Alert archive / South Dakota / Winter Storm Watches in 2014
Winter Storm Watch 2, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this winter storm watch at Apr 1, 2014, 3:54 PM CDT for 6 counties in Iowa; 21 counties in South Dakota; 8 counties in Minnesota. It took effect at Apr 3, 2014, 7:00 AM CDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Apr 1, 2014, 3:54 PM CDT (20:54 UTC)
- In effect from
- Apr 3, 2014, 7:00 AM CDT
- Expired
- Apr 2, 2014, 3:42 PM CDT
- In force
- Issued by
- NWS Sioux Falls, SD
All 35 counties
Clay County, IA, Dickinson County, IA, Lyon County, IA, O'Brien County, IA, Osceola County, IA, Sioux County, IA, Cottonwood County, MN, Jackson County, MN, Lincoln County, MN, Lyon County, MN, Murray County, MN, Nobles County, MN, Pipestone County, MN, Rock County, MN, Aurora County, SD, Beadle County, SD, Bon Homme County, SD, Brookings County, SD, Charles Mix County, SD, Clay County, SD, Davison County, SD, Douglas County, SD, Hanson County, SD, Hutchinson County, SD, Kingsbury County, SD, Lake County, SD, Lincoln County, SD, McCook County, SD, Miner County, SD, Minnehaha County, SD, Moody County, SD, Sanborn County, SD, Turner County, SD, Union County, SD, Yankton County, SD
The radar
The Sioux Falls radar (KFSD), 9 km from the middle of the area, began a volume at 20:59 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, 8.9 hours before the alert went out and 189 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
- 943 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- -122 m²/s²
- 0-3 km storm-relative helicity
- -92 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
940 WWUS43 KFSD 012054 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 354 PM CDT TUE APR 1 2014 IAZ001>003-MNZ071-072-080-081-089-090-097-098-SDZ040-056-062-067- 020500- /O.NEW.KFSD.WS.A.0002.140403T1800Z-140404T1200Z/ LYON-OSCEOLA-DICKINSON-LINCOLN-MURRAY-COTTONWOOD-NOBLES-JACKSON- PIPESTONE-ROCK-BROOKINGS-MOODY-MINNEHAHA- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK... TYLER...HENDRICKS...LAKE BENTON...IVANHOE...MARSHALL...SLAYTON... FULDA...WINDOM...MOUNTAIN LAKE...WORTHINGTON...JACKSON... LAKEFIELD...PIPESTONE...LUVERNE...BROOKINGS...FLANDREAU... SIOUX FALLS...CANTON...LENNOX...TEA...HARRISBURG 354 PM CDT TUE APR 1 2014 ...WINTER STORM WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH FRIDAY MORNING... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER STORM WATCH...WHICH IS IN EFFECT FROM THURSDAY AFTERNOON THROUGH FRIDAY MORNING. * TIMING...RAIN AND SNOW WILL DEVELOP ON WEDNESDAY NIGHT...THEN BECOME ALL SNOW ON THURSDAY MORNING. THE SNOW WILL BE MODERATE TO POTENTIALLY HEAVY AT TIMES THURSDAY AFTERNOON INTO THURSDAY NIGHT. MOST OF THE SNOW SHOULD EXIT THE AREA LATE FRIDAY MORNING. * ACCUMULATIONS...SNOWFALL AMOUNTS OF 4 TO 8 INCHES WILL BE POSSIBLE FROM EXTREME EASTERN SOUTH DAKOTA INTO SOUTHWEST MINNESOTA AND EXTREME NORTHWEST IOWA. * WIND AND VISIBILITY...NORTH TO NORTHWEST WINDS WILL INCREASE TO 20 TO 40 MPH AND COULD REDUCE THE VISIBILITY TO AROUND A QUARTER MILE OR SO AT TIMES. 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. && $$
4 follow-up statements
425 WWUS43 KFSD 020223 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 923 PM CDT TUE APR 1 2014 IAZ001>003-MNZ071-072-080-081-089-090-097-098-SDZ040-056-062-067- 021030- /O.CON.KFSD.WS.A.0002.140403T1800Z-140404T1200Z/ LYON-OSCEOLA-DICKINSON-LINCOLN-MURRAY-COTTONWOOD-NOBLES-JACKSON- PIPESTONE-ROCK-BROOKINGS-MOODY-MINNEHAHA- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK... TYLER...HENDRICKS...LAKE BENTON...IVANHOE...MARSHALL...SLAYTON... FULDA...WINDOM...MOUNTAIN LAKE...WORTHINGTON...JACKSON... LAKEFIELD...PIPESTONE...LUVERNE...BROOKINGS...FLANDREAU... SIOUX FALLS...CANTON...LENNOX...TEA...HARRISBURG 923 PM CDT TUE APR 1 2014 ...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON THROUGH FRIDAY MORNING... * TIMING...RAIN AND SNOW WILL DEVELOP ON WEDNESDAY NIGHT...THEN BECOME ALL SNOW ON THURSDAY MORNING. THE SNOW WILL BE MODERATE TO POTENTIALLY HEAVY AT TIMES THURSDAY AFTERNOON INTO THURSDAY NIGHT. MOST OF THE SNOW SHOULD EXIT THE AREA LATE FRIDAY MORNING. * ACCUMULATIONS...SNOWFALL AMOUNTS OF 4 TO 8 INCHES WILL BE POSSIBLE FROM EXTREME EASTERN SOUTH DAKOTA INTO SOUTHWEST MINNESOTA AND EXTREME NORTHWEST IOWA. * WIND AND VISIBILITY...NORTH TO NORTHWEST WINDS WILL INCREASE TO 20 TO 40 MPH AND COULD REDUCE THE VISIBILITY TO AROUND A QUARTER MILE OR SO AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$
347 WWUS43 KFSD 020854 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 354 AM CDT WED APR 2 2014 IAZ012-SDZ066-070-071-021700- /O.EXB.KFSD.WS.A.0002.140403T1800Z-140404T1800Z/ SIOUX-TURNER-CLAY-UNION- INCLUDING THE CITIES OF...ORANGE CITY...SIOUX CENTER...PARKER... CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR... VERMILLION...NORTH SIOUX CITY...BERESFORD...ELK POINT... ALCESTER...JEFFERSON 354 AM CDT WED APR 2 2014 ...WINTER STORM WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH FRIDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER STORM WATCH...WHICH IS IN EFFECT FROM THURSDAY AFTERNOON THROUGH FRIDAY AFTERNOON. * TIMING...RAIN...OR A RAIN AND SNOW MIX WILL CHANGE TO ALL SNOW THROUGH THURSDAY AFTERNOON AND INTO EARLY THURSDAY EVENING. SNOWFALL WILL THEN LIKELY CONTINUE INTO FRIDAY MORNING. A PERIOD OF MODERATE TO POTENTIALLY HEAVY SNOWFALL IS POSSIBLE LATE THURSDAY AFTERNOON AND EVENING. * ACCUMULATIONS...SNOWFALL AMOUNTS OF 5 TO 8 INCHES WILL BE POSSIBLE. * WIND AND VISIBILITY...NORTH TO NORTHWEST WINDS WILL AVERAGE 25 TO 35 MPH THURSDAY NIGHT AND FRIDAY MORNING. WINDS OF THESE MAGNITUDES COULD CAUSE BLOWING SNOW PROBLEMS...REDUCING VISIBILITIES DOWN TO LESS THAN A HALF MILE. 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. && $$ SDZ038-039-053>055-058>061-063>065-068-069-021700- /O.EXB.KFSD.WS.A.0002.140403T1200Z-140404T1800Z/ BEADLE-KINGSBURY-SANBORN-MINER-LAKE-AURORA-DAVISON-HANSON-MCCOOK- CHARLES MIX-DOUGLAS-HUTCHINSON-BON HOMME-YANKTON- INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON... LAKE PRESTON...WOONSOCKET...HOWARD...MADISON...PLANKINTON... WHITE LAKE...STICKNEY...MITCHELL...ALEXANDRIA...EMERY...SALEM... CANISTOTA...BRIDGEWATER...MONTROSE...WAGNER...PLATTE... LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT...PARKSTON... FREEMAN...MENNO...TRIPP...TYNDALL...SCOTLAND...SPRINGFIELD... AVON...TABOR...YANKTON 354 AM CDT WED APR 2 2014 ...WINTER STORM WATCH IN EFFECT FROM THURSDAY MORNING THROUGH FRIDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER STORM WATCH...WHICH IS IN EFFECT FROM THURSDAY MORNING THROUGH FRIDAY AFTERNOON. * TIMING...RAIN AND SNOW WILL CHANGE TO ALL SNOW THURSDAY MORNING...AND CONTINUE THROUGH THURSDAY NIGHT...DIMINISHING FRIDAY MORNING. A PERIOD OF MODERATE TO POTENTIALLY HEAVY SNOW IS POSSIBLE LATE THURSDAY MORNING AND AFTERNOON. * ACCUMULATIONS...SNOWFALL AMOUNTS OF 5 TO 8 INCHES WILL BE POSSIBLE. * WIND AND VISIBILITY...NORTH TO NORTHWEST WINDS WILL INCREASE TO 25 TO 35 MPH BY THURSDAY AFTERNOON...AND LAST THAT WAY INTO FRIDAY MORNING. WINDS OF THESE MAGNITUDES COULD CAUSE BLOWING SNOW PROBLEMS...REDUCING VISIBILITIES DOWN TO LESS THAN A HALF MILE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ IAZ013-014-021700- /O.EXB.KFSD.WS.A.0002.140404T0000Z-140404T1800Z/ OBRIEN-CLAY- INCLUDING THE CITIES OF...SHELDON...HARTLEY...SANBORN...SPENCER 354 AM CDT WED APR 2 2014 ...WINTER STORM WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER STORM WATCH...WHICH IS IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY AFTERNOON. * TIMING...RAIN WILL CHANGE TO SNOW THURSDAY EVENING...WITH SNOW LIKELY CONTINUING THROUGH FRIDAY MORNING. A PERIOD OF MODERATE TO POTENTIALLY HEAVY SNOWFALL IS POSSIBLE FROM LATE EVENING THURSDAY THROUGH EARLY FRIDAY MORNING. * ACCUMULATIONS...SNOWFALL AMOUNTS OF 5 TO 7 INCHES WILL BE POSSIBLE. * WIND AND VISIBILITY...NORTH TO NORTHWEST WINDS WILL INCREASE THROUGH THE NIGHT THURSDAY NIGHT...AVERAGING 25 TO 40 MPH BY LATE THURSDAY NIGHT AND FRIDAY MORNING. WINDS OF THESE MAGNITUDES COULD CAUSE BLOWING SNOW PROBLEMS...REDUCING VISIBILITIES DOWN TO LESS THAN A HALF MILE. 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. && $$ IAZ001-002-MNZ071-072-080-081-089-090-097-098-SDZ040-056-062-067- 021700- /O.EXT.KFSD.WS.A.0002.140403T1800Z-140404T1800Z/ LYON-OSCEOLA-LINCOLN-MURRAY-COTTONWOOD-NOBLES-JACKSON-PIPESTONE- ROCK-BROOKINGS-MOODY-MINNEHAHA- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...SIBLEY...TYLER...HENDRICKS...LAKE BENTON...IVANHOE... MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE... WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE...LUVERNE... BROOKINGS...FLANDREAU...SIOUX FALLS...CANTON...LENNOX...TEA... HARRISBURG 354 AM CDT WED APR 2 2014 ...WINTER STORM WATCH NOW IN EFFECT FROM THURSDAY AFTERNOON THROUGH FRIDAY AFTERNOON... * TIMING...RAIN...OR A RAIN AND SNOW MIX WILL CHANGE TO ALL SNOW THROUGH THURSDAY AFTERNOON AND INTO EARLY THURSDAY EVENING. SNOWFALL WILL THEN LIKELY CONTINUE INTO FRIDAY MORNING. A PERIOD OF MODERATE TO POTENTIALLY HEAVY SNOWFALL IS POSSIBLE LATE THURSDAY AFTERNOON AND EVENING. * ACCUMULATIONS...SNOWFALL AMOUNTS OF 5 TO 9 INCHES WILL BE POSSIBLE. * WIND AND VISIBILITY...NORTH TO NORTHWEST WINDS WILL AVERAGE 25 TO 35 MPH THURSDAY NIGHT AND FRIDAY MORNING. WINDS OF THESE MAGNITUDES COULD CAUSE BLOWING SNOW PROBLEMS...REDUCING VISIBILITIES DOWN TO LESS THAN A HALF MILE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ IAZ003-021700- /O.EXT.KFSD.WS.A.0002.140404T0000Z-140404T1800Z/ DICKINSON- INCLUDING THE CITIES OF...SPIRIT LAKE...MILFORD...ARNOLDS PARK 354 AM CDT WED APR 2 2014 ...WINTER STORM WATCH NOW IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY AFTERNOON... * TIMING...RAIN WILL CHANGE TO SNOW THURSDAY EVENING...WITH SNOW LIKELY CONTINUING THROUGH FRIDAY MORNING. A PERIOD OF MODERATE TO POTENTIALLY HEAVY SNOWFALL IS POSSIBLE FROM LATE EVENING THURSDAY THROUGH EARLY FRIDAY MORNING. * ACCUMULATIONS...SNOWFALL AMOUNTS OF 5 TO 7 INCHES WILL BE POSSIBLE. * WIND AND VISIBILITY...NORTH TO NORTHWEST WINDS WILL INCREASE THROUGH THE NIGHT THURSDAY NIGHT...AVERAGING 25 TO 40 MPH BY LATE THURSDAY NIGHT AND FRIDAY MORNING. WINDS OF THESE MAGNITUDES COULD CAUSE BLOWING SNOW PROBLEMS...REDUCING VISIBILITIES DOWN TO LESS THAN A HALF MILE. 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. && $$
620 WWUS43 KFSD 021610 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 1110 AM CDT WED APR 2 2014 IAZ001-002-012-MNZ071-072-080-081-089-090-097-098-SDZ040-056-062- 066-067-070-071-030015- /O.CON.KFSD.WS.A.0002.140403T1800Z-140404T1800Z/ LYON-OSCEOLA-SIOUX-LINCOLN-MURRAY-COTTONWOOD-NOBLES-JACKSON- PIPESTONE-ROCK-BROOKINGS-MOODY-MINNEHAHA-TURNER-CLAY-UNION- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...SIBLEY...ORANGE CITY...SIOUX CENTER...TYLER... HENDRICKS...LAKE BENTON...IVANHOE...MARSHALL...SLAYTON...FULDA... WINDOM...MOUNTAIN LAKE...WORTHINGTON...JACKSON...LAKEFIELD... PIPESTONE...LUVERNE...BROOKINGS...FLANDREAU...SIOUX FALLS... PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR... CANTON...LENNOX...TEA...HARRISBURG...VERMILLION... NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON 1110 AM CDT WED APR 2 2014 ...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON THROUGH FRIDAY AFTERNOON... * TIMING...RAIN...OR A RAIN AND SNOW MIX WILL CHANGE TO ALL SNOW THURSDAY AFTERNOON THROUGH EARLY THURSDAY EVENING. SNOWFALL WILL PERSIST INTO FRIDAY MORNING WITH THE HEAVIEST SNOW FALLING ON THURSDAY NIGHT. * ACCUMULATIONS...5 TO 9 INCHES. * WIND AND VISIBILITY...NORTH TO NORTHWEST WINDS WILL AVERAGE 25 TO 35 MPH THURSDAY NIGHT AND FRIDAY MORNING. WINDS OF THESE MAGNITUDES COULD CAUSE BLOWING SNOW PROBLEMS...REDUCING VISIBILITIES DOWN TO LESS THAN A HALF MILE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ SDZ038-039-053>055-058>061-063>065-068-069-030015- /O.CON.KFSD.WS.A.0002.140403T1200Z-140404T1800Z/ BEADLE-KINGSBURY-SANBORN-MINER-LAKE-AURORA-DAVISON-HANSON-MCCOOK- CHARLES MIX-DOUGLAS-HUTCHINSON-BON HOMME-YANKTON- INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON... LAKE PRESTON...WOONSOCKET...HOWARD...MADISON...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...YANKTON 1110 AM CDT WED APR 2 2014 ...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH FRIDAY AFTERNOON... * TIMING...RAIN AND SNOW WILL CHANGE TO ALL SNOW THURSDAY MORNING...CONTINUE THROUGH THURSDAY NIGHT...DIMINISHING FRIDAY MORNING. HEAVY SNOW IS POSSIBLE LATE THURSDAY MORNING AND AFTERNOON. * ACCUMULATIONS...5 TO 8 INCHES. * WIND AND VISIBILITY...NORTH TO NORTHWEST WINDS WILL INCREASE TO 25 TO 35 MPH BY THURSDAY AFTERNOON...AND LAST THAT WAY INTO FRIDAY MORNING. WINDS OF THESE MAGNITUDES COULD CAUSE BLOWING SNOW PROBLEMS...REDUCING VISIBILITIES DOWN TO LESS THAN A HALF MILE. 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. && $$ IAZ003-013-014-030015- /O.CON.KFSD.WS.A.0002.140404T0000Z-140404T1800Z/ DICKINSON-OBRIEN-CLAY- INCLUDING THE CITIES OF...SPIRIT LAKE...MILFORD...ARNOLDS PARK... SHELDON...HARTLEY...SANBORN...SPENCER 1110 AM CDT WED APR 2 2014 ...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY AFTERNOON... * TIMING...RAIN WILL CHANGE TO SNOW THURSDAY EVENING...WITH SNOW CONTINUING THROUGH FRIDAY MORNING. MODERATE TO HEAVY SNOW IS POSSIBLE FROM LATE EVENING THURSDAY THROUGH EARLY FRIDAY MORNING. * ACCUMULATIONS...5 TO 7 INCHES. * WIND AND VISIBILITY...NORTH TO NORTHWEST WINDS WILL INCREASE THROUGH THE NIGHT THURSDAY NIGHT...AVERAGING 25 TO 40 MPH BY LATE THURSDAY NIGHT AND FRIDAY MORNING. WINDS OF THESE MAGNITUDES COULD CAUSE BLOWING SNOW PROBLEMS...REDUCING VISIBILITIES DOWN TO LESS THAN A HALF MILE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$
152 WWUS43 KFSD 022042 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 342 PM CDT WED APR 2 2014 MNZ071-072-097-098-SDZ040-056-062-066-067-030445- /O.UPG.KFSD.WS.A.0002.140403T1800Z-140404T1800Z/ /O.NEW.KFSD.WS.W.0003.140403T1800Z-140404T1200Z/ LINCOLN-LYON-PIPESTONE-ROCK-BROOKINGS-MOODY-MINNEHAHA-TURNER- INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON... IVANHOE...MARSHALL...PIPESTONE...LUVERNE...BROOKINGS... FLANDREAU...SIOUX FALLS...PARKER...CENTERVILLE...MARION... VIBORG...HURLEY...CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG 342 PM CDT WED APR 2 2014 ...WINTER STORM WARNING IN EFFECT FROM 1 PM THURSDAY TO 7 AM CDT FRIDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 1 PM THURSDAY TO 7 AM CDT FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...RAIN AND DRIZZLE WILL BECOME MORE LIKELY THROUGH THURSDAY MORNING...BEFORE QUICKLY TRANSITIONING TO SNOW FROM EARLY TO MID AFTERNOON THURSDAY. THE SNOWFALL WILL BE MODERATE TO HEAVY AT TIMES...ESPECIALLY FROM ABOUT 300 PM THROUGH 1000 PM. SNOWFALL RATES OF AN INCH PER HOUR WILL BE LIKELY WHICH MAY CAUSE A MESSY LATE EVENING COMMUTE HOME THURSDAY EVENING. SNOW AND BLOWING SNOW WILL LINGER THROUGH FRIDAY MORNING. * ACCUMULATIONS...5 TO 10 INCHES WILL BE POSSIBLE WITH THE HEAVIEST AMOUNTS ALONG AND EAST OF INTERSTATE 29. * WIND AND VISIBILITY...NORTH TO NORTHWEST WINDS WILL AVERAGE 25 TO 35 MPH THURSDAY NIGHT AND FRIDAY MORNING. WINDS OF THIS MAGNITUDE COULD CREATE GREATLY REDUCED VISIBILITIES AND DRIFTING OF SNOW...EVEN WITH THE WET NATURE OF THE STORM. 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. && $$ SDZ039-054-055-060-061-065-068-069-030445- /O.UPG.KFSD.WS.A.0002.140403T1200Z-140404T1800Z/ /O.NEW.KFSD.WS.W.0003.140403T1800Z-140404T1200Z/ KINGSBURY-MINER-LAKE-HANSON-MCCOOK-HUTCHINSON-BON HOMME-YANKTON- INCLUDING THE CITIES OF...DE SMET...ARLINGTON...LAKE PRESTON... HOWARD...MADISON...ALEXANDRIA...EMERY...SALEM...CANISTOTA... BRIDGEWATER...MONTROSE...PARKSTON...FREEMAN...MENNO...TRIPP... TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON 342 PM CDT WED APR 2 2014 ...WINTER STORM WARNING IN EFFECT FROM 1 PM THURSDAY TO 7 AM CDT FRIDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 1 PM THURSDAY TO 7 AM CDT FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...RAIN AND DRIZZLE WILL BECOME MORE LIKELY THROUGH THURSDAY MORNING...BEFORE QUICKLY TRANSITIONING TO SNOW EARLY THURSDAY AFTERNOON. THE SNOWFALL WILL BE MODERATE TO HEAVY AT TIMES...ESPECIALLY FROM ABOUT 200 PM THROUGH 800 PM. SNOWFALL RATES OF AN INCH PER HOUR WILL BE LIKELY WHICH MAY CAUSE A MESSY LATE EVENING COMMUTE HOME THURSDAY EVENING. SNOW AND BLOWING SNOW WILL LINGER THROUGH EARLY FRIDAY MORNING. * ACCUMULATIONS...5 TO 8 INCHES OF SNOWFALL WILL BE POSSIBLE BY FRIDAY MORNING. * WIND AND VISIBILITY...NORTH TO NORTHWEST WINDS WILL AVERAGE 25 TO 35 MPH THURSDAY NIGHT AND FRIDAY MORNING. WINDS OF THIS MAGNITUDE COULD CREATE GREATLY REDUCED VISIBILITIES AND DRIFTING OF SNOW...EVEN WITH THE WET NATURE OF THE STORM. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ IAZ001-002-012-MNZ080-081-089-090-030445- /O.UPG.KFSD.WS.A.0002.140403T1800Z-140404T1800Z/ /O.NEW.KFSD.WS.W.0003.140403T2100Z-140404T1200Z/ LYON-OSCEOLA-SIOUX-MURRAY-COTTONWOOD-NOBLES-JACKSON- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...SIBLEY...ORANGE CITY...SIOUX CENTER...SLAYTON... FULDA...WINDOM...MOUNTAIN LAKE...WORTHINGTON...JACKSON... LAKEFIELD 342 PM CDT WED APR 2 2014 ...WINTER STORM WARNING IN EFFECT FROM 4 PM THURSDAY TO 7 AM CDT FRIDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 4 PM THURSDAY TO 7 AM CDT FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...RAIN AND DRIZZLE WILL BECOME MORE LIKELY THROUGH THURSDAY MORNING...BEFORE QUICKLY TRANSITIONING TO SNOW MID AFTERNOON THURSDAY. THE SNOWFALL WILL BE MODERATE TO HEAVY AT TIMES...ESPECIALLY FROM ABOUT 500 PM THROUGH 1200 AM. SNOWFALL RATES OF AN INCH PER HOUR WILL BE LIKELY WHICH MAY CAUSE A MESSY LATE EVENING COMMUTE HOME THURSDAY EVENING. SNOW AND BLOWING SNOW WILL LINGER THROUGH FRIDAY MORNING. * ACCUMULATIONS...6 TO 10 INCHES WILL BE POSSIBLE WITH THE HEAVIEST AMOUNTS ALONG AND EAST OF INTERSTATE 29. * WIND AND VISIBILITY...NORTH TO NORTHWEST WINDS WILL AVERAGE 25 TO 35 MPH THURSDAY NIGHT AND FRIDAY MORNING. WINDS OF THIS MAGNITUDE COULD CREATE GREATLY REDUCED VISIBILITIES AND DRIFTING OF SNOW...EVEN WITH THE WET NATURE OF THE STORM. 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. && $$ SDZ038-053-058-059-063-064-030445- /O.UPG.KFSD.WS.A.0002.140403T1200Z-140404T1800Z/ /O.NEW.KFSD.WW.Y.0017.140403T1500Z-140404T1200Z/ BEADLE-SANBORN-AURORA-DAVISON-CHARLES MIX-DOUGLAS- INCLUDING THE CITIES OF...HURON...WOONSOCKET...PLANKINTON... WHITE LAKE...STICKNEY...MITCHELL...WAGNER...PLATTE...LAKE ANDES... MARTY...ARMOUR...CORSICA...DELMONT 342 PM CDT WED APR 2 2014 ...WINTER WEATHER ADVISORY IN EFFECT FROM 10 AM THURSDAY TO 7 AM CDT FRIDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 10 AM THURSDAY TO 7 AM CDT FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...THE THREAT FOR SNOW WILL INCREASE QUICKLY THURSDAY MORNING WITH MODERATE SNOW LIKELY INTO THE AFTERNOON AND EVENING. WHILE THE HEAVIEST SNOW BAND WILL LIKELY BE EAST OF THE JAMES RIVER VALLEY A PERIOD OR TWO OF BRIEF HEAVY SNOWFALL WILL BE POSSIBLE. * ACCUMULATIONS...3 TO 5 INCHES. * WIND AND VISIBILITY...NORTH TO NORTHWEST WINDS WILL INCREASE TO 20 TO 30 MPH BY THURSDAY AFTERNOON...AND LAST THAT WAY INTO FRIDAY MORNING. WINDS OF THESE MAGNITUDES COULD CAUSE BLOWING SNOW PROBLEMS...REDUCING VISIBILITIES TO AROUND A HALF MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ SDZ070-071-030445- /O.UPG.KFSD.WS.A.0002.140403T1800Z-140404T1800Z/ /O.NEW.KFSD.WW.Y.0017.140403T2100Z-140404T1200Z/ CLAY-UNION- INCLUDING THE CITIES OF...VERMILLION...NORTH SIOUX CITY... BERESFORD...ELK POINT...ALCESTER...JEFFERSON 342 PM CDT WED APR 2 2014 ...WINTER WEATHER ADVISORY IN EFFECT FROM 4 PM THURSDAY TO 7 AM CDT FRIDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 4 PM THURSDAY TO 7 AM CDT FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...RAIN AND SNOW ON THURSDAY MORNING WILL GRADUALLY BECOME ALL SNOW LATE THURSDAY AFTERNOON. PERIODS OF MODERATE TO BRIEFLY HEAVY SNOW WILL BE LIKELY DURING THE LATE AFTERNOON AND EVENING HOURS OF THURSDAY. * ACCUMULATIONS...3 TO 5 INCHES. * WIND AND VISIBILITY...NORTH TO NORTHWEST WINDS WILL INCREASE TO 20 TO 30 MPH BY THURSDAY AFTERNOON...AND LAST THAT WAY INTO FRIDAY MORNING. WINDS OF THESE MAGNITUDES COULD CAUSE BLOWING SNOW PROBLEMS...REDUCING VISIBILITIES TO AROUND A HALF 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. && $$ IAZ003-013-014-030445- /O.UPG.KFSD.WS.A.0002.140404T0000Z-140404T1800Z/ /O.NEW.KFSD.WW.Y.0017.140404T0000Z-140404T1200Z/ DICKINSON-OBRIEN-CLAY- INCLUDING THE CITIES OF...SPIRIT LAKE...MILFORD...ARNOLDS PARK... SHELDON...HARTLEY...SANBORN...SPENCER 342 PM CDT WED APR 2 2014 ...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM THURSDAY TO 7 AM CDT FRIDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 7 PM THURSDAY TO 7 AM CDT FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...A CHANCE FOR RAIN OR SLEET ON THURSDAY MORNING WILL BECOME MAINLY A CHANCE FOR RAIN THROUGH THE DAY. BY THURSDAY EVENING ANY RAIN WILL QUICKLY CHANGE TO SNOW...WHICH WILL LINGER THROUGH FRIDAY MORNING. PERIODS OF MODERATE TO BRIEFLY HEAVY SNOW WILL BE LIKELY DURING THE EVENING AND OVERNIGHT HOURS OF THURSDAY INTO FRIDAY MORNING. * ACCUMULATIONS...3 TO 6 INCHES. * WIND AND VISIBILITY...NORTH TO NORTHWEST WINDS WILL INCREASE TO 20 TO 30 MPH BY THURSDAY AFTERNOON...AND LAST THAT WAY INTO FRIDAY MORNING. WINDS OF THESE MAGNITUDES COULD CAUSE BLOWING SNOW PROBLEMS...REDUCING VISIBILITIES TO AROUND A HALF MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. && $$ SDZ052-030445- /O.NEW.KFSD.WW.Y.0017.140403T1500Z-140404T1200Z/ JERAULD- INCLUDING THE CITIES OF...WESSINGTON SPRINGS...ALPENA 342 PM CDT WED APR 2 2014 ...WINTER WEATHER ADVISORY IN EFFECT FROM 10 AM THURSDAY TO 7 AM CDT FRIDAY... * TIMING...THE THREAT FOR SNOW WILL INCREASE QUICKLY THURSDAY MORNING WITH MODERATE SNOW LIKELY INTO THE AFTERNOON AND EVENING. WHILE THE HEAVIEST SNOW BAND WILL LIKELY BE EAST OF THE JAMES RIVER VALLEY A PERIOD OR TWO OF BRIEF HEAVY SNOWFALL WILL BE POSSIBLE. * ACCUMULATIONS...2 TO 4 INCHES. * WIND AND VISIBILITY...NORTH TO NORTHWEST WINDS WILL INCREASE TO 20 TO 30 MPH BY THURSDAY AFTERNOON...AND LAST THAT WAY INTO FRIDAY MORNING. WINDS OF THESE MAGNITUDES COULD CAUSE BLOWING SNOW PROBLEMS...REDUCING VISIBILITIES TO AROUND A HALF 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. && $$ IAZ020-NEZ013-014-030445- /O.NEW.KFSD.WW.Y.0017.140403T2100Z-140404T1200Z/ PLYMOUTH-DIXON-DAKOTA- INCLUDING THE CITIES OF...LE MARS...WAKEFIELD...PONCA...ALLEN... SOUTH SIOUX CITY 342 PM CDT WED APR 2 2014 ...WINTER WEATHER ADVISORY IN EFFECT FROM 4 PM THURSDAY TO 7 AM CDT FRIDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 4 PM THURSDAY TO 7 AM CDT FRIDAY. * TIMING...A CHANCE FOR RAIN OR SLEET ON THURSDAY MORNING WILL BECOME MAINLY A CHANCE FOR RAIN THROUGH THE DAY. BY THURSDAY EVENING ANY RAIN WILL QUICKLY CHANGE TO SNOW...WHICH WILL LINGER THROUGH FRIDAY MORNING. PERIODS OF MODERATE TO BRIEFLY HEAVY SNOW WILL BE LIKELY DURING THE EVENING AND OVERNIGHT HOURS OF THURSDAY INTO FRIDAY MORNING. * ACCUMULATIONS...3 TO 6 INCHES. * WIND AND VISIBILITY...NORTH TO NORTHWEST WINDS WILL INCREASE TO 20 TO 30 MPH BY THURSDAY AFTERNOON...AND LAST THAT WAY INTO FRIDAY MORNING. WINDS OF THESE MAGNITUDES COULD CAUSE BLOWING SNOW PROBLEMS...REDUCING VISIBILITIES TO AROUND A HALF MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. && $$ IAZ021-022-031-032-030445- /O.NEW.KFSD.WW.Y.0017.140404T0000Z-140404T1200Z/ CHEROKEE-BUENA VISTA-WOODBURY-IDA- INCLUDING THE CITIES OF...CHEROKEE...STORM LAKE...SIOUX CITY... IDA GROVE...HOLSTEIN...BATTLE CREEK 342 PM CDT WED APR 2 2014 ...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM THURSDAY TO 7 AM CDT FRIDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 7 PM THURSDAY TO 7 AM CDT FRIDAY. * TIMING...A CHANCE FOR RAIN OR SLEET ON THURSDAY MORNING WILL BECOME MAINLY A CHANCE FOR RAIN THROUGH THE DAY. BY THURSDAY EVENING ANY RAIN WILL QUICKLY CHANGE TO SNOW...WHICH WILL LINGER THROUGH FRIDAY MORNING. PERIODS OF MODERATE TO BRIEFLY HEAVY SNOW WILL BE LIKELY DURING THE EVENING AND OVERNIGHT HOURS OF THURSDAY INTO FRIDAY MORNING. * ACCUMULATIONS...2 TO 5 INCHES. * WIND AND VISIBILITY...NORTH TO NORTHWEST WINDS WILL INCREASE TO 20 TO 30 MPH BY THURSDAY AFTERNOON...AND LAST THAT WAY INTO FRIDAY MORNING. WINDS OF THESE MAGNITUDES COULD CAUSE BLOWING SNOW PROBLEMS...REDUCING VISIBILITIES TO AROUND A HALF 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 watch 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 watch went out at Apr 1, 12:41 PM CDT, 3 hours 13 minutes earlier.
Area forecast discussion, Apr 1, 12:41 PM CDT, 3 hours 13 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SIOUX FALLS SD 1241 PM CDT TUE APR 1 2014 .SHORT TERM...(TODAY AND TONIGHT) ISSUED AT 405 AM CDT TUE APR 1 2014 CURRENTLY...OUR STRONG LOW PRESSURE SYSTEM IS WELL OFF TO THE NORTHEAST. LINGERING BRISK NORTHWEST WINDS WILL BE FOUND ACROSS MANY OF OUR EASTERN ZONES THROUGH ABOUT MIDDAY...WITH LIGHTER WINDS HEADING WESTWARD FROM I 29. THEN BY THIS AFTERNOON...COOL HIGH PRESSURE IS MORE IN CONTROL WITH THE LIMITING STREAMLINES FROM THE SURFACE LOW PRESSURE FINALLY EAST OF OUR EASTERN ZONES. CURRENT THOUGHTS ON HEADLINES IS THAT THEY WILL LIKELY BE ABLE TO EXPIRE AT 12Z. IT IS BECOMING MARGINAL WHETHER TO HANG ONTO THE WINTER WEATHER ADVISORY IN OUR FAR NORTHEAST. HOWEVER CURRENT OBSERVATIONS STILL SHOW PLENTY OF REDUCED VISIBILITIES IN THOSE AREAS...SO IT IS HARD TO LET IT GO AND CHANGE IT TO A WIND ADVISORY. THAT SAID...THE RADAR ECHOES ARE CURRENTLY GONE FROM OUR FORECAST AREA...SO THE REDUCED VISIBILITIES ARE DUE TO BLOWING SNOW OR LITERALLY BLOWING ICE CRYSTALS LIKE WE HAVE HERE AT FSD. CONCERNING PRECIP CHANCES TODAY AND TONIGHT...KEPT SOME LIGHT SNOW MENTIONED IN OUR FAR SOUTHWEST CORNER...WHERE AN UPSLOPE FLOW PERSISTS AND MOISTURE IN THE 850-500MB LAYER INCREASES THROUGH TIME. THERE IS A CHANCE THOUGH THAT THE LIGHT SNOW MAY STAY JUST WEST OR SOUTH OF OUR FORECAST AREA...THEREFORE ONLY SLIGHT CHANCE OR CHANCE POPS ARE WARRANTED. IT GOES WITHOUT MENTIONING THAT TODAYS HIGHS WILL BE WELL BELOW NORMAL. BUT A LOT OF MID AND HIGH LEVEL CLOUDINESS SHOULD HELP TO KEEP OUR LOWS MODERATED FOR TONIGHT...WITH READINGS STAYING IN THE 20S. .LONG TERM...(WEDNESDAY THROUGH MONDAY) ISSUED AT 405 AM CDT TUE APR 1 2014 MAIN WEATHER FACTOR FOR WEDNESDAY AND WEDNESDAY NIGHT IS COPIOUS MOISTURE INCREASE OVER THE SOUTHERN PLAINS BEGINNING TO STREAM NORTH INTO OUR FORECAST AREA AHEAD OF POTENTIALLY MAJOR THURSDAY/THURSDAY NIGHT SYSTEM. WEAK SHORT WAVES IN WSWRLY UPPER FLOW AHEAD OF THE BIG SYSTEM WILL PROVIDE SOME LIFT OVER AN INCREASINGLY FAVORABLE THERMAL RIBBON DEVELOPING FROM THE SOUTH. IN A MARGINAL TEMPERATURE ENVIRONMENT...THIS MOSTLY LIGHT PRECIPITATION WILL BE HARD TO PRODUCE MUCH SNOW. EXPECT ACCUMULATIONS TO BE AN INCH OR LESS...MAINLY NORTHWEST HALF OF THE AREA...AND MAINLY WEDNESDAY NIGHT. PLENTY OF UNCERTAINTY IN THE TIMING AND POPS WILL REACH ONLY INTO THE HIGH CHANCE TO MARGINAL LIKELY RANGE WEDNESDAY NIGHT FOR NOW. THIS POSSIBLE MAJOR SYSTEM IS CURRENTLY TIMED SLIGHTLY LATER THAN BEFORE...OVER THE THURSDAY AND THURSDAY NIGHT TIME FRAME...THEN WINDING DOWN FRIDAY. WE CONTINUE TO LEAN HEAVILY TO THE STRONGER AND SLOWER EC SOLUTION. THE NAM HAD BEEN TOTALLY THROWN OUT...EVEN THOUGH THE NH GEM TONIGHT IS NOT TOO FAR AWAY FROM THE NAM. THE GFS IS MORE TOWARD THE EC THOUGH NOT AS STRONG AND DEEP. ASIDE FROM RECENT MODEL PERFORMANCE...THE PRESENCE OF DEEP MOISTURE AND WARM UNSTABLE AIR STREAMING INTO THE SYSTEM SHOULD PROMOTE GREATER RIDGING AHEAD OF THE SYSTEM AND STRONGER DIGGING...AN IDEA THAT FITS A LOT BETTER FOR THIS EARLY SPRING SYSTEM THAN IN THE MIDDLE OF WINTER. THE GREATEST UNCERTAINTY IN THIS MARGINAL TEMPERATURE ENVIRONMENT IS SNOW VERSUS RAIN. WHILE CURRENTLY FORECAST SNOWFALL AMOUNTS ARE NECESSARILY CONSERVATIVE AND BELOW HEAVY SNOW RANGE... THE POTENTIAL FOR HEAVY SNOW IN A SYSTEM WITH A LOT OF DYNAMIC AND EVAPORATIVE COOLING POTENTIAL WITH THE HEAVIER PRECIPITATION MUST BE ACKNOWLEDGED. NO WATCH THIS FAR AHEAD GIVEN THE UNCERTAINTIES BUT THE POTENTIAL WILL BE EXPRESSED IN THE HAZARDOUS WEATHER OUTLOOK. AFTER THE SYSTEM WINDS DOWN FRIDAY...THE WEEKEND STILL LOOK MAINLY DRY WITH A MODEST WARMING TREND. WILL GO WITH THE EXTENDED GUIDANCE ON MENTIONING A SMALL CHANCE OF LIGHT RAIN FOR SUNDAY AND MONDAY IN A RELATIVELY WEAK UPPER FLOW REGIME WITH THE POTENTIAL RESTING ON WEAK IMPULSES WITH VERY UNCERTAIN TIMING. CERTAINLY NO MAJOR SYSTEM EXPECTED. && .AVIATION...(FOR THE 18Z TAFS THROUGH 18Z WEDNESDAY AFTERNOON) ISSUED AT 1241 CDT TUE APR 1 2014 VFR THROUGH THE PERIOD. WIND WILL SUBSIDE AROUND SUNSET AND STAY AOB 10 KTS THRU THE NIGHT. && .FSD WATCHES/WARNINGS/ADVISORIES... SD...NONE. MN...NONE. IA...NONE. NE...NONE. && SHORT TERM...MJ LONG TERM... AVIATION...SALLY
Hazardous weather outlook, Apr 1, 10:11 AM CDT, 5 hours 43 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SIOUX FALLS SD 1011 AM CDT TUE APR 01 2014 SDZ038>040-050-052>071-MNZ071-072-080-081-089-090-097-098- IAZ001>003-012>014-020>022-031-032-NEZ013-014-021200- 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- 1011 AM CDT TUE APR 01 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST SOUTH DAKOTA... SOUTHWEST MINNESOTA...NORTHWEST IOWA...AND NORTHEAST NEBRASKA. .DAY ONE...TODAY AND TONIGHT WIND... NORTHWEST WIND WILL STEADILY DECREASE THROUGH THE DAY. BY 6 PM WIND WILL BE 10 MPH OR LESS. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY ANOTHER WINTER STORM WILL IMPACT THE AREA ON WEDNESDAY NIGHT INTO THURSDAY. ACCUMULATING SNOW IS POSSIBLE BY THURSDAY NIGHT ALONG WITH AREAS OF BLOWING SNOW. .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.
Nearby
Winter Storm Watches in South Dakota, 2014Winter Storm Watches in Minnesota, 2014Winter Storm Watches in Iowa, 2014Every winter storm watch 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.