEEPING TEMPERATURES BELOW NORMAL THROUGH THE
WEEKEND...BEFORE TRENDING UPWARDS TO NORMAL BY THE START OF NEXT
WEEK.
&&
.AVIATION...(FOR THE 18Z TAFS THROUGH 18Z TUESDAY AFTERNOON)
ISSUED AT 1245 PM CDT MON MAR 17 2014
VFR CONDITIONS EXPECTED ACROSS THE AREA...WITH A STORM SYSTEM
BRINGING DETERIORATING CONDITIONS LATER TONIGHT INTO TOMORROW. AS THE LOW
PRESSURE SYSTEMS MOVES TO OUR SOUTH...EXPECT IFR TO MVFR STRATUS TO
MOVE INTO THE HIGHWAY 14 CORRIDOR AND SOUTH CENTRAL SOUTH DAKOTA
AROUND 08Z...IMPACTING KHON. RAIN AND SNOW WILL ALSO MOVE INTO THE
AREA AFTER 08Z...AND INCREASE IN INTENSITY AND PUSH SOUTHEAST THROUGH
18Z. AFTER A GENERALLY BRIEF PERIOD OF RAIN...MOST OF THE PRECIPITATION
IS EXPECTED TO FALL AS SNOW. EXPECT A WIDER AREA OF LIGHT TO MODERATE
SNOW...WITH A POTENTIALLY SMALLER HEAVY BAND. STILL LARGE UNCERTAINTY
ON WHERE THIS SETS UP TOMORROW MORNING. AS OF NOW...THE HIGHEST
CHANCE APPEARS TO BE SOMEWHERE BETWEEN HURON AND SIOUX FALLS
NORTHEAST INTO SOUTHWEST MINNESOTA...ALTHOUGH CONFIDENCE IS LOW. DUE
TO THE LOW CONFIDENCE WILL KEEP KHON WITH IFR VISIBILITIES...AND KFSD
WITH MVFR. HOWEVER LOCATIONS IN THIS HEAVIER BAND COULD VERY WELL SEE
A SEVERAL HOUR PERIOD OF LIFR VISIBILITIES...SO FUTURE SHIFTS WILL
MONITOR MODEL AND RADAR TRENDS AND MAKE ADJUSTMENTS AS NEEDED. THE
MOST PROBABLE TIME FRAME FOR THIS POTENTIALLY HEAVIER SNOW IS BETWEEN
12Z AND 00Z.
&&
.FSD WATCHES/WARNINGS/ADVISORIES...
SD...WINTER WEATHER ADVISORY FROM 4 AM TO 7 PM CDT TUESDAY FOR SDZ038-
050-052-053-057>061-063>065-068.
WINTER STORM WARNING FROM 4 AM TO 7 PM CDT TUESDAY FOR SDZ039-
040-054-055.
WINTER WEATHER ADVISORY FROM 7 AM TUESDAY TO 1 AM CDT WEDNESDAY
FOR SDZ056-062.
MN...WINTER WEATHER ADVISORY FROM 7 AM TUESDAY TO 1 AM CDT WEDNESDAY
FOR MNZ080-081-089-090-097-098.
WINTER STORM WARNING FROM 7 AM TUESDAY TO 1 AM CDT WEDNESDAY FOR
MNZ071-072.
IA...NONE.
NE...NONE.
&&
SHORT TERM...
LONG TERM...JM
AVIATION...CHENARDHazardous weather outlook, Mar 17, 4:50 AM CDT, 11 hours 7 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SIOUX FALLS SD 0450 AM CDT MON MAR 17 2014 SDZ038>040-050-052>071-MNZ071-072-080-081-089-090-097-098- IAZ001>003-012>014-020>022-031-032-NEZ013-014-181200- 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- 0450 AM CDT MON MAR 17 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST SOUTH DAKOTA... SOUTHWEST MINNESOTA...NORTHWEST IOWA...AND NORTHEAST NEBRASKA. .DAY ONE...TODAY AND TONIGHT WINTER WEATHER... RAIN WILL CHANGE TO SNOW LATE FROM THE CENTRAL JAMES VALLEY TOWARD SOUTH CENTRAL SOUTH DAKOTA. ACCUMULATIONS BY 7 AM SHOULD BE MAINLY LESS THAN AN INCH. FIRE DANGER... LOW HUMIDITY...STRONGER SOUTHERLY WINDS...AND DORMANT VEGETATION WILL TAKE THE RANGELAND FIRE DANGER TO THE VERY HIGH CATEGORY THIS AFTERNOON THROUGH THE MISSOURI VALLEY. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY A BAND OF SNOWFALL WILL SPREAD EASTWARD ACROSS THE AREA ON TUESDAY. THE MOST LIKELY AREA FOR HEAVY SNOWFALL WILL OCCUR NORTH OF INTERSTATE 90 AND EAST OF THE JAMES VALLEY...ESPECIALLY FROM MID MORNING THROUGH MID AFTERNOON. 5 TO 8 INCHES OF SNOWFALL WILL BE POSSIBLE FOR LOCATIONS NORTH OF A HOWARD TO WINDOM LINE...WITH AMOUNTS TAPERING OFF SOUTHWARD TO AROUND 2 INCHES ALONG THE MISSOURI RIVER. ANOTHER AREA OF HEAVIER SNOWFALL COULD DEVELOP ACROSS EXTREME NORTHEAST NEBRASKA INTO NORTHWEST IOWA DURING THE AFTERNOON...BUT AT THIS TIME THE LIKELIHOOD OF THIS IS MUCH LESS CERTAIN. WINDS TUESDAY WILL INCREASE FROM THE NORTH AND NORTHWEST TO A GUSTY 25 TO 40 MPH. WHILE BLOWING SNOW SHOULD NOT BE A SIGNIFICANT PROBLEM...THERE IS POTENTIAL FOR SOME VERY HEAVY SNOWFALL RATES...WHICH COULD TAKE VISIBILITY TO A QUARTER MILE OR LESS FOR SHORT PERIODS DURING THE HEAVIER SNOWFALL. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT. && FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT WWW.WEATHER.GOV/SIOUXFALLS. THIS INCLUDES THE GRAPHICAL HAZARDOUS WEATHER OUTLOOK.
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 17, 3:51 AM CDT | Winter Storm Watch | FSD | Brookings, Kingsbury, Lake, Miner, Moody | 12 hr |
| Mar 17, 3:57 PM CDT | Winter Weather Advisory | FSD | Aurora, Beadle, Bon Homme, Brule, Charles Mix, Davison and 9 more | 30 hr |
Nearby
Winter Storm Warnings in South Dakota, 2014Winter Storm Warnings in Minnesota, 2014Every winter storm warning in 2014
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.