Alert archive / South Dakota / Wind Advisories in 2009

Wind Advisory 10, NWS Sioux Falls, SD

May 12, 20094 states

NWS Sioux Falls, SD issued this wind advisory at May 12, 2009, 3:49 PM CDT for 4 states. It took effect at May 13, 2009, 1:00 PM CDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
May 12, 2009, 3:49 PM CDT (20:49 UTC)
In effect from
May 13, 2009, 1:00 PM CDT
Expired
May 13, 2009, 10:15 PM CDT
In force
9 hr
Issued by
NWS Sioux Falls, SD
All 45 counties

Buena Vista County, IA, Cherokee County, IA, Clay County, IA, Dickinson County, IA, Ida County, IA, Lyon County, IA, O'Brien County, IA, Osceola County, IA, Plymouth County, IA, Sioux County, IA, Woodbury County, IA, Cottonwood County, MN, Jackson County, MN, Lincoln County, MN, Lyon County, MN, Murray County, MN, Nobles County, MN, Pipestone County, MN, Rock County, MN, Dakota County, NE, Dixon County, NE, Aurora County, SD, Beadle County, SD, Bon Homme County, SD, Brookings County, SD, Brule County, SD, Charles Mix County, SD, Clay County, SD, Davison County, SD, Douglas County, SD, Gregory County, SD, Hanson County, SD, Hutchinson County, SD, Jerauld County, SD, Kingsbury County, SD, Lake County, SD, Lincoln County, SD, McCook County, SD, Miner County, SD, Minnehaha County, SD, Moody County, SD, Sanborn County, SD, Turner County, SD, Union County, SD, Yankton County, SD

The radar

The Sioux Falls radar (KFSD), 16 km from the middle of the area, began a volume at 20:49 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

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

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 8.8 hours before the alert went out and 202 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 2009-05-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 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, Aberdeen, SD at 12:00Z on 2009-05-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 262 square meters per square second.1939587897Sfc1 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
1025 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
262 m²/s²
0-3 km storm-relative helicity
299 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
WWUS73 KFSD 122049
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
349 PM CDT TUE MAY 12 2009

.STRONG SOUTHERLY WINDS OF 25 TO 45 MPH IN SOUTHWEST MINNESOTA TO
EASTERN PARTS OF NORTHWEST IOWA WILL DECREASE DURING THE EVENING
TO BELOW WIND ADVISORY CRITERIA. THEN A COLD FRONT MOVING EAST
OVER THE AREA BY MORNING WILL BE FOLLOWED BY INCREASING WEST TO
NORTHWEST WINDS THROUGH WEDNESDAY AFTERNOON. WIND SPEEDS WILL
INCREASE TO A VERY STRONG 30 TO 50 MPH IN MANY AREAS...WITH THE
STRONGEST WINDS EXPECTED FROM THE JAMES VALLEY AND WEST WEDNESDAY
AFTERNOON.

IAZ002-003-013-014-021-022-MNZ071-072-080-081-089-090-097-130500-
/O.NEW.KFSD.WI.Y.0010.090513T2000Z-090514T0600Z/
/O.CON.KFSD.WI.Y.0009.000000T0000Z-090513T0000Z/
OSCEOLA-DICKINSON-OBRIEN-CLAY-CHEROKEE-BUENA VISTA-LINCOLN-LYON-
MURRAY-COTTONWOOD-NOBLES-JACKSON-PIPESTONE-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...SPENCER...CHEROKEE...
STORM LAKE...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...
MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...
WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE
349 PM CDT TUE MAY 12 2009

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...
...WIND ADVISORY IN EFFECT FROM 3 PM WEDNESDAY TO 1 AM CDT
THURSDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 3 PM WEDNESDAY TO 1 AM CDT
THURSDAY. A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING. 

.STRONG SOUTHERLY WINDS OF 25 TO 45 MPH FOR THE REST OF THE
AFTERNOON...WILL DECREASE TO 20 TO 30 MPH THIS EVENING. WEST TO
NORTHWEST WINDS WILL THEN INCREASE TO 30 TO 45 MPH WITH POSSIBLE
HIGHER GUSTS LATE WEDNESDAY AFTERNOON...CONTINUING THROUGH THE
EVENING.

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.

&&

$$

IAZ001-012-020-031-MNZ098-NEZ013-014-SDZ039-040-054>056-060>062-
065>071-130500-
/O.NEW.KFSD.WI.Y.0010.090513T2000Z-090514T0300Z/
LYON-SIOUX-PLYMOUTH-WOODBURY-ROCK-DIXON-DAKOTA-KINGSBURY-
BROOKINGS-MINER-LAKE-MOODY-HANSON-MCCOOK-MINNEHAHA-HUTCHINSON-
TURNER-LINCOLN-BON HOMME-YANKTON-CLAY-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...LE MARS...SIOUX CITY...
LUVERNE...WAKEFIELD...PONCA...ALLEN...SOUTH SIOUX CITY...
DE SMET...ARLINGTON...LAKE PRESTON...BROOKINGS...HOWARD...
MADISON...FLANDREAU...ALEXANDRIA...EMERY...SALEM...CANISTOTA...
BRIDGEWATER...MONTROSE...SIOUX FALLS...PARKSTON...FREEMAN...
MENNO...TRIPP...PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...
CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG...TYNDALL...
SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON...VERMILLION...
NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON
349 PM CDT TUE MAY 12 2009

...WIND ADVISORY IN EFFECT FROM 3 PM TO 10 PM CDT WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 3 PM TO 10 PM CDT WEDNESDAY. 

WEST TO NORTHWEST WINDS WILL INCREASE TO 30 TO 45 MPH LATER
WEDNESDAY AFTERNOON...CONTINUING INTO THE EVENING.

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.

&&

$$

IAZ032-130500-
/O.NEW.KFSD.WI.Y.0010.090513T2000Z-090514T0600Z/
IDA-
INCLUDING THE CITIES OF...IDA GROVE...HOLSTEIN...BATTLE CREEK
349 PM CDT TUE MAY 12 2009

...WIND ADVISORY IN EFFECT FROM 3 PM WEDNESDAY TO 1 AM CDT
THURSDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 3 PM WEDNESDAY TO 1 AM CDT
THURSDAY. 

WEST TO NORTHWEST WINDS WILL INCREASE TO 30 TO 45 MPH LATE WEDNESDAY
AFTERNOON...CONTINUING THROUGH THE EVENING.

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>059-063-064-130500-
/O.NEW.KFSD.HW.A.0001.090513T1800Z-090514T0300Z/
BEADLE-GREGORY-JERAULD-SANBORN-BRULE-AURORA-DAVISON-CHARLES MIX-
DOUGLAS-
INCLUDING THE CITIES OF...HURON...GREGORY...BURKE...
WESSINGTON SPRINGS...ALPENA...WOONSOCKET...CHAMBERLAIN...
KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...
WAGNER...PLATTE...LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT
349 PM CDT TUE MAY 12 2009

...HIGH WIND WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH
WEDNESDAY EVENING...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A HIGH
WIND WATCH...WHICH IS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH
WEDNESDAY EVENING. 

WEST TO NORTHWEST WINDS WILL INCREASE TO 35 TO 50 MPH WEDNESDAY
AFTERNOON...CONTINUING THROUGH EARLY EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$
RSR
6 follow-up statements
000 
WWUS73 KFSD 122354
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
654 PM CDT TUE MAY 12 2009

.STRONG SOUTHERLY WINDS OF 25 TO 45 MPH IN SOUTHWEST MINNESOTA TO
EASTERN PARTS OF NORTHWEST IOWA WILL CONTINUE THROUGH SUNSET BEFORE
DROPPING OFF TO BELOW WIND ADVISORY CRITERIA.

A COLD FRONT MOVING EAST OVER THE AREA BY MORNING WILL BE FOLLOWED
BY INCREASING WEST TO NORTHWEST WINDS THROUGH WEDNESDAY AFTERNOON.
WIND SPEEDS WILL INCREASE TO A VERY STRONG 30 TO 50 MPH IN MANY
AREAS...WITH THE STRONGEST WINDS EXPECTED FROM THE JAMES VALLEY AND
WEST WEDNESDAY AFTERNOON.

IAZ002-003-013-014-021-022-MNZ071-072-080-081-089-090-097-130800-
/O.EXT.KFSD.WI.Y.0009.000000T0000Z-090513T0200Z/
/O.CON.KFSD.WI.Y.0010.090513T2000Z-090514T0600Z/
OSCEOLA-DICKINSON-OBRIEN-CLAY-CHEROKEE-BUENA VISTA-LINCOLN-LYON-
MURRAY-COTTONWOOD-NOBLES-JACKSON-PIPESTONE-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...SPENCER...CHEROKEE...
STORM LAKE...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...
MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...
WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE
654 PM CDT TUE MAY 12 2009

...WIND ADVISORY NOW IN EFFECT UNTIL 9 PM CDT THIS EVENING...
...WIND ADVISORY REMAINS IN EFFECT FROM 3 PM WEDNESDAY TO 1 AM
CDT THURSDAY...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 9 PM CDT THIS EVENING. A
WIND ADVISORY REMAINS IN EFFECT FROM 3 PM WEDNESDAY TO 1 AM CDT
THURSDAY. 

.STRONG SOUTHERLY WINDS OF 25 TO 45 MPH FOR THE REST OF THE
AFTERNOON...WILL DECREASE TO 20 TO 30 MPH AFTER SUNSET THIS EVENING.
WINDS WILL SWITCH TO THE WEST TO NORTHWEST ON WEDNESDAY...INCREASING
TO 30 TO 45 MPH WITH POSSIBLE HIGHER GUSTS DURING THE LATE AFTERNOON
AND EVENING. 

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.

&&

$$

IAZ001-012-020-031-MNZ098-NEZ013-014-SDZ039-040-054>056-060>062-
065>071-130800-
/O.CON.KFSD.WI.Y.0010.090513T2000Z-090514T0300Z/
LYON-SIOUX-PLYMOUTH-WOODBURY-ROCK-DIXON-DAKOTA-KINGSBURY-
BROOKINGS-MINER-LAKE-MOODY-HANSON-MCCOOK-MINNEHAHA-HUTCHINSON-
TURNER-LINCOLN-BON HOMME-YANKTON-CLAY-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...LE MARS...SIOUX CITY...
LUVERNE...WAKEFIELD...PONCA...ALLEN...SOUTH SIOUX CITY...
DE SMET...ARLINGTON...LAKE PRESTON...BROOKINGS...HOWARD...
MADISON...FLANDREAU...ALEXANDRIA...EMERY...SALEM...CANISTOTA...
BRIDGEWATER...MONTROSE...SIOUX FALLS...PARKSTON...FREEMAN...
MENNO...TRIPP...PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...
CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG...TYNDALL...
SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON...VERMILLION...
NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON
654 PM CDT TUE MAY 12 2009

...WIND ADVISORY REMAINS IN EFFECT FROM 3 PM TO 10 PM CDT
WEDNESDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM 3 PM TO 10 PM CDT
WEDNESDAY. 

WEST TO NORTHWEST WINDS WILL INCREASE TO 30 TO 45 MPH LATER
WEDNESDAY AFTERNOON...CONTINUING INTO THE EVENING.

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.

&&

$$

IAZ032-130800-
/O.CON.KFSD.WI.Y.0010.090513T2000Z-090514T0600Z/
IDA-
INCLUDING THE CITIES OF...IDA GROVE...HOLSTEIN...BATTLE CREEK
654 PM CDT TUE MAY 12 2009

...WIND ADVISORY REMAINS IN EFFECT FROM 3 PM WEDNESDAY TO 1 AM
CDT THURSDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM 3 PM WEDNESDAY TO 1 AM CDT
THURSDAY. 

WEST TO NORTHWEST WINDS WILL INCREASE TO 30 TO 45 MPH LATE
WEDNESDAY AFTERNOON...CONTINUING THROUGH THE EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADV LAKE...STICKNEY...MITCHELL...
WAGNER...PLATTE...LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT
654 PM CDT TUE MAY 12 2009

...HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON
THROUGH WEDNESDAY EVENING...

A HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON
THROUGH WEDNESDAY EVENING. 

WEST TO NORTHWEST WINDS WILL INCREASE TO 35 TO 50 MPH WEDNESDAY
AFTERNOON...CONTINUING THROUGH EARLY EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$
 JH
000 
WWUS73 KFSD 130202
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
902 PM CDT TUE MAY 12 2009

.GUSTY SOUTH WINDS WILL CONTINUE ACROSS SOUTHWEST MINNESOTA AND PARTS
OF NORTHWEST IOWA OVERNIGHT...THOUGH SPEEDS SHOULD GRADUALLY DROP OFF
THROUGH THE NIGHT.

A COLD FRONT MOVING EAST OVER THE AREA BY MORNING WILL BE
FOLLOWED BY INCREASING WEST TO NORTHWEST WINDS THROUGH WEDNESDAY
AFTERNOON. WIND SPEEDS WILL INCREASE TO A VERY STRONG 30 TO
50 MPH IN MANY AREAS...WITH THE STRONGEST WINDS EXPECTED FROM THE
JAMES VALLEY AND WEST WEDNESDAY AFTERNOON.

IAZ002-003-013-014-021-022-MNZ071-072-080-081-089-090-097-131015-
/O.EXP.KFSD.WI.Y.0009.000000T0000Z-090513T0200Z/
/O.CON.KFSD.WI.Y.0010.090513T2000Z-090514T0600Z/
OSCEOLA-DICKINSON-OBRIEN-CLAY-CHEROKEE-BUENA VISTA-LINCOLN-LYON-
MURRAY-COTTONWOOD-NOBLES-JACKSON-PIPESTONE-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...SPENCER...CHEROKEE...
STORM LAKE...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...
MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...
WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE
902 PM CDT TUE MAY 12 2009

...WIND ADVISORY REMAINS IN EFFECT FROM 3 PM WEDNESDAY TO 1 AM
CDT THURSDAY...
...WIND ADVISORY WILL EXPIRE AT 9 PM CDT THIS EVENING...

THE WIND ADVISORY FOR THIS EVENING HAS EXPIRED. A WIND ADVISORY
REMAINS IN EFFECT FROM 3 PM WEDNESDAY TO 1 AM CDT THURSDAY.

GUSTY SOUTH WINDS WILL CONTINUE OVERNIGHT...THOUGH WIND SPEEDS SHOULD
GRADUALLY DIMINISH TO 15 TO 30 MPH. WINDS WILL SWITCH TO THE WEST TO
NORTHWEST ON WEDNESDAY...INCREASING TO 30 TO 45 MPH WITH POSSIBLE
HIGHER GUSTS DURING THE LATE AFTERNOON AND EVENING.

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.

&&

$$

IAZ001-012-020-031-MNZ098-NEZ013-014-SDZ039-040-054>056-060>062-
065>071-131015-
/O.CON.KFSD.WI.Y.0010.090513T2000Z-090514T0300Z/
LYON-SIOUX-PLYMOUTH-WOODBURY-ROCK-DIXON-DAKOTA-KINGSBURY-
BROOKINGS-MINER-LAKE-MOODY-HANSON-MCCOOK-MINNEHAHA-HUTCHINSON-
TURNER-LINCOLN-BON HOMME-YANKTON-CLAY-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...LE MARS...SIOUX CITY...
LUVERNE...WAKEFIELD...PONCA...ALLEN...SOUTH SIOUX CITY...
DE SMET...ARLINGTON...LAKE PRESTON...BROOKINGS...HOWARD...
MADISON...FLANDREAU...ALEXANDRIA...EMERY...SALEM...CANISTOTA...
BRIDGEWATER...MONTROSE...SIOUX FALLS...PARKSTON...FREEMAN...
MENNO...TRIPP...PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...
CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG...TYNDALL...
SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON...VERMILLION...
NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON
902 PM CDT TUE MAY 12 2009

...WIND ADVISORY REMAINS IN EFFECT FROM 3 PM TO 10 PM CDT
WEDNESDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM 3 PM TO 10 PM CDT
WEDNESDAY. 

WEST TO NORTHWEST WINDS WILL INCREASE TO 30 TO 45 MPH LATER
WEDNESDAY AFTERNOON...CONTINUING INTO THE EVENING.

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.

&&

$$

IAZ032-131015-
/O.CON.KFSD.WI.Y.0010.090513T2000Z-090514T0600Z/
IDA-
INCLUDING THE CITIES OF...IDA GROVE...HOLSTEIN...BATTLE CREEK
902 PM CDT TUE MAY 12 2009

...WIND ADVISORY REMAINS IN EFFECT FROM 3 PM WEDNESDAY TO 1 AM
CDT THURSDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM 3 PM WEDNESDAY TO 1 AM CDT
THURSDAY. 

WEST TO NORTHWEST WINDS WILL INCREASE TO 30 TO 45 MPH LATE
WEDNESDAY AFTERNOON...CONTINUING THROUGH THE EVENING.

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>059-063-064-131015-
/O.CON.KFSD.HW.A.0001.090513T1800Z-090514T0300Z/
BEADLE-GREGORY-JERAULD-SANBORN-BRULE-AURORA-DAVISON-CHARLES MIX-
DOUGLAS-
INCLUDING THE CITIES OF...HURON...GREGORY...BURKE...
WESSINGTON SPRINGS...ALPENA...WOONSOCKET...CHAMBERLAIN...
KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...
WAGNER...PLATTE...LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT
902 PM CDT TUE MAY 12 2009

...HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON
THROUGH WEDNESDAY EVENING...

A HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON
THROUGH WEDNESDAY EVENING. 

WEST TO NORTHWEST WINDS WILL INCREASE TO 35 TO 50 MPH WEDNESDAY
AFTERNOON...CONTINUING THROUGH EARLY EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$
 JH
000 
WWUS73 KFSD 130856
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
356 AM CDT WED MAY 13 2009

.A COLD FRONT WILL BRING AN INCREASE TO WEST AND NORTHWEST
WINDS BY EARLY WEDNESDAY AFTERNOON. WIND SPEEDS WILL INCREASE TO A
VERY STRONG 30 TO 50 MPH IN MANY AREAS...WITH THE STRONGEST WINDS
EXPECTED FROM THE JAMES VALLEY AND WEST WEDNESDAY AFTERNOON.

SDZ038-050-052-053-057>059-063-064-131700-
/O.UPG.KFSD.HW.A.0001.090513T1800Z-090514T0300Z/
/O.EXB.KFSD.WI.Y.0010.090513T1800Z-090514T0300Z/
BEADLE-GREGORY-JERAULD-SANBORN-BRULE-AURORA-DAVISON-CHARLES MIX-
DOUGLAS-
INCLUDING THE CITIES OF...HURON...GREGORY...BURKE...
WESSINGTON SPRINGS...ALPENA...WOONSOCKET...CHAMBERLAIN...
KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...
WAGNER...PLATTE...LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT
356 AM CDT WED MAY 13 2009

...WIND ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 10 PM CDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 10 PM
CDT THIS EVENING. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

WEST TO NORTHWEST WINDS OF 15 TO 25 MPH AROUND SUNRISE WILL
QUICKLY INCREASE TO 25 TO 40 MPH EARLY THIS AFTERNOON. BY MID TO
LATE AFTERNOON...WIND GUSTS COULD APPROACH 50 TO 55 MPH AT TIMES.
PLEASE TAKE TIME TO SECURE ANY LOOSE OUTDOOR ITEMS THIS MORNING.

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.

&&

$$

IAZ001-012-020-031-MNZ098-NEZ013-014-SDZ039-040-054>056-060>062-
065>071-131700-
/O.CON.KFSD.WI.Y.0010.090513T2000Z-090514T0300Z/
LYON-SIOUX-PLYMOUTH-WOODBURY-ROCK-DIXON-DAKOTA-KINGSBURY-
BROOKINGS-MINER-LAKE-MOODY-HANSON-MCCOOK-MINNEHAHA-HUTCHINSON-
TURNER-LINCOLN-BON HOMME-YANKTON-CLAY-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...LE MARS...SIOUX CITY...
LUVERNE...WAKEFIELD...PONCA...ALLEN...SOUTH SIOUX CITY...
DE SMET...ARLINGTON...LAKE PRESTON...BROOKINGS...HOWARD...
MADISON...FLANDREAU...ALEXANDRIA...EMERY...SALEM...CANISTOTA...
BRIDGEWATER...MONTROSE...SIOUX FALLS...PARKSTON...FREEMAN...
MENNO...TRIPP...PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...
CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG...TYNDALL...
SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON...VERMILLION...
NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON
356 AM CDT WED MAY 13 2009

...WIND ADVISORY REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO
10 PM CDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO
10 PM CDT THIS EVENING. 

WEST TO NORTHWEST WINDS WILL INCREASE TO 25 TO 40 MPH BY MID
AFTERNOON. PLEASE TAKE TIME TO SECURE ANY LOOSE OUTDOOR ITEMS
THIS MORNING.

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-MNZ071-072-080-081-089-090-097-
131700-
/O.CON.KFSD.WI.Y.0010.090513T2000Z-090514T0600Z/
OSCEOLA-DICKINSON-OBRIEN-CLAY-CHEROKEE-BUENA VISTA-IDA-LINCOLN-
LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON-PIPESTONE-
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...
PIPESTONE
356 AM CDT WED MAY 13 2009

...WIND ADVISORY REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO
1 AM CDT THURSDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO
1 AM CDT THURSDAY. 

GUSTY SOUTH WINDS WILL SLOWLY TURN TO THE WEST TO NORTHWEST EARLY
THIS MORNING...INCREASING TO 30 TO 45 MPH WITH POSSIBLE HIGHER
GUSTS DURING THE LATE AFTERNOON AND EVENING.

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.

&&

$$
000 
WWUS73 KFSD 131557
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1057 AM CDT WED MAY 13 2009

.WINDS ARE EXPECTED TO CONTINUE TO INCREASE HEADING INTO THE EARLY
AFTERNOON AS HEATING OF THE DAY DRIVES MIXING OF WINDS FROM ALOFT
ACROSS THE AREA FROM WEST TO EAST. HOWEVER...THE PERIOD OF
STRONGEST WINDS IS EXPECTED TO DEVELOP BY MID AFTERNOON THROUGH
THE JAMES AND MISSOURI RIVER VALLEYS...SPREADING EASTWARD THROUGH
EARLY EVENING ESPECIALLY ALONG AND NORTH OF INTERSTATE 90...AS A
STRONG UPPER LEVEL WAVE LENDS SUPPORT TO SURFACING THE STRONGER
WINDS. SUSTAINED WINDS SHOULD REACH 30 TO 40 MPH FROM THE WEST TO
NORTHWEST...WITH A FEW GUSTS FROM 50 TO 55 MPH ARE POSSIBLE.

SDZ038-050-052-053-057>059-063-064-140000-
/O.CON.KFSD.WI.Y.0010.090513T1800Z-090514T0300Z/
BEADLE-GREGORY-JERAULD-SANBORN-BRULE-AURORA-DAVISON-CHARLES MIX-
DOUGLAS-
INCLUDING THE CITIES OF...HURON...GREGORY...BURKE...
WESSINGTON SPRINGS...ALPENA...WOONSOCKET...CHAMBERLAIN...
KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...
WAGNER...PLATTE...LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT
1057 AM CDT WED MAY 13 2009

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING. 

WEST TO NORTHWEST WINDS OF 20 TO 30 MPH LATE MORNING WILL CONTINUE
TO INCREASE TO A GUSTY 25 TO 35 MPH EARLY THIS AFTERNOON. STRONGEST
WINDS ARE EXPECTED TO DEVELOP MID TO LATE AFTERNOON...WITH WINDS
OF 30 TO 40 MPH WITH A FEW GUSTS TO 50 TO 55 MPH AT TIMES. PLEASE
TAKE TIME TO SECURE ANY LOOSE OUTDOOR ITEMS THIS MORNING.

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.

&&

$$

IAZ001-012-020-031-MNZ098-NEZ013-014-SDZ039-040-054>056-060>062-
065>071-140000-
/O.CON.KFSD.WI.Y.0010.090513T2000Z-090514T0300Z/
LYON-SIOUX-PLYMOUTH-WOODBURY-ROCK-DIXON-DAKOTA-KINGSBURY-
BROOKINGS-MINER-LAKE-MOODY-HANSON-MCCOOK-MINNEHAHA-HUTCHINSON-
TURNER-LINCOLN-BON HOMME-YANKTON-CLAY-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...LE MARS...SIOUX CITY...
LUVERNE...WAKEFIELD...PONCA...ALLEN...SOUTH SIOUX CITY...
DE SMET...ARLINGTON...LAKE PRESTON...BROOKINGS...HOWARD...
MADISON...FLANDREAU...ALEXANDRIA...EMERY...SALEM...CANISTOTA...
BRIDGEWATER...MONTROSE...SIOUX FALLS...PARKSTON...FREEMAN...
MENNO...TRIPP...PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...
CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG...TYNDALL...
SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON...VERMILLION...
NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON
1057 AM CDT WED MAY 13 2009

...WIND ADVISORY REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO
10 PM CDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO
10 PM CDT THIS EVENING. 

WEST TO NORTHWEST WINDS WILL CONTINUE TO INCREASE TO A GUSTY 20
TO 35 MPH BY MID AFTERNOON. STRONGEST WINDS WILL DEVELOP LATE
AFTERNOON INTO EARLY EVENING...WHEN SUSTAINED WINDS WILL BE FROM
30 TO 40 MPH...WITH A FEW GUSTS TO 50 MPH...ESPECIALLY NORTH OF
INTERSTATE 90. PLEASE TAKE TIME TO SECURE ANY LOOSE OUTDOOR ITEMS
THIS MORNING.

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-MNZ071-072-080-081-089-090-097-
140000-
/O.CON.KFSD.WI.Y.0010.090513T2000Z-090514T0600Z/
OSCEOLA-DICKINSON-OBRIEN-CLAY-CHEROKEE-BUENA VISTA-IDA-LINCOLN-
LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON-PIPESTONE-
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...
PIPESTONE
1057 AM CDT WED MAY 13 2009

...WIND ADVISORY REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO
1 AM CDT THURSDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO
1 AM CDT THURSDAY. 

WEST TO NORTHWEST WINDS ARE EXPECTED TO INCREASE GRADUALLY THROUGH
EARLY AFTERNOON...REACHING A GUSTY 25 TO 35 MPH BY MID AFTERNOON.
STRONGEST WINDS WILL DEVELOP TOWARD EVENING...WITH SUSTAINED WINDS
FROM 30 TO 40 MPH...AND A FEW GUSTS TO AROUND 50 MPH...ESPECIALLY
ALONG THE BUFFALO RIDGE THIS EVENING.

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.

&&

$$

CHAPMAN
000 
WWUS73 KFSD 132052
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
352 PM CDT WED MAY 13 2009

.STRONG WEST TO NORTHWEST WINDS OF 25 TO 40 MPH WITH POSSIBLE
GUSTS UP TO 50 MPH WILL SPREAD EAST OVER THE AREA THE REST OF THE
AFTERNOON...AND CONTINUE EAST OF INTERSTATE 29 THROUGH THE EVENING...
BEFORE DIMINISHING OVERNIGHT.

IAZ001-012-020-031-MNZ098-NEZ013-014-SDZ038>040-050-052>071-
140300-
/O.CON.KFSD.WI.Y.0010.000000T0000Z-090514T0300Z/
LYON-SIOUX-PLYMOUTH-WOODBURY-ROCK-DIXON-DAKOTA-BEADLE-KINGSBURY-
BROOKINGS-GREGORY-JERAULD-SANBORN-MINER-LAKE-MOODY-BRULE-AURORA-
DAVISON-HANSON-MCCOOK-MINNEHAHA-CHARLES MIX-DOUGLAS-HUTCHINSON-
TURNER-LINCOLN-BON HOMME-YANKTON-CLAY-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...LE MARS...SIOUX CITY...
LUVERNE...WAKEFIELD...PONCA...ALLEN...SOUTH SIOUX CITY...HURON...
DE SMET...ARLINGTON...LAKE PRESTON...BROOKINGS...GREGORY...
BURKE...WESSINGTON SPRINGS...ALPENA...WOONSOCKET...HOWARD...
MADISON...FLANDREAU...CHAMBERLAIN...KIMBALL...PLANKINTON...
WHITE LAKE...STICKNEY...MITCHELL...ALEXANDRIA...EMERY...SALEM...
CANISTOTA...BRIDGEWATER...MONTROSE...SIOUX FALLS...WAGNER...
PLATTE...LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT...
PARKSTON...FREEMAN...MENNO...TRIPP...PARKER...CENTERVILLE...
MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...LENNOX...TEA...
HARRISBURG...TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR...
YANKTON...VERMILLION...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
352 PM CDT WED MAY 13 2009

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING. 

STRONG WEST TO NORTHWEST WINDS OF 25 TO 45 MPH WILL PREVAIL
THROUGH EARLY EVENING...BEFORE DIMINISHING LATER THIS EVENING.

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-MNZ071-072-080-081-089-090-097-
140500-
/O.CON.KFSD.WI.Y.0010.000000T0000Z-090514T0600Z/
OSCEOLA-DICKINSON-OBRIEN-CLAY-CHEROKEE-BUENA VISTA-IDA-LINCOLN-
LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON-PIPESTONE-
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...
PIPESTONE
352 PM CDT WED MAY 13 2009

...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT THURSDAY...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT THURSDAY. 

STRONG WEST TO NORTHWEST WINDS OF 25 TO 40 MPH WILL PREVAIL
THROUGH THE EVENING...WITH GUSTS UP TO 50 MPH POSSIBLE...MAINLY
NEAR THE BUFFALO RIDGE.

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.

&&

$$
RSR
000 
WWUS73 KFSD 140315
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1015 PM CDT WED MAY 13 2009

.WEST TO NORTHWEST WINDS WILL STILL BE ON THE STRONG SIDE THROUGH
2 AM IN THE MORNING...BUT SHOULD BE BELOW WIND ADVISORY CRITERIA.

IAZ002-003-013-014-021-022-032-MNZ071-072-080-081-089-090-097-
140415-
/O.CAN.KFSD.WI.Y.0010.000000T0000Z-090514T0600Z/
OSCEOLA-DICKINSON-OBRIEN-CLAY-CHEROKEE-BUENA VISTA-IDA-LINCOLN-
LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON-PIPESTONE-
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...
PIPESTONE
1015 PM CDT WED MAY 13 2009

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE
WIND ADVISORY. 

STRONG WEST TO NORTHWEST WINDS OF 20 TO 35 MPH WILL BE THE RULE
UNTIL 3 AM IN THE MORNING...WITH A FEW GUSTS NEAR 40 MPH POSSIBLE
ALONG THE BUFFALO RIDGE...BUT SHOULD BE BELOW WIND ADVISORY
CRITERIA.

$$

IAZ001-012-020-031-MNZ098-NEZ013-014-SDZ038>040-050-052>071-
140415-
/O.EXP.KFSD.WI.Y.0010.000000T0000Z-090514T0300Z/
LYON-SIOUX-PLYMOUTH-WOODBURY-ROCK-DIXON-DAKOTA-BEADLE-KINGSBURY-
BROOKINGS-GREGORY-JERAULD-SANBORN-MINER-LAKE-MOODY-BRULE-AURORA-
DAVISON-HANSON-MCCOOK-MINNEHAHA-CHARLES MIX-DOUGLAS-HUTCHINSON-
TURNER-LINCOLN-BON HOMME-YANKTON-CLAY-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...LE MARS...SIOUX CITY...
LUVERNE...WAKEFIELD...PONCA...ALLEN...SOUTH SIOUX CITY...HURON...
DE SMET...ARLINGTON...LAKE PRESTON...BROOKINGS...GREGORY...
BURKE...WESSINGTON SPRINGS...ALPENA...WOONSOCKET...HOWARD...
MADISON...FLANDREAU...CHAMBERLAIN...KIMBALL...PLANKINTON...
WHITE LAKE...STICKNEY...MITCHELL...ALEXANDRIA...EMERY...SALEM...
CANISTOTA...BRIDGEWATER...MONTROSE...SIOUX FALLS...WAGNER...
PLATTE...LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT...
PARKSTON...FREEMAN...MENNO...TRIPP...PARKER...CENTERVILLE...
MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...LENNOX...TEA...
HARRISBURG...TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR...
YANKTON...VERMILLION...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
1015 PM CDT WED MAY 13 2009

...WIND ADVISORY HAS EXPIRED...

THE WIND ADVISORY IS NO LONGER IN EFFECT. 

STRONG WEST TO NORTHWEST WINDS OF 20 TO 35 MPH WILL GRADUALLY
DECREASE THE REMAINDER OF THE NIGHT.

$$
RSR

What forecasters said that day

The local office's own words before this wind advisory 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 wind advisory went out at May 12, 3:30 PM CDT, 19 minutes earlier.

Area forecast discussion, May 12, 3:30 PM CDT, 19 minutes before
AREA FORECAST DISCUSSION FOR SOUTHEAST SD/SOUTHWEST MN/NORTHWEST IA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
330 PM CDT TUE MAY 12 2009

.DISCUSSION...
MASSIVE UPR TROUGH CARVING OUT ACRS PAC NW INTO NRN ROCKIES...
KICKING LEADING IMPULSE INTO SERN MT...AND A SECONDARY WAVE WAS
PUSHING TOWARD NERN NEBRASKA. EACH IMPULSE WAS GENERATING
CONVECTION. THE FIRST MASS WILL CONTINUE TO EVOLVE ELEVATED ACRS NW
IA LATE AFTN WITH EARLY EXIT THIS EVENING...WHERE A FEW STORMS MAY
BE CAPABLE OF SMALL HAIL GIVEN DEGREE OF ELEVATED INSTABILITY.
ATTENTION THEN TURNS TOWARD FRONTAL BNDRY SLIDING EWRD OVERNIGHT.
BEHIND INITIAL PULSE OF THETA-E ADVECTION LIFTING NEWRD THRU ERN
CWA...A VERY STOUT CAP HAS DEVELOPED WITH ML CIN OF 100-200 J/KG.
UNLIKELY TO GET ANY LOCALIZED DEVELOPMENT THRU WRN CWA WITH LACK OF
BNDRY AND WELL CAPPED ENVIRONMENT THRU EARLY EVENING...AND RATHER
LOOK TO DEVELOPMENT TOWARD STRONGER DYNAMICAL FORCING IN NWRN SD
DURING LT AFTN/ERLY EVENING AS SOURCE REGION FOR EVENTUAL
CONVECTION. SOME FAIRLY STRONG LOW LVL FRONTAL FORCING WL EVOLVE
THIS EVENING AND PROGRESS SOUTHEASTWARD WITH FRONTAL BNDRY. CHOSE
FRONTAL TIMING TO BE JUST A TOUCH FASTER THAN NAM WITH COLD POOL
ENHANCED MOTION...WHICH MAY FAVOR A SMALL DAMAGING WIND EFFECT MID
TO LATE EVENING THRU NWRN CWA. SVR THREAT SHUD DIMINISH EWRD THRU
THE NIGHT WITH ONLY WK INSTABILITY. DEEP SHEAR AND A LONGISH
HODOGRAPH COULD KEEP SOME MARGINAL WIND THREAT GOING IF SYSTEM CAN
RETAIN ORGANIZATION IN FACE OF WK INSTABILITY.

WINDS WL BE CONCERN INTO THE EARLY EVENING HOURS MAINLY IN STRONGER
GRADIENT MAINLY E OF I29...ALTHOUGH A FEW LOCATIONS ALG THE I29
CORRIDOR WL BE MARGINALLY ADVY INTO EARLY EVENING. COMBINATION
OF SLIGHT EVENING STABILIZATION WITH ADVECTION OF STRATUS AND WKNG
LOW LVL GRADIENT SHUD ALLOW THE ADVY TO EXPIRE EARLY EVENING...BUT
LLJ WL CONTINUE TO BE ESTABLISHED OVERNIGHT AND KEEP BREEZY
CONDITIONS IN MOST PREFRONTAL AREAS.           /CHAPMAN

ON WED AND WED EVENING...STRONG UPPER TROF FOR THIS TIME OF YEAR
WITH A 120KT JET STREAK MOVG THRU NEB IS HELPING TO BRING A
STRONG MID LVL PV SURGE INTO OUR FA DURING THE AFTN AND EVENING.
THE INITIAL MID LEVEL WAVE EXITS OUR CWFA WED MORNING...WITH H7
FRONTOGENESIS QUITE STRONG THROUGH OUR SE PORTIONS. THEREFORE
LINGERED POPS THROUGHOUT NW IA AND IMMEDIATELY ADJACENT AREAS. BUT
AFTER THAT...THE UPPER WAVE ENCROACHES IN OUR AREA WITH VERY STRONG
PV AND CAA IN THE AFTERNOON. CAA STRATOCU WL COME DOWN AFFECTING THE
NRN HALF OF OUR FA MORE THEN OUR SOUTH...WITH VERY STRONG MIXING
NOTED. DESPITE THE MIXING POTENTIAL...WOULD NOT BE SURPRISED TO SEE
SOME STEADY TO SLIGHTLY FALLING TEMPS BY AROUND 2 PM MANY AREAS. A
FEW ISOLD SHRA MAY BE POSSIBLE IN OUR NORTH DURING THE AFTERNOON...
PROBABLY LITTLE MORE THEN SPRINKLES DUE TO THE MAJOR MIXING. BUT THE
BIG STORY WL BE THE WIND. VERY STRONG 35 TO 50 KTS RESIDES IN THE
MIXED LYR BY 18Z WED FIRST MOVG INTO OUR NWRN PORTIONS...THEN
SCOOTING RAPIDLY EWD IN THE LATE AFTERNOON AND EVENING. WITH THIS
KIND OF MIXING...CAA PV SURGE AND VERY STEEP LLV LAPSE RATES...
MEETING WIND ADVY CRITERIA LATE WED WL NOT BE A PROBLEM ANYWHERE...
THE MAIN QUESTION IS HIGH WIND CRITERIA. THE STRONGEST WINDS OFF THE
SFC JUXTAPOSED WITH THE STRONGEST PV AND CAA IS ACROSS OUR WRN
FA...SO DECIDED TO PUT THAT AREA IN A HIGH WIND WATCH WHERE
SUSTAINED TO 40 MPH IS A THREAT. NOW THEY WL NOT BE SUSTAINED 40 MPH
DURING THE WHOLE HEADLINE PERIOD...BUT MORE LIKELY FOR SEVERAL HOURS
IN THE MID AND LATE AFTERNOON. BUT ATTM...FELT THAT A WIND ADVY
MIGHT NOT HOLD OUR WEST. THE OTHER AREA TO EVENTUALLY WATCH FOR A
HIGH WIND EVENT MAY BE SW MN. THEREFORE THE ADVY MAY HAVE TO BE
UPGRADED IN THAT AREA. OTHERWISE...NIGHT SHIFT WL RE EVALUATE OUR
HIGH WIND WATCH AND IF WINDS ALOFT ARE LOWER...A WIND ADVY MAY HOLD
THEM TOO. MAX TEMPS ON WED OUR VERY TRICKY...WITH QUITE A SPREAD
BETWEEN THE MET AND MAV. MIXING WL WARM UP NW IA QUITE NICELY WITH
THE CAA NOT KICKING IN UNTIL VERY LATE IN THAT AREA. BUT
OTHERWISE...AGAIN WITH SOME STRATOCU...AN AFTERNOON TEMPERATURE RISE
MAY BE TOUGH. HEDGED TOWARD MID AND UPPER 50S AROUND HURON TO THE
LOWER 70S IN MUCH OF NW IA.

BY LATER WED NIGHT...SFC RIDGING WL BEGIN TO INFLUENCE OUR WX WHICH
WL LIKELY RAPIDLY DECREASE OUR WINDS...EVEN IN OUR EAST. WITH MAINLY
CLEAR SKIES...KEPT MIN TEMPS NEAR OR BLO THE COLDER GUUIDANCE
READINGS WHICH WAS THE MET.

THURSDAY LOOKS LIKE A PLEASANT DAY...WITH OUR NEXT MID AND UPPER
WAVE MOVG THRU THIS AREA LATE THUR NIGHT AND FRIDAY. SLGT CHC TO CHC
POPS WARRANTED WITH THIS WITH OVERALL MOISTURE BLO 750MB LIMITED.

IN THE EXTENDED FRI NIGHT THROUGH TUESDAY...NO BIG DEVIATIONS ARE
WARRANTED THIS GO AROUND. CHOSE TO BASICALLY FOLLOW THE LAST TWO
ECMWF SOLUTIONS/HPC AND THE 00Z GFS AND 00Z GFS ENS MEAN. ALL OF
THESE SOLUTIONS WERE IN THE BALLPARK...WHEREAS THE 06Z/12Z GFS LOOK
TO PUT TOO MUCH ENERGY INTO THE ONCOMING PAC NW UPPER WAVE ON MON
AND TUE. THEREFORE BELIEVE A MEAN UPPER RIDGE SHOULD TAKE SHAPE
THROUGH MUCH OF THE EXTENDED THRU THE WRN CONUS AFTER OUR MID AND
UPPER TROF EXITS THE PLAINS FRI NIGHT. COUPLE OF WARTS INCLUDE A
POSSIBLE CHANCE FOR SHRA/TS WITH A WEAK MID LVL S/W IN OUR FA IN THE
LATE SAT NIGHT THRU SUNDAY EVENING TIMEFRAME. BUT FOR NOW...CHCS
LOOKS TOO SLIM TO MENTION THAT FAR OUT. THEN ON MON AND TUE...WE
DEAL WITH A HEIGHT FALL REGIME WITH COLLAPSING UPPER FLOW...AGAIN
ASSUMMING THAT THE 06Z/12Z GFS ARE WRONG. THE COLLAPSING HEIGHT
SCENARIO DUE TO A LARGE UPPER VORTEX OVER THE SE QUAD OF CANADA
WOULD MEAN A FROPA FOR OUR AREA EARLY NEXT WEEK...WITH CHILLY AIR
AROUND ON TUE...TAKEN LITERALLY MUCH COOLER THEN WHAT WE HAVE NOW.
MUCH OF THE PCPN CHCS SO FAR MAY BE SOUTH OF OUR FA WHERE THE SFC
BOUNDARY HANGS UP...BUT WILL RE EVALUATE ON WED AS IT IS CLOSE FOR
POPS MON AND TUE. TEMP WISE...SOME OF THE WARMER HPC NUMBERS LOOKED
BETTER ON SUNDAY AND MONDAY. AGAIN...WE MAY BE TOO WARM ON TUESDAY.
/MJF

&&

.AVIATION...
STRONG WINDS ARE THE PRIMARY CONCERN IN THE SHORTEST TERM. SOUTH
WINDS WL GUST AOA 25KTS AS LOW LVL JET MIXES DOWN TO THE SFC THRU
REMAINDER OF THE AFTN...WITH STRONGEST WINDS EXPECTED ALG AND E OF
I 29.  A STRONG LOW LEVEL JET OF 50-60 KTS IS EXPECTED TO REDEVELOP
AROUND 3K FEET AGL TUESDAY EVENING. THE STRONGEST WINDS ARE EXPECTED
TO REMAIN FOCUSED EAST OF INTERSTATE 29 THROUGH 09Z WED...AND
DESPITE THE EXISTING STRONGER SFC GRADIENT AND MIXED LYR RETENTION
INTO THE EVNG...SHUD EVENTUALLY GET ENOUGH SHEAR TO WARRANT LLWS
MENTION FOR KFSD AND KHON PREFRONTAL STARTING LATER EVNG. ANOTHER
CONCERN IS STRATUS...WHICH CONTINUES TO FILTER NWRD THRU NEBRASKA
INTO FAR SERN SD. CIGS HAVE CREPT INTO MVFR...BUT SOME IFR CIGS
THRU ERN NEBRASKA. EXPECT CIGS WL CONTINUE TO LOWER INTO THE EVNG
HOURS FOR KFSD AND KSUX...POSSIBLY INTO UPR END OF THE IFR RANGE FOR
KSUX AND EWRD LATE EVNG AS MOISTURE DEEPENS. COLD FRONT APPROACHES
FROM THE NORTHWEST IMPACTING THE KHON TERMINAL AROUND 07Z WED...AND
CDFNT SHUD FOCUS THE MAIN CONVECTIVE THREAT IN THE PD. ONE CLUSTER
OF THUNDERSTORMS WL PUSH THRU THE KSUX VCNTY THRU 22Z.   /CHAPMAN

&&

.FSD WATCHES/WARNINGS/ADVISORIES...
IA...WIND ADVISORY UNTIL 7 PM CDT THIS EVENING FOR IAZ002-003-013-
     014-021-022.

     WIND ADVISORY 3 PM CDT WEDNESDAY THROUGH 10 PM CDT WEDNESDAY
     FOR IAZ001-012-020-031.

     WIND ADVISORY 3 PM CDT WEDNESDAY THROUGH 1 AM CDT THURSDAY
     FOR IAZ002-003-013-014-021-022-032.

MN...WIND ADVISORY UNTIL 7 PM CDT THIS EVENING FOR MNZ071-072-080-
     081-089-090-097.

     WIND ADVISORY 3 PM CDT WEDNESDAY THROUGH 10 PM CDT WEDNESDAY
     FOR MNZ098.

     WIND ADVISORY 3 PM CDT WEDNESDAY THROUGH 1 AM CDT THURSDAY
     FOR MNZ071-072-080-081-089-090-097.

NE...WIND ADVISORY 3 PM CDT WEDNESDAY TO 10 PM CDT WEDNESDAY
     NEZ013-014.

SD...HIGH WIND WATCH 1 PM CDT WEDNESDAY TO 10 PM CDT WEDNESDAY
     SDZ038-SDZ050-052-053-057>060-063-064.

     WIND ADVISORY 3 PM CDT WEDNESDAY TO 10 PM CDT WEDNESDAY
     SDZ039-040-054>056-060>062-065>071.
&&
Hazardous weather outlook, May 12, 11:35 AM CDT, 4 hours 14 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1135 AM CDT TUE MAY 12 2009

SDZ038>040-050-052>071-MNZ071-072-080-081-089-090-097-098-
IAZ001>003-012>014-020>022-031-032-NEZ013-014-131200-
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-
1135 AM CDT TUE MAY 12 2009

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

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS...
SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS EVENING WEST
OF THE JAMES VALLEY AND THEN SPREAD EAST DURING THE NIGHT. A FEW
OF THE STORMS COULD BECOME SEVERE SOUTHWEST ALONG AND WEST OF THE
JAMES RIVER DURING THE LATE EVENING AND OVER PORTIONS OF
NORTHWEST IOWA LATER TONIGHT. THE MAIN THREAT WOULD BE LARGE HAIL
AND STRONG WINDS.

WIND AND FOG...
STRONG SOUTH WINDS WILL GUST IN EXCESS OF 40 MPH AT TIMES EAST OF
INTERSTATE 29 LATER THIS MORNING AND AFTERNOON.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

STRONG WEST TO NORTHWEST WINDS OF 25 TO 45 MPH WILL OCCUR ACROSS
THE AREA ON WEDNESDAY BEHIND A COLD FRONT.

THE GRASSLAND FIRE DANGER WILL LIKELY REACH THE VERY HIGH
CATEGORY ALONG AND WEST OF THE JAMES VALLEY...AND OVER PORTIONS
OF SOUTHWEST MINNESOTA WEDNESDAY AFTERNOON.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL BE POSSIBLE AFTER 8 PM CDT WEST OF THE
JAMES
VALLEY AND AFTER MIDNIGHT ACROSS NORTHWEST IOWA.

&&

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
May 12, 3:49 PM CDTHigh Wind WatchFSDAurora, Beadle, Brule, Charles Mix, Davison, Douglas and 3 more12 hr
May 12, 3:34 AM CDTWind AdvisoryFSDBuena Vista, Cherokee, Clay, Dickinson, O'Brien, Osceola17 hr

Nearby

Wind Advisories in South Dakota, 2009Wind Advisories in Iowa, 2009Wind Advisories in Minnesota, 2009Every wind advisory in 2009

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.