Alert archive / Iowa / Winter Storm Warnings in 2013

Winter Storm Warning 2, NWS Sioux Falls, SD

March 10, 20135 counties in Iowa; Dakota County, Nebraska

NWS Sioux Falls, SD issued this winter storm warning at Mar 10, 2013, 2:32 PM CDT for 5 counties in Iowa; Dakota County, Nebraska. It was in force for 11 hr. 18 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Mar 10, 2013, 2:32 PM CDT (19:32 UTC)
Expired
Mar 11, 2013, 2:00 AM CDT
In force
11 hr
Issued by
NWS Sioux Falls, SD

Counties Buena Vista County, IA, Cherokee County, IA, Clay County, IA, Ida County, IA, Woodbury County, IA, Dakota County, NE

The radar

The Sioux Falls radar (KFSD), 137 km from the middle of the area, began a volume at 19:34 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

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

What was reported inside it

TimeReportWhereRemark
Mar 10, 3:58 PM CDTSNOW 3Peterson, IA
Mar 10, 4:15 PM CDTSNOW 54 Ne Battle Creek, IA
Mar 10, 4:15 PM CDTSNOW 5Cherokee, IA
Mar 10, 4:20 PM CDTSNOW 4Storm Lake, IA
Mar 10, 4:30 PM CDTSNOW 4Wnw Everly, IA
Mar 10, 4:43 PM CDTSNOW 62 N Sioux City, IA
Mar 10, 5:05 PM CDTSNOW 7.8Sioux City, IASTORM TOTAL SO FAR
Mar 10, 5:56 PM CDTSNOW 7Cherokee, IA
Mar 10, 6:07 PM CDTSNOW 7.54 E Sioux Rapids, IASTILL SNOWING HEAVILY
Mar 10, 7:03 PM CDTSNOW 8.3Sioux City, IASTILL SNOWING
Mar 10, 8:36 PM CDTSNOW 10Cherokee, IA
Mar 10, 8:43 PM CDTSNOW 9Aurelia, IA
Mar 10, 8:43 PM CDTSNOW 9Moville, IA
Mar 10, 10:00 PM CDTSNOW 14Sioux Rapids, IA
Mar 10, 10:54 PM CDTSNOW 7.62 N Sioux City, IARELAYED FROM KTIV TV.
Mar 10, 11:00 PM CDTSNOW 9.5Peterson, IASTILL SNOWING
Mar 10, 11:41 PM CDTHEAVY SNOW 9.8Sioux City, IASTORM TOTAL
Mar 11, 12:00 AM CDTSNOW 113 W Oto, IASTORM TOTAL

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 7.5 hours before the alert went out and 156 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 2013-03-10Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Omaha, NE at 12:00Z on 2013-03-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 168 square meters per square second.1939587897117136Sfc1 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
538 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
168 m²/s²
0-3 km storm-relative helicity
357 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

888 
WWUS43 KFSD 101932
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
232 PM CDT SUN MAR 10 2013

IAZ014-021-022-032-110345-
/O.UPG.KFSD.WW.Y.0008.000000T0000Z-130311T0700Z/
/O.NEW.KFSD.WS.W.0002.130310T1932Z-130311T0700Z/
CLAY-CHEROKEE-BUENA VISTA-IDA-
INCLUDING THE CITIES OF...SPENCER...CHEROKEE...STORM LAKE...
IDA GROVE...HOLSTEIN...BATTLE CREEK
232 PM CDT SUN MAR 10 2013

...WINTER STORM WARNING IN EFFECT UNTIL 2 AM CDT MONDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL
2 AM CDT MONDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN
EFFECT.

* TIMING...SNOWFALL WILL CONTINUE THROUGH THIS EVENING AND
  OVERNIGHT...THEN DIMINISH AFTER MIDNIGHT. SNOWFALL RATES MAY BE
  QUITE HEAVY LATE THIS AFTERNOON AND EARLY THIS EVENING. 

* ACCUMULATIONS...ADDITIONAL ACCUMULATIONS OF 2 AND A HALF TO 4
  AND A HALF INCHES ARE LIKELY. THE HEAVIER AMOUNTS WILL BE AROUND
  THE STORM LAKE AREA.

* WIND AND VISIBILITY...NORTH WINDS WILL CONTINUE AT 20 TO 35 MPH
  FOR THE AFTERNOON...AND WILL STILL REMAIN QUITE STRONG THIS
  EVENING BEFORE SUBSIDING AFTER MIDNIGHT. VISIBILITIES WILL BE
  GREATLY REDUCED THIS AFTERNOON AND EVENING IN BLOWING SNOW...TO
  AT OR LESS THAN A HALF MILE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR MODERATE TO HEAVY SNOW AND WIND MEANS
SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING.
SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL
DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP
AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF
AN EMERGENCY.

&&

$$

IAZ031-110300-
/O.UPG.KFSD.WW.Y.0008.000000T0000Z-130311T0200Z/
/O.NEW.KFSD.WS.W.0002.130310T1932Z-130311T0300Z/
WOODBURY-
INCLUDING THE CITY OF...SIOUX CITY
232 PM CDT SUN MAR 10 2013

...WINTER STORM WARNING IN EFFECT UNTIL 10 PM CDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT
UNTIL 10 PM CDT THIS EVENING. THE WINTER WEATHER ADVISORY IS NO
LONGER IN EFFECT.

* TIMING...SNOWFALL WILL CONTINUE THROUGH THIS EVENING. SNOWFALL
  RATES MAY BE QUITE HEAVY LATE THIS AFTERNOON AND EARLY THIS
  EVENING.

* ACCUMULATIONS...ADDITIONAL ACCUMULATIONS OF AROUND TWO AND A
  HALF INCHES ARE QUITE POSSIBLE...ON TOP OF THE SNOW WHICH HAS
  ALREADY FALLEN. 

* WIND AND VISIBILITY...NORTH WINDS WILL CONTINUE AT 20 TO 35 MPH
  FOR THE AFTERNOON...AND WILL STILL REMAIN QUITE STRONG EARLY
  THIS EVENING. VISIBILITIES WILL BE GREATLY REDUCED THIS
  AFTERNOON AND EARLY EVENING IN BLOWING SNOW...TO AT OR LESS THAN
  A HALF MILE IN OPEN AREAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR MODERATE TO HEAVY SNOW AND WIND MEANS
SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING.
SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL
DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP
AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF
AN EMERGENCY.

&&

$$

NEZ014-110300-
/O.UPG.KFSD.WW.Y.0010.000000T0000Z-130310T2200Z/
/O.NEW.KFSD.WS.W.0002.130310T1932Z-130311T0300Z/
DAKOTA-
INCLUDING THE CITY OF...SOUTH SIOUX CITY
232 PM CDT SUN MAR 10 2013

...WINTER STORM WARNING IN EFFECT UNTIL 10 PM CDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT
UNTIL 10 PM CDT THIS EVENING. THE WINTER WEATHER ADVISORY IS NO
LONGER IN EFFECT.

* TIMING...SNOWFALL WILL CONTINUE THROUGH THIS EVENING. SNOWFALL
  RATES MAY BE QUITE HEAVY LATE THIS AFTERNOON AND EARLY THIS
  EVENING.

* ACCUMULATIONS...ADDITIONAL ACCUMULATIONS OF AROUND TWO AND A
  HALF INCHES ARE QUITE POSSIBLE...ON TOP OF THE SNOW WHICH HAS
  ALREADY FALLEN. 

* WIND AND VISIBILITY...NORTH WINDS WILL CONTINUE AT 20 TO 35 MPH
  FOR THE AFTERNOON...AND WILL STILL REMAIN QUITE STRONG EARLY
  THIS EVENING. VISIBILITIES WILL BE GREATLY REDUCED THIS
  AFTERNOON AND EARLY EVENING IN BLOWING SNOW...TO AT OR LESS THAN
  A HALF MILE IN OPEN AREAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR MODERATE TO HEAVY SNOW AND WIND MEANS
SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING.
SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL
DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP
AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF
AN EMERGENCY.

&&

$$

IAZ003-013-020-110300-
/O.EXT.KFSD.WW.Y.0008.000000T0000Z-130311T0300Z/
DICKINSON-OBRIEN-PLYMOUTH-
INCLUDING THE CITIES OF...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
SHELDON...HARTLEY...SANBORN...LE MARS
232 PM CDT SUN MAR 10 2013

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 10 PM CDT THIS
EVENING...

* TIMING...SNOWFALL WILL CONTINUE THIS AFTERNOON AND RIGHT INTO
  THE EVENING. 

* ACCUMULATIONS...ADDITIONAL ACCUMULATIONS OF AROUND AN INCH AND A
  HALF TO TWO AND A HALF INCHES OF SNOW.

* WIND AND VISIBILITY...NORTH WINDS WILL CONTINUE AT 20 TO 35 MPH
  FOR THE AFTERNOON...AND WILL STILL REMAIN QUITE STRONG EARLY
  THIS EVENING. VISIBILITIES WILL BE REDUCED THIS AFTERNOON AND
  EARLY EVENING IN BLOWING SNOW...TO AT OR LESS THAN A MILE IN
  OPEN AREAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS.

&&

$$

SDZ070-102200-
/O.CON.KFSD.WW.Y.0008.000000T0000Z-130310T2200Z/
CLAY-
INCLUDING THE CITY OF...VERMILLION
232 PM CDT SUN MAR 10 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM CDT THIS
AFTERNOON...

* TIMING...PERIODS OF SNOW WILL CONTINUE TO FALL THIS AFTERNOON.

* ACCUMULATIONS...ADDITIONAL ACCUMULATIONS WILL BE MINOR... 
  GENERALLY LESS THAN AN INCH. 

* WIND AND VISIBILITY...NORTH WINDS WILL CONTINUE AT 20 TO 35 MPH
  FOR MUCH OF THE AFTERNOON. THE STRONG WINDS WILL CREATE BLOWING
  AND DRIFTING SNOW WITH REDUCED VISIBILITIES AT TIMES...ESPECIALLY
  IN OPEN AREAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS.

&&

$$

IAZ001-002-012-NEZ013-SDZ071-102200-
/O.CON.KFSD.WW.Y.0010.000000T0000Z-130310T2200Z/
LYON-OSCEOLA-SIOUX-DIXON-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...ORANGE CITY...SIOUX CENTER...WAKEFIELD...
PONCA...ALLEN...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
232 PM CDT SUN MAR 10 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM CDT THIS
AFTERNOON...

* TIMING...PERIODS OF SNOW WILL CONTINUE TO FALL THIS AFTERNOON.

* ACCUMULATIONS...ADDITIONAL ACCUMULATIONS WILL BE MINOR...
  GENERALLY AROUND AN INCH OR LESS.

* WIND AND VISIBILITY...NORTH WINDS WILL CONTINUE AT 20 TO 35 MPH
  FOR MUCH OF THE AFTERNOON. THE STRONG WINDS WILL CREATE BLOWING
  AND DRIFTING SNOW WITH REDUCED VISIBILITIES AT TIMES...ESPECIALLY
  IN OPEN AREAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS.

&&

$$
2 follow-up statements
264 
WWUS43 KFSD 102205
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
505 PM CDT SUN MAR 10 2013

IAZ002-012-SDZ071-110500-
/O.EXP.KFSD.WW.Y.0010.000000T0000Z-130310T2200Z/
/O.EXB.KFSD.WW.Y.0008.000000T0000Z-130311T0500Z/
OSCEOLA-SIOUX-UNION-
INCLUDING THE CITIES OF...SIBLEY...ORANGE CITY...SIOUX CENTER...
NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON
505 PM CDT SUN MAR 10 2013

...WINTER WEATHER ADVISORY IN EFFECT UNTIL MIDNIGHT CDT TONIGHT...
...WINTER WEATHER ADVISORY HAS EXPIRED...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT
UNTIL MIDNIGHT CDT TONIGHT.

* TIMING...PERIODS OF SNOW WILL CONTINUE TONIGHT.

* ACCUMULATIONS...ADDITIONAL ACCUMULATIONS WILL BE AROUND AN INCH OR TWO.

* WIND AND VISIBILITY...NORTH WINDS WILL CONTINUE AT 20 TO 35 MPH
  INTO THIS EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.

&&

$$

SDZ070-102315-
/O.EXP.KFSD.WW.Y.0008.000000T0000Z-130310T2200Z/
CLAY-
INCLUDING THE CITY OF...VERMILLION
505 PM CDT SUN MAR 10 2013

...WINTER WEATHER ADVISORY HAS EXPIRED...

SNOW HAS GENERALLY ENDED ACROSS THE AREA...SOME LIGHT SNOW AND AREAS
OF BLOWING SNOW ARE STILL POSSIBLE.

$$

IAZ001-NEZ013-102315-
/O.EXP.KFSD.WW.Y.0010.000000T0000Z-130310T2200Z/
LYON-DIXON-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...WAKEFIELD...PONCA...ALLEN
505 PM CDT SUN MAR 10 2013

...WINTER WEATHER ADVISORY HAS EXPIRED...

SNOW HAS GENERALLY ENDED ACROSS THE AREA...SOME LIGHT SNOW AND AREAS
OF BLOWING SNOW ARE STILL POSSIBLE.

$$

IAZ031-NEZ014-110500-
/O.EXT.KFSD.WS.W.0002.000000T0000Z-130311T0500Z/
WOODBURY-DAKOTA-
INCLUDING THE CITIES OF...SIOUX CITY...SOUTH SIOUX CITY
505 PM CDT SUN MAR 10 2013

...WINTER STORM WARNING NOW IN EFFECT UNTIL MIDNIGHT CDT
TONIGHT...

* TIMING...SNOWFALL WILL CONTINUE THROUGH THIS EVENING. SNOWFALL
  RATES MAY BE QUITE HEAVY INTO THIS EVENING.

* ACCUMULATIONS...ADDITIONAL ACCUMULATIONS OF 1 TO 3 INCHES.

* WIND AND VISIBILITY...NORTH WINDS WILL CONTINUE AT 20 TO 35 MPH
  INTO THIS EVENING. VISIBILITIES WILL BE GREATLY REDUCED THIS
  AFTERNOON AND EARLY EVENING IN BLOWING SNOW...TO AT OR LESS THAN A
  HALF MILE IN OPEN AREAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR MODERATE TO HEAVY SNOW AND WIND MEANS
SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING.
SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL
DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP
AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF
AN EMERGENCY.

&&

$$

IAZ014-021-022-032-110615-
/O.CON.KFSD.WS.W.0002.000000T0000Z-130311T0700Z/
CLAY-CHEROKEE-BUENA VISTA-IDA-
INCLUDING THE CITIES OF...SPENCER...CHEROKEE...STORM LAKE...
IDA GROVE...HOLSTEIN...BATTLE CREEK
505 PM CDT SUN MAR 10 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 2 AM CDT MONDAY...

* TIMING...SNOWFALL WILL CONTINUE THROUGH THIS EVENING AND 
  OVERNIGHT...THEN DIMINISH AFTER MIDNIGHT. SNOWFALL RATES MAY 
  BE QUITE HEAVY LATE THIS AFTERNOON AND EARLY THIS EVENING. 

* ACCUMULATIONS...ADDITIONAL ACCUMULATIONS OF 2 TO 5 INCHES ARE
  LIKELY. THE HEAVIER AMOUNTS WILL BE AROUND THE STORM LAKE AREA.

* WIND AND VISIBILITY...NORTH WINDS WILL CONTINUE AT 20 TO 35 MPH
  INTO THIS EVENING BEFORE SUBSIDING AFTER MIDNIGHT. VISIBILITIES
  WILL BE GREATLY REDUCED THIS AFTERNOON AND EVENING IN BLOWING
  SNOW...WITH WHITEOUT CONDITIONS AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR MODERATE TO HEAVY SNOW AND WIND MEANS
SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING.
SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL
DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP
AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF
AN EMERGENCY.

&&

$$

IAZ003-013-020-110500-
/O.EXT.KFSD.WW.Y.0008.000000T0000Z-130311T0500Z/
DICKINSON-OBRIEN-PLYMOUTH-
INCLUDING THE CITIES OF...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
SHELDON...HARTLEY...SANBORN...LE MARS
505 PM CDT SUN MAR 10 2013

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL MIDNIGHT CDT
TONIGHT...

* TIMING...SNOWFALL WILL CONTINUE THIS AFTERNOON AND RIGHT INTO 
  THE EVENING. 

* ACCUMULATIONS...ADDITIONAL ACCUMULATIONS OF 1 TO 3 INCHES.

* WIND AND VISIBILITY...NORTH WINDS WILL CONTINUE AT 20 TO 35 MPH
  INTO THIS EVENING. VISIBILITIES WILL BE REDUCED THIS AFTERNOON AND
  EARLY EVENING IN BLOWING SNOW...TO AT OR LESS THAN A MILE IN OPEN
  AREAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS.

&&

$$
969 
WWUS43 KFSD 110523
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1223 AM CDT MON MAR 11 2013

IAZ031-NEZ014-110630-
/O.EXP.KFSD.WS.W.0002.000000T0000Z-130311T0500Z/
WOODBURY-DAKOTA-
INCLUDING THE CITIES OF...SIOUX CITY...SOUTH SIOUX CITY
1223 AM CDT MON MAR 11 2013

...WINTER STORM WARNING HAS EXPIRED...

SNOW HAS CONTINUED TO DECREASE ACROSS THE AREA AND THUS THE
WARNING WILL BE ALLOWED TO EXPIRE.  STRONG NORTHWEST WINDS WILL
CONTINUE TO DECREASE ACROSS THE AREA MAKING BLOWING SNOW LESS OF A
THREAT AS THE MORNING WEARS ON. 

$$

IAZ002-003-012-013-020-SDZ071-110630-
/O.EXP.KFSD.WW.Y.0008.000000T0000Z-130311T0500Z/
OSCEOLA-DICKINSON-SIOUX-OBRIEN-PLYMOUTH-UNION-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...
SANBORN...LE MARS...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
1223 AM CDT MON MAR 11 2013

...WINTER WEATHER ADVISORY HAS EXPIRED...

SNOW HAS CONTINUED TO DECREASE ACROSS THE AREA AND THUS THE
ADVISORY WILL BE ALLOWED TO EXPIRE. STRONG NORTHWEST WINDS WILL
CONTINUE TO DECREASE ACROSS THE AREA MAKING BLOWING SNOW LESS OF A
THREAT AS THE MORNING WEARS ON. 

$$

IAZ014-021-022-032-110700-
/O.CON.KFSD.WS.W.0002.000000T0000Z-130311T0700Z/
CLAY-CHEROKEE-BUENA VISTA-IDA-
INCLUDING THE CITIES OF...SPENCER...CHEROKEE...STORM LAKE...
IDA GROVE...HOLSTEIN...BATTLE CREEK
1223 AM CDT MON MAR 11 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 2 AM CDT EARLY
THIS MORNING...

* TIMING...SNOWFALL WILL CONTINUE THROUGH THIS EVENING AND 
  OVERNIGHT...THEN DIMINISH AFTER MIDNIGHT. SNOWFALL RATES MAY 
  BE QUITE HEAVY LATE THIS AFTERNOON AND EARLY THIS EVENING. 

* ACCUMULATIONS...ADDITIONAL ACCUMULATIONS OF 2 TO 5 INCHES ARE 
  LIKELY. THE HEAVIER AMOUNTS WILL BE AROUND THE STORM LAKE 
  AREA. 

* WIND AND VISIBILITY...NORTH WINDS WILL CONTINUE AT 20 TO 35 
  MPH INTO THIS EVENING BEFORE SUBSIDING AFTER MIDNIGHT. 
  VISIBILITIES WILL BE GREATLY REDUCED THIS AFTERNOON AND 
  EVENING IN BLOWING SNOW...WITH WHITEOUT CONDITIONS AT TIMES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR MODERATE TO HEAVY SNOW AND WIND MEANS
SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING.
SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL
DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP
AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF
AN EMERGENCY.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 9, 7:13 PM CSTRiver Flood WarningFSDLyon14 hr
Mar 10, 9:46 AM CDTRiver Flood WarningFSDClay, Dickinson70 hr
Mar 10, 1:12 PM CDTWinter Weather AdvisoryFSDLyon, Osceola, Sioux4 hr

Nearby

Winter Storm Warnings in Iowa, 2013Winter Storm Warnings in Nebraska, 2013Every winter 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.