Alert archive / South Dakota / High Wind Watches in 2012

High Wind Watch 1, NWS Sioux Falls, SD

October 16, 201213 counties in South Dakota

NWS Sioux Falls, SD issued this high wind watch at Oct 16, 2012, 2:46 PM CDT for 13 counties in South Dakota. It took effect at Oct 18, 2012, 7:00 AM CDT. It was in force for .

The area

The counties it named.

The facts

Issued
Oct 16, 2012, 2:46 PM CDT (19:46 UTC)
In effect from
Oct 18, 2012, 7:00 AM CDT
Expired
Oct 17, 2012, 2:58 PM CDT
In force
Issued by
NWS Sioux Falls, SD

Counties Aurora County, SD, Beadle County, SD, Bon Homme County, SD, Brule County, SD, Charles Mix County, SD, Davison County, SD, Douglas County, SD, Gregory County, SD, Hanson County, SD, Hutchinson County, SD, Jerauld County, SD, Sanborn County, SD, Yankton County, SD

The radar

The Sioux Falls radar (KFSD), 126 km from the middle of the area, began a volume at 19:46 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

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

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 7.8 hours before the alert went out and 148 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, Aberdeen, SD at 12:00Z on 2012-10-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Aberdeen, SD at 12:00Z on 2012-10-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 square meters per square second.193958Sfc1 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
1165 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
-100 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.

647 
WWUS73 KFSD 161946
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
246 PM CDT TUE OCT 16 2012

.A STRONG FRONT IS EXPECTED TO TRACK THROUGH THE REGION TONIGHT...
USHERING IN MUCH COOLER AND WINDIER CONDITIONS FOR WEDNESDAY AND
THURSDAY. BY WEDNESDAY AFTERNOON...NORTHWEST WINDS WILL INCREASE
TO 20 TO 35 MPH WITH A FEW GUSTS AS HIGH AS 45 MPH. AN ADDITIONAL
REINFORCING FRONT IS EXPECTED TO MOVE THROUGH THE AREA ON THURSDAY
INCREASING WINDS EVEN FURTHER. STRONG NORTHWEST WINDS SUSTAINED AT 25
TO 35 MPH...WITH GUSTS TO 45 TO 50 MPH. THE STRONGEST WINDS ARE
EXPECTED TO BE FOCUSED ALONG AND WEST OF THE JAMES RIVER
VALLEY...WHERE WIND GUSTS IN EXCESS OF 50 MPH ARE POSSIBLE. 

IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ039-040-054>056-061-062-066-067-070-071-170400-
/O.NEW.KFSD.WI.Y.0026.121017T1500Z-121018T0000Z/
/O.NEW.KFSD.WI.Y.0027.121018T1500Z-121019T0000Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-
BUENA VISTA-WOODBURY-IDA-LINCOLN-MURRAY-COTTONWOOD-NOBLES-JACKSON-
PIPESTONE-ROCK-DIXON-DAKOTA-KINGSBURY-BROOKINGS-MINER-LAKE-MOODY-
MCCOOK-MINNEHAHA-TURNER-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...LE MARS...CHEROKEE...STORM LAKE...SIOUX CITY...
IDA GROVE...HOLSTEIN...BATTLE CREEK...TYLER...HENDRICKS...
LAKE BENTON...IVANHOE...MARSHALL...SLAYTON...FULDA...WINDOM...
MOUNTAIN LAKE...WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE...
LUVERNE...WAKEFIELD...PONCA...ALLEN...SOUTH SIOUX CITY...
DE SMET...ARLINGTON...LAKE PRESTON...BROOKINGS...HOWARD...
MADISON...FLANDREAU...SALEM...CANISTOTA...BRIDGEWATER...
MONTROSE...SIOUX FALLS...PARKER...CENTERVILLE...MARION...VIBORG...
HURLEY...CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG...
VERMILLION...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
246 PM CDT TUE OCT 16 2012

...WIND ADVISORY IN EFFECT FROM 10 AM TO 7 PM CDT WEDNESDAY...
...WIND ADVISORY IN EFFECT FROM 10 AM TO 7 PM CDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 10 AM TO 7 PM CDT WEDNESDAY. A
WIND ADVISORY HAS ALSO BEEN ISSUED FROM 10 AM TO 7 PM CDT
THURSDAY. 

* TIMING...A STRONG COLD FRONT IS EXPECTED TO MOVE THROUGH THE
  REGION OVERNIGHT TONIGHT. NORTHWEST WINDS WILL INCREASE
  WEDNESDAY MORNING AND ARE EXPECTED TO DECREASE WEDNESDAY NIGHT
  BEFORE INCREASING EVEN FURTHER ON THURSDAY.

* WEATHER CONDITIONS...NORTHWEST WINDS SUSTAINED AT 25 TO 35 MPH
  WITH GUSTS TO 45 MPH ARE EXPECTED DURING THE DAYLIGHT HOURS ON
  WEDNESDAY. NORTHWEST WINDS ARE EXPECTED TO INCREASE EVEN FURTHER
  ON THURSDAY...WITH SUSTAINED SPEEDS OF 30 TO 40 MPH WITH GUSTS
  TO NEARLY 50 MPH. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE
31 TO 39 MPH OR GUSTS WILL RANGE BETWEEN 46 AND 57 MPH.  WINDS OF
THESE MAGNITUDES MAY CAUSE MINOR PROPERTY DAMAGE WITHOUT EXTRA
PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE
CAUTION UNTIL THE WINDS SUBSIDE.

&&

$$

SDZ038-050-052-053-057>060-063>065-068-069-170400-
/O.NEW.KFSD.WI.Y.0026.121017T1500Z-121018T0000Z/
/O.NEW.KFSD.HW.A.0001.121018T1200Z-121019T0000Z/
BEADLE-GREGORY-JERAULD-SANBORN-BRULE-AURORA-DAVISON-HANSON-
CHARLES MIX-DOUGLAS-HUTCHINSON-BON HOMME-YANKTON-
INCLUDING THE CITIES OF...HURON...GREGORY...BURKE...
WESSINGTON SPRINGS...ALPENA...WOONSOCKET...CHAMBERLAIN...
KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...
ALEXANDRIA...EMERY...WAGNER...PLATTE...LAKE ANDES...MARTY...
ARMOUR...CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP...
TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON
246 PM CDT TUE OCT 16 2012

...WIND ADVISORY IN EFFECT FROM 10 AM TO 7 PM CDT WEDNESDAY...
...HIGH WIND WATCH IN EFFECT FROM THURSDAY MORNING THROUGH
THURSDAY EVENING...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 10 AM TO 7 PM CDT WEDNESDAY. A
HIGH WIND WATCH HAS ALSO BEEN ISSUED. THIS HIGH WIND WATCH IS IN
EFFECT FROM THURSDAY MORNING THROUGH THURSDAY EVENING. 

* TIMING...A STRONG COLD FRONT IS EXPECTED TO MOVE THROUGH THE
  REGION OVERNIGHT TONIGHT. NORTHWEST WINDS WILL INCREASE
  WEDNESDAY MORNING AND ARE EXPECTED TO DECREASE WEDNESDAY NIGHT
  BEFORE INCREASING EVEN FURTHER ON THURSDAY.

* WEATHER CONDITIONS...NORTHWEST WINDS SUSTAINED AT 25 TO 35 MPH
  WITH GUSTS TO 45 MPH ARE EXPECTED DURING THE DAYLIGHT HOURS ON
  WEDNESDAY. NORTHWEST WINDS ARE EXPECTED TO INCREASE EVEN FURTHER
  ON THURSDAY...WITH SUSTAINED SPEEDS OF 35 TO 45 MPH WITH GUSTS IN
  EXCESS OF 50 MPH.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE
31 TO 39 MPH OR GUSTS WILL RANGE BETWEEN 46 AND 57 MPH.  WINDS OF
THESE MAGNITUDES MAY CAUSE MINOR PROPERTY DAMAGE WITHOUT EXTRA
PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE
CAUTION UNTIL THE WINDS SUBSIDE.

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$
5 follow-up statements
581 
WWUS73 KFSD 170202
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
902 PM CDT TUE OCT 16 2012

.A STRONG COLD FRONT IS EXPECTED TO TRACK THROUGH THE REGION
TONIGHT... USHERING MUCH COOLER AND WINDIER CONDITIONS FOR
WEDNESDAY AND THURSDAY. BY MID MORNING WEDNESDAY...NORTHWEST WINDS
WILL INCREASE TO 20 TO 35 MPH WITH GUSTS TO 40 TO 45 MPH. AN
ADDITIONAL REINFORCING FRONT IS EXPECTED TO MOVE THROUGH THE AREA
ON THURSDAY INCREASING WINDS EVEN FURTHER. STRONG NORTHWEST WINDS
SUSTAINED AT 25 TO 35 MPH...WITH GUSTS TO 45 TO 50 MPH. THE
STRONGEST WINDS ON THURSDAY ARE EXPECTED TO BE FOCUSED ALONG AND WEST OF
THE JAMES RIVER VALLEY...WHERE WIND GUSTS IN EXCESS OF 50 MPH ARE
POSSIBLE.

IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ039-040-054>056-061-062-066-067-070-071-171015-
/O.CON.KFSD.WI.Y.0026.121017T1500Z-121018T0000Z/
/O.CON.KFSD.WI.Y.0027.121018T1500Z-121019T0000Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-
BUENA VISTA-WOODBURY-IDA-LINCOLN-MURRAY-COTTONWOOD-NOBLES-JACKSON-
PIPESTONE-ROCK-DIXON-DAKOTA-KINGSBURY-BROOKINGS-MINER-LAKE-MOODY-
MCCOOK-MINNEHAHA-TURNER-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...LE MARS...CHEROKEE...STORM LAKE...SIOUX CITY...
IDA GROVE...HOLSTEIN...BATTLE CREEK...TYLER...HENDRICKS...
LAKE BENTON...IVANHOE...MARSHALL...SLAYTON...FULDA...WINDOM...
MOUNTAIN LAKE...WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE...
LUVERNE...WAKEFIELD...PONCA...ALLEN...SOUTH SIOUX CITY...
DE SMET...ARLINGTON...LAKE PRESTON...BROOKINGS...HOWARD...
MADISON...FLANDREAU...SALEM...CANISTOTA...BRIDGEWATER...
MONTROSE...SIOUX FALLS...PARKER...CENTERVILLE...MARION...VIBORG...
HURLEY...CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG...
VERMILLION...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
902 PM CDT TUE OCT 16 2012

...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM TO 7 PM CDT
WEDNESDAY...
...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM TO 7 PM CDT
THURSDAY...

* TIMING...A STRONG COLD FRONT IS EXPECTED TO MOVE THROUGH THE
  REGION OVERNIGHT TONIGHT. NORTHWEST WINDS WILL INCREASE
  WEDNESDAY MORNING AND ARE EXPECTED TO MODERATE SOME BEFORE
  INCREASING EVEN FURTHER ON THURSDAY.

* WEATHER CONDITIONS...NORTHWEST WINDS SUSTAINED AT 25 TO 35 MPH
  WITH GUSTS TO 40 TO 45 MPH ARE EXPECTED DURING THE DAYLIGHT HOURS
  ON WEDNESDAY. NORTHWEST WINDS ARE EXPECTED TO INCREASE EVEN
  FURTHER ON THURSDAY...WITH SUSTAINED SPEEDS OF 30 TO 40 MPH WITH
  GUSTS TO NEARLY 50 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE
31 TO 39 MPH OR GUSTS WILL RANGE BETWEEN 46 AND 57 MPH.  WINDS OF
THESE MAGNITUDES MAY CAUSE MINOR PROPERTY DAMAGE WITHOUT EXTRA
PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE
CAUTION UNTIL THE WINDS SUBSIDE.

&&

$$

SDZ038-050-052-053-057>060-063>065-068-069-171015-
/O.CON.KFSD.WI.Y.0026.121017T1500Z-121018T0000Z/
/O.CON.KFSD.HW.A.0001.121018T1200Z-121019T0000Z/
BEADLE-GREGORY-JERAULD-SANBORN-BRULE-AURORA-DAVISON-HANSON-
CHARLES MIX-DOUGLAS-HUTCHINSON-BON HOMME-YANKTON-
INCLUDING THE CITIES OF...HURON...GREGORY...BURKE...
WESSINGTON SPRINGS...ALPENA...WOONSOCKET...CHAMBERLAIN...
KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...
ALEXANDRIA...EMERY...WAGNER...PLATTE...LAKE ANDES...MARTY...
ARMOUR...CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP...
TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON
902 PM CDT TUE OCT 16 2012

...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM TO 7 PM CDT
WEDNESDAY...
...HIGH WIND WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH THURSDAY EVENING...

* TIMING...A STRONG COLD FRONT IS EXPECTED TO MOVE THROUGH THE 
  REGION OVERNIGHT TONIGHT. NORTHWEST WINDS WILL INCREASE 
  WEDNESDAY MORNING AND ARE EXPECTED TO MODERATE SOME WEDNESDAY NIGHT 
  BEFORE INCREASING EVEN FURTHER ON THURSDAY. 

* WEATHER CONDITIONS...NORTHWEST WINDS SUSTAINED AT 25 TO 35 MPH 
  WITH GUSTS TO 45 MPH ARE EXPECTED DURING THE DAYLIGHT HOURS ON 
  WEDNESDAY. NORTHWEST WINDS ARE EXPECTED TO INCREASE EVEN 
  FURTHER ON THURSDAY...WITH SUSTAINED SPEEDS OF 35 TO 45 MPH 
  WITH GUSTS IN EXCESS OF 50 MPH. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE
31 TO 39 MPH OR GUSTS WILL RANGE BETWEEN 46 AND 57 MPH.  WINDS OF
THESE MAGNITUDES MAY CAUSE MINOR PROPERTY DAMAGE WITHOUT EXTRA
PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE
CAUTION UNTIL THE WINDS SUBSIDE.

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$
456 
WWUS73 KFSD 170851
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
351 AM CDT WED OCT 17 2012

.NORTHWEST WIND WILL INCREASE SIGNIFICANTLY BEHIND A STRONG COLD
FRONT MARCHING ACROSS THE AREA EARLY THIS MORNING. WHILE WINDS MAY
REACH A GUSTY 30 TO 45 MPH BRIEFLY BEHIND THE FRONTAL BOUNDARY...
A MORE PERSISTENTLY STRONG WIND WILL DEVELOP BY MID MORNING...WITH
NORTHWEST WINDS OF 20 TO 35 MPH WITH GUSTS TO 40 TO 45 MPH. AS THE
SYSTEM DEEPENS TO THE EAST ON THURSDAY...EVEN STRONGER NORTHWEST
WINDS ARE EXPECTED...SUSTAINED AT 25 TO 40 MPH...WITH GUSTS TO 45
TO 50 MPH. THE STRONGEST WINDS ON THURSDAY ARE EXPECTED TO BE
FOCUSED ALONG AND WEST OF THE JAMES RIVER VALLEY...WHERE WIND
GUSTS IN EXCESS OF 50 MPH ARE LIKELY.

SDZ050-057-063-171700-
/O.UPG.KFSD.HW.A.0001.121018T1200Z-121019T0000Z/
/O.NEW.KFSD.HW.W.0003.121018T1200Z-121019T0000Z/
/O.CON.KFSD.WI.Y.0026.121017T1500Z-121018T0000Z/
GREGORY-BRULE-CHARLES MIX-
INCLUDING THE CITIES OF...GREGORY...BURKE...CHAMBERLAIN...
KIMBALL...WAGNER...PLATTE...LAKE ANDES...MARTY
351 AM CDT WED OCT 17 2012

...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
7 PM CDT THIS EVENING...
...HIGH WIND WARNING IN EFFECT FROM 7 AM TO 7 PM CDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A HIGH
WIND WARNING...WHICH IS IN EFFECT FROM 7 AM TO 7 PM CDT THURSDAY.
THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* TIMING...AFTER A PREDAWN PERIOD OF GUSTY NORTHWEST WINDS FROM 25
  TO 40 MPH...NORTHWEST WINDS WILL INCREASE AGAIN BY MID
  MORNING...AND CONTINUE STRONG AND GUSTY THROUGH THE DAY. THE
  WIND IS EXPECTED TO DIMINISH SOME WEDNESDAY NIGHT...BEFORE
  INCREASING EVEN FURTHER ON THURSDAY.

* WEATHER CONDITIONS...NORTHWEST WINDS SUSTAINED AT 25 TO 35 MPH
  WITH GUSTS TO 45 MPH ARE EXPECTED DURING THE DAYLIGHT HOURS ON
  WEDNESDAY. NORTHWEST WINDS ARE EXPECTED TO INCREASE EVEN FURTHER
  ON THURSDAY...WITH SUSTAINED SPEEDS OF 35 TO 45 MPH WITH GUSTS
  IN EXCESS OF 55 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE
31 TO 39 MPH OR GUSTS WILL RANGE BETWEEN 46 AND 57 MPH.  WINDS OF
THESE MAGNITUDES MAY CAUSE MINOR PROPERTY DAMAGE WITHOUT EXTRA
PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE
CAUTION UNTIL THE WINDS SUBSIDE.

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ039-040-054>056-061-062-066-067-070-071-171700-
/O.CON.KFSD.WI.Y.0026.121017T1500Z-121018T0000Z/
/O.CON.KFSD.WI.Y.0027.121018T1500Z-121019T0000Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-
BUENA VISTA-WOODBURY-IDA-LINCOLN-MURRAY-COTTONWOOD-NOBLES-JACKSON-
PIPESTONE-ROCK-DIXON-DAKOTA-KINGSBURY-BROOKINGS-MINER-LAKE-MOODY-
MCCOOK-MINNEHAHA-TURNER-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...LE MARS...CHEROKEE...STORM LAKE...SIOUX CITY...
IDA GROVE...HOLSTEIN...BATTLE CREEK...TYLER...HENDRICKS...
LAKE BENTON...IVANHOE...MARSHALL...SLAYTON...FULDA...WINDOM...
MOUNTAIN LAKE...WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE...
LUVERNE...WAKEFIELD...PONCA...ALLEN...SOUTH SIOUX CITY...
DE SMET...ARLINGTON...LAKE PRESTON...BROOKINGS...HOWARD...
MADISON...FLANDREAU...SALEM...CANISTOTA...BRIDGEWATER...
MONTROSE...SIOUX FALLS...PARKER...CENTERVILLE...MARION...VIBORG...
HURLEY...CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG...
VERMILLION...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
351 AM CDT WED OCT 17 2012

...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
7 PM CDT THIS EVENING...
...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM TO 7 PM CDT
THURSDAY...

* TIMING...A STRONG COLD FRONT WILL CONTINUE TO PLOW EASTWARD
  EARLY THIS MORNING. NORTHWEST WINDS WILL SURGE BRIEFLY BEHIND
  THE FRONT...BUT WILL INCREASE AGAIN BY MID MORNING AND CONTINUE
  THROUGH THE DAYLIGHT HOURS. THE WIND IS EXPECTED TO DIMINISH
  SLIGHTLY TONIGHT...BEFORE INCREASING EVEN FURTHER ON THURSDAY.

* WEATHER CONDITIONS...WHILE NORTHWEST WILL BE BRIEFLY STRONG AND
  GUSTY WITH THE PASSAGE OF A FRONTAL BOUNDARY EARLY THIS
  MORNING...NORTHWEST WINDS SUSTAINED AT 25 TO 35 MPH WITH GUSTS
  TO 40 TO 45 MPH ARE EXPECTED TODAY FROM MID MORNING THROUGH THE
  DAYLIGHT HOURS. NORTHWEST WINDS ARE EXPECTED TO INCREASE EVEN
  FURTHER ON THURSDAY...WITH SUSTAINED SPEEDS OF 30 TO 40 MPH WITH
  GUSTS TO AROUND 50 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE
31 TO 39 MPH OR GUSTS WILL RANGE BETWEEN 46 AND 57 MPH.  WINDS OF
THESE MAGNITUDES MAY CAUSE MINOR PROPERTY DAMAGE WITHOUT EXTRA
PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE
CAUTION UNTIL THE WINDS SUBSIDE.

&&

$$

SDZ038-052-053-058>060-064-065-068-069-171700-
/O.CON.KFSD.WI.Y.0026.121017T1500Z-121018T0000Z/
/O.CON.KFSD.HW.A.0001.121018T1200Z-121019T0000Z/
BEADLE-JERAULD-SANBORN-AURORA-DAVISON-HANSON-DOUGLAS-HUTCHINSON-
BON HOMME-YANKTON-
INCLUDING THE CITIES OF...HURON...WESSINGTON SPRINGS...ALPENA...
WOONSOCKET...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...
ALEXANDRIA...EMERY...ARMOUR...CORSICA...DELMONT...PARKSTON...
FREEMAN...MENNO...TRIPP...TYNDALL...SCOTLAND...SPRINGFIELD...
AVON...TABOR...YANKTON
351 AM CDT WED OCT 17 2012

...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
7 PM CDT THIS EVENING...
...HIGH WIND WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH THURSDAY EVENING...

* TIMING...WHILE A BRIEF SURGE OF STRONGER NORTHWEST WINDS WILL
  OCCUR IN THE PREDAWN HOURS...WINDS BY MID MORNING ARE EXPECTED
  TO BECOME STRONG AND GUSTY THROUGH THE REMAINDER OF THE DAYLIGHT
  HOURS. THE WIND WILL DIMINISH SOME OVERNIGHT...BEFORE INCREASING
  EVEN FURTHER ON THURSDAY.

* WEATHER CONDITIONS...NORTHWEST WINDS SUSTAINED AT 25 TO 35 MPH 
  WITH GUSTS TO 45 MPH ARE EXPECTED DURING THE DAYLIGHT HOURS ON 
  WEDNESDAY. NORTHWEST WINDS ARE EXPECTED TO INCREASE EVEN 
  FURTHER ON THURSDAY...WITH SUSTAINED SPEEDS OF 35 TO 45 MPH 
  WITH GUSTS IN EXCESS OF 50 MPH. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE
31 TO 39 MPH OR GUSTS WILL RANGE BETWEEN 46 AND 57 MPH.  WINDS OF
THESE MAGNITUDES MAY CAUSE MINOR PROPERTY DAMAGE WITHOUT EXTRA
PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE
CAUTION UNTIL THE WINDS SUBSIDE.

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$

CHAPMAN
151 
WWUS73 KFSD 171407
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
907 AM CDT WED OCT 17 2012

.STRONG NORTHWEST WINDS OF 20 TO 35 MPH WITH GUSTS TO 40 TO 45
MPH CAN BE EXPECTED ACROSS THE AREA TODAY AS LOW PRESSURES MOVES
EAST ACROSS MINNESOTA. AS THE SYSTEM DEEPENS TO THE EAST ON
THURSDAY... EVEN STRONGER NORTHWEST WINDS ARE EXPECTED...SUSTAINED
AT 25 TO 40 MPH...WITH GUSTS TO 45 TO 50 MPH. THE STRONGEST WINDS
ON THURSDAY ARE EXPECTED TO BE FOCUSED ALONG AND WEST OF THE JAMES
RIVER VALLEY...WHERE WIND GUSTS IN EXCESS OF 50 MPH ARE LIKELY.

SDZ050-057-063-172215-
/O.CON.KFSD.HW.W.0003.121018T1200Z-121019T0000Z/
/O.CON.KFSD.WI.Y.0026.121017T1500Z-121018T0000Z/
GREGORY-BRULE-CHARLES MIX-
INCLUDING THE CITIES OF...GREGORY...BURKE...CHAMBERLAIN...
KIMBALL...WAGNER...PLATTE...LAKE ANDES...MARTY
907 AM CDT WED OCT 17 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...
...HIGH WIND WARNING REMAINS IN EFFECT FROM 7 AM TO 7 PM CDT
THURSDAY...

* WEATHER CONDITIONS...NORTHWEST WINDS SUSTAINED AT 25 TO 35 MPH
  WITH GUSTS TO 45 MPH ARE EXPECTED DURING THE DAYLIGHT HOURS TODAY.
  NORTHWEST WINDS ARE EXPECTED TO INCREASE EVEN FURTHER ON
  THURSDAY...WITH SUSTAINED SPEEDS OF 35 TO 45 MPH WITH GUSTS IN
  EXCESS OF 55 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE
31 TO 39 MPH OR GUSTS WILL RANGE BETWEEN 46 AND 57 MPH.  WINDS OF
THESE MAGNITUDES MAY CAUSE MINOR PROPERTY DAMAGE WITHOUT EXTRA
PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE
CAUTION UNTIL THE WINDS SUBSIDE.

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ039-040-054>056-061-062-066-067-070-071-172215-
/O.CON.KFSD.WI.Y.0026.121017T1500Z-121018T0000Z/
/O.CON.KFSD.WI.Y.0027.121018T1500Z-121019T0000Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-
BUENA VISTA-WOODBURY-IDA-LINCOLN-MURRAY-COTTONWOOD-NOBLES-JACKSON-
PIPESTONE-ROCK-DIXON-DAKOTA-KINGSBURY-BROOKINGS-MINER-LAKE-MOODY-
MCCOOK-MINNEHAHA-TURNER-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...LE MARS...CHEROKEE...STORM LAKE...SIOUX CITY...
IDA GROVE...HOLSTEIN...BATTLE CREEK...TYLER...HENDRICKS...
LAKE BENTON...IVANHOE...MARSHALL...SLAYTON...FULDA...WINDOM...
MOUNTAIN LAKE...WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE...
LUVERNE...WAKEFIELD...PONCA...ALLEN...SOUTH SIOUX CITY...
DE SMET...ARLINGTON...LAKE PRESTON...BROOKINGS...HOWARD...
MADISON...FLANDREAU...SALEM...CANISTOTA...BRIDGEWATER...
MONTROSE...SIOUX FALLS...PARKER...CENTERVILLE...MARION...VIBORG...
HURLEY...CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG...
VERMILLION...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
907 AM CDT WED OCT 17 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...
...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM TO 7 PM CDT
THURSDAY...

* WEATHER CONDITIONS...NORTHWEST WINDS SUSTAINED AT 25 TO 35 MPH
  WITH GUSTS TO 40 TO 45 MPH ARE EXPECTED TODAY. NORTHWEST WINDS
  ARE EXPECTED TO INCREASE EVEN FURTHER ON THURSDAY...WITH
  SUSTAINED SPEEDS OF 30 TO 40 MPH WITH GUSTS TO AROUND 50 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE
31 TO 39 MPH OR GUSTS WILL RANGE BETWEEN 46 AND 57 MPH.  WINDS OF
THESE MAGNITUDES MAY CAUSE MINOR PROPERTY DAMAGE WITHOUT EXTRA
PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE
CAUTION UNTIL THE WINDS SUBSIDE.

&&

$$

SDZ038-052-053-058>060-064-065-068-069-172215-
/O.CON.KFSD.WI.Y.0026.121017T1500Z-121018T0000Z/
/O.CON.KFSD.HW.A.0001.121018T1200Z-121019T0000Z/
BEADLE-JERAULD-SANBORN-AURORA-DAVISON-HANSON-DOUGLAS-HUTCHINSON-
BON HOMME-YANKTON-
INCLUDING THE CITIES OF...HURON...WESSINGTON SPRINGS...ALPENA...
WOONSOCKET...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...
ALEXANDRIA...EMERY...ARMOUR...CORSICA...DELMONT...PARKSTON...
FREEMAN...MENNO...TRIPP...TYNDALL...SCOTLAND...SPRINGFIELD...
AVON...TABOR...YANKTON
907 AM CDT WED OCT 17 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...
...HIGH WIND WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH THURSDAY EVENING...

* WEATHER CONDITIONS...NORTHWEST WINDS SUSTAINED AT 25 TO 35 MPH
  WITH GUSTS TO 45 MPH ARE EXPECTED TODAY. NORTHWEST WINDS ARE
  EXPECTED TO INCREASE EVEN FURTHER ON THURSDAY...WITH SUSTAINED
  SPEEDS OF 35 TO 45 MPH WITH GUSTS IN EXCESS OF 50 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE
31 TO 39 MPH OR GUSTS WILL RANGE BETWEEN 46 AND 57 MPH.  WINDS OF
THESE MAGNITUDES MAY CAUSE MINOR PROPERTY DAMAGE WITHOUT EXTRA
PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE
CAUTION UNTIL THE WINDS SUBSIDE.

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$
063 
WWUS73 KFSD 171542
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1042 AM CDT WED OCT 17 2012

.STRONG NORTHWEST WINDS OF 20 TO 35 MPH WITH GUSTS TO 40 TO
45 MPH CAN BE EXPECTED ACROSS THE AREA TODAY AS LOW PRESSURES
MOVES EAST ACROSS MINNESOTA. GUSTY NORTHWEST WINDS OF 20 TO 35 MPH
WILL PERSIST WEST OF THE JAMES VALLEY TONIGHT. AS THE SYSTEM
DEEPENS TO THE EAST ON THURSDAY... EVEN STRONGER NORTHWEST WINDS
ARE EXPECTED... SUSTAINED AT 25 TO 40 MPH...WITH GUSTS TO 45 TO 50
MPH. THE STRONGEST WINDS ON THURSDAY ARE EXPECTED TO BE FOCUSED
ALONG AND WEST OF THE JAMES RIVER VALLEY...WHERE WIND GUSTS IN
EXCESS OF 50 MPH ARE LIKELY.

SDZ050-057-063-172345-
/O.EXT.KFSD.WI.Y.0026.000000T0000Z-121018T1200Z/
/O.CON.KFSD.HW.W.0003.121018T1200Z-121019T0000Z/
GREGORY-BRULE-CHARLES MIX-
INCLUDING THE CITIES OF...GREGORY...BURKE...CHAMBERLAIN...
KIMBALL...WAGNER...PLATTE...LAKE ANDES...MARTY
1042 AM CDT WED OCT 17 2012

...WIND ADVISORY NOW IN EFFECT UNTIL 7 AM CDT THURSDAY...
...HIGH WIND WARNING REMAINS IN EFFECT FROM 7 AM TO 7 PM CDT
THURSDAY...

* WEATHER CONDITIONS...NORTHWEST WINDS SUSTAINED AT 25 TO 35 MPH
  WITH GUSTS TO 45 MPH ARE EXPECTED DURING THE DAYLIGHT HOURS DECREASING
  SLIGHTLY TO 20 TO 35 MPH TONIGHT. NORTHWEST WINDS ARE EXPECTED
  TO INCREASE EVEN FURTHER ON THURSDAY...WITH SUSTAINED SPEEDS OF
  35 TO 45 MPH WITH GUSTS IN EXCESS OF 55 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE
31 TO 39 MPH OR GUSTS WILL RANGE BETWEEN 46 AND 57 MPH.  WINDS OF
THESE MAGNITUDES MAY CAUSE MINOR PROPERTY DAMAGE WITHOUT EXTRA
PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE
CAUTION UNTIL THE WINDS SUBSIDE.

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

SDZ038-052-053-058>060-064-065-068-069-172345-
/O.EXT.KFSD.WI.Y.0026.000000T0000Z-121018T1200Z/
/O.CON.KFSD.HW.A.0001.121018T1200Z-121019T0000Z/
BEADLE-JERAULD-SANBORN-AURORA-DAVISON-HANSON-DOUGLAS-HUTCHINSON-
BON HOMME-YANKTON-
INCLUDING THE CITIES OF...HURON...WESSINGTON SPRINGS...ALPENA...
WOONSOCKET...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...
ALEXANDRIA...EMERY...ARMOUR...CORSICA...DELMONT...PARKSTON...
FREEMAN...MENNO...TRIPP...TYNDALL...SCOTLAND...SPRINGFIELD...
AVON...TABOR...YANKTON
1042 AM CDT WED OCT 17 2012

...WIND ADVISORY NOW IN EFFECT UNTIL 7 AM CDT THURSDAY...
...HIGH WIND WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH THURSDAY EVENING...

* WEATHER CONDITIONS...NORTHWEST WINDS SUSTAINED AT 25 TO 35 MPH
  WITH GUSTS TO 45 MPH ARE EXPECTED TODAY...DECREASING SLIGHTLY
  TONIGHT TO 20 TO 35 MPH. NORTHWEST WINDS ARE EXPECTED TO INCREASE
  EVEN FURTHER ON THURSDAY...WITH SUSTAINED SPEEDS OF 35 TO 45 MPH
  WITH GUSTS IN EXCESS OF 50 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE
31 TO 39 MPH OR GUSTS WILL RANGE BETWEEN 46 AND 57 MPH.  WINDS OF
THESE MAGNITUDES MAY CAUSE MINOR PROPERTY DAMAGE WITHOUT EXTRA
PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE
CAUTION UNTIL THE WINDS SUBSIDE.

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$

IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ039-040-054>056-061-062-066-067-070-071-172345-
/O.CON.KFSD.WI.Y.0026.000000T0000Z-121018T0000Z/
/O.CON.KFSD.WI.Y.0027.121018T1500Z-121019T0000Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-
BUENA VISTA-WOODBURY-IDA-LINCOLN-MURRAY-COTTONWOOD-NOBLES-JACKSON-
PIPESTONE-ROCK-DIXON-DAKOTA-KINGSBURY-BROOKINGS-MINER-LAKE-MOODY-
MCCOOK-MINNEHAHA-TURNER-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...LE MARS...CHEROKEE...STORM LAKE...SIOUX CITY...
IDA GROVE...HOLSTEIN...BATTLE CREEK...TYLER...HENDRICKS...
LAKE BENTON...IVANHOE...MARSHALL...SLAYTON...FULDA...WINDOM...
MOUNTAIN LAKE...WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE...
LUVERNE...WAKEFIELD...PONCA...ALLEN...SOUTH SIOUX CITY...
DE SMET...ARLINGTON...LAKE PRESTON...BROOKINGS...HOWARD...
MADISON...FLANDREAU...SALEM...CANISTOTA...BRIDGEWATER...
MONTROSE...SIOUX FALLS...PARKER...CENTERVILLE...MARION...VIBORG...
HURLEY...CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG...
VERMILLION...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
1042 AM CDT WED OCT 17 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...
...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM TO 7 PM CDT
THURSDAY...

* WEATHER CONDITIONS...NORTHWEST WINDS SUSTAINED AT 25 TO 35 MPH 
  WITH GUSTS TO 40 TO 45 MPH ARE EXPECTED TODAY. NORTHWEST WINDS 
  ARE EXPECTED TO INCREASE EVEN FURTHER ON THURSDAY...WITH 
  SUSTAINED SPEEDS OF 30 TO 40 MPH WITH GUSTS TO AROUND 50 MPH. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE
31 TO 39 MPH OR GUSTS WILL RANGE BETWEEN 46 AND 57 MPH.  WINDS OF
THESE MAGNITUDES MAY CAUSE MINOR PROPERTY DAMAGE WITHOUT EXTRA
PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE
CAUTION UNTIL THE WINDS SUBSIDE.

&&

$$
665 
WWUS73 KFSD 171958
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
258 PM CDT WED OCT 17 2012

.STRONG NORTHWEST WINDS OF 20 TO 35 MPH WITH GUSTS TO 40 TO
50 MPH WILL DECREASE TONIGHT...BUT ARE EXPECTED TO PICK UP AGAIN
ON THURSDAY WITH THE STRONGEST WINDS WEST OF INTERSTATE 29.
WINDS ARE EXPECTED TO GUST TO 40 TO 55 MPH WEST OF INTERSTATE 29
ON THURSDAY AND 30 TO 40 MPH TO THE EAST. 

SDZ038-052-053-058>060-064-065-068-069-180400-
/O.CAN.KFSD.HW.A.0001.121018T1200Z-121019T0000Z/
/O.EXT.KFSD.WI.Y.0026.000000T0000Z-121019T0000Z/
BEADLE-JERAULD-SANBORN-AURORA-DAVISON-HANSON-DOUGLAS-HUTCHINSON-
BON HOMME-YANKTON-
INCLUDING THE CITIES OF...HURON...WESSINGTON SPRINGS...ALPENA...
WOONSOCKET...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...
ALEXANDRIA...EMERY...ARMOUR...CORSICA...DELMONT...PARKSTON...
FREEMAN...MENNO...TRIPP...TYNDALL...SCOTLAND...SPRINGFIELD...
AVON...TABOR...YANKTON
258 PM CDT WED OCT 17 2012

...WIND ADVISORY NOW IN EFFECT UNTIL 7 PM CDT THURSDAY...
...HIGH WIND WATCH IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE
HIGH WIND WATCH. 

* WEATHER CONDITIONS...NORTHWEST WINDS WILL DECREASE TO 20 TO 35
  MPH TONIGHT BUT INCREASE TO 30 TO 45 MPH AGAIN ON THURSDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE
31 TO 39 MPH OR GUSTS WILL RANGE BETWEEN 46 AND 57 MPH.  WINDS OF
THESE MAGNITUDES MAY CAUSE MINOR PROPERTY DAMAGE WITHOUT EXTRA
PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE
CAUTION UNTIL THE WINDS SUBSIDE.

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE
31 TO 39 MPH OR GUSTS WILL RANGE BETWEEN 46 AND 57 MPH.  WINDS OF
THESE MAGNITUDES MAY CAUSE MINOR PROPERTY DAMAGE WITHOUT EXTRA
PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE
CAUTION UNTIL THE WINDS SUBSIDE.

&&

$$

SDZ050-057-063-180400-
/O.CON.KFSD.HW.W.0003.121018T1200Z-121019T0000Z/
/O.CON.KFSD.WI.Y.0026.000000T0000Z-121018T1200Z/
GREGORY-BRULE-CHARLES MIX-
INCLUDING THE CITIES OF...GREGORY...BURKE...CHAMBERLAIN...
KIMBALL...WAGNER...PLATTE...LAKE ANDES...MARTY
258 PM CDT WED OCT 17 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT THURSDAY...
...HIGH WIND WARNING REMAINS IN EFFECT FROM 7 AM TO 7 PM CDT
THURSDAY...

* WEATHER CONDITIONS...NORTHWEST WINDS WILL DECREASE TO 20 TO 35
  MPH TONIGHT AND THEN INCREASE TO 35 TO 55 MPH ON THURSDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE
31 TO 39 MPH OR GUSTS WILL RANGE BETWEEN 46 AND 57 MPH.  WINDS OF
THESE MAGNITUDES MAY CAUSE MINOR PROPERTY DAMAGE WITHOUT EXTRA
PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE
CAUTION UNTIL THE WINDS SUBSIDE.

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

IAZ001-012-020-031-MNZ097-098-NEZ013-014-SDZ039-040-054>056-061-
062-066-067-070-071-180400-
/O.EXT.KFSD.WI.Y.0027.121018T1200Z-121019T0000Z/
/O.CON.KFSD.WI.Y.0026.000000T0000Z-121018T0000Z/
LYON-SIOUX-PLYMOUTH-WOODBURY-PIPESTONE-ROCK-DIXON-DAKOTA-
KINGSBURY-BROOKINGS-MINER-LAKE-MOODY-MCCOOK-MINNEHAHA-TURNER-
LINCOLN-CLAY-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...LE MARS...SIOUX CITY...
PIPESTONE...LUVERNE...WAKEFIELD...PONCA...ALLEN...
SOUTH SIOUX CITY...DE SMET...ARLINGTON...LAKE PRESTON...
BROOKINGS...HOWARD...MADISON...FLANDREAU...SALEM...CANISTOTA...
BRIDGEWATER...MONTROSE...SIOUX FALLS...PARKER...CENTERVILLE...
MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...LENNOX...TEA...
HARRISBURG...VERMILLION...NORTH SIOUX CITY...BERESFORD...
ELK POINT...ALCESTER...JEFFERSON
258 PM CDT WED OCT 17 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...
...WIND ADVISORY NOW IN EFFECT FROM 7 AM TO 7 PM CDT THURSDAY...

* WEATHER CONDITIONS...NORTHWEST WINDS WILL DECREASE TO 15 TO 30
  MPH OVERNIGHT AND THEN INCREASE TO 25 TO 45 MPH ON THURSDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE
31 TO 39 MPH OR GUSTS WILL RANGE BETWEEN 46 AND 57 MPH.  WINDS OF
THESE MAGNITUDES MAY CAUSE MINOR PROPERTY DAMAGE WITHOUT EXTRA
PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE
CAUTION UNTIL THE WINDS SUBSIDE.

&&

$$

IAZ002-003-013-014-021-022-032-MNZ071-072-080-081-089-090-180400-
/O.CON.KFSD.WI.Y.0026.000000T0000Z-121018T0000Z/
/O.CON.KFSD.WI.Y.0027.121018T1500Z-121019T0000Z/
OSCEOLA-DICKINSON-OBRIEN-CLAY-CHEROKEE-BUENA VISTA-IDA-LINCOLN-
LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...SPENCER...CHEROKEE...
STORM LAKE...IDA GROVE...HOLSTEIN...BATTLE CREEK...TYLER...
HENDRICKS...LAKE BENTON...IVANHOE...MARSHALL...SLAYTON...FULDA...
WINDOM...MOUNTAIN LAKE...WORTHINGTON...JACKSON...LAKEFIELD
258 PM CDT WED OCT 17 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...
...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM TO 7 PM CDT
THURSDAY...

* WEATHER CONDITIONS...NORTHWEST WINDS WILL DECREASE TO 15 TO 25
  MPH DURING THE NIGHT AND INCREASE TO 20 TO 40 MPH ON THURSDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE
31 TO 39 MPH OR GUSTS WILL RANGE BETWEEN 46 AND 57 MPH.  WINDS OF
THESE MAGNITUDES MAY CAUSE MINOR PROPERTY DAMAGE WITHOUT EXTRA
PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE
CAUTION UNTIL THE WINDS SUBSIDE.

&&

$$

What forecasters said that day

The local office's own words before this high wind 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 high wind watch went out at Oct 16, 2:42 PM CDT, 4 minutes earlier.

Area forecast discussion, Oct 16, 2:42 PM CDT, 4 minutes before
AREA FORECAST DISCUSSION FOR SOUTHEAST SD/SOUTHWEST MN/NORTHWEST IA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
242 PM CDT TUE OCT 16 2012

.DISCUSSION...ISSUED AT 242 PM CDT/
THE EVENING WEATHER WILL BE RATHER QUIET AHEAD OF APPROACHING COLD
FRONT. WILL SEE INCREASING HIGHS CLOUDS DURING THE EVENING...BUT
MAIN PUSH OF COLD FRONT WILL NOT BEGIN TO AFFECT NORTHWEST CWA UNTIL
AROUND 06Z AND THEN SWEEP SOUTHEAST ACROSS CWA THROUGH 12Z. SHORT
WAVE WILL DROP SOUTHEAST OUT OF EASTERN MONTANA LATER TONIGHT WITH
THE POTENTIAL FOR SCATTERED SHOWERS MAINLY ACROSS THE NORTH LATER
TONIGHT INTO EARLY WEDNESDAY MORNING. WILL KEEP CHANCE OF SHOWERS IN
FORECAST BUT WILL TRIM POPS BACK A BIT AS MAIN FORCING APPEARS TO BE
NORTH OF CWA. STRONGEST OF THE WINDS BEHIND FRONT WILL OCCUR AFTER
12Z AS SHORT WAVE PUSHES INTO MN ALLOWING FOR STRONGER NORTHWEST
WINDS TO MIX DOWN TO SURFACE. HAVE ISSUED A WIND ADVISORY 15Z-00Z
WEDNESDAY ACROSS THE ENTIRE CWA. COULD SEE BORDERLINE HIGH WIND
CRITERIA ACROSS THE WEST...BUT FOR NOW THINK WIND ADVISORY WILL
COVER BULK OF CONDITIONS EXPECTED ACROSS THE CWA. OVERNIGHT LOWS
WILL REMAIN MILD INTO THE UPPER 40S TO LOWER 50S...BUT WITH COLD AIR
ADVECTION ON WEDNESDAY...HIGHS WILL STRUGGLE TO GET OUT OF THE
50S...EXCEPT FOR LOWER 60S ACROSS THE FAR SOUTHEAST.

WINDS SHOULD DROP OFF WEDNESDAY EVENING BETWEEN TUESDAY SURGE AND
LOW PRESSURE DROPPING TOWARD NORTHEAST CORNER OF AREA. MODELS SEEM
REASONABLE IN BRINGING IN A LIGHT SHOWER CHANCE A LITTLE FASTER THAN
WE HAD BEFORE DURING THE NIGHT AS THIS SYSTEM APPROACHES. AS THE LOW
DROPS CLOSER WINDS WILL RESPOND TO THIS SECOND SURGE AND BE ON THE
INCREASE TOWARD THE END OF THE NIGHT. FOR THURSDAY THIS SYSTEM WILL
BRING SHOWERS AND STRONG WINDS...AND OF COURSE STILL COOLER
TEMPERATURES. AS THE LOW DROPS CLOSE TO THE AREA...THE GRADIENT WILL
BE STRONGEST OVER THE SOUTHWEST CORNER OF THE AREA...AND WEAKER TO
THE NORTHEAST CLOSE TO THE LOW. STRENGTH OF THIS GRADIENT SUGGESTS A
DECENT CHANCE OF HIGH WIND CRITERIA WEST ESPECIALLY SOUTHWEST... AND
WIND ADVISORY LEVELS NORTHEAST. THERE IS SOME QUESTION WHETHER OR
NOT THE WINDS OVER OUR NORTHEAST CORNER IN SOUTHWEST MN WILL BE
STRONG ENOUGH EVEN FOR AN ADVISORY BUT GUIDANCE SHOWS THEM CLOSE
ENOUGH TO CRITERIA TO PUT THOSE COUNTIES IN. MEANWHILE...SHOWERS
SHOULD BE FAIRLY NUMEROUS AND AS THEY WILL BE SO CLOSE TO THE UPPER
LOW...MAY PRODUCE SOME DECENT MODEST RAINFALL AMOUNTS...THAT IS MORE
THAN JUST A FEW HUNDREDTHS.

THURSDAY NIGHT AND FRIDAY SHOULD SEE A VERY SLOW PULLING OUT OF
THIS SYSTEM TO THE EAST...IT WILL BE SO BIG BY THEN THAT IT
CERTAINLY WILL NOT RACE OUT. STILL...THE SHOWER CHANCES WILL
STEADILY DECREASE. DAYTIME TEMPERATURES WILL BE A LITTLE LESS COOL
FRIDAY WHILE NIGHTTIME COOLING WILL BE LIMITED BY WINDS CLOUDS
MOISTURE AND SIMPLY THE ABSENCE OF LOW LEVEL COLD AIR. WARMING
ALREADY STARTS LATE FRIDAY AND WITH EXPECTED RIDGING WILL SERVE UP A
WARMER WEEKEND THAN WE HAD BEEN GOING FOR BEFORE...MEANING
TEMPERATURES BACK TO ABOVE NORMAL. NEXT MONDAY AND TUESDAY SHOULD
SEE SOME COOLING BUT IT SHOULD BE RATHER MODEST AS COOLING WAVES
WILL BE BATTLING A DEVELOPING SOUTHERN PLAINS RIDGE...AND WILL HAVE
TO OVERRIDE IT TO THE NORTH. WITH A BOUNDARY LIKELY TO BE OVER OR
CLOSE TO THE AREA...THERE MAY BE SOME CHANCE OF LIGHT SHOWERS...BUT
NOT MUCH IF ANY AS UPPER ENERGY WILL BE PASSING TO THE NORTH. GFS IN
FACT SHOWS DECENT SURFACE RIDGING BY TUESDAY WHILE EC IS MORE
UNCERTAIN AND HAS THAT BOUNDARY. IN ANY EVENT NO SIGNS OF REAL
WINTER YET.

&&

.FIRE WEATHER...
HAVE ISSUED A RED FLAG WARNING FOR AREAS MAINLY ALONG AND WEST OF
I29 FOR WEDNESDAY AFTERNOON AND EVENING. HUMIDITY WILL DROP TO 20 TO
30 PERCENT AND WITH NORTHWEST WINDS GUSTING TO 35 TO 45 MPH WILL SEE
RED FLAG CONDITIONS. DID NOT ISSUE FOR AREAS EAST OF I29 AS RELATIVE
HUMIDITY LEVELS NOT EXPECTED TO DROP BELOW 30 PERCENT...EVEN THOUGH
WINDS WILL BE GUSTY THERE TOO.

&&

.AVIATION.../FOR THE 18Z TAF ISSUANCE/
VFR WILL CONTINUE THROUGH 17/18Z. WIND DIRECTIONS WILL BE SOMEWHAT
VARIABLE THROUGH 06Z TONIGHT AS WEAK SURFACE TROUGH NEAR I-29
CORRIDOR AT START OF PERIOD MOVES EAST. A STRONG COLD FRONT WILL
MOVE EAST ACROSS THE AREA AFTER 06Z TONIGHT WITH NORTHWEST WINDS
INCREASE TO 15 TO 25 KNOTS BY 12Z AND THEN TO 20 TO 40 KNOTS 12Z TO
18Z WEDNESDAY. A FEW LIGHT SHOWERS WILL BE POSSIBLE MAINLY NORTH OF
INTERSTATE 90 06Z-15Z.

&&

IA...RED FLAG WARNING FROM 1 PM TO 7 PM CDT WEDNESDAY FOR IAZ300.

     WIND ADVISORY FROM 10 AM TO 7 PM CDT WEDNESDAY FOR IAZ001>003-
     012>014-020>022-031-032.

     WIND ADVISORY FROM 10 AM TO 7 PM CDT THURSDAY FOR IAZ001>003-
     012>014-020>022-031-032.

MN...WIND ADVISORY FROM 10 AM TO 7 PM CDT WEDNESDAY FOR MNZ071-072-
     080-081-089-090-097-098.

     WIND ADVISORY FROM 10 AM TO 7 PM CDT THURSDAY FOR MNZ071-072-
     080-081-089-090-097-098.

NE...RED FLAG WARNING FROM 1 PM TO 7 PM CDT WEDNESDAY FOR NEZ249.

     WIND ADVISORY FROM 10 AM TO 7 PM CDT WEDNESDAY FOR NEZ013-014.

     WIND ADVISORY FROM 10 AM TO 7 PM CDT THURSDAY FOR NEZ013-014.

SD...RED FLAG WARNING FROM 1 PM TO 7 PM CDT WEDNESDAY FOR SDZ255>258.

     WIND ADVISORY FROM 10 AM TO 7 PM CDT WEDNESDAY FOR SDZ038>040-
     050-052>071.

     WIND ADVISORY FROM 10 AM TO 7 PM CDT THURSDAY FOR SDZ039-040-
     054>056-061-062-066-067-070-071.

     HIGH WIND WATCH FROM THURSDAY MORNING THROUGH THURSDAY EVENING
     FOR SDZ038-050-052-053-057>060-063>065-068-069.
&&
Hazardous weather outlook, Oct 16, 8:09 AM CDT, 6 hours 37 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SIOUX FALLS SD
809 AM CDT TUE OCT 16 2012

SDZ038>040-050-052>071-MNZ071-072-080-081-089-090-097-098-
IAZ001>003-012>014-020>022-031-032-NEZ013-014-171200-
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-
809 AM CDT TUE OCT 16 2012

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

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

A COMBINATION OF VERY STRONG WEST TO NORTHWEST WINDS AND LOW
RELATIVE HUMIDITY VALUES WILL BRING A VERY HIGH TO EXTREME FIRE
DANGER TO THE AREA ON WEDNESDAY. THE WEST TO NORTHWEST WINDS
SHOULD AVERAGE ABOUT 25 TO 40 MPH WITH AFTERNOON RELATIVE
HUMIDITY VALUES OF 20 TO 30 PERCENT.  NORTHWEST WINDS WILL BE AS
STRONG OR STRONGER ON THURSDAY...AVERAGING 25 TO 45 MPH...WITH A
FEW GUSTS APPROACHING 50 MPH POSSIBLE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.

&&

FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT
WWW.WEATHER.GOV/SIOUXFALLS. THIS INCLUDES THE GRAPHICAL HAZARDOUS
WEATHER OUTLOOK.

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 16, 2:05 PM CDTRed Flag WarningFSD29 hr
Oct 16, 2:46 PM CDTWind AdvisoryFSDAurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 18 more61 hr
Oct 16, 2:46 PM CDTWind AdvisoryFSDAurora, Bon Homme, Brookings, Brule, Charles Mix, Clay and 16 more61 hr

Nearby

High Wind Watches in South Dakota, 2012Every high wind watch in 2012

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.