Alert archive / Iowa / Ice Storm Warnings in 2013

Ice Storm Warning 1, NWS Sioux Falls, SD

April 9, 20134 states

NWS Sioux Falls, SD issued this ice storm warning at Apr 9, 2013, 11:43 AM CDT for 4 states. It took effect at Apr 9, 2013, 6:00 PM CDT. It was in force for 13 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 9, 2013, 11:43 AM CDT (16:43 UTC)
In effect from
Apr 9, 2013, 6:00 PM CDT
Expired
Apr 10, 2013, 7:00 AM CDT
In force
13 hr
Issued by
NWS Sioux Falls, SD

Counties Dickinson County, IA, O'Brien County, IA, Osceola County, IA, Plymouth County, IA, Sioux County, IA, Cottonwood County, MN, Jackson County, MN, Nobles County, MN, Dixon County, NE, Clay County, SD, Union County, SD

The radar

The Sioux Falls radar (KFSD), 76 km from the middle of the area, began a volume at 16:42 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 4.7 hours before the alert went out and 213 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.

Skew-T log-pSkew-T log-p diagram, Omaha, NE at 12:00Z on 2013-04-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Omaha, NE at 12:00Z on 2013-04-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 394 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
457 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
394 m²/s²
0-3 km storm-relative helicity
638 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

826 
WWUS43 KFSD 091643
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1143 AM CDT TUE APR 9 2013

MNZ089-SDZ070-100045-
/O.UPG.KFSD.WW.Y.0014.000000T0000Z-130410T0000Z/
/O.NEW.KFSD.IS.W.0001.130409T2300Z-130410T1200Z/
/O.EXT.KFSD.WS.A.0005.130410T1200Z-130411T1800Z/
NOBLES-CLAY-
INCLUDING THE CITIES OF...WORTHINGTON...VERMILLION
1143 AM CDT TUE APR 9 2013

...ICE STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 7 AM CDT
WEDNESDAY...
...WINTER STORM WATCH NOW IN EFFECT FROM WEDNESDAY MORNING
THROUGH THURSDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED AN ICE
STORM WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 7 AM
CDT WEDNESDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN
EFFECT. 

* TIMING...AREAS OF FREEZING DRIZZLE WILL BE LIKELY THROUGH THE
  DAY BUT AFTER ABOUT 600 PM CDT FREEZING RAIN IS EXPECTED TO
  DEVELOP. SLEET MAY MIX WITH THE FREEZING RAIN AT TIMES AFTER
  ABOUT 1000 PM CDT AND COULD CHANGE TO ALL SLEET AND SNOW AFTER
  MIDNIGHT. WHILE THERE MAY BE A BREAK IN PRECIPITATION WEDNESDAY
  MORNING...BY WEDNESDAY AFTERNOON AND WEDNESDAY NIGHT MODERATE TO
  POSSIBLY HEAVY SNOW WILL DEVELOP.

* ACCUMULATIONS...ICE ACCUMULATIONS OF A QUARTER TO A HALF AN INCH
  WILL BE POSSIBLE TONIGHT ALONG WITH ABOUT AN INCH OF SNOW AND
  SLEET ACCUMULATION. WEDNESDAY AFTERNOON AND NIGHT WILL SEE THE
  THREAT FOR AN ADDITIONAL 4 TO 7 INCHES OF SNOWFALL.

* WIND AND VISIBILITY...NORTH WINDS OF 25 TO 35 MPH WILL PERSIST
  THROUGH THURSDAY. ONCE PRECIPITATION CHANGES TO ALL SNOW...THESE
  WINDS COULD PRODUCE AREAS OF BLOWING SNOW REDUCING VISIBILITIES
  BELOW ONE MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AN ICE STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF ICE ACCUMULATIONS
WILL MAKE TRAVEL DANGEROUS OR IMPOSSIBLE. TRAVEL IS STRONGLY
DISCOURAGED. COMMERCE WILL LIKELY BE SEVERELY IMPACTED. IF YOU
MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY. ICE ACCUMULATIONS AND WINDS WILL
LIKELY LEAD TO SNAPPED POWER LINES AND FALLING TREE BRANCHES THAT
ADD TO THE DANGER.

&&

$$

IAZ002-003-012-013-020-MNZ090-NEZ013-SDZ071-100045-
/O.NEW.KFSD.IS.W.0001.130409T2300Z-130410T1200Z/
/O.EXB.KFSD.WS.A.0005.130410T1200Z-130411T1800Z/
OSCEOLA-DICKINSON-SIOUX-OBRIEN-PLYMOUTH-JACKSON-DIXON-UNION-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...
SANBORN...LE MARS...JACKSON...LAKEFIELD...WAKEFIELD...PONCA...
ALLEN...NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...
JEFFERSON
1143 AM CDT TUE APR 9 2013

...ICE STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 7 AM CDT
WEDNESDAY...
...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH
THURSDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED AN ICE
STORM WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 7 AM
CDT WEDNESDAY. A WINTER STORM WATCH HAS ALSO BEEN ISSUED. THIS
WINTER STORM WATCH IS IN EFFECT FROM WEDNESDAY MORNING THROUGH
THURSDAY AFTERNOON. 

* TIMING...AREAS OF DRIZZLE AND FREEZING DRIZZLE WILL BE LIKELY
  THROUGH THE DAY BUT AFTER ABOUT 600 PM CDT FREEZING RAIN IS
  EXPECTED TO DEVELOP. SLEET MAY MIX WITH THE FREEZING RAIN AT
  TIMES AFTER ABOUT 1000 PM CDT AND COULD CHANGE TO ALL SLEET AND
  SNOW AFTER MIDNIGHT. WHILE THERE MAY BE A BREAK IN PRECIPITATION
  WEDNESDAY MORNING BY WEDNESDAY AFTERNOON AND WEDNESDAY NIGHT
  MODERATE TO POSSIBLY HEAVY SNOW WILL DEVELOP.

* ACCUMULATIONS...ICE ACCUMULATIONS OF A QUARTER TO A HALF AN INCH
  WILL BE POSSIBLE TONIGHT ALONG WITH ABOUT AN INCH OR SO OF SNOW
  AND SLEET ACCUMULATION. WEDNESDAY AFTERNOON AND NIGHT WILL SEE
  THE THREAT FOR AN ADDITIONAL 3 TO 6 INCHES OF SNOWFALL.

* WIND AND VISIBILITY...NORTH WINDS OF 25 TO 35 MPH WILL PERSIST
  THROUGH THURSDAY. ONCE PRECIPITATION CHANGES TO ALL SNOW...THESE
  WINDS COULD PRODUCE AREAS OF BLOWING SNOW REDUCING VISIBILITIES
  BELOW ONE MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AN ICE STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF ICE ACCUMULATIONS
WILL MAKE TRAVEL DANGEROUS OR IMPOSSIBLE. TRAVEL IS STRONGLY
DISCOURAGED. COMMERCE WILL LIKELY BE SEVERELY IMPACTED. IF YOU
MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY. ICE ACCUMULATIONS AND WINDS WILL
LIKELY LEAD TO SNAPPED POWER LINES AND FALLING TREE BRANCHES THAT
ADD TO THE DANGER.

&&

$$

MNZ081-100045-
/O.NEW.KFSD.IS.W.0001.130409T2300Z-130410T1200Z/
/O.EXT.KFSD.WS.A.0005.130410T1200Z-130411T1800Z/
COTTONWOOD-
INCLUDING THE CITIES OF...WINDOM...MOUNTAIN LAKE
1143 AM CDT TUE APR 9 2013

...ICE STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 7 AM CDT
WEDNESDAY...
...WINTER STORM WATCH NOW IN EFFECT FROM WEDNESDAY MORNING
THROUGH THURSDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED AN ICE
STORM WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 7 AM
CDT WEDNESDAY. 

* TIMING...AREAS OF FREEZING DRIZZLE WILL BE LIKELY THROUGH THE
  DAY BUT AFTER ABOUT 600 PM CDT FREEZING RAIN IS EXPECTED TO
  DEVELOP. SLEET MAY MIX WITH THE FREEZING RAIN AT TIMES AFTER
  ABOUT 1000 PM CDT AND COULD CHANGE TO ALL SLEET AND SNOW AFTER
  MIDNIGHT. WHILE THERE MAY BE A BREAK IN PRECIPITATION WEDNESDAY
  MORNING BY WEDNESDAY AFTERNOON AND WEDNESDAY NIGHT MODERATE TO
  POSSIBLY HEAVY SNOW WILL DEVELOP.

* ACCUMULATIONS...ICE ACCUMULATIONS OF A QUARTER TO A HALF AN INCH
  WILL BE POSSIBLE TONIGHT ALONG WITH ABOUT AN INCH OR SO OF SNOW
  AND SLEET ACCUMULATION. WEDNESDAY AFTERNOON AND NIGHT WILL SEE
  THE THREAT FOR AN ADDITIONAL 3 TO 6 INCHES OF SNOWFALL.

* WIND AND VISIBILITY...NORTH WINDS OF 25 TO 35 MPH WILL PERSIST
  THROUGH THURSDAY. ONCE PRECIPITATION CHANGES TO ALL SNOW...THESE
  WINDS COULD PRODUCE AREAS OF BLOWING SNOW REDUCING VISIBILITIES
  BELOW ONE MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AN ICE STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF ICE ACCUMULATIONS
WILL MAKE TRAVEL DANGEROUS OR IMPOSSIBLE. TRAVEL IS STRONGLY
DISCOURAGED. COMMERCE WILL LIKELY BE SEVERELY IMPACTED. IF YOU
MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY. ICE ACCUMULATIONS AND WINDS WILL
LIKELY LEAD TO SNAPPED POWER LINES AND FALLING TREE BRANCHES THAT
ADD TO THE DANGER.

&&

$$

SDZ069-100045-
/O.UPG.KFSD.WW.Y.0014.000000T0000Z-130410T0000Z/
/O.UPG.KFSD.WS.A.0005.130410T0000Z-130411T0600Z/
/O.EXB.KFSD.WS.W.0003.000000T0000Z-130411T1200Z/
YANKTON-
INCLUDING THE CITY OF...YANKTON
1143 AM CDT TUE APR 9 2013

...WINTER STORM WARNING IN EFFECT UNTIL 7 AM CDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
STORM WARNING FOR FREEZING RAIN AND SLEET TONIGHT AND SNOW FOR
WEDNESDAY AFTERNOON AND NIGHT...WHICH IS IN EFFECT UNTIL 7 AM CDT
THURSDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. THE
WINTER STORM WATCH IS NO LONGER IN EFFECT.

* TIMING...AREAS OF FREEZING DRIZZLE WILL BE LIKELY THROUGH MID
  AFTERNOON BUT AFTER ABOUT 300 PM CDT SLEET AND FREEZING RAIN IS
  EXPECTED TO DEVELOP. PRECIPITATION MAY CHANGE TO ALL SLEET AFTER
  ABOUT 900 PM CDT AND COULD CHANGE TO ALL SNOW BY SUNRISE. WHILE
  THERE MAY BE A BREAK IN PRECIPITATION WEDNESDAY MORNING BY
  WEDNESDAY AFTERNOON AND WEDNESDAY NIGHT MODERATE TO POSSIBLY
  HEAVY SNOW WILL DEVELOP.

* ACCUMULATIONS...ICE ACCUMULATIONS OF A TENTH TO A QUARTER OF AN
  INCH WILL BE POSSIBLE TONIGHT ALONG WITH 1 TO 2 INCHES OF SNOW
  AND SLEET ACCUMULATION. WEDNESDAY AFTERNOON AND NIGHT WILL SEE
  THE THREAT FOR AN ADDITIONAL 3 TO 6 INCHES OF SNOWFALL.

* WIND AND VISIBILITY...NORTH WINDS OF 25 TO 35 MPH WILL PERSIST
  THROUGH THURSDAY. ONCE PRECIPITATION CHANGES TO ALL SNOW...THESE
  WINDS COULD PRODUCE AREAS OF BLOWING SNOW REDUCING VISIBILITIES
  BELOW ONE MILE AT TIMES.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF
SNOW...SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE
ALSO POSSIBLE.  THIS WILL MAKE TRAVEL VERY HAZARDOUS OR
IMPOSSIBLE.
&&

$$

IAZ001-MNZ098-SDZ062-066-067-100045-
/O.EXT.KFSD.WS.W.0003.000000T0000Z-130411T1200Z/
LYON-ROCK-MINNEHAHA-TURNER-LINCOLN-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...LUVERNE...SIOUX FALLS...PARKER...CENTERVILLE...
MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...LENNOX...TEA...
HARRISBURG
1143 AM CDT TUE APR 9 2013

...WINTER STORM WARNING NOW IN EFFECT UNTIL 7 AM CDT THURSDAY...

* TIMING...AREAS OF FREEZING DRIZZLE WILL BE LIKELY THROUGH MID
  AFTERNOON. AFTER ABOUT 400 PM CDT FREEZING RAIN IS EXPECTED TO
  DEVELOP. SLEET MAY MIX WITH THE FREEZING RAIN AT TIMES AFTER
  ABOUT 1000 PM CDT AND COULD CHANGE TO ALL SLEET AND SNOW AFTER
  MIDNIGHT. WHILE THERE MAY BE A BREAK IN PRECIPITATION WEDNESDAY
  MORNING BY WEDNESDAY AFTERNOON AND WEDNESDAY NIGHT MODERATE TO
  HEAVY SNOW WILL DEVELOP.

* ACCUMULATIONS...ICE ACCUMULATIONS OF A TENTH TO A QUARTER INCH
  WILL BE POSSIBLE TONIGHT ALONG WITH ABOUT AN INCH OR TWO OF SNOW
  AND SLEET ACCUMULATION. WEDNESDAY AFTERNOON AND NIGHT WILL SEE
  THE THREAT FOR AN ADDITIONAL 4 TO 7 INCHES OF SNOWFALL.

* WIND AND VISIBILITY...NORTH WINDS OF 25 TO 35 MPH WILL PERSIST
  THROUGH THURSDAY. ONCE PRECIPITATION CHANGES TO ALL SNOW...THESE
  WINDS COULD PRODUCE AREAS OF BLOWING SNOW REDUCING VISIBILITIES
  BELOW ONE MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE.  THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

SDZ050-052-057-058-063-064-100045-
/O.CON.KFSD.WS.W.0003.000000T0000Z-130411T0000Z/
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
1143 AM CDT TUE APR 9 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM CDT
WEDNESDAY...

* TIMING...PERIODS OF SNOW WILL OCCUR THROUGH WEDNESDAY NIGHT WITH
  SOME OF THE HEAVIEST LATE THIS AFTERNOON AND TONIGHT. THE SNOW
  WILL GRADUALLY DECREASE LATE WEDNESDAY AFTERNOON AND NIGHT. 

* ACCUMULATIONS...SIGNIFICANT SNOW ACCUMULATIONS AVERAGING 10 TO 
  16 INCHES IS EXPECTED THROUGH WEDNESDAY...WITH MINOR 
  ACCUMULATIONS LINGERING WEDNESDAY NIGHT. 

* WIND AND VISIBILITY...NORTHERLY WINDS WILL AVERAGE 25 TO 35 
  MPH TODAY THROUGH WEDNESDAY. THIS WILL CAUSE WIDESPREAD 
  BLOWING SNOW THROUGH WEDNESDAY REDUCING VISIBILITY TO LESS 
  THAN ONE HALF MILE AT TIMES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

SDZ038>040-053>056-059>061-065-068-100045-
/O.CON.KFSD.WS.W.0003.000000T0000Z-130411T0600Z/
BEADLE-KINGSBURY-BROOKINGS-SANBORN-MINER-LAKE-MOODY-DAVISON-
HANSON-MCCOOK-HUTCHINSON-BON HOMME-
INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...BROOKINGS...WOONSOCKET...HOWARD...MADISON...
FLANDREAU...MITCHELL...ALEXANDRIA...EMERY...SALEM...CANISTOTA...
BRIDGEWATER...MONTROSE...PARKSTON...FREEMAN...MENNO...TRIPP...
TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR
1143 AM CDT TUE APR 9 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 1 AM CDT
THURSDAY...

* TIMING...PERIODS OF SNOW WILL OCCUR THROUGH WEDNESDAY NIGHT WITH
  SOME OF THE HEAVIEST LATE THIS AFTERNOON AND TONIGHT. THE SNOW
  WILL GRADUALLY DECREASE LATE WEDNESDAY AFTERNOON AND NIGHT. 

* ACCUMULATIONS...SIGNIFICANT SNOW ACCUMULATIONS AVERAGING 7 TO 12
  INCHES SOUTH OF INTERSTATE 90 AND 10 TO 18 INCHES NORTH OF
  INTERSTATE 90 THROUGH WEDNESDAY NIGHT.

* WIND AND VISIBILITY...NORTHERLY WINDS WILL AVERAGE 25 TO 35 
  MPH TODAY THROUGH WEDNESDAY. THIS WILL CAUSE WIDESPREAD 
  BLOWING SNOW THROUGH WEDNESDAY REDUCING VISIBILITY TO LESS 
  THAN ONE HALF MILE AT TIMES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO EXPECTED. THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MNZ071-072-080-097-100045-
/O.CON.KFSD.WS.W.0003.000000T0000Z-130411T1800Z/
LINCOLN-LYON-MURRAY-PIPESTONE-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...MARSHALL...SLAYTON...FULDA...PIPESTONE
1143 AM CDT TUE APR 9 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 1 PM CDT
THURSDAY...

* TIMING...PERIODS OF SLEET AND SNOW WILL BE LIKELY THIS EVENING
  BUT SHOULD RAPIDLY BECOME ALL SNOW BY MIDNIGHT. THE SNOW WILL GRADUALLY
  DECREASE THURSDAY MORNING.

* ACCUMULATIONS...SIGNIFICANT SNOW ACCUMULATIONS AVERAGING 12 TO
  18 INCHES...WITH THE HIGHEST AMOUNTS ALONG HIGHWAY 14...IS
  EXPECTED THROUGH WEDNESDAY...WITH MINOR ACCUMULATIONS LINGERING
  WEDNESDAY NIGHT.

* WIND AND VISIBILITY...NORTHERLY WINDS WILL AVERAGE 25 TO 35 
  MPH TODAY THROUGH WEDNESDAY. THIS WILL CAUSE WIDESPREAD 
  BLOWING SNOW THROUGH WEDNESDAY REDUCING VISIBILITY TO LESS 
  THAN ONE HALF MILE AT TIMES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

08/SCHUMACHER
4 follow-up statements
327 
WWUS43 KFSD 092109
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
409 PM CDT TUE APR 9 2013

IAZ002-003-012-013-020-MNZ081-089-090-NEZ013-SDZ070-071-100515-
/O.CON.KFSD.IS.W.0001.130409T2300Z-130410T1200Z/
/O.CON.KFSD.WS.A.0005.130410T1200Z-130411T1800Z/
OSCEOLA-DICKINSON-SIOUX-OBRIEN-PLYMOUTH-COTTONWOOD-NOBLES-JACKSON-
DIXON-CLAY-UNION-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...
SANBORN...LE MARS...WINDOM...MOUNTAIN LAKE...WORTHINGTON...
JACKSON...LAKEFIELD...WAKEFIELD...PONCA...ALLEN...VERMILLION...
NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON
409 PM CDT TUE APR 9 2013

...ICE STORM WARNING REMAINS IN EFFECT UNTIL 7 AM CDT WEDNESDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING
THROUGH THURSDAY AFTERNOON...

* TIMING... FREEZING RAIN WILL OVERSPREAD THE AREA THIS EVENING.
  SLEET MAY MIX WITH THE FREEZING RAIN AT TIMES. WHILE THERE MAY BE A
  BREAK IN PRECIPITATION WEDNESDAY MORNING BY WEDNESDAY AFTERNOON AND
  WEDNESDAY NIGHT MODERATE TO POSSIBLY HEAVY SNOW WILL DEVELOP AND
  POSSIBLY CONTINUE INTO THURSDAY

* ACCUMULATIONS...ICE ACCUMULATIONS OF A QUARTER TO THREE QUARTERS OF
  AN INCH IS EXPECTED TONIGHT. WEDNESDAY AFTERNOON AND NIGHT WILL SEE
  THE THREAT FOR AN ADDITIONAL 3 TO 9 INCHES OF SNOWFALL. THE HIGHEST
  SNOW AMOUNTS ARE EXPECTED ACROSS SOUTHWEST MINNESOTA.

* WIND AND VISIBILITY...NORTH WINDS OF 20 TO 30 MPH WILL PERSIST
  THROUGH THURSDAY. ONCE PRECIPITATION CHANGES TO ALL SNOW... THESE
  WINDS COULD PRODUCE AREAS OF BLOWING SNOW REDUCING VISIBILITIES
  BELOW ONE HALF MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AN ICE STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF ICE ACCUMULATIONS
WILL MAKE TRAVEL DANGEROUS OR IMPOSSIBLE. TRAVEL IS STRONGLY
DISCOURAGED. COMMERCE WILL LIKELY BE SEVERELY IMPACTED. IF YOU
MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY. ICE ACCUMULATIONS AND WINDS WILL
LIKELY LEAD TO SNAPPED POWER LINES AND FALLING TREE BRANCHES THAT
ADD TO THE DANGER.

&&

$$

SDZ050-052-057-058-063-064-100515-
/O.CON.KFSD.WS.W.0003.000000T0000Z-130411T0000Z/
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
409 PM CDT TUE APR 9 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM CDT
WEDNESDAY...

* TIMING...PERIODS OF SNOW WILL OCCUR THROUGH WEDNESDAY NIGHT 
  WITH SOME OF THE HEAVIEST LATE THIS AFTERNOON AND TONIGHT. THE 
  SNOW WILL GRADUALLY DECREASE LATE WEDNESDAY AFTERNOON AND 
  NIGHT. 

* ACCUMULATIONS...SIGNIFICANT ADDITIONAL SNOW ACCUMULATIONS AVERAGING
  6 TO 12 INCHES IS EXPECTED THROUGH WEDNESDAY...WITH MINOR
  ACCUMULATIONS LINGERING WEDNESDAY NIGHT.

* WIND AND VISIBILITY...NORTHERLY WINDS WILL AVERAGE 20 TO 30 MPH
  TODAY THROUGH WEDNESDAY. THIS WILL CAUSE WIDESPREAD BLOWING SNOW
  THROUGH WEDNESDAY REDUCING VISIBILITY TO LESS THAN ONE HALF MILE AT
  TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

SDZ038>040-053>056-059>061-065-068-100515-
/O.CON.KFSD.WS.W.0003.000000T0000Z-130411T0600Z/
BEADLE-KINGSBURY-BROOKINGS-SANBORN-MINER-LAKE-MOODY-DAVISON-
HANSON-MCCOOK-HUTCHINSON-BON HOMME-
INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...BROOKINGS...WOONSOCKET...HOWARD...MADISON...
FLANDREAU...MITCHELL...ALEXANDRIA...EMERY...SALEM...CANISTOTA...
BRIDGEWATER...MONTROSE...PARKSTON...FREEMAN...MENNO...TRIPP...
TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR
409 PM CDT TUE APR 9 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 1 AM CDT
THURSDAY...

* TIMING...PERIODS OF SNOW WILL OCCUR THROUGH WEDNESDAY NIGHT WITH
  SOME OF THE HEAVIEST LATE THIS AFTERNOON AND TONIGHT. SOME SLEET
  AND FREEZING RAIN MAY MIX IN WITH THE SNOW TONIGHT. THE SNOW WILL
  GRADUALLY DECREASE LATE WEDNESDAY AFTERNOON AND NIGHT.

* ACCUMULATIONS...SIGNIFICANT ADDITIONAL SNOW ACCUMULATIONS AVERAGING
  6 TO 10 INCHES SOUTH OF INTERSTATE 90 AND 8 TO 12 INCHES NORTH OF
  INTERSTATE 90 THROUGH WEDNESDAY NIGHT.

* WIND AND VISIBILITY...NORTHERLY WINDS WILL AVERAGE 20 TO 30 MPH
  TODAY THROUGH WEDNESDAY. THIS WILL CAUSE WIDESPREAD BLOWING SNOW
  THROUGH WEDNESDAY REDUCING VISIBILITY TO LESS THAN ONE HALF MILE AT
  TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO EXPECTED. THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MNZ071-072-080-097-100515-
/O.CON.KFSD.WS.W.0003.000000T0000Z-130411T1800Z/
LINCOLN-LYON-MURRAY-PIPESTONE-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...MARSHALL...SLAYTON...FULDA...PIPESTONE
409 PM CDT TUE APR 9 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 1 PM CDT
THURSDAY...

* TIMING...PERIODS OF SLEET...SNOW AND FREEZING RAIN WILL BECOME ALL
  SNOW BY LATER TONIGHT. THE SNOW WILL GRADUALLY DECREASE THURSDAY
  MORNING.

* ACCUMULATIONS...SIGNIFICANT ADDITIONAL SNOW ACCUMULATIONS AVERAGING
  8 TO 12 INCHES...WITH THE HIGHEST AMOUNTS ALONG HIGHWAY 14...IS
  EXPECTED THROUGH THURSDAY MORNING.

* WIND AND VISIBILITY...NORTHERLY WINDS WILL AVERAGE 20 TO 30 MPH
  TODAY THROUGH WEDNESDAY. THIS WILL CAUSE WIDESPREAD BLOWING SNOW
  THROUGH WEDNESDAY REDUCING VISIBILITY TO LESS THAN ONE HALF MILE AT
  TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

IAZ001-MNZ098-SDZ062-066-067-069-100515-
/O.CON.KFSD.WS.W.0003.000000T0000Z-130411T1200Z/
LYON-ROCK-MINNEHAHA-TURNER-LINCOLN-YANKTON-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...LUVERNE...SIOUX FALLS...PARKER...CENTERVILLE...
MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...LENNOX...TEA...
HARRISBURG...YANKTON
409 PM CDT TUE APR 9 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM CDT
THURSDAY...

* TIMING...FREEZING RAIN AND SLEET WILL CONTINUE TONIGHT. WHILE THERE
  MAY BE A BREAK IN PRECIPITATION WEDNESDAY MORNING BY WEDNESDAY
  AFTERNOON AND WEDNESDAY NIGHT MODERATE TO POSSIBLY HEAVY SNOW WILL
  DEVELOP AND CONTINUE INTO THURSDAY MORNING.

* ACCUMULATIONS...ICE ACCUMULATIONS OF AROUND A QUARTER OF AN INCH
  WILL BE POSSIBLE TONIGHT ALONG WITH 1 TO 2 INCHES OF SNOW AND SLEET
  ACCUMULATION. WEDNESDAY AFTERNOON AND NIGHT WILL SEE THE THREAT FOR
  AN ADDITIONAL 3 TO 6 INCHES OF SNOWFALL.

* WIND AND VISIBILITY...NORTH WINDS OF 20 TO 30 MPH WILL PERSIST
  THROUGH THURSDAY. ONCE PRECIPITATION CHANGES TO ALL SNOW... THESE
  WINDS COULD PRODUCE AREAS OF BLOWING SNOW REDUCING VISIBILITIES
  BELOW ONE HALF MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. ICE
ACCUMULATIONS AND WINDS WILL ALSO LEAD TO SNAPPED POWER LINES AND
FALLING TREE BRANCHES THAT ADD TO THE DANGER.

&&

$$
258 
WWUS43 KFSD 092248
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
548 PM CDT TUE APR 9 2013

IAZ002-003-012-013-020-MNZ081-089-090-NEZ013-SDZ070-071-100700-
/O.CON.KFSD.IS.W.0001.130409T2300Z-130410T1200Z/
/O.CON.KFSD.WS.A.0005.130410T1200Z-130411T1800Z/
OSCEOLA-DICKINSON-SIOUX-OBRIEN-PLYMOUTH-COTTONWOOD-NOBLES-JACKSON-
DIXON-CLAY-UNION-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...
SANBORN...LE MARS...WINDOM...MOUNTAIN LAKE...WORTHINGTON...
JACKSON...LAKEFIELD...WAKEFIELD...PONCA...ALLEN...VERMILLION...
NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON
548 PM CDT TUE APR 9 2013

...ICE STORM WARNING REMAINS IN EFFECT UNTIL 7 AM CDT WEDNESDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING
THROUGH THURSDAY AFTERNOON...

* TIMING... FREEZING RAIN WILL OVERSPREAD THE AREA THIS EVENING. 
  SLEET MAY MIX WITH THE FREEZING RAIN AT TIMES. WHILE THERE MAY 
  BE A BREAK IN PRECIPITATION WEDNESDAY MORNING BY WEDNESDAY 
  AFTERNOON AND WEDNESDAY NIGHT MODERATE TO POSSIBLY HEAVY SNOW 
  WILL DEVELOP AND POSSIBLY CONTINUE INTO THURSDAY 

* ACCUMULATIONS...ICE ACCUMULATIONS OF A QUARTER TO THREE 
  QUARTERS OF AN INCH IS EXPECTED TONIGHT. WEDNESDAY AFTERNOON 
  AND NIGHT WILL SEE THE THREAT FOR AN ADDITIONAL 3 TO 9 INCHES 
  OF SNOWFALL. THE HIGHEST SNOW AMOUNTS ARE EXPECTED ACROSS 
  SOUTHWEST MINNESOTA. 

* WIND AND VISIBILITY...NORTH WINDS OF 20 TO 30 MPH WILL PERSIST 
  THROUGH THURSDAY. ONCE PRECIPITATION CHANGES TO ALL SNOW... 
  THESE WINDS COULD PRODUCE AREAS OF BLOWING SNOW REDUCING 
  VISIBILITIES BELOW ONE HALF MILE AT TIMES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AN ICE STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF ICE ACCUMULATIONS
WILL MAKE TRAVEL DANGEROUS OR IMPOSSIBLE. TRAVEL IS STRONGLY
DISCOURAGED. COMMERCE WILL LIKELY BE SEVERELY IMPACTED. IF YOU
MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY. ICE ACCUMULATIONS AND WINDS WILL
LIKELY LEAD TO SNAPPED POWER LINES AND FALLING TREE BRANCHES THAT
ADD TO THE DANGER.

&&

$$

SDZ050-052-057-058-063-064-100700-
/O.CON.KFSD.WS.W.0003.000000T0000Z-130411T0000Z/
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
548 PM CDT TUE APR 9 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM CDT
WEDNESDAY...

* TIMING...PERIODS OF SNOW WILL OCCUR THROUGH WEDNESDAY NIGHT 
  WITH SOME OF THE HEAVIEST LATE THIS AFTERNOON AND TONIGHT. THE 
  SNOW WILL GRADUALLY DECREASE LATE WEDNESDAY AFTERNOON AND 
  NIGHT. 

* ACCUMULATIONS...SIGNIFICANT ADDITIONAL SNOW ACCUMULATIONS 
  AVERAGING 6 TO 12 INCHES IS EXPECTED THROUGH WEDNESDAY...WITH 
  MINOR ACCUMULATIONS LINGERING WEDNESDAY NIGHT. 

* WIND AND VISIBILITY...NORTHERLY WINDS WILL AVERAGE 20 TO 30 
  MPH TODAY THROUGH WEDNESDAY. THIS WILL CAUSE WIDESPREAD 
  BLOWING SNOW THROUGH WEDNESDAY REDUCING VISIBILITY TO LESS 
  THAN ONE HALF MILE AT TIMES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

SDZ038>040-053>056-059>061-065-068-100700-
/O.CON.KFSD.WS.W.0003.000000T0000Z-130411T0600Z/
BEADLE-KINGSBURY-BROOKINGS-SANBORN-MINER-LAKE-MOODY-DAVISON-
HANSON-MCCOOK-HUTCHINSON-BON HOMME-
INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...BROOKINGS...WOONSOCKET...HOWARD...MADISON...
FLANDREAU...MITCHELL...ALEXANDRIA...EMERY...SALEM...CANISTOTA...
BRIDGEWATER...MONTROSE...PARKSTON...FREEMAN...MENNO...TRIPP...
TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR
548 PM CDT TUE APR 9 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 1 AM CDT
THURSDAY...

* TIMING...PERIODS OF SNOW WILL OCCUR THROUGH WEDNESDAY NIGHT 
  WITH SOME OF THE HEAVIEST LATE THIS AFTERNOON AND TONIGHT. 
  SOME SLEET AND FREEZING RAIN MAY MIX IN WITH THE SNOW TONIGHT. 
  THE SNOW WILL GRADUALLY DECREASE LATE WEDNESDAY AFTERNOON AND 
  NIGHT. 

* ACCUMULATIONS...SIGNIFICANT ADDITIONAL SNOW ACCUMULATIONS 
  AVERAGING 6 TO 10 INCHES SOUTH OF INTERSTATE 90 AND 8 TO 12 
  INCHES NORTH OF INTERSTATE 90 THROUGH WEDNESDAY NIGHT. 

* WIND AND VISIBILITY...NORTHERLY WINDS WILL AVERAGE 20 TO 30 
  MPH TODAY THROUGH WEDNESDAY. THIS WILL CAUSE WIDESPREAD 
  BLOWING SNOW THROUGH WEDNESDAY REDUCING VISIBILITY TO LESS 
  THAN ONE HALF MILE AT TIMES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO EXPECTED. THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MNZ071-072-080-097-100700-
/O.CON.KFSD.WS.W.0003.000000T0000Z-130411T1800Z/
LINCOLN-LYON-MURRAY-PIPESTONE-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...MARSHALL...SLAYTON...FULDA...PIPESTONE
548 PM CDT TUE APR 9 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 1 PM CDT
THURSDAY...

* TIMING...PERIODS OF SLEET...SNOW AND FREEZING RAIN WILL BECOME 
  ALL SNOW BY LATER TONIGHT. THE SNOW WILL GRADUALLY DECREASE 
  THURSDAY MORNING. 

* ACCUMULATIONS...SIGNIFICANT ADDITIONAL SNOW ACCUMULATIONS 
  AVERAGING 8 TO 12 INCHES...WITH THE HIGHEST AMOUNTS ALONG 
  HIGHWAY 14...IS EXPECTED THROUGH THURSDAY MORNING. 

* WIND AND VISIBILITY...NORTHERLY WINDS WILL AVERAGE 20 TO 30 
  MPH TODAY THROUGH WEDNESDAY. THIS WILL CAUSE WIDESPREAD 
  BLOWING SNOW THROUGH WEDNESDAY REDUCING VISIBILITY TO LESS 
  THAN ONE HALF MILE AT TIMES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

IAZ001-MNZ098-SDZ062-066-067-069-100700-
/O.CON.KFSD.WS.W.0003.000000T0000Z-130411T1200Z/
LYON-ROCK-MINNEHAHA-TURNER-LINCOLN-YANKTON-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...LUVERNE...SIOUX FALLS...PARKER...CENTERVILLE...
MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...LENNOX...TEA...
HARRISBURG...YANKTON
548 PM CDT TUE APR 9 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM CDT
THURSDAY...

* TIMING...FREEZING RAIN AND SLEET WILL CONTINUE TONIGHT. WHILE 
  THERE MAY BE A BREAK IN PRECIPITATION WEDNESDAY MORNING BY 
  WEDNESDAY AFTERNOON AND WEDNESDAY NIGHT MODERATE TO POSSIBLY 
  HEAVY SNOW WILL DEVELOP AND CONTINUE INTO THURSDAY MORNING. 

* ACCUMULATIONS...ICE ACCUMULATIONS OF AROUND A QUARTER OF AN 
  INCH WILL BE POSSIBLE TONIGHT ALONG WITH 1 TO 2 INCHES OF SNOW 
  AND SLEET ACCUMULATION. WEDNESDAY AFTERNOON AND NIGHT WILL SEE 
  THE THREAT FOR AN ADDITIONAL 3 TO 6 INCHES OF SNOWFALL. 

* WIND AND VISIBILITY...NORTH WINDS OF 20 TO 30 MPH WILL PERSIST 
  THROUGH THURSDAY. ONCE PRECIPITATION CHANGES TO ALL SNOW... 
  THESE WINDS COULD PRODUCE AREAS OF BLOWING SNOW REDUCING 
  VISIBILITIES BELOW ONE HALF MILE AT TIMES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. ICE
ACCUMULATIONS AND WINDS WILL ALSO LEAD TO SNAPPED POWER LINES AND
FALLING TREE BRANCHES THAT ADD TO THE DANGER.

&&

$$

IAZ014-021-022-031-032-NEZ014-100700-
/O.NEW.KFSD.WW.Y.0015.130409T2300Z-130411T1800Z/
CLAY-CHEROKEE-BUENA VISTA-WOODBURY-IDA-DAKOTA-
INCLUDING THE CITIES OF...SPENCER...CHEROKEE...STORM LAKE...
SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...
SOUTH SIOUX CITY
548 PM CDT TUE APR 9 2013

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 1 PM CDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
WEATHER ADVISORY FOR SLEET...FREEZING RAIN AND SNOW...WHICH IS IN EFFECT
UNTIL 1 PM CDT THURSDAY.

* TIMING...PERIODS OF RAIN...SLEET AND FREEZING RAIN WILL CONTINUE
  TONIGHT. LIGHTER SLEET IS POSSIBLE WEDNESDAY MORNING...BEFORE
  ANOTHER ROUND OF HEAVIER SNOW OR SLEET MOVES IN WEDNESDAY AFTERNOON
  AND NIGHT.

* ACCUMULATIONS...AROUND 2 INCHES OF SNOW AND SLEET IS EXPECTED TONIGHT...WITH
  LIGHT FREEZING RAIN ACCUMULATIONS POSSIBLE AS WELL. AN ADDITIONAL 2
  TO 6 INCHES OF SNOW AND SLEET IS POSSIBLE WEDNESDAY INTO WEDNESDAY
  NIGHT

* WIND AND VISIBILITY...NORTH WINDS OF 20 TO 30 MPH WILL PERSIST
  THROUGH THURSDAY. ONCE PRECIPITATION CHANGES TO ALL SNOW... THESE
  WINDS COULD PRODUCE AREAS OF BLOWING SNOW REDUCING VISIBILITIES
  BELOW ONE HALF MILE AT TIMES.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$
356 
WWUS43 KFSD 100937
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
437 AM CDT WED APR 10 2013

IAZ002-003-012-013-020-MNZ081-089-090-NEZ013-SDZ070-071-101745-
/O.UPG.KFSD.WS.A.0005.130410T1200Z-130411T1800Z/
/O.EXB.KFSD.WS.W.0003.130410T1200Z-130411T1800Z/
/O.CON.KFSD.IS.W.0001.000000T0000Z-130410T1200Z/
OSCEOLA-DICKINSON-SIOUX-OBRIEN-PLYMOUTH-COTTONWOOD-NOBLES-JACKSON-
DIXON-CLAY-UNION-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...
SANBORN...LE MARS...WINDOM...MOUNTAIN LAKE...WORTHINGTON...
JACKSON...LAKEFIELD...WAKEFIELD...PONCA...ALLEN...VERMILLION...
NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON
437 AM CDT WED APR 10 2013

...ICE STORM WARNING REMAINS IN EFFECT UNTIL 7 AM CDT THIS
MORNING...
...WINTER STORM WARNING IN EFFECT FROM 7 AM THIS MORNING TO 1 PM
CDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
STORM WARNING FOR SLEET...FREEZING RAIN AND SNOW...WHICH IS IN EFFECT
FROM 7 AM THIS MORNING TO 1 PM CDT THURSDAY. THE WINTER STORM WATCH
IS NO LONGER IN EFFECT.

* TIMING...OCCASIONAL FREEZING DRIZZLE...LIGHT FREEZING RAIN WILL MIX
  WITH SLEET AT TIMES THROUGH THIS AFTERNOON. WHILE THERE MAY BE A
  BREAK IN THE PRECIPITATION...THE PRECIPITATION IS EXPECTED TO
  INTENSIFY THIS AFTERNOON AND BECOME ENTIRELY SNOW THIS EVENING.
  SNOW MAY BE MODERATE TO HEAVY AT TIMES AND CONTINUE INTO THURSDAY.

* ACCUMULATIONS...ADDITIONAL ICE ACCUMULATIONS WILL BE LESS THAN FIVE
  HUNDRETHS OF AN INCH. SNOWFALL ACCUMULATIONS OF 4 TO 9 INCHES OF
  SNOWFALL. THE HIGHEST SNOW AMOUNTS ARE EXPECTED ACROSS SOUTHWEST
  MINNESOTA.

* WIND AND VISIBILITY...NORTH WINDS OF 15 TO 25 MPH WILL PERSIST
  THROUGH THURSDAY. ONCE PRECIPITATION CHANGES TO ALL SNOW... THESE
  WINDS COULD PRODUCE AREAS OF BLOWING SNOW REDUCING VISIBILITIES
  BELOW ONE MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF
SNOW...SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE
ALSO POSSIBLE.  THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

IAZ014-101745-
/O.UPG.KFSD.WW.Y.0015.000000T0000Z-130411T1800Z/
/O.EXB.KFSD.WS.W.0003.130410T1200Z-130411T1800Z/
CLAY-
INCLUDING THE CITY OF...SPENCER
437 AM CDT WED APR 10 2013

...WINTER STORM WARNING IN EFFECT FROM 7 AM THIS MORNING TO 1 PM
CDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
STORM WARNING FOR FREEZING RAIN...SLEET AND SNOW...WHICH IS IN EFFECT
FROM 7 AM THIS MORNING TO 1 PM CDT THURSDAY. THE WINTER WEATHER
ADVISORY IS NO LONGER IN EFFECT.

* TIMING...OCCASIONAL FREEZING DRIZZLE AND LIGHT FREEZING RAIN WILL
  MIX WITH SLEET AT TIMES THROUGH THIS AFTERNOON. WHILE THERE MAY BE
  A BREAK IN THE PRECIPITATION...THE PRECIPITATION IS EXPECTED TO
  INTENSIFY THIS AFTERNOON AND BECOME ENTIRELY SNOW BY LATE TONIGHT.
  SNOW MAY BE MODERATE TO HEAVY AT TIMES AND CONTINUE INTO THURSDAY.

* ACCUMULATIONS...ADDITIONAL ICE ACCUMULATIONS OF UP TO A QUARTER
  INCH WILL BE POSSIBLE THROUGH TONIGHT. 2 TO 6 INCHES OF SNOW AND
  SLEET IS POSSIBLE THROUGH THURSDAY.

* WIND AND VISIBILITY...NORTH WINDS OF 15 TO 25 MPH WILL PERSIST
  THROUGH THURSDAY. ONCE PRECIPITATION CHANGES TO ALL SNOW... THESE
  WINDS COULD PRODUCE AREAS OF BLOWING SNOW REDUCING VISIBILITIES
  BELOW ONE MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF
SNOW...SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE
ALSO POSSIBLE.  THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

SDZ050-052-057-058-063-064-101745-
/O.EXT.KFSD.WS.W.0003.000000T0000Z-130411T1200Z/
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
437 AM CDT WED APR 10 2013

...WINTER STORM WARNING NOW IN EFFECT UNTIL 7 AM CDT THURSDAY...

* TIMING...OCCASIONAL LIGHT SNOW AND FREEZING DRIZZLE IS EXPECTED
  TODAY. ALTHOUGH THERE MAY BE A BREAK IN THE PRECIPITATION...SNOW
  WILL INTENSIFY THIS AFTERNOON THROUGH TONIGHT AND MAY BECOME
  MODERATE TO HEAVY AT TIMES.

* ACCUMULATIONS...ADDITIONAL SNOW ACCUMULATIONS OF 4 TO 8 INCHES
  TODAY AND TONIGHT. 

* WIND AND VISIBILITY...NORTHERLY WINDS WILL AVERAGE 15 TO 25 MPH
  THROUGH THURSDAY. THIS WILL CAUSE AREAS OF BLOWING SNOW...REDUCING
  VISIBILITY TO LESS THAN ONE HALF MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

SDZ038>040-053>056-059>061-065-068-101745-
/O.EXT.KFSD.WS.W.0003.000000T0000Z-130411T1800Z/
BEADLE-KINGSBURY-BROOKINGS-SANBORN-MINER-LAKE-MOODY-DAVISON-
HANSON-MCCOOK-HUTCHINSON-BON HOMME-
INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...BROOKINGS...WOONSOCKET...HOWARD...MADISON...
FLANDREAU...MITCHELL...ALEXANDRIA...EMERY...SALEM...CANISTOTA...
BRIDGEWATER...MONTROSE...PARKSTON...FREEMAN...MENNO...TRIPP...
TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR
437 AM CDT WED APR 10 2013

...WINTER STORM WARNING NOW IN EFFECT UNTIL 1 PM CDT THURSDAY...

* TIMING...OCCASIONAL LIGHT SNOW AND FREEZING DRIZZLE IS EXPECTED
  TODAY. ALTHOUGH THERE MAY BE A BREAK IN THE PRECIPITATION...SNOW
  WILL INTENSIFY THIS AFTERNOON THROUGH THURSDAY MORNING AND MAY
  BECOME MODERATE TO HEAVY AT TIMES. SLEET MAY ALSO MIX WITH SNOW
  AT TIMES.

* ACCUMULATIONS...ADDITIONAL SLEET AND SNOW ACCUMULATIONS AVERAGING
  5 TO 8 INCHES SOUTH OF INTERSTATE 90 AND 7 TO 10 INCHES NORTH OF
  INTERSTATE 90 THROUGH THURSDAY.

* WIND AND VISIBILITY...NORTHERLY WINDS WILL AVERAGE 15 TO 25 MPH
  THROUGH THURSDAY. THIS WILL CAUSE AREAS OF BLOWING SNOW...REDUCING
  VISIBILITY TO LESS THAN ONE MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO EXPECTED. THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

IAZ001-MNZ098-SDZ062-066-067-069-101745-
/O.EXT.KFSD.WS.W.0003.000000T0000Z-130411T1800Z/
LYON-ROCK-MINNEHAHA-TURNER-LINCOLN-YANKTON-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...LUVERNE...SIOUX FALLS...PARKER...CENTERVILLE...
MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...LENNOX...TEA...
HARRISBURG...YANKTON
437 AM CDT WED APR 10 2013

...WINTER STORM WARNING NOW IN EFFECT UNTIL 1 PM CDT THURSDAY...

* TIMING...OCCASIONAL LIGHT SNOW...LIGHT FREEZING RAIN...SLEET AND
  FREEZING DRIZZLE IS EXPECTED TODAY. ALTHOUGH THERE MAY BE A BREAK
  IN THE PRECIPITATION...SNOW WILL INTENSIFY THIS AFTERNOON THROUGH
  THURSDAY MORNING AND MAY BECOME MODERATE TO HEAVY AT TIMES.

* ACCUMULATIONS...ADDITIONAL ICE ACCUMULATIONS OF FIVE HUNDRETHS OF
  AN INCH OR LESS. ADDITIONAL SNOW ACCUMULATIONS OF 5 TO 10 INCHES.

* WIND AND VISIBILITY...NORTH WINDS OF 15 TO 25 MPH WILL PERSIST
  THROUGH THURSDAY. ONCE PRECIPITATION CHANGES TO ALL SNOW... THESE
  WINDS COULD PRODUCE AREAS OF BLOWING SNOW...REDUCING VISIBILITIES
  BELOW ONE MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. ICE
ACCUMULATIONS AND WINDS WILL ALSO LEAD TO SNAPPED POWER LINES AND
FALLING TREE BRANCHES THAT ADD TO THE DANGER.

&&

$$

MNZ071-072-080-097-101745-
/O.CON.KFSD.WS.W.0003.000000T0000Z-130411T1800Z/
LINCOLN-LYON-MURRAY-PIPESTONE-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...MARSHALL...SLAYTON...FULDA...PIPESTONE
437 AM CDT WED APR 10 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 1 PM CDT
THURSDAY...

* TIMING...OCCASIONAL LIGHT SNOW...LIGHT FREEZING RAIN...SLEET AND
  FREEZING DRIZZLE IS EXPECTED TODAY. ALTHOUGH THERE MAY BE A BREAK
  IN THE PRECIPITATION...SNOW WILL INTENSIFY THIS AFTERNOON THROUGH
  THURSDAY MORNING AND MAY BECOME MODERATE TO HEAVY AT TIMES.

* ACCUMULATIONS...ADDITIONAL ICE ACCUMULATIONS OF 5 HUNDRETHS OF AN
  INCH OR LESS. ADDITIONAL SNOW ACCUMULATIONS AVERAGING 7 TO 11
  INCHES...WITH THE HIGHEST AMOUNTS ALONG HIGHWAY 14...ARE EXPECTED
  THROUGH THURSDAY MORNING.

* WIND AND VISIBILITY...NORTHERLY WINDS WILL AVERAGE 15 TO 25 MPH
  THROUGH THURSDAY. THIS WILL CAUSE AREAS OF BLOWING SNOW...REDUCING
  VISIBILITY TO LESS THAN ONE MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

IAZ021-022-031-032-NEZ014-101745-
/O.CON.KFSD.WW.Y.0015.000000T0000Z-130411T1800Z/
CHEROKEE-BUENA VISTA-WOODBURY-IDA-DAKOTA-
INCLUDING THE CITIES OF...CHEROKEE...STORM LAKE...SIOUX CITY...
IDA GROVE...HOLSTEIN...BATTLE CREEK...SOUTH SIOUX CITY
437 AM CDT WED APR 10 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT
THURSDAY...

* TIMING...OCCASIONAL LIGHT FREEZING RAIN...SLEET AND FREEZING
  DRIZZLE IS EXPECTED TODAY. ALTHOUGH THERE MAY BE A BREAK IN THE
  PRECIPITATION...SNOW WILL INTENSIFY THIS AFTERNOON THROUGH
  THURSDAY MORNING AND MAY BECOME MODERATE TO HEAVY AT TIMES.

* ACCUMULATIONS...SLEET AND SNOWFALL ACCUMULATIONS OF 2 TO 5 INCHES.
  ICE ACCUMULATIONS OF TWO TENTHS OF AN INCH OR LESS.

* WIND AND VISIBILITY...NORTH WINDS OF 15 TO 25 MPH WILL PERSIST
  THROUGH THURSDAY. ONCE PRECIPITATION CHANGES TO ALL SNOW...THESE
  WINDS COULD PRODUCE AREAS OF BLOWING SNOW REDUCING VISIBILITIES
  BELOW ONE MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$
040 
WWUS43 KFSD 101154
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
654 AM CDT WED APR 10 2013

IAZ002-003-012-013-020-MNZ081-089-090-NEZ013-SDZ070-071-102000-
/O.EXP.KFSD.IS.W.0001.000000T0000Z-130410T1200Z/
/O.CON.KFSD.WS.W.0003.130410T1200Z-130411T1800Z/
OSCEOLA-DICKINSON-SIOUX-OBRIEN-PLYMOUTH-COTTONWOOD-NOBLES-JACKSON-
DIXON-CLAY-UNION-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...
SANBORN...LE MARS...WINDOM...MOUNTAIN LAKE...WORTHINGTON...
JACKSON...LAKEFIELD...WAKEFIELD...PONCA...ALLEN...VERMILLION...
NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON
654 AM CDT WED APR 10 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 1 PM CDT
THURSDAY...
...ICE STORM WARNING WILL EXPIRE AT 7 AM CDT THIS MORNING...

* TIMING...OCCASIONAL FREEZING DRIZZLE AND LIGHT FREEZING RAIN WILL
  MIX WITH SLEET AT TIMES THROUGH THIS AFTERNOON. PRECIPITATION IS
  EXPECTED TO INTENSIFY THIS AFTERNOON AND BECOME ENTIRELY SNOW THIS
  EVENING THROUGH THE EARLY MORNING HOURS THURSDAY. SNOW MAY BECOME
  MODERATE TO HEAVY AT TIMES AND CONTINUE INTO THURSDAY.

* ACCUMULATIONS...ADDITIONAL ICE ACCUMULATIONS OF UP TO TWO TENTHS OF
  AN INCH WILL BE POSSIBLE WITH THE HIGHEST AMOUNTS IN NORTHWEST IOWA.
  SNOWFALL ACCUMULATIONS ARE EXPECTED TO AVERAGE 4 TO 9 INCHES WITH
  THE HIGHEST AMOUNTS ACROSS SOUTHWEST MINNESOTA.

* WIND AND VISIBILITY...NORTH WINDS OF 15 TO 25 MPH WILL PERSIST
  THROUGH THURSDAY. ONCE PRECIPITATION CHANGES TO ALL SNOW... THESE
  WINDS COULD PRODUCE AREAS OF BLOWING SNOW...REDUCING VISIBILITIES
  BELOW ONE MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF
SNOW...SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE
ALSO POSSIBLE.  THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

SDZ050-052-057-058-063-064-102000-
/O.CON.KFSD.WS.W.0003.000000T0000Z-130411T1200Z/
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
654 AM CDT WED APR 10 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM CDT
THURSDAY...

* TIMING...OCCASIONAL LIGHT SNOW AND FREEZING DRIZZLE IS EXPECTED
  TODAY. SNOWFALL IS EXPECTED TO INTENSIFY THIS AFTERNOON
  THROUGH TONIGHT AND MAY BECOME MODERATE TO HEAVY AT TIMES.

* ACCUMULATIONS...ADDITIONAL SNOW ACCUMULATIONS OF 4 TO 8 INCHES 
  TODAY AND TONIGHT. 

* WIND AND VISIBILITY...NORTHERLY WINDS WILL AVERAGE 15 TO 25 MPH
  THROUGH THURSDAY...PRODUCING AREAS OF BLOWING SNOW. VISIBILITY MAY
  BE REDUCED TO LESS THAN ONE MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

SDZ038>040-053>056-059>061-065-068-102000-
/O.CON.KFSD.WS.W.0003.000000T0000Z-130411T1800Z/
BEADLE-KINGSBURY-BROOKINGS-SANBORN-MINER-LAKE-MOODY-DAVISON-
HANSON-MCCOOK-HUTCHINSON-BON HOMME-
INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...BROOKINGS...WOONSOCKET...HOWARD...MADISON...
FLANDREAU...MITCHELL...ALEXANDRIA...EMERY...SALEM...CANISTOTA...
BRIDGEWATER...MONTROSE...PARKSTON...FREEMAN...MENNO...TRIPP...
TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR
654 AM CDT WED APR 10 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 1 PM CDT
THURSDAY...

* TIMING...OCCASIONAL LIGHT SNOW AND FREEZING DRIZZLE IS EXPECTED
  TODAY. PRECIPITATION IS EXPECTED TO INTENSIFY THIS AFTERNOON
  THROUGH THURSDAY MORNING...WITH SNOWFALL BECOMING MODERATE TO HEAVY
  AT TIMES. SLEET MAY ALSO MIX WITH SNOW AT TIMES.

* ACCUMULATIONS...ADDITIONAL SLEET AND SNOW ACCUMULATIONS 
  AVERAGING 5 TO 8 INCHES SOUTH OF INTERSTATE 90 AND 7 TO 10 
  INCHES NORTH OF INTERSTATE 90 THROUGH THURSDAY. 

* WIND AND VISIBILITY...NORTHERLY WINDS WILL AVERAGE 15 TO 25 MPH
  THROUGH THURSDAY...PRODUCING AREAS OF BLOWING SNOW. VISIBILITIES
  MAY BE REDUCED TO LESS THAN ONE MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO EXPECTED. THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

IAZ014-102000-
/O.CON.KFSD.WS.W.0003.130410T1200Z-130411T1800Z/
CLAY-
INCLUDING THE CITY OF...SPENCER
654 AM CDT WED APR 10 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 1 PM CDT
THURSDAY...

* TIMING...OCCASIONAL FREEZING DRIZZLE AND LIGHT FREEZING RAIN WILL
  MIX WITH SLEET AT TIMES THROUGH THIS AFTERNOON. THE PRECIPITATION
  IS EXPECTED TO INTENSIFY THIS AFTERNOON AND BECOME ENTIRELY SNOW BY
  LATE TONIGHT. SNOW MAY BECOME MODERATE TO HEAVY AT TIMES AND
  CONTINUE INTO THURSDAY.

* ACCUMULATIONS...ADDITIONAL ICE ACCUMULATIONS OF UP TO A 
  QUARTER INCH WILL BE POSSIBLE THROUGH TONIGHT. 2 TO 6 INCHES 
  OF SNOW AND SLEET IS POSSIBLE THROUGH THURSDAY. 

* WIND AND VISIBILITY...NORTH WINDS OF 15 TO 25 MPH WILL PERSIST
  THROUGH THURSDAY. ONCE PRECIPITATION CHANGES TO ALL SNOW...THESE
  WINDS COULD PRODUCE AREAS OF BLOWING SNOW...REDUCING VISIBILITIES
  BELOW ONE MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE.  THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MNZ071-072-080-097-102000-
/O.CON.KFSD.WS.W.0003.000000T0000Z-130411T1800Z/
LINCOLN-LYON-MURRAY-PIPESTONE-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...MARSHALL...SLAYTON...FULDA...PIPESTONE
654 AM CDT WED APR 10 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 1 PM CDT
THURSDAY...

* TIMING...OCCASIONAL LIGHT SNOW...LIGHT FREEZING RAIN...SLEET AND
  FREEZING DRIZZLE IS EXPECTED TODAY. PRECIPITATION WILL INTENSIFY
  AND BECOME PRIMARILY SNOW THIS AFTERNOON THROUGH THURSDAY
  MORNING...BECOMING MODERATE TO HEAVY AT TIMES.

* ACCUMULATIONS...ADDITIONAL ICE ACCUMULATIONS OF FIVE HUNDREDTHS OF
  AN INCH OR LESS. ADDITIONAL SNOW ACCUMULATIONS AVERAGING 7 TO 11
  INCHES...WITH THE HIGHEST AMOUNTS ALONG HIGHWAY 14...ARE EXPECTED
  THROUGH THURSDAY MORNING.

* WIND AND VISIBILITY...NORTHERLY WINDS WILL AVERAGE 15 TO 25 MPH
  THROUGH THURSDAY...CAUSING AREAS OF BLOWING SNOW...AND REDUCING
  VISIBILITY TO LESS THAN ONE MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

IAZ001-MNZ098-SDZ062-066-067-069-102000-
/O.CON.KFSD.WS.W.0003.000000T0000Z-130411T1800Z/
LYON-ROCK-MINNEHAHA-TURNER-LINCOLN-YANKTON-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...LUVERNE...SIOUX FALLS...PARKER...CENTERVILLE...
MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...LENNOX...TEA...
HARRISBURG...YANKTON
654 AM CDT WED APR 10 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 1 PM CDT
THURSDAY...

* TIMING...OCCASIONAL LIGHT SNOW...LIGHT FREEZING RAIN...SLEET AND
  FREEZING DRIZZLE IS EXPECTED TODAY. PRECIPITATION WILL BECOME
  MAINLY SNOWFALL AND INTENSIFY THIS AFTERNOON THROUGH THURSDAY
  MORNING. SNOWFALL MAY BECOME MODERATE TO HEAVY AT TIMES.

* ACCUMULATIONS...ADDITIONAL ICE ACCUMULATIONS OF FIVE HUNDREDTHS 
  OF AN INCH OR LESS. ADDITIONAL SNOW ACCUMULATIONS OF 5 TO 10 
  INCHES. 

* WIND AND VISIBILITY...NORTH WINDS OF 15 TO 25 MPH WILL PERSIST 
  THROUGH THURSDAY. ONCE PRECIPITATION CHANGES TO ALL SNOW... 
  THESE WINDS COULD PRODUCE AREAS OF BLOWING SNOW...REDUCING 
  VISIBILITIES BELOW ONE MILE AT TIMES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. ICE
ACCUMULATIONS AND WINDS WILL ALSO LEAD TO SNAPPED POWER LINES AND
FALLING TREE BRANCHES THAT ADD TO THE DANGER.

&&

$$

IAZ021-022-031-032-NEZ014-102000-
/O.CON.KFSD.WW.Y.0015.000000T0000Z-130411T1800Z/
CHEROKEE-BUENA VISTA-WOODBURY-IDA-DAKOTA-
INCLUDING THE CITIES OF...CHEROKEE...STORM LAKE...SIOUX CITY...
IDA GROVE...HOLSTEIN...BATTLE CREEK...SOUTH SIOUX CITY
654 AM CDT WED APR 10 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT
THURSDAY...

* TIMING...OCCASIONAL LIGHT FREEZING RAIN...SLEET AND FREEZING
  DRIZZLE IS EXPECTED TODAY. PRECIPITATION WILL INTENSIFY THIS
  AFTERNOON AND BECOME MAINLY SNOWFALL OVERNIGHT. SNOW MAY BECOME
  MODERATE AT TIMES.

* ACCUMULATIONS...SLEET AND SNOWFALL ACCUMULATIONS OF 2 TO 5 
  INCHES. ICE ACCUMULATIONS OF TWO TENTHS OF AN INCH OR LESS. 

* WIND AND VISIBILITY...NORTH WINDS OF 15 TO 25 MPH WILL PERSIST
  THROUGH THURSDAY. ONCE PRECIPITATION CHANGES TO ALL SNOW... THESE
  WINDS COULD PRODUCE AREAS OF BLOWING SNOW...REDUCING VISIBILITIES
  BELOW ONE MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

What forecasters said that day

The local office's own words before this ice 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 ice storm warning went out at Apr 9, 9:19 AM CDT, 2 hours 24 minutes earlier.

Area forecast discussion, Apr 9, 9:19 AM CDT, 2 hours 24 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SIOUX FALLS SD
919 AM CDT TUE APR 9 2013

.UPDATE...
ISSUED AT 912 AM CDT TUE APR 9 2013

MADE SOME QUICK UPDATES TO THE FORECAST. RADAR TRENDS AS WELL AS
MODEL SOUNDINGS CONTINUE TO SUGGEST A PERIOD OF LITTLE OR NO
WEATHER FOR THE SOUTHERN HALF OF THE CWA...OTHER THAN FOG AND
DRIZZLE OR FREEZING DRIZZLE...FROM LATE MORNING INTO MID
AFTERNOON. THE BETTER FORCING WILL NOW SIT OVER THE NORTHERN CWA
AS THE WAVE MOVES BY AND IN THIS AREA...OTHER THAN PARTS OF
SOUTHWEST MINNESOTA...MAINLY SNOW SHOULD FALL. LATEST DUAL POL
DATA SHOWS THE FREEZING LEVEL AROUND 2500 FEET WITH THE NORTHERN
COUNTIES DEEPER INTO THE COLD AIR. MAY NEED TO ADD A HANDFUL OF
NORTHWEST IOWA COUNTIES TO THE WARNING AS THE COLD AIR IS A LITTLE
FARTHER EAST TONIGHT AND IF THE EXPECTED PRECIPITATION SHIELD
LIFTS NORTH AS EXPECTED TEMPERATURES ALOFT STILL SUPPORT LIQUID
WHILE TEMPERATURES AT THE SURFACE WILL BE AT OR BELOW FREEZING.
THIS WILL LIKELY MEAN A BETTER CHANCE FOR FREEZING RAIN OR SLEET
FROM ABOUT YANKTON TO SIOUX FALLS EAST TO JACKSON SPENCER IOWA AND
SOUTH TO ABOUT ORANGE CITY WHERE AN ADDITIONAL QUARTER TO HALF AN
INCH OF ICE WILL BE POSSIBLE.

&&

.SHORT TERM...(TODAY AND TONIGHT)
ISSUED AT 559 AM CDT TUE APR 9 2013

LARGE AREA OF PRECIPITATION HAS MOVED INTO THE FORECAST AREA.
QUITE A VARIETY OF WEATHER...WITH FREEZING RAIN PREVALENT IN OUR
ZONES WHERE SURFACE TEMPERATURES ARE BELOW FREEZING...RAIN WHERE
IT IS ABOVE FREEZING. AND IN OUR WESTERN ZONES...A MIX OF
SNOW...SLEET AND EVEN SOME FREEZING RAIN. AS THE DAY PROGRESSES...
TEMPERATURES WILL CONTINUE TO COOL NEAR THE SURFACE CREATING A
DEEPER LAYER OF COOL AIR. THEREFORE IT IS ANTICIPATED THAT THE
FREEZING RAIN POTENTIAL WILL GRADUALLY CHANGEOVER TO MORE OF A
SLEET THREAT...WITH SNOW PREVALENT IN OUR FAR WESTERN ZONES. MUCH
OF NORTHWEST IOWA SHOULD STAY ABOVE FREEZING THROUGH THE DAY
KEEPING THE WINTRY MIX AT BAY. TONIGHT...THE WARM AIR BUBBLE ALOFT
FROM 800 TO 750MB WHERE GRADUALLY ERODE FROM WEST TO EAST. THIS
WILL VERY SLOWLY CHANGE THE PRECIPITATION THREAT OVER FROM A
WINTRY MIX TO SNOW PROCEEDING EASTWARD THROUGH OUR ZONES. WARM AIR
ADVECTION AND POSITIVE THETAE ADVECTION IS A HUGE DRIVER OF OUR
PRECIPITATION TODAY...AS FRONTOGENESIS IS RATHER DISJOINTED AND
FAIRLY UNORGANIZED. THAT SAID...MODEL SOUNDINGS DO SHOW QUITE A
BIT OF INSTABILITY ALOFT COUPLED WITH SOME NEGATIVE EPV IN THE MID
LEVELS THROUGH OUR ENTIRE FORECAST AREA TODAY AND TONIGHT. THIS
SHOULD ALSO HELP TO INDUCE PRECIPITATION...AT LEAST PERIODICALLY
WHENEVER A WARM AIR ADVECTION BUBBLE DECIDES TO MOVE IN.

HAVE UPGRADED SOME AREAS SUCH AS THE SIOUX FALLS VICINITY FROM AN
ADVISORY/WATCH TO A WARNING. THIS IS BECAUSE THE AFOREMENTIONED
AREA OF FREEZING RAIN IS CURRENTLY INTENSE...AND WILL CREATE QUITE
A GLAZE ON UNTREATED SURFACES BEFORE IT CHANGES OVER TO SLEET. THE
CURRENT WARNING IN OUR NORTHERN AND WESTERN ZONES STILL LOOKED
GOOD. DECIDED TO INCLUDE WORTHINGTON AND WINDOM IN A WINTER STORM
WATCH FOR TONIGHT THROUGH WEDNESDAY NIGHT...AND EXTENDED MANY
HEADLINES EVERYWHERE IN TIME. DEEPER INTO SOUTHWEST
MINNESOTA...RELATIVELY WARM AIR AT THE SURFACE KEEPS ADVECTING
INTO AREAS SUCH AS WINDOM AND WORTHINGTON...EXTENDING SOUTHWARD
THROUGH MUCH OF NORTHWEST IOWA. KNOWING THIS...WAS VERY HESITANT
TO ISSUE A WARNING FOR THOSE AREAS YET BECAUSE THERE IS A TON OF
UNCERTAINTY WHEN THE PRECIPITATION TONIGHT WILL CHANGEOVER TO
SNOW...IF AT ALL IN THOSE AREAS. AND IF THE PRIMARY PRECIPITATION
TYPE WOULD BE SLEET TONIGHT... IT ACTUALLY MAY NOT BE WORTHY OF A
WARNING.

.LONG TERM...(WEDNESDAY THROUGH MONDAY)
ISSUED AT 559 AM CDT TUE APR 9 2013

THE SYSTEM LIFTS DEEPER INTO THE PLAINS ON WEDNESDAY AND THURSDAY.
QG FORCING LIFTS THE CRUX OF THE UPPER LOW TO THE SOUTHEAST OF OUR
FORECAST AREA...WITH INSTABILITY STILL ABUNDANT ON WEDNESDAY AND
WEDNESDAY EVENING IN OUR ENTIRE FORECAST AREA. FURTHERMORE AS THE
ACTUAL WAVE GETS CLOSER...PV AT THE 1.5 SURFACE NUDGES UP FROM THE
SOUTH AND BECOMES RATHER STRONG AND STATIONARY WEDNESDAY AND
WEDNESDAY NIGHT...LINGERING INTO THURSDAY IN OUR NORTHEAST ZONES.
PRECIPITATION SHOULD BE PRIMARILY ALL SNOW BY WEDNESDAY...EXCEPT IN
PARTS OF NORTHWEST IOWA WHERE STUBBORN WARM AIR ALOFT HANGS ON A
BIT LONGER. TROWALING IS NOT SIGNIFICANT WITH THIS SYSTEM...BUT
THIS FEATURE IS OVERCOME BY THE STRONG DYNAMICS PRESENT AND
INSTABILITY. THEREFORE WOULD NOT BE SURPRISED TO SEE SOME LIGHT
ACCUMULATING SNOW LINGER RIGHT INTO THURSDAY. STRONG WINDS WILL
MAKE THINGS EVEN MORE TREACHEROUS. AT ANY RATE THROUGHOUT OUR
ZONES IN SOUTH DAKOTA AND SOUTHWEST MINNESOTA...THIS COULD LIKELY
TURN OUT TO BE ONE OF THE MORE SIGNIFICANT WINTER STORMS WE HAVE
HAD IN QUITE SOME TIME WHEN ONE CONSIDERS SNOW POTENTIAL...SLEET
AND FREEZING RAIN AND WINDS.

FOR NOW...HAVE AROUND 16 INCHES OF SNOW FORECAST FOR OUR ZONES IN
CENTRAL SD LIKE AROUND CHAMBERLAIN AND HURON. GIVEN THE LATEST
DATA...WAS ALSO FORCED TO RAISE SNOW AMOUNTS FROM BROOKINGS TO
MARSHALL IN A RATHER BIG WAY DUE TO THE SNOW EXPECTED IN THESE
AREAS WEDNESDAY AND WEDNESDAY EVENING. ALSO RAISED SNOW AMOUNTS
SOMEWHAT FOR SIOUX FALLS AND SIOUX CITY.

&&

.AVIATION...(FOR THE 12Z TAFS THROUGH 12Z WEDNESDAY MORNING)
ISSUED AT 637 AM CDT TUE APR 9 2013

WIDESPREAD CEILIGNS BLO 1K FEET AND VISIBILITIES BELOW 3SM IN SNOW
SLEET AND FREEZING RAIN THROUGH FORECAST PERIOD...WITH THE SNOW
MOSTLY NORTHWEST OF A DE SMET TO PICKSTOWN LINE...EXCEPT
PRECIPITATION AS RAIN AND THUNDERSTORMS FROM SUX TO MJQ AND
SOUTHEAST WHERE VISIBILITIES WILL BE MOSTLY 3-6SM.

&&

.FSD WATCHES/WARNINGS/ADVISORIES...
SD...WINTER WEATHER ADVISORY UNTIL 7 PM CDT THIS EVENING FOR SDZ069-
     070.

     WINTER STORM WARNING UNTIL 1 AM CDT THURSDAY FOR SDZ038>040-
     053>056-059>062-065>068.

     WINTER STORM WATCH FROM 7 PM CDT THIS EVENING THROUGH LATE
     WEDNESDAY NIGHT FOR SDZ069-070.

     WINTER STORM WARNING UNTIL 7 PM CDT WEDNESDAY FOR SDZ050-052-057-
     058-063-064.

MN...WINTER WEATHER ADVISORY UNTIL 7 PM CDT THIS EVENING FOR MNZ089.

     WINTER STORM WARNING UNTIL 1 AM CDT THURSDAY FOR MNZ098.

     WINTER STORM WATCH FROM 7 PM CDT THIS EVENING THROUGH LATE
     WEDNESDAY NIGHT FOR MNZ081-089.

     WINTER STORM WARNING UNTIL 1 PM CDT THURSDAY FOR MNZ071-072-080-
     097.

IA...WINTER STORM WARNING UNTIL 1 AM CDT THURSDAY FOR IAZ001.

NE...NONE.
&&

UPDATE...08
SHORT TERM...MJF
LONG TERM...MJF
AVIATION...
Hazardous weather outlook, Apr 9, 5:58 AM CDT, 5 hours 45 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SIOUX FALLS SD
558 AM CDT TUE APR 09 2013

SDZ038>040-050-052>071-MNZ071-072-080-081-089-090-097-098-
IAZ001>003-012>014-020>022-031-032-NEZ013-014-101200-
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-
558 AM CDT TUE APR 09 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST SOUTH DAKOTA...
SOUTHWEST MINNESOTA...NORTHWEST IOWA...AND NORTHEAST NEBRASKA.

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS...
EMBEDDED THUNDERSTORMS IN RAINFALL WILL LIKELY OCCUR TODAY IN
NORTHWEST IOWA AND IMMEDIATE ADJACENT AREAS. STORMS ARE NOT
EXPECTED TO BE SEVERE.

WINTER WEATHER...
A MAJOR WINTER STORM WILL BEGIN TO TAKE SHAPE TODAY. A WINTRY MIX
OF SLEET AND FREEZING RAIN WILL OCCUR OVER MANY AREAS TODAY AND
TONIGHT. AN AREA OF CONCERN FOR SIGNIFICANT ICING OF AMOUNTS OF A
QUARTER OF AN INCH OR MORE IS ALONG AN AREA FROM NEAR
MITCHELL...TO SIOUX FALLS...BROOKINGS AND INTO THE NORTHERN
SECTIONS OF SOUTHWEST MINNESOTA. WITH WARMER
TEMPERATURES...LIGHTER AMOUNTS OF ICING WILL OCCUR FOR AREAS TO
THE EAST AND SOUTH. BUT RAINFALL IN THOSE AREAS WILL SLOWLY
CHANGE TO A WINTRY MIX EITHER LATE TODAY AND TONIGHT...SUCH AS IN
NORTHWEST IOWA. TO THE WEST...UP TO SIX INCHES OF SNOW WILL FALL
FROM HURON TO GREGORY SOUTH DAKOTA. LIGHTER SNOW AMOUNTS DUE TO
THE WINTRY MIX WILL OCCUR EASTWARD FROM THERE.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

AS THE STORM SLOWLY MOVES EASTWARD WEDNESDAY THROUGH
THURSDAY...THE PRECIPITATION WILL BE EITHER SNOW...OR CHANGE TO
SNOW ON WEDNESDAY. VERY SIGNIFICANT AMOUNTS OF 10 TO 16 INCHES
ARE EXPECTED FROM EAST CENTRAL TO SOUTH CENTRAL SOUTH DAKOTA.
AMOUNTS WILL THEN TAPER OFF HEADING TO THE EAST. WIND SPEEDS WILL
ALSO AVERAGE 25 TO 35 MPH WHICH WILL CREATE WIDESPREAD 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.

In the hours before

Local storm report, Apr 9, 10:57 AM CDT, 46 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1057 AM CDT TUE APR 09 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1045 AM     SNOW             HURON                   44.36N 98.22W
04/09/2013  M4.0 INCH        BEADLE             SD   OFFICIAL NWS OBS

            2.5 INCHES OF ADDITIONAL SNOWFALL SINCE THE 1.5 AT 7 AM
            THIS MORNING.

&&

TRM
Local storm report, Apr 9, 10:59 AM CDT, 44 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1059 AM CDT TUE APR 9 2013

...TIME...  ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
...DATE...  ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1050 AM     ICE STORM        2 N SIOUX FALLS         43.57N 96.73W
04/09/2013  M0.5 INCH        MINNEHAHA          SD   NWS EMPLOYEE

            TREES AND OTHER EXPOSED SURFACES COATED WITH
            ICE AT THE WFO.

&&

IRIS SYSTEM
Local storm report, Apr 9, 11:08 AM CDT, 35 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1108 AM CDT TUE APR 9 2013

...TIME...  ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
...DATE...  ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1105 AM     ICE STORM        TABOR                   42.95N 97.66W
04/09/2013  M0.3 INCH        BON HOMME          SD   PUBLIC

            TREES AND OTHER EXPOSED SURFACES ARE ICE
            COATED.

&&

IRIS SYSTEM
Local storm report, Apr 9, 11:14 AM CDT, 29 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1114 AM CDT TUE APR 9 2013

...TIME...  ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
...DATE...  ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0900 AM     SNOW             GREGORY                 43.23N 99.43W
04/09/2013  M5.2 INCH        GREGORY            SD   TRAINED SPOTTER

&&

IRIS SYSTEM
Local storm report, Apr 9, 11:19 AM CDT, 24 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1119 AM CDT TUE APR 9 2013

...TIME...  ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
...DATE...  ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0930 AM     SNOW             BURKE                   43.18N 99.29W
04/09/2013  M3.0 INCH        GREGORY            SD   PUBLIC

&&

IRIS SYSTEM
Local storm report, Apr 9, 11:25 AM CDT, 18 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1125 AM CDT TUE APR 9 2013

...TIME...  ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
...DATE...  ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1105 AM     ICE STORM        TABOR                   42.95N 97.66W
04/09/2013  M0.3 INCH        BON HOMME          SD   PUBLIC

            TREES AND OTHER EXPOSED SURFACES ARE ICE
            COATED.

1050 AM     ICE STORM        2 N SIOUX FALLS         43.57N 96.73W
04/09/2013  M0.5 INCH        MINNEHAHA          SD   NWS EMPLOYEE

            TREES AND OTHER EXPOSED SURFACES COATED WITH
            ICE AT THE WFO.

1045 AM     ICE STORM        6 NE AVON               43.07N 97.98W
04/09/2013  E0.7 INCH        BON HOMME          SD   PUBLIC

            TREES, POWER LINES AND OTHER EXPOSED
            SURFACES ARE ICE COVERED.

1045 AM     SNOW             HURON                   44.36N 98.22W
04/09/2013  M4.0 INCH        BEADLE             SD   OFFICIAL NWS OBS

            2.5 INCHES OF ADDITIONAL SNOWFALL SINCE THE
            1.5 AT 7 AM THIS MORNING.

1021 AM     FREEZING RAIN    WESTBROOK               44.04N 95.43W
04/09/2013  E0.25 INCH       COTTONWOOD         MN   PUBLIC

            0.40 INCH OF RAIN.

1005 AM     SNOW             WOONSOCKET              44.05N 98.27W
04/09/2013  E2.5 INCH        SANBORN            SD   PUBLIC

0940 AM     SLEET            HOWARD                  44.01N 97.52W
04/09/2013  M2.2 INCH        MINER              SD   COOP OBSERVER

            SLEET DURATION 24 HOURS

0930 AM     SNOW             BURKE                   43.18N 99.29W
04/09/2013  M3.0 INCH        GREGORY            SD   PUBLIC

0925 AM     ICE STORM        4 S SIOUX FALLS         43.49N 96.73W
04/09/2013                   LINCOLN            SD   NWS EMPLOYEE

            1 INCH ICE ACCUMULATION PRODUCING TREE
            DAMAGE.

0925 AM     ICE STORM        4 SE SIOUX FALLS        43.50N 96.67W
04/09/2013                   MINNEHAHA          SD   NWS EMPLOYEE

            1 INCH ICE ACCUMULATION PRODUCING TREE
            DAMAGE.

0922 AM     SNOW             3 SW HURON              44.33N 98.26W
04/09/2013  E3.8 INCH        BEADLE             SD   PUBLIC

0918 AM     SNOW             5 N IROQUOIS            44.44N 97.85W
04/09/2013  E2.6 INCH        KINGSBURY          SD   PUBLIC

0915 AM     SNOW             5 W WOLSEY              44.41N 98.58W
04/09/2013  E3.4 INCH        BEADLE             SD   PUBLIC

0907 AM     SNOW             WOONSOCKET              44.05N 98.27W
04/09/2013  E4.0 INCH        SANBORN            SD   EMERGENCY MNGR

            ARTESIAN WITHOUT POWER. SOME ICE WITH SNOW.
            POOR VISIBILITY.

0907 AM     SNOW             4 N CURRIE              44.13N 95.67W
04/09/2013  M2.5 INCH        MURRAY             MN   TRAINED SPOTTER

0900 AM     SNOW             WESSINGTON SPRINGS      44.08N 98.57W
04/09/2013  E2.0 INCH        JERAULD            SD   EMERGENCY MNGR

0830 AM     SNOW             MITCHELL                43.73N 98.03W
04/09/2013  M1.2 INCH        DAVISON            SD   CO-OP OBSERVER

0830 AM     SNOW             CHAMBERLAIN             43.81N 99.32W
04/09/2013  E5.0 INCH        BRULE              SD   LAW ENFORCEMENT

0830 AM     SNOW             NE PLATTE               43.39N 98.84W
04/09/2013  E2.5 INCH        CHARLES MIX        SD   CO-OP OBSERVER

            PRECEDED BY MINOR ICING.

0830 AM     SNOW             1 WNW GREGORY           43.24N 99.43W
04/09/2013  E2.8 INCH        GREGORY            SD   CO-OP OBSERVER

            FREEZING RAIN/SLEET PRIOR TO SNOW. ICE
            ACCUMULATION MINOR.

0830 AM     SNOW             13 WNW PLATTE           43.49N 99.06W
04/09/2013  E2.0 INCH        CHARLES MIX        SD   CO-OP OBSERVER

0830 AM     FREEZING RAIN    13 WNW PLATTE           43.49N 99.06W
04/09/2013  E0.20 INCH       CHARLES MIX        SD   TRAINED SPOTTER

0755 AM     SNOW             PICKSTOWN               43.07N 98.53W
04/09/2013  M2.8 INCH        CHARLES MIX        SD   CO-OP OBSERVER

&&

The office that day

Everything else NWS Sioux Falls, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 8, 8:27 PM CDTWinter Weather AdvisoryFSDLyon15 hr
Apr 9, 5:25 PM CDTSevere Thunderstorm WarningFSDBuena Vista, Cherokee35 min
Apr 9, 5:46 PM CDTSevere Thunderstorm WarningFSDCherokee, Plymouth29 min
Apr 9, 5:48 PM CDTWinter Weather AdvisoryFSDBuena Vista, Cherokee, Clay, Ida, Woodbury37 hr

Nearby

Ice Storm Warnings in Iowa, 2013Ice Storm Warnings in Minnesota, 2013Ice Storm Warnings in South Dakota, 2013Every ice storm warning in 2013

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.