Alert archive / South Dakota / Blizzard Watches in 2008
Blizzard Watch 2, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this blizzard watch at Dec 12, 2008, 3:25 AM CST for 4 counties in Minnesota; 16 counties in South Dakota. It took effect at Dec 13, 2008, 4:25 AM CST. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Dec 12, 2008, 3:25 AM CST (09:25 UTC)
- In effect from
- Dec 13, 2008, 4:25 AM CST
- Expired
- Dec 13, 2008, 4:01 PM CST
- In force
- 12 hr
- Issued by
- NWS Sioux Falls, SD
Counties Lincoln County, MN, Lyon County, MN, Murray County, MN, Pipestone County, MN, Aurora County, SD, Beadle County, SD, Brookings County, SD, Brule County, SD, Charles Mix County, SD, Davison County, SD, Douglas County, SD, Gregory County, SD, Hanson County, SD, Jerauld County, SD, Kingsbury County, SD, Lake County, SD, McCook County, SD, Miner County, SD, Moody County, SD, Sanborn County, SD
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 9.4 hours before the alert went out and 126 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
- 585 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 55 m²/s²
- 0-3 km storm-relative helicity
- 102 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS43 KFSD 120925 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 325 AM CST FRI DEC 12 2008 .LOW PRESSURE WILL DROP SOUTHEAST INTO THE CENTRAL PLAINS EARLY SUNDAY...WITH SHARPLY COLDER AIR AND VERY STRONG NORTHERLY WINDS EXPECTED OVER PARTS OF THE AREA BEHIND THE LOW PRESSURE. LOCATIONS FROM SOUTH CENTRAL INTO EAST CENTRAL SOUTH DAKOTA...GENERALLY WEST AND NORTH OF A LINE FROM LAKE ANDES...TO MITCHELL TO BROOKINGS... COULD SEE BLIZZARD CONDITIONS DEVELOP SUNDAY INTO SUNDAY EVENING. SDZ038>040-050-052>054-057>059-063-064-121730- /O.NEW.KFSD.BZ.A.0002.081214T1200Z-081215T0600Z/ BEADLE-KINGSBURY-BROOKINGS-GREGORY-JERAULD-SANBORN-MINER-BRULE- AURORA-DAVISON-CHARLES MIX-DOUGLAS- INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON... LAKE PRESTON...BROOKINGS...GREGORY...BURKE...WESSINGTON SPRINGS... ALPENA...WOONSOCKET...HOWARD...CHAMBERLAIN...KIMBALL... PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...WAGNER...PLATTE... LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT 325 AM CST FRI DEC 12 2008 ...BLIZZARD WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A BLIZZARD WATCH...WHICH IS IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING. STRONG NORTHERLY WINDS OF 30 TO 40 MPH ARE LIKELY SUNDAY INTO SUNDAY EVENING. SNOW WILL MOVE INTO THE AREA SUNDAY MORNING...AND ALTHOUGH SNOWFALL AMOUNTS ARE NOT EXPECTED TO BE HEAVY...THE STRONG WINDS AND SNOW COULD PRODUCE BLIZZARD CONDITIONS WITH VERY LOW VISIBILITY. A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES. THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY DANGEROUS. $$ JH
6 follow-up statements
000 WWUS43 KFSD 121723 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 1123 AM CST FRI DEC 12 2008 .LOW PRESSURE WILL DROP SOUTHEAST INTO THE CENTRAL PLAINS EARLY SUNDAY...WITH SHARPLY COLDER AIR AND VERY STRONG NORTHERLY WINDS EXPECTED OVER PARTS OF THE AREA BEHIND THE LOW PRESSURE. LOCATIONS FROM SOUTH CENTRAL INTO EAST CENTRAL SOUTH DAKOTA... GENERALLY WEST AND NORTH OF A LINE FROM LAKE ANDES...TO MITCHELL TO BROOKINGS... COULD SEE BLIZZARD CONDITIONS DEVELOP SUNDAY INTO SUNDAY EVENING. SDZ038>040-050-052>054-057>059-063-064-130130- /O.CON.KFSD.BZ.A.0002.081214T1200Z-081215T0600Z/ BEADLE-KINGSBURY-BROOKINGS-GREGORY-JERAULD-SANBORN-MINER-BRULE- AURORA-DAVISON-CHARLES MIX-DOUGLAS- INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON... LAKE PRESTON...BROOKINGS...GREGORY...BURKE...WESSINGTON SPRINGS... ALPENA...WOONSOCKET...HOWARD...CHAMBERLAIN...KIMBALL... PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...WAGNER...PLATTE... LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT 1123 AM CST FRI DEC 12 2008 ...BLIZZARD WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING... A BLIZZARD WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING. STRONG NORTHERLY WINDS OF 30 TO 40 MPH ARE LIKELY SUNDAY INTO SUNDAY EVENING. SNOW WILL MOVE INTO THE AREA SUNDAY MORNING...AND ALTHOUGH SNOWFALL AMOUNTS ARE NOT EXPECTED TO BE HEAVY...THE STRONG WINDS AND SNOW COULD PRODUCE BLIZZARD CONDITIONS WITH VERY LOW VISIBILITY. A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES. THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY DANGEROUS. $$ WILLIAMS
000 WWUS43 KFSD 122120 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 320 PM CST FRI DEC 12 2008 .LOW PRESSURE WILL DROP SOUTHEAST INTO THE CENTRAL PLAINS LATE SATURDAY NIGHT INTO SUNDAY...WITH SHARPLY COLDER AIR AND VERY STRONG NORTHERLY WINDS EXPECTED OVER PARTS OF THE AREA BEHIND THE LOW PRESSURE. LOCATIONS FROM SOUTH CENTRAL INTO EAST CENTRAL SOUTH DAKOTA... GENERALLY WEST AND NORTH OF A LINE FROM LAKE ANDES...TO MITCHELL TO BROOKINGS... COULD SEE BLIZZARD CONDITIONS DEVELOP SUNDAY INTO SUNDAY EVENING. SDZ038>040-050-052>054-057>059-063-064-130530- /O.CON.KFSD.BZ.A.0002.081214T1200Z-081215T0600Z/ BEADLE-KINGSBURY-BROOKINGS-GREGORY-JERAULD-SANBORN-MINER-BRULE- AURORA-DAVISON-CHARLES MIX-DOUGLAS- INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON... LAKE PRESTON...BROOKINGS...GREGORY...BURKE...WESSINGTON SPRINGS... ALPENA...WOONSOCKET...HOWARD...CHAMBERLAIN...KIMBALL... PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...WAGNER...PLATTE... LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT 320 PM CST FRI DEC 12 2008 ...BLIZZARD WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING... A BLIZZARD WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING. STRONG NORTHERLY WINDS OF 30 TO 40 MPH ARE LIKELY LATE SATURDAY NIGHT INTO SUNDAY EVENING. SNOW WILL MOVE INTO THE AREA LATE SATURDAY NIGHT AND CONTINUE DURING THE DAY ON SUNDAY. SNOWFALL AMOUNTS OF 2 TO 5 INCHES ARE EXPECTED IN THE WATCH AREA...AND THIS COMBINED WITH THE STRONG WINDS COULD PRODUCE BLIZZARD CONDITIONS WITH VERY LOW VISIBILITY. WIND CHILLS WILL ALSO DROP TO 15 BELOW TO 25 BELOW ON SUNDAY AS ACTUAL TEMPERATURES FALL TO NEAR ZERO BY LATE SUNDAY AFTERNOON. A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES. THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY DANGEROUS. $$
000 WWUS43 KFSD 130230 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 830 PM CST FRI DEC 12 2008 .LOW PRESSURE WILL DROP SOUTHEAST INTO THE CENTRAL PLAINS LATE SATURDAY NIGHT INTO SUNDAY...WITH SHARPLY COLDER AIR AND VERY STRONG NORTHERLY WINDS EXPECTED OVER PARTS OF THE AREA BEHIND THE LOW PRESSURE. LOCATIONS FROM SOUTH CENTRAL INTO EAST CENTRAL SOUTH DAKOTA... GENERALLY WEST AND NORTH OF A LINE FROM LAKE ANDES...TO MITCHELL TO BROOKINGS... COULD SEE BLIZZARD CONDITIONS DEVELOP SUNDAY INTO SUNDAY EVENING. SDZ038>040-050-052>054-057>059-063-064-131030- /O.CON.KFSD.BZ.A.0002.081214T1200Z-081215T0600Z/ BEADLE-KINGSBURY-BROOKINGS-GREGORY-JERAULD-SANBORN-MINER-BRULE- AURORA-DAVISON-CHARLES MIX-DOUGLAS- INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON... LAKE PRESTON...BROOKINGS...GREGORY...BURKE...WESSINGTON SPRINGS... ALPENA...WOONSOCKET...HOWARD...CHAMBERLAIN...KIMBALL... PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...WAGNER...PLATTE... LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT 830 PM CST FRI DEC 12 2008 ...BLIZZARD WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING... A BLIZZARD WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING. STRONG NORTHERLY WINDS OF 30 TO 40 MPH ARE LIKELY LATE SATURDAY NIGHT INTO SUNDAY EVENING. SNOW WILL MOVE INTO THE AREA LATE SATURDAY NIGHT AND CONTINUE DURING THE DAY ON SUNDAY. SNOWFALL AMOUNTS OF 2 TO 5 INCHES ARE EXPECTED IN THE WATCH AREA...AND THIS COMBINED WITH THE STRONG WINDS COULD PRODUCE BLIZZARD CONDITIONS WITH VERY LOW VISIBILITY. WIND CHILLS WILL ALSO DROP TO 15 BELOW TO 25 BELOW ON SUNDAY AS ACTUAL TEMPERATURES FALL TO NEAR ZERO BY LATE SUNDAY AFTERNOON. A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES. THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY DANGEROUS. $$
000 WWUS43 KFSD 131025 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 425 AM CST SAT DEC 13 2008 .LOW PRESSURE WILL DROP SOUTHEAST INTO THE CENTRAL PLAINS LATE TONIGHT INTO SUNDAY...WITH SHARPLY COLDER AIR AND VERY STRONG NORTHERLY WINDS EXPECTED OVER PARTS OF THE AREA BEHIND THE LOW PRESSURE. LOCATIONS FROM SOUTH CENTRAL INTO EAST CENTRAL SOUTH DAKOTA... GENERALLY WEST AND NORTH OF A LINE FROM LAKE ANDES...TO MADISON...TO SLAYTON MINNESOTA...COULD SEE BLIZZARD CONDITIONS DEVELOP SUNDAY INTO SUNDAY EVENING. MNZ071-072-080-097-SDZ055-056-060-061-131830- /O.EXA.KFSD.BZ.A.0002.081214T1200Z-081215T0600Z/ LINCOLN-LYON-MURRAY-PIPESTONE-LAKE-MOODY-HANSON-MCCOOK- INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON... IVANHOE...MARSHALL...SLAYTON...FULDA...PIPESTONE...MADISON... FLANDREAU...ALEXANDRIA...EMERY...SALEM...CANISTOTA... BRIDGEWATER...MONTROSE 425 AM CST SAT DEC 13 2008 ...BLIZZARD WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A BLIZZARD WATCH...WHICH IS IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING. STRONG NORTHERLY WINDS OF 30 TO 40 MPH ARE LIKELY LATE TONIGHT INTO SUNDAY EVENING. SNOW WILL MOVE INTO THE AREA LATE TONIGHT AND CONTINUE DURING THE DAY ON SUNDAY. SNOWFALL AMOUNTS OF 2 TO 4 INCHES ARE EXPECTED IN THE WATCH AREA...AND THIS COMBINED WITH THE STRONG WINDS COULD PRODUCE BLIZZARD CONDITIONS WITH VERY LOW VISIBILITY. WIND CHILLS WILL ALSO DROP TO 15 BELOW TO 25 BELOW ON SUNDAY AS ACTUAL TEMPERATURES FALL TO NEAR ZERO BY LATE SUNDAY AFTERNOON. A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES. THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY DANGEROUS. $$ SDZ038>040-050-052>054-057>059-063-064-131830- /O.CON.KFSD.BZ.A.0002.081214T1200Z-081215T0600Z/ BEADLE-KINGSBURY-BROOKINGS-GREGORY-JERAULD-SANBORN-MINER-BRULE- AURORA-DAVISON-CHARLES MIX-DOUGLAS- INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON... LAKE PRESTON...BROOKINGS...GREGORY...BURKE...WESSINGTON SPRINGS... ALPENA...WOONSOCKET...HOWARD...CHAMBERLAIN...KIMBALL... PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...WAGNER...PLATTE... LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT 425 AM CST SAT DEC 13 2008 ...BLIZZARD WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING... A BLIZZARD WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING. STRONG NORTHERLY WINDS OF 30 TO 40 MPH ARE LIKELY LATE TONIGHT INTO SUNDAY EVENING. SNOW WILL MOVE INTO THE AREA LATE TONIGHT AND CONTINUE DURING THE DAY ON SUNDAY. SNOWFALL AMOUNTS OF 2 TO 4 INCHES ARE EXPECTED IN THE WATCH AREA...AND THIS COMBINED WITH THE STRONG WINDS COULD PRODUCE BLIZZARD CONDITIONS WITH VERY LOW VISIBILITY. WIND CHILLS WILL ALSO DROP TO 15 BELOW TO 25 BELOW ON SUNDAY AS ACTUAL TEMPERATURES FALL TO NEAR ZERO BY LATE SUNDAY AFTERNOON. A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES. THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY DANGEROUS. $$
000 WWUS43 KFSD 131633 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 1033 AM CST SAT DEC 13 2008 .LOW PRESSURE WILL DROP SOUTHEAST INTO THE CENTRAL PLAINS LATE TONIGHT INTO SUNDAY...WITH SHARPLY COLDER AIR AND VERY STRONG NORTHERLY WINDS EXPECTED OVER PARTS OF THE AREA BEHIND THE LOW PRESSURE. THE TREND HAS BEEN FOR THE SYSTEM TO SPREAD IN JUST A BIT FASTER INTO SOUTH CENTRAL TO EAST CENTRAL SOUTH DAKOTA... AND THE START TIME FOR THE WATCH HAS BEEN MOVED FORWARD SEVERAL HOURS TO ACCOUNT FOR THE THREAT OF RAPIDLY DETERIORATING CONDITIONS. LOCATIONS FROM SOUTH CENTRAL INTO EAST CENTRAL SOUTH DAKOTA... GENERALLY WEST AND NORTH OF A LINE FROM LAKE ANDES...TO MADISON...TO SLAYTON MINNESOTA...COULD SEE LIFE THREATENING BLIZZARD CONDITIONS DEVELOP FROM LATE SATURDAY NIGHT THROUGH SUNDAY EVENING. SDZ038>040-050-052>061-063-064-140045- /O.EXT.KFSD.BZ.A.0002.081214T0900Z-081215T0600Z/ BEADLE-KINGSBURY-BROOKINGS-GREGORY-JERAULD-SANBORN-MINER-LAKE- MOODY-BRULE-AURORA-DAVISON-HANSON-MCCOOK-CHARLES MIX-DOUGLAS- INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON... LAKE PRESTON...BROOKINGS...GREGORY...BURKE...WESSINGTON SPRINGS... ALPENA...WOONSOCKET...HOWARD...MADISON...FLANDREAU... CHAMBERLAIN...KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY... MITCHELL...ALEXANDRIA...EMERY...SALEM...CANISTOTA...BRIDGEWATER... MONTROSE...WAGNER...PLATTE...LAKE ANDES...MARTY...ARMOUR... CORSICA...DELMONT 1033 AM CST SAT DEC 13 2008 ...BLIZZARD WATCH NOW IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY EVENING... THE BLIZZARD WATCH IS NOW IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY EVENING. STRONG NORTHERLY WINDS OF 30 TO 40 MPH ARE LIKELY LATE TONIGHT INTO SUNDAY EVENING. SNOW WILL MOVE INTO THE AREA LATE TONIGHT AND CONTINUE DURING THE DAY ON SUNDAY. SNOWFALL AMOUNTS OF 2 TO 4 INCHES ARE EXPECTED IN THE WATCH AREA...AND THIS COMBINED WITH THE STRONG WINDS COULD PRODUCE BLIZZARD CONDITIONS WITH VERY LOW VISIBILITY...AND NEAR WHITEOUT CONDITIONS AT TIMES OF FALLING SNOW. WIND CHILLS WILL ALSO DROP TO 15 BELOW TO 25 BELOW ON SUNDAY AS ACTUAL TEMPERATURES FALL TO NEAR ZERO BY LATE SUNDAY AFTERNOON. A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES. THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY DANGEROUS. $$ MNZ071-072-080-097-140045- /O.CON.KFSD.BZ.A.0002.081214T1200Z-081215T0600Z/ LINCOLN-LYON-MURRAY-PIPESTONE- INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON... IVANHOE...MARSHALL...SLAYTON...FULDA...PIPESTONE 1033 AM CST SAT DEC 13 2008 ...BLIZZARD WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING... A BLIZZARD WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING. STRONG NORTHERLY WINDS OF 30 TO 40 MPH ARE LIKELY TO DEVELOP EARLY SUNDAY. SNOW WILL MOVE INTO THE AREA VERY LATE TONIGHT AND CONTINUE DURING THE DAY ON SUNDAY. SNOWFALL AMOUNTS OF 2 TO 4 INCHES ARE EXPECTED IN THE WATCH AREA...AND THIS COMBINED WITH THE STRONG WINDS COULD PRODUCE BLIZZARD CONDITIONS WITH VERY LOW VISIBILITY...AND NEAR WHITEOUT CONDITIONS AT TIMES OF FALLING SNOW. WIND CHILLS WILL ALSO DROP TO 15 BELOW TO 25 BELOW ON SUNDAY AS ACTUAL TEMPERATURES FALL TO NEAR ZERO BY LATE SUNDAY AFTERNOON. A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES. THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY DANGEROUS. $$ CHAPMAN
000 WWUS43 KFSD 132201 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 401 PM CST SAT DEC 13 2008 .AN AREA OF LOW PRESSURE WILL RAPIDLY MOVE FROM EASTERN WYOMING INTO THE NORTHERN PLAINS BY SUNDAY MORNING. A STRONG COLD FRONT ASSOCIATED WITH THIS AREA OF LOW PRESSURE WILL SWEEP ACROSS THE REGION TONIGHT. STRONG NORTHWEST WINDS WILL DRAW ARCTIC AIR SOUTHWARD BEHIND THE FRONT CAUSING THE MERCURY TO PLUMMET DURING THE DAY ON SUNDAY. THE STRONG WINDS WILL REMAIN ACROSS THE AREA THROUGHOUT THE DAY ON SUNDAY BEFORE GRADUALLY DIMINISHING SUNDAY NIGHT INTO MONDAY. ALONG WITH THE STRONG WINDS...SNOW WILL SPREAD FROM WEST TO EAST ON SUNDAY CREATING BLIZZARD CONDITIONS...ESPECIALLY NORTH AND WEST OF A LINE FROM WAGNER SOUTH DAKOTA TO MARSHALL MINNESOTA. THE WINDS WILL ALSO CREATE BITTERLY COLD WIND CHILLS OF 20 TO 35 DEGREES BELOW ZERO. SDZ038-050-052-053-057>059-063-064-140615- /O.UPG.KFSD.BZ.A.0002.081214T0900Z-081215T0600Z/ /O.NEW.KFSD.BZ.W.0003.081214T0600Z-081215T0600Z/ 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 401 PM CST SAT DEC 13 2008 ...BLIZZARD WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT CST SUNDAY NIGHT... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A BLIZZARD WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT CST SUNDAY NIGHT. THE BLIZZARD WATCH IS NO LONGER IN EFFECT. STRONG NORTHERLY WINDS OF 30 TO 40 MPH ARE LIKELY LATE TONIGHT INTO SUNDAY EVENING. SNOW WILL DEVELOP ACROSS THE AREA LATE TONIGHT AND CONTINUE DURING THE DAY ON SUNDAY. SNOWFALL AMOUNTS OF 4 TO 7 INCHES ARE EXPECTED ACROSS THE AREA...WITH THE HEAVIEST AMOUNTS ACROSS CENTRAL SOUTH DAKOTA IN THE MISSOURI RIVER BASIN. THIS SNOWFALL ALONG WITHE THE VERY STRONG NORTHWEST WINDS WILL CREATE WHITE OUT CONDITIONS. TRAVEL IS NOT ADVISED WITHIN THE WARNED AREA. AS THE TEMPERATURE FALLS DURING THE DAY SUNDAY...WIND CHILL READINGS WILL FALL TO 20 TO 30 DEGREES BELOW ZERO BY SUNDAY AFTERNOON. A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. $$ SDZ039-040-054>056-060-140615- /O.UPG.KFSD.BZ.A.0002.081214T0900Z-081215T0600Z/ /O.NEW.KFSD.BZ.W.0003.081214T0900Z-081215T0600Z/ KINGSBURY-BROOKINGS-MINER-LAKE-MOODY-HANSON- INCLUDING THE CITIES OF...DE SMET...ARLINGTON...LAKE PRESTON... BROOKINGS...HOWARD...MADISON...FLANDREAU...ALEXANDRIA...EMERY 401 PM CST SAT DEC 13 2008 ...BLIZZARD WARNING IN EFFECT FROM 3 AM SUNDAY TO MIDNIGHT CST SUNDAY NIGHT... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A BLIZZARD WARNING...WHICH IS IN EFFECT FROM 3 AM SUNDAY TO MIDNIGHT CST SUNDAY NIGHT. THE BLIZZARD WATCH IS NO LONGER IN EFFECT. STRONG NORTHERLY WINDS OF 30 TO 40 MPH WILL DEVELOP LATE TONIGHT INTO SUNDAY EVENING. SNOW WILL MOVE INTO THE AREA LATE TONIGHT AND CONTINUE DURING THE DAY ON SUNDAY. SNOWFALL AMOUNTS OF 2 TO 5 INCHES ARE EXPECTED...WITH HEAVIEST AMOUNTS EXTENDING FROM ALEXANDRIA TO DE SMET. THIS SNOW COMBINED WITH THE STRONG WINDS WILL PRODUCE BLIZZARD CONDITIONS WITH VERY LOW VISIBILITIES...AND NEAR WHITEOUT CONDITIONS. TRAVEL IS NOT ADVISED. AS THE TEMPERATURE FALLS DURING THE DAY SUNDAY...WIND CHILL READINGS WILL FALL TO 20 TO 30 DEGREES BELOW ZERO BY EARLY SUNDAY EVENING. A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. $$ MNZ071-072-140615- /O.UPG.KFSD.BZ.A.0002.081214T1200Z-081215T0600Z/ /O.NEW.KFSD.BZ.W.0003.081214T1200Z-081215T0600Z/ LINCOLN-LYON- INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON... IVANHOE...MARSHALL 401 PM CST SAT DEC 13 2008 ...BLIZZARD WARNING IN EFFECT FROM 6 AM SUNDAY TO MIDNIGHT CST SUNDAY NIGHT... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A BLIZZARD WARNING...WHICH IS IN EFFECT FROM 6 AM SUNDAY TO MIDNIGHT CST SUNDAY NIGHT. THE BLIZZARD WATCH IS NO LONGER IN EFFECT. STRONG NORTHERLY WINDS OF 30 TO 40 MPH WILL DEVELOP EARLY SUNDAY MORNING. A BRIEF PERIOD OF LIGHT FREEZING RAIN IS POSSIBLE LATE TONIGHT...BEFORE SNOW SPREADS ACROSS THE AREA ON SUNDAY. SNOWFALL SHOULD BEING TO WIND DOWN SUNDAY NIGHT WITH A TOTAL ACCUMULATION OF TWO TO FOUR INCHES. THIS SNOWFALL COMBINED WITH THE VERY STRONG WINDS WILL PRODUCE BLIZZARD CONDITIONS WITH VERY LOW VISIBILITIES AND NEAR WHITEOUT CONDITIONS. TRAVEL IS NOT ADVISED. AS THE TEMPERATURE FALLS DURING THE DAY SUNDAY...WIND CHILL READINGS WILL FALL TO 15 TO 25 DEGREES BELOW ZERO. A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. $$ SDZ061-140615- /O.UPG.KFSD.BZ.A.0002.081214T0900Z-081215T0600Z/ /O.NEW.KFSD.WW.Y.0013.081214T0900Z-081215T0000Z/ MCCOOK- INCLUDING THE CITIES OF...SALEM...CANISTOTA...BRIDGEWATER... MONTROSE 401 PM CST SAT DEC 13 2008 ...WINTER WEATHER ADVISORY IN EFFECT FROM 3 AM TO 6 PM CST SUNDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 3 AM TO 6 PM CST SUNDAY. THE BLIZZARD WATCH IS NO LONGER IN EFFECT. STRONG NORTHERLY WINDS OF 30 TO 40 MPH WILL DEVELOP EARLY SUNDAY MORNING AND CONTINUE INTO SUNDAY NIGHT. A BRIEF PERIOD OF LIGHT FREEZING RAIN IS POSSIBLE EARLY SUNDAY MORNING...BEFORE SNOW SPREADS ACROSS THE AREA. SNOW IS EXPECT TO FALL THROUGHOUT THE DAY ON SUNDAY...AND BEGIN TO WIND DOWN SUNDAY NIGHT. TOTAL ACCUMULATIONS ARE EXPECTED TO BE AROUND THREE INCHES. THIS SNOWFALL COMBINED WITH THE STRONG WINDS WILL CREATE AREAS OF REDUCED VISIBILITY AND BLOWING AND DRIFTING SNOW. AS THE TEMPERATURE FALLS DURING THE DAY SUNDAY...WIND CHILL READINGS WILL FALL TO 15 TO 25 DEGREES BELOW ZERO. A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. $$ MNZ080-097-140615- /O.UPG.KFSD.BZ.A.0002.081214T1200Z-081215T0600Z/ /O.NEW.KFSD.WW.Y.0013.081214T0900Z-081215T0000Z/ MURRAY-PIPESTONE- INCLUDING THE CITIES OF...SLAYTON...FULDA...PIPESTONE 401 PM CST SAT DEC 13 2008 ...WINTER WEATHER ADVISORY IN EFFECT FROM 3 AM TO 6 PM CST SUNDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 3 AM TO 6 PM CST SUNDAY. THE BLIZZARD WATCH IS NO LONGER IN EFFECT. STRONG NORTHERLY WINDS OF 30 TO 40 MPH WILL DEVELOP EARLY SUNDAY MORNING AND CONTINUE INTO SUNDAY NIGHT. A BRIEF PERIOD OF LIGHT FREEZING RAIN IS POSSIBLE EARLY SUNDAY MORNING...BEFORE SNOW SPREADS ACROSS THE AREA. SNOW IS EXPECT TO FALL THROUGHOUT THE DAY ON SUNDAY...AND GRADUALLY COME TO AN END SUNDAY NIGHT. TOTAL ACCUMULATIONS ARE EXPECTED TO RANGE FROM ONE TO THREE INCHES. THIS SNOWFALL COMBINED WITH THE STRONG WINDS WILL CREATE AREAS OF REDUCED VISIBILITY AND BLOWING AND DRIFTING SNOW. AS THE TEMPERATURE FALLS DURING THE DAY SUNDAY...WIND CHILL READINGS WILL FALL TO 15 TO 25 DEGREES BELOW ZERO. 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. $$ IAZ001-012-020-MNZ089-098-NEZ013-SDZ062-065>071-140615- /O.NEW.KFSD.WW.Y.0013.081214T0900Z-081215T0000Z/ LYON-SIOUX-PLYMOUTH-NOBLES-ROCK-DIXON-MINNEHAHA-HUTCHINSON-TURNER- LINCOLN-BON HOMME-YANKTON-CLAY-UNION- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...ORANGE CITY...SIOUX CENTER...LE MARS...WORTHINGTON... LUVERNE...WAKEFIELD...PONCA...ALLEN...SIOUX FALLS...PARKSTON... FREEMAN...MENNO...TRIPP...PARKER...CENTERVILLE...MARION... VIBORG...HURLEY...CHANCELLOR...CANTON...LENNOX...TEA... HARRISBURG...TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR... YANKTON...VERMILLION...NORTH SIOUX CITY...BERESFORD...ELK POINT... ALCESTER...JEFFERSON 401 PM CST SAT DEC 13 2008 ...WINTER WEATHER ADVISORY IN EFFECT FROM 3 AM TO 6 PM CST SUNDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 3 AM TO 6 PM CST SUNDAY. STRONG NORTHERLY WINDS OF 30 TO 40 MPH WILL DEVELOP EARLY SUNDAY MORNING AND CONTINUE INTO SUNDAY NIGHT. A BRIEF PERIOD OF LIGHT FREEZING RAIN IS POSSIBLE EARLY SUNDAY MORNING...BEFORE SNOW SPREADS ACROSS THE AREA. SNOW IS EXPECT TO FALL THROUGHOUT THE DAY ON SUNDAY...AND GRADUALLY COME TO AN END SUNDAY EVENING. TOTAL ACCUMULATIONS ARE EXPECTED TO RANGE FROM ONE TO THREE INCHES. THIS SNOWFALL COMBINED WITH THE STRONG WINDS WILL CREATE AREAS OF REDUCED VISIBILITY AND BLOWING AND DRIFTING SNOW. AS THE TEMPERATURE FALLS DURING THE DAY SUNDAY...WIND CHILL READINGS WILL FALL TO 15 TO 25 DEGREES BELOW ZERO. A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. $$ IAZ002-003-013-MNZ081-090-140615- /O.NEW.KFSD.WW.Y.0013.081214T1200Z-081215T0000Z/ OSCEOLA-DICKINSON-OBRIEN-COTTONWOOD-JACKSON- INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD... ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...WINDOM... MOUNTAIN LAKE...JACKSON...LAKEFIELD 401 PM CST SAT DEC 13 2008 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM TO 6 PM CST SUNDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 6 AM TO 6 PM CST SUNDAY. STRONG NORTHERLY WINDS OF 30 TO 40 MPH WILL DEVELOP EARLY SUNDAY MORNING AND CONTINUE INTO SUNDAY NIGHT. A BRIEF PERIOD OF LIGHT FREEZING RAIN IS POSSIBLE EARLY SUNDAY MORNING...BEFORE SNOW SPREADS ACROSS THE AREA. SNOW IS EXPECT TO FALL THROUGHOUT THE DAY ON SUNDAY...AND GRADUALLY COME TO AN END SUNDAY EVENING. TOTAL ACCUMULATIONS ARE EXPECTED TO RANGE FROM ONE TO THREE INCHES. THIS SNOWFALL COMBINED WITH THE STRONG WINDS WILL CREATE AREAS OF REDUCED VISIBILITY AND BLOWING AND DRIFTING SNOW. AS THE TEMPERATURE FALLS DURING THE DAY SUNDAY...WIND CHILL READINGS WILL FALL TO 15 TO 20 DEGREES BELOW ZERO. 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. $$ BT
What forecasters said that day
The local office's own words before this blizzard 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 blizzard watch went out at Dec 11, 9:05 PM CST, 6 hours 20 minutes earlier.
Area forecast discussion, Dec 11, 9:05 PM CST, 6 hours 20 minutes before
AREA FORECAST DISCUSSION FOR SOUTHEAST SD/SOUTHWEST MN/NORTHWEST IA NATIONAL WEATHER SERVICE SIOUX FALLS SD 905 PM CST THU DEC 11 2008 .DISCUSSION... ARCTIC AIR BLEEDING SWD BEHIND CDFNT NOW FM ABT HON TO FSD TO SPW... AND WILL AFFECT NERN THIRD CWA REST OF TNGT WITH COLDER TEMPS THAN PREV FCST...BY AT LEAST 5 DEGS. SWRN HLF CWA MORE AFFECTED BY RETURN WSWLY FLOW OF RATHER MILD AIR AND UPPD LOWS SOME IN THIS AREA. SCT -SHSN DCRG...WITH FIRST WEAKENING BATCH MOVG THRU NWRN IA...AND ANOTHER MOVG SEWD THRU NRN CWA. SO KEPT SOME MOVG THRU MOSTLY ERN HLF CWA TNGT WHERE ALSO UPPD NLY WINDS WITH COLD ADVECTION. RYRHOLM && .AVIATION... MVFR CIGS WITH SPOTTY MVFR/BRIEF IFR VSBYS WITH SNOW SHWRS WL CONTINUE INTO THE NIGHT MAINLY ON THE COLD SIDE OF BNDRY SINKING SLOWLY SWRD FROM NR KBIS TO KFSD TO KSPW...AND EXPECTED TO STALL ABOUT 30-50NM S OF THIS LINE BY 09-12Z. SPOTTY MVFR/CIGS VSBYS EXPECTED TO END 03-04Z ARND KSUX AHEAD OF BNDRY. SOME MVFR CIGS WILL LINGER TO 12/15Z OR A LTL LATER MAINLY NE OF KFSD...WITH VFR CONDITIONS EXPECTED AFTER THIS TIME. CHAPMAN && .PREV DISCUSSION... LGT SNOW SHWRS STILL TARGETING FAR NRN/NERN FCST AREA FOR TNGT. THESE SHUD SPREAD INTO AREA THIS EVE...THEN LATE TNGT DCRS FROM THE W. ANY ACCUM SHUD BE QUITE LGT. HAVE MENTND FLRYS FOR LATR TNGT DOWN TO THE FSD/SLB AREAS. ASIDE FROM CURNT MAINLY MID BASED SNOW SHWRS...MODELS SEEM REASNBL IN DVLPG SC/ST DECK DOOWN INTO NRN/ERN FCST AREA TNGT AND THERE CUD BE A FEW FLRYS WITH THIS AS WELL. BASICALLY...AS BUBBLE SFC HIGH MOVES SEWD JUST TO THE N/E OF FCST AREA AND PUMPS SOME LO LVL COLD AIR INTO OUR NERN FCST AREA...IT WILL SET UP A GOOD LO LVL BOUNDRY FVRBL FOR THIS LO CLOUD BAND. THIS SHUD ALSO BEGIN TO MOVE NEWD/EWD BY 12Z AS BOUNDRY STARTS MOVING THAT WAY AS A WARM FRONT. MEANWHILE...LEFTOVER LGT SHWRS CLOSE TO SWRN CRNR OF FCST AREA ARE LOOKING WIMPIER BUT WILL LEAVE SLGT CHC SWRN CRNR INTO THIS EVE. TEMPS WILL DROP TO RELTVLY MILD LVLS XCP FOR THAT COLDER WEDGE BEING PUMPED INTO THE NERN FCST AREA. GUIDNCE LOOKS FAIRLY GOOD. FRIDAY WILL BE A TRICKY TEMPERATURE DAY WITH SOME COLD LOW LEVEL AIR TO WORK OVER IN THE EAST. EXPECT THIS TO HAPPEN BY LATE MORNING WITH A STRONG SOUTHERLY GRADIENT DEVELOPING. HIGHS WILL BE SIMILAR TO TODAY WITH UPPER 20S IN SW MN AND LOWER 40S IN SC SD. FRIDAY NIGHT WILL BE MILD...AT LEAST FOR THIS TIME OF YEAR...WITH AN INCREASING SOUTH WIND. WILL AIM FOR LOWS IN THE 20S...POSSIBLY CLOSE TO 30 NEAR THE MO RIVER. SATURDAY WILL BE WINDY AND MILD AS LOW PRESSURE DEEPENS TO THE SOUTHWEST OF THE AREA. CLOUDS SHOULD BE ON THE INCREASE THROUGHOUT THE DAY WITH THE POTENTIAL FOR STRATUS. THE 925MB TEMPERATURE WILL CLIMB INTO THE SINGLE DIGITS ABOVE ZERO...AND WITH LITTLE OR NO SNOW COVER IN SC SD...COULD APPROACH 50 IF CLOUD COVER IS NOT TOO THINK. UPPER LEVEL SUPPORT STARTS TO SNEAK ONTO THE PLAINS SATURDAY NIGHT WITH THE COLD AIR COLLAPSING DOWN THE WESTERN HIGH PLAINS. THE BETTER MID LEVEL THERMAL BANDING QUITE A WAYS TO THE NORTH AND WEST OF THE CWA...SO WILL ONLY INCLUDE LOW POPS FOR THIS TIME PERIOD WITH THE BETTER CHANCES IN CENTRAL SD LATE. SYSTEM FOR SUNDAY STILL ON TRACK TO PRODUCE MODERATE TO HEAVY SNOW TO THE NORTH OF THE AREA. THE 0Z GFS AND ALL OF ITS MEMBERS PLACE THE AXIS OF HEAVIEST SNOW WELL NORTH OF THE CWA AND THE 6Z GFS AS WELL AS THE 12Z GFS ALSO AGREE WITH THIS. EC AND CANADIAN ALSO ON BOARD WITH THIS SOLUTION. THE ONLY OUTLIER IS...AS USUAL...THE NAM. IT PLASTERS THE CWA WITH ABOUT A HALF TO THREE QUARTERS OF AN INCH OF QPF. SO...WHILE WE WILL LIKELY SEE SOME PRECIPITATION ON SUNDAY INTO SUNDAY NIGHT...NOT PLANNING ON ANY BIG ACCUMULATIONS AND WILL IGNORE THE NAM AND SIDE WITH THE EC/GFS/CANADIAN. IN THE LATTER PERIODS(MON-THU)...THE MAIN STORY DURING THIS TIME FRAME WILL BE COLD. WITH THE MODERATE TO SIGNIFICANT SNOWS EXPECTED TO REMAIN NORTH OF THE AREA...THE INCOMING ARCTIC BLAST WILL HAVE A LITTLE LESS PUNCH...BUT IS STILL EXPECTED TO BE COLD. MONDAY LOOKS LIKE THE COLDEST DAY WITH GOOD AGREEMENT ON COLD AIR SURGE. LAST COUPLE OF RUNS OF BOTH GFS AND EC SUGGEST -20 TO -25 DEGREES C AT 925MB...WHICH WILL LIKELY TRANSLATE TO TEMPERATURES IN THE SINGLE DIGITS. ALONG WITH NORTHWEST WINDS OF 15 TO 25 MPH...WIND CHILL VALUES WILL LIKELY BE IN THE TEENS AND 20S BELOW ZERO. AFTER THIS...THE MODELS START HAVING A LITTLE TROUBLE DEALING WITH THE COLD HIGH PRESSURE LEAKING DOWN THE WESTERN HIGH PLAINS. IN GENERAL...WILL CONTINUE TO SIDE WITH COLDEST GUIDANCE...ESPECIALLY WITH THE MEN CONTINUING BELOW THE MEX GUIDANCE WITH RELATIVELY HIGH STANDARD DEVIATIONS. WILL ADD A CHANCE FOR SNOW INTO THE WEDNESDAY AND WEDNESDAY NIGHT TIME FRAME AS MODELS ARE HINTING AT THE POTENTIAL FOR A FAIRLY STRONG JET STREAK TO PASS THROUGH NEBRASKA INTO IOWA DURING THIS TIME. && .FSD WATCHES/WARNINGS/ADVISORIES... IA...NONE. MN...NONE. NE...NONE. SD...NONE. &&
Hazardous weather outlook, Dec 11, 3:43 PM CST, 11 hours 42 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SIOUX FALLS SD 343 PM CST THU DEC 11 2008 SDZ038>040-050-052>071-MNZ071-072-080-081-089-090-097-098- IAZ001>003-012>014-020>022-031-032-NEZ013-014-121200- 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- 343 PM CST THU DEC 11 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST SOUTH DAKOTA... SOUTHWEST MINNESOTA...NORTHWEST IOWA...AND NORTHEAST NEBRASKA. .DAY ONE...TODAY AND TONIGHT WINTER WEATHER... A FEW SNOW SHOWERS ARE POSSIBLE THIS AFTERNOON INTO EARLY EVENING IN THE CHAMBERLAIN TO PICKSTOWN TO GREGORY AREA. ANY ACCUMULATIONS SHOULD BE LESS THAN ONE INCH. SPOTTY SNOW SHOWERS ARE ALSO POSSIBLE THIS AFTERNOON AND TONIGHT IN SOUTHWEST MINNESOTA WEST TO THE BROOKINGS AND DE SMET AREAS. ANY ACCUMULATIONS IN THIS AREA SHOULD ALSO BE LESS THAN ONE INCH. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY SNOW WILL DEVELOP OVER CENTRAL PARTS OF NEBRASKA AND SOUTH DAKOTA ON SUNDAY AND SPREAD NORTH IN THE AFTERNOON. A FEW LOCATIONS...MAINLY FROM CHAMBERLAIN TO HURON TO BROOKINGS...COULD RECEIVE 2 TO 4 INCHES. BY SUNDAY AFTERNOON...ARCTIC AIR WILL POUR IN ON A STRONG NORTHWEST WIND. WIND CHILL VALUES SUNDAY NIGHT INTO MONDAY WILL RANGE FROM 15 BELOW ZERO TO 25 BELOW ZERO. .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
Blizzard Watches in South Dakota, 2008Blizzard Watches in Minnesota, 2008Every blizzard watch in 2008
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.