Alert archive / South Dakota / Wind Advisories in 2008

Wind Advisory 9, NWS Sioux Falls, SD

May 10, 20084 states

NWS Sioux Falls, SD issued this wind advisory at May 10, 2008, 3:22 AM CDT for 4 states. It took effect at May 10, 2008, 10:58 AM CDT. It was in force for 17 hr.

The area

The counties it named.

The facts

Issued
May 10, 2008, 3:22 AM CDT (08:22 UTC)
In effect from
May 10, 2008, 10:58 AM CDT
Expired
May 11, 2008, 3:57 AM CDT
In force
17 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 08:26 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 00:00Z, 8.4 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 00:00Z on 2008-05-10Temperature 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 00:00Z on 2008-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -20 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1175 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
-20 m²/s²
0-3 km storm-relative helicity
26 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.

000 
WWUS73 KFSD 100822
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
322 AM CDT SAT MAY 10 2008

.LOW PRESSURE WILL DEEPEN OVER IOWA LATER TODAY...SETTING UP A
STRONG PRESSURE GRADIENT OVER THE AREA. THIS WILL BRING A SHIFT IN
WINDS TO THE NORTHWEST AS WELL AS AN INCREASE IN STRENGTH. THE
STRONGEST WINDS SHOULD OCCUR FROM THIS AFTERNOON INTO EARLY SUNDAY
MORNING.

SDZ038-050-052-053-057>059-063-064-101630-
/O.NEW.KFSD.WI.Y.0009.080510T1800Z-080511T0300Z/
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
322 AM CDT SAT MAY 10 2008

...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. 

WINDS WILL SWING AROUND TO THE NORTHWEST EARLY THIS AFTERNOON AND
INCREASE RAPIDLY. EXPECT WINDS OF 25 TO 35 MPH WITH GUSTS AROUND
40 MPH. 

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.

$$

NEZ013-SDZ060-061-065-066-068>070-101630-
/O.NEW.KFSD.WI.Y.0009.080510T2100Z-080511T0900Z/
DIXON-HANSON-MCCOOK-HUTCHINSON-TURNER-BON HOMME-YANKTON-CLAY-
INCLUDING THE CITIES OF...WAKEFIELD...PONCA...ALLEN...
ALEXANDRIA...EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE...
PARKSTON...FREEMAN...MENNO...TRIPP...PARKER...CENTERVILLE...
MARION...VIBORG...HURLEY...CHANCELLOR...TYNDALL...SCOTLAND...
SPRINGFIELD...AVON...TABOR...YANKTON...VERMILLION
322 AM CDT SAT MAY 10 2008

...WIND ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM CDT
SUNDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM
CDT SUNDAY. 

WINDS WILL SWING AROUND TO THE NORTHWEST LATE THIS AFTERNOON AND
INCREASE RAPIDLY. EXPECT WINDS OF 25 TO 35 MPH WITH GUSTS AROUND
40 MPH.

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.

$$

IAZ002-003-012>014-020>022-031-032-NEZ014-SDZ071-101630-
/O.NEW.KFSD.WI.Y.0009.080511T0300Z-080511T1200Z/
OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-BUENA VISTA-
WOODBURY-IDA-DAKOTA-UNION-
INCLUDING THE CITIES OF...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...
SOUTH SIOUX CITY...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
322 AM CDT SAT MAY 10 2008

...WIND ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 7 AM CDT
SUNDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 7 AM CDT
SUNDAY. 

WINDS WILL SWING AROUND TO THE NORTHWEST THIS EVENING AND INCREASE
RAPIDLY. EXPECT WINDS OF 25 TO 35 MPH WITH GUSTS AROUND 40 MPH.

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.

$$
4 follow-up statements
000 
WWUS73 KFSD 101558
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1058 AM CDT SAT MAY 10 2008

.LOW PRESSURE WILL MOVE EAST AND DEEPEN ALONG THE IOWA AND
MISSOURI BORDER LATE TODAY AND THIS EVENING. THIS WILL CREATE
STRONG WINDS ACROSS THIS AREA...MOVING FROM WEST TO EAST.

MNZ071-097-SDZ039-040-054>056-062-067-110000-
/O.EXA.KFSD.WI.Y.0009.080510T2100Z-080511T0900Z/
LINCOLN-PIPESTONE-KINGSBURY-BROOKINGS-MINER-LAKE-MOODY-MINNEHAHA-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...PIPESTONE...DE SMET...ARLINGTON...LAKE PRESTON...
BROOKINGS...HOWARD...MADISON...FLANDREAU...SIOUX FALLS...CANTON...
LENNOX...TEA...HARRISBURG
1058 AM CDT SAT MAY 10 2008

...WIND ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM CDT
SUNDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM
CDT SUNDAY. 

WINDS WILL SWING AROUND TO THE NORTHWEST...WITH THE PROGRESSION OF
THIS WIND SHIFT OCCURRING DURING THE AFTERNOON HOURS. BEHIND THE
WIND SHIFT...THE WINDS WILL INCREASE RAPIDLY. THE STRONGEST WINDS
WILL OCCUR FROM LATE AFTERNOON THROUGH MIDNIGHT...WHERE 25 TO 40
MPH WIND SPEEDS ARE EXPECTED. THE WINDS WILL THEN SUBSIDE FROM
WEST TO EAST AFTER MIDNIGHT. 

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-MNZ072-080-081-089-090-098-110000-
/O.EXA.KFSD.WI.Y.0009.080511T0300Z-080511T1200Z/
LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON-ROCK-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...
WORTHINGTON...JACKSON...LAKEFIELD...LUVERNE
1058 AM CDT SAT MAY 10 2008

...WIND ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 7 AM CDT
SUNDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 7 AM CDT
SUNDAY. 

WINDS WILL SWING AROUND TO THE NORTHWEST VERY LATE THIS AFTERNOON
AND EVENING. BEHIND THE WIND SHIFT...THE SPEEDS WILL INCREASE
RAPIDLY...WITH THE STRONGEST WINDS EXPECTED FROM THIS EVENING TO
THE PRE DAWN HOURS EARLY SUNDAY MORNING. THE WINDS WILL AVERAGE 25
TO 40 MPH DURING THIS TIME. 

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.

$$

SDZ071-110000-
/O.EXT.KFSD.WI.Y.0009.080510T2100Z-080511T0900Z/
UNION-
INCLUDING THE CITIES OF...NORTH SIOUX CITY...BERESFORD...
ELK POINT...ALCESTER...JEFFERSON
1058 AM CDT SAT MAY 10 2008

...WIND ADVISORY NOW IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM
CDT SUNDAY...

THE WIND ADVISORY IS NOW IN EFFECT FROM 4 PM THIS AFTERNOON TO
4 AM CDT SUNDAY. 

IT NOW APPEARS THAT THE WIND WILL SHIFT TO THE NORTHWEST IN
EXTREME SOUTHEAST SOUTH DAKOTA LATE THIS AFTERNOON. ONCE THE WIND
SHIFTS...SPEEDS WILL INCREASE RAPIDLY AND WILL AVERAGE 25 TO 40 MPH
THIS EVENING AND OVERNIGHT. THE WIND SPEED WILL BEGIN TO SUBSIDE
DURING THE PRE DAWN HOURS EARLY SUNDAY MORNING. 

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>059-063-064-110000-
/O.CON.KFSD.WI.Y.0009.080510T1800Z-080511T0300Z/
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
1058 AM CDT SAT MAY 10 2008

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

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

WINDS WILL SWING AROUND TO THE NORTHWEST EARLY THIS AFTERNOON AND
INCREASE RAPIDLY. EXPECT WINDS OF 25 TO 35 MPH WITH GUSTS AROUND
40 MPH. WIND SPEEDS WILL THEN DECREASE BY MID EVENING. 

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.

$$

NEZ013-SDZ060-061-065-066-068>070-110000-
/O.CON.KFSD.WI.Y.0009.080510T2100Z-080511T0900Z/
DIXON-HANSON-MCCOOK-HUTCHINSON-TURNER-BON HOMME-YANKTON-CLAY-
INCLUDING THE CITIES OF...WAKEFIELD...PONCA...ALLEN...
ALEXANDRIA...EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE...
PARKSTON...FREEMAN...MENNO...TRIPP...PARKER...CENTERVILLE...
MARION...VIBORG...HURLEY...CHANCELLOR...TYNDALL...SCOTLAND...
SPRINGFIELD...AVON...TABOR...YANKTON...VERMILLION
1058 AM CDT SAT MAY 10 2008

...WIND ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO
4 AM CDT SUNDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO
4 AM CDT SUNDAY. 

WINDS WILL SWING AROUND TO THE NORTHWEST...WITH THE PROGRESSION OF
THIS WIND SHIFT OCCURRING DURING THE MID AND LATE AFTERNOON HOURS.
BEHIND THE WIND SHIFT...THE WINDS WILL INCREASE RAPIDLY. THE
STRONGEST WINDS WILL OCCUR FROM LATE AFTERNOON THROUGH MIDNIGHT...
WHERE 25 TO 40 MPH WIND SPEEDS ARE EXPECTED. THE WINDS WILL THEN
SUBSIDE FROM WEST TO EAST AFTER MIDNIGHT.

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.

$$

IAZ002-003-012>014-020>022-031-032-NEZ014-110000-
/O.CON.KFSD.WI.Y.0009.080511T0300Z-080511T1200Z/
OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-BUENA VISTA-
WOODBURY-IDA-DAKOTA-
INCLUDING THE CITIES OF...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...
SOUTH SIOUX CITY
1058 AM CDT SAT MAY 10 2008

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

A WIND ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 7 AM
CDT SUNDAY. 

WINDS WILL SWING AROUND TO THE NORTHWEST...WITH THE PROGRESSION OF
THE WIND SHIFT OCCURRING FROM EXTREMELY LATE THIS AFTERNOON
THROUGH MID EVENING. ONCE THE WIND SHIFTS...SPEEDS WILL INCREASE
RAPIDLY AND WILL AVERAGE 25 TO 40 MPH. A FEW HIGHER GUSTS TO
AROUND 45 MPH ARE POSSIBLE OVERNIGHT TONIGHT. IT IS VERY POSSIBLE
THAT SOME OF THE STRONGER WINDS WILL REACH SIOUX CITY ITSELF BY
AROUND 7 TO 8 PM. FURTHER EAST...THE STRONG WINDS WILL LIKELY
REACH THE SPENCER AND STORM LAKE AREAS BY AROUND 11 PM.

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.

$$

 MJF
000 
WWUS73 KFSD 102053
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
353 PM CDT SAT MAY 10 2008

.STRONG WINDS WILL DEVELOP ACROSS THE AREA FROM WEST TO EAST LATE
THIS AFTERNOON AND EVENING AS STRONG LOW PRESSURE PULLS SLOWLY
EASTWARD ALONG THE MISSOURI AND IOWA BORDER.  THE WINDS WILL START
TO EASE THROUGH THE JAMES VALLEY AFTER SUNSET...SLOWLY EASING FROM
WEST TO EAST OVERNIGHT.

SDZ038-050-052-053-057>059-063-064-110300-
/O.CON.KFSD.WI.Y.0009.000000T0000Z-080511T0300Z/
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
353 PM CDT SAT MAY 10 2008

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

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

NORTHWEST WINDS WILL AVERAGE 25 TO 35 MPH INTO THE EVENING...WITH
OCCASIONAL GUSTS TO AROUND 40 MPH. WIND SPEEDS WILL THEN DECREASE
AFTER SUNSET.

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.

$$

MNZ071-097-NEZ013-SDZ039-040-054>056-060>062-065>071-110500-
/O.CON.KFSD.WI.Y.0009.080510T2100Z-080511T0900Z/
LINCOLN-PIPESTONE-DIXON-KINGSBURY-BROOKINGS-MINER-LAKE-MOODY-
HANSON-MCCOOK-MINNEHAHA-HUTCHINSON-TURNER-BON HOMME-YANKTON-CLAY-
UNION-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...PIPESTONE...WAKEFIELD...PONCA...ALLEN...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
353 PM CDT SAT MAY 10 2008

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM CDT SUNDAY...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM CDT SUNDAY. 

AS WINDS SWING AROUND TO THE NORTHWEST LATE THIS AFTERNOON...
WINDS WILL INCREASE RAPIDLY. THE STRONGEST WINDS WILL OCCUR FROM
LATE AFTERNOON THROUGH MIDNIGHT...WHERE GUSTY 25 TO 40 MPH WINDS
ARE EXPECTED. THE WINDS WILL THEN SUBSIDE FROM WEST TO EAST AFTER
MIDNIGHT.

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>003-012>014-020>022-031-032-MNZ072-080-081-089-090-098-
NEZ014-110500-
/O.CON.KFSD.WI.Y.0009.080511T0300Z-080511T1200Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-
BUENA VISTA-WOODBURY-IDA-MURRAY-COTTONWOOD-NOBLES-JACKSON-ROCK-
DAKOTA-
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...MARSHALL...SLAYTON...
FULDA...WINDOM...MOUNTAIN LAKE...WORTHINGTON...JACKSON...
LAKEFIELD...LUVERNE...SOUTH SIOUX CITY
353 PM CDT SAT MAY 10 2008

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

A WIND ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 7 AM
CDT SUNDAY. 

WINDS WILL SWING AROUND TO THE NORTHWEST...WITH THE PROGRESSION
OF THE WIND SHIFT OCCURRING FROM EXTREMELY LATE THIS AFTERNOON
THROUGH MID EVENING. ONCE THE WIND SHIFTS...SPEEDS WILL INCREASE
RAPIDLY AND WILL AVERAGE 25 TO 40 MPH. A FEW HIGHER GUSTS TO
AROUND 45 MPH ARE POSSIBLE OVERNIGHT TONIGHT. IT IS VERY POSSIBLE
THAT SOME OF THE STRONGER WINDS WILL REACH SIOUX CITY ITSELF BY
AROUND 7 PM. FURTHER EAST...THE STRONG WINDS WILL LIKELY REACH
THE SPENCER AND STORM LAKE AREAS BY AROUND 10 PM.

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 110201
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
901 PM CDT SAT MAY 10 2008

.STRONG WINDS WILL CONTINUE TO SPREAD EASTWARD LATE THIS EVENING
THROUGH NORTHWEST IOWA AS STRONG LOW PRESSURE PULLS SLOWLY
EASTWARD ALONG THE MISSOURI AND IOWA BORDER. AS HIGH PRESSURE
BUILDS TOWARD EASTERN SOUTH DAKOTA OVERNIGHT...THE WINDS WILL
CONTINUE TO EASE FROM WEST TO EAST THROUGH THE AREA AS SKIES
GRADUALLY CLEAR.

SDZ038-050-052-053-057>059-063-064-110315-
/O.CAN.KFSD.WI.Y.0009.000000T0000Z-080511T0300Z/
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
901 PM CDT SAT MAY 10 2008

...WIND ADVISORY IS CANCELLED...

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

UNDER CLEARING SKIES...WINDS WILL CONTINUE TO SLOWLY DECREASE
THROUGH TONIGHT.

$$

MNZ071-097-NEZ013-SDZ039-040-054>056-060>062-065>071-110600-
/O.EXT.KFSD.WI.Y.0009.000000T0000Z-080511T0600Z/
LINCOLN-PIPESTONE-DIXON-KINGSBURY-BROOKINGS-MINER-LAKE-MOODY-
HANSON-MCCOOK-MINNEHAHA-HUTCHINSON-TURNER-BON HOMME-YANKTON-CLAY-
UNION-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...PIPESTONE...WAKEFIELD...PONCA...ALLEN...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
901 PM CDT SAT MAY 10 2008

...WIND ADVISORY NOW IN EFFECT UNTIL 1 AM CDT SUNDAY...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 1 AM CDT SUNDAY. 

STRONG NORTH WINDS WILL OCCUR LATE THIS EVENING...WHERE GUSTY 25
TO 40 MPH WINDS ARE EXPECTED. THE WINDS WILL THEN SUBSIDE FROM
WEST TO EAST AFTER MIDNIGHT.

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>003-012>014-020>022-031-032-MNZ072-080-081-089-090-098-
NEZ014-111015-
/O.EXT.KFSD.WI.Y.0009.080511T0156Z-080511T1200Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-
BUENA VISTA-WOODBURY-IDA-MURRAY-COTTONWOOD-NOBLES-JACKSON-ROCK-
DAKOTA-
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...MARSHALL...SLAYTON...
FULDA...WINDOM...MOUNTAIN LAKE...WORTHINGTON...JACKSON...
LAKEFIELD...LUVERNE...SOUTH SIOUX CITY
901 PM CDT SAT MAY 10 2008

...WIND ADVISORY NOW IN EFFECT UNTIL 7 AM CDT SUNDAY...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 7 AM CDT SUNDAY. 

NORTH WINDS WILL CONTINUE TO PICK UP ACROSS AREAS FROM THE IOWA
GREAT LAKES SOUTHWARD THROUGH IDA GROVE AND STORM LAKE...TO MATCH
OTHER AREAS WITH STRONG NORTH WINDS ACROSS SOUTHWEST MINNESOTA AND
THROUGH THE LOWER MISSOURI RIVER VALLEY. WINDS SPEEDS WILL REACH
AN AVERAGE OF A GUSTY 25 TO 40 MPH. A FEW GUSTS TO AROUND 45 MPH
ARE POSSIBLE OVERNIGHT TONIGHT. 

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 110857
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
357 AM CDT SUN MAY 11 2008

.AS LOW PRESSURE EXITS THE AREA...NORTHWEST WINDS WILL SLOWLY
DECREASE THROUGH THE MORNING.

IAZ001>003-012>014-020>022-031-032-MNZ072-080-081-089-090-098-
NEZ014-111000-
/O.CAN.KFSD.WI.Y.0009.000000T0000Z-080511T1200Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-
BUENA VISTA-WOODBURY-IDA-MURRAY-COTTONWOOD-NOBLES-JACKSON-ROCK-
DAKOTA-
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...MARSHALL...SLAYTON...
FULDA...WINDOM...MOUNTAIN LAKE...WORTHINGTON...JACKSON...
LAKEFIELD...LUVERNE...SOUTH SIOUX CITY
357 AM CDT SUN MAY 11 2008

...WIND ADVISORY IS CANCELLED...

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

STRONG NORTHWEST WINDS WILL CONTINUE TO SLOWLY DECREASE THROUGH
THE MORNING HOURS.

$$

LIEBL

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 9, 9:30 PM CDT, 5 hours 52 minutes earlier.

Area forecast discussion, May 9, 9:30 PM CDT, 5 hours 52 minutes before
AREA FORECAST DISCUSSION FOR SOUTHEAST SD/SOUTHWEST MN/NORTHWEST IA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
930 PM CDT FRI MAY 9 2008

.DISCUSSION...

SHORTWAVE CONTINUING TO PUSH OUT OF THE ROCKIES THIS EVENING...WITH
BROAD AREA OF SHOWERS OCCURRING THROUGH THE WESTERN PORTIONS OF
SOUTH DAKOTA AND NEBRASKA WHERE BEST MIDLEVEL WAA/ISENTROPIC LIFT
AND MOISTURE TRANSPORT EXIST. CURRENT SPEED OF PRECIPITATION SHIELD
WOULD PLACE IT IN OUR FAR WESTERN CWA AROUND 05Z 0R 06Z
TONIGHT...AND DID PUSH UP TIMING OF PRECIP EVER SO SLIGHTLY IN
PORTIONS OF THIS AREA LATER TONIGHT. DEWPOINTS HAVE ALSO BEEN
RUNNING A LITTLE HIGHER THAN FORECASTED WITH LOW LEVEL MOISTURE
TRANSPORT INTO THE AREA...SO HAVE ADJUSTED THEM UPWARDS ACCORDINGLY.
OTHERWISE... CURRENT FORECAST HOLDING UP PRETTY WELL. MINOR UPDATES
OUT SHORTLY.  /JM

&&

.AVIATION...

CIGS EXPECTED TO REMAIN VFR THOUGH 06Z. LOW CLOUDS WILL BEGIN TO
MOVE INTO THE AREA REACHING KHON BY 11Z AND THEN TO KFSD AND KSUX
AFTER 12Z. RAIN EXPECTED TO BE STEADY THROUGH MUCH OF THE DAY AND
THAT WILL BRING CIGS AOB 1000 FT FOR MUCH OF THE DAY. ALSO VSBYS
WILL BE MVFR ALL DAY WITH PERIODS OF IFR VSBYS DUE TO A COMBINATION
OF RAIN AND LIGHT FOG. FINALLY...AS THE INVERTED TROUGH MOVES
THROUGH WINDS WILL BACK FROM EAST TO NORTHWEST. ONCE WINDS SWITCH TO
NORTH...SPEEDS WILL INCREASE TO 15 TO 20 KTS WITH GUSTS APPROACHING
30 KTS.  /SCHUMACHER

&&

.PREV DISCUSSION...

SOME OF THE LOWER CLOUDS HAVE CURRENTLY ERODED THRU PARTS OF SW
MN...NW IA AND EXTREME SERN SD. SOME OF THE CLEAR AREAS MAY BEGIN TO
CU UP WITH COOL AIR ALOFT LATE THIS AFTERNOON PRODUCING A LESS THAN
PRISTINE SKY. BUT OTHERWISE THE BIG STORY IS THE WELL ADVERTISED
UPPER LOW...WHICH WL MOV INTO THE WRN PLAINS BY 12Z SATURDAY. STRONG
DYNAMICS EXISTS WITH THIS SYSTEM AND THE MID LVL FEATURES...SUCH AS
QG FORCING BEGIN TO SPILL OVER INTO THIS FA AFTER MIDNIGHT. BROAD
AND STRONG ASCENT BEGINS TO TAKEOVER FM W TO E LATE TONIGHT...
HOWEVER WHEN LOOKING AT THE POSITIVE TROP PRS ADVECTION...OUR ERN FA
MAINLY E OF I 29 MAY STAY IN A SUBSIDENCE REGIME INTO 12Z SATURDAY.
AREAS OF E OF 129 ARE ALSO FIGHTING LOW LEVEL DRY AIR WHICH CONTS TO
ADVECT IN FM THE EAST TONIGHT. THUS WE LOWERED OUR POPS A BIT OVR
MUCH OF SW MN AND NW IA. HEADING WWD...RAIN CHANCES BECOME EXCELLENT
IN THE NW QUARTER OF OUR FA AFT MIDNIGHT WITH DEEP SATURATION...
ASCENT AND EVEN SOME PRETTY DECENT H85 FRONTOGENESIS. ATTM...LEFT
OUT THE MENTION OF THUNDER BUT WOULD NOT RULE OUT AN ISOLD EMBEDDED
TS PER THE NAM ELEVATED LIFTED INDICES IN OUR EXTREME WEST AROUND
CHAMBERLAIN...JUST AHEAD OF THE H85 WIND SHIFT LINE. OUR GOING LOWS
LOOKED GOOD...AND ALTERED VERY LITTLE. SHOULD BE NEARLY ISOTHERMAL
FM 925MB.

SATURDAY LOOKS TO BE PRETTY MUCH A WASHOUT FOR MOST. VERY STRONG
DYNAMIC FORCING WITH MID LVL CYCLOGENESIS OCCURRING AS SYSTEM DIGS
THRU SD AND NEBRASKA. MOISTURE TRANSPORT AT 850/700 HPA MAXIMIZES IN
MORNING AND EARLY AFTN AS MAIN AXIS SLIDES SLOWLY TO THE EAST INTO
THE AFTN...AS STRONG DIV Q AXIS AHEAD OF WAVE SLAMS INTO AREA. 12Z
SLNS SUGGESTED DRY SLOT ALFT WOULD PUNCH INTO SERN SD AND EVENTUALLY
NW IA DURING AFTN...BUT 18Z NAM HAS REALLY BACKED OFF WITH UPR CIRC
A BIT MORE TO S. THIS WOULD BE A SOGGIER SLN ESPLY THRU NRN CWA
WHERE FRONTAL BAND HOLDS IN PLACE THRU THE AFTN. WHILE HARDLY A
GREAT DEAL OF INSTABILITY ALFT...SOME NEUTRALITY TO WK INSTABILITY
FOLLOWS ALONG FOR AT LEAST A MINIMAL THREAT OF THUNDER ON NOSE OF
MAIN FORCING TIMING...COLLAPSING BY AFTN INTO FAR SRN CWA.
OTHERWISE...CONCERN REALLY IS ON TWO FRONTS FOR SAT...HYDROLOGICAL
DUE TO THE POTENTIAL FOR 1 TO 2 INCH RAINS THRU SAT EVENING...AND
THEN THE STRONG WINDS LKLY BEHIND SYSTEM. WL LKLY ISSUE ESF FOR
EXPECTED RAINFALL EFFECT ON RIVER LEVELS BY THIS EVENING.
OTHERWISE...WL ALSO SEE WINDS INCREASE ON BACK SIDE OF SYSTEM.
35 TO 45 KTS AT TOP OF MIXED LYR...WITH GREATEST WIND ON BACK OF
INVERTED TROUGH/SUBSIDENT EDGE OF 925 HPA FRONTOGENESIS. WL LKLY
GET AT LEAST CLOSE TO WIND ADVY LEVELS BY LTR AFTN FROM JAMES VALLEY
WWRD...CONTINUING EWRD THRU THE EVNG. PLENTY OF TIME TONIGHT AND
EVEN EARLY SAT TO GET TIMING NAILED DOWN AS TO WIND INCREASE...AND
DEFER ANY ADVY TO LATER SHIFTS.

WHILE A VERY DISCOURAGING THING TO DO...NAM AND GFS CONCUR THAT TMPS
WL BE CLOSE ENOUGH AND COLD ENOUGH /-2 TO -4C AT 850 HPA/ TO WARRANT
A MENTION OF SNOW ACRS WRN AND FAR NRN CWA SAT NIGHT...DELAYED
ENOUGH TO ALLOW SOME HELP WITH DIURNAL CYCLE. ANY ACCUMULATION WOULD
BE MINIMAL AND FLEETING...WITH BEST THREAT TO GET A LITTLE SLUSH ON
GRASSY SURFACES OF HIGHEST ELEVATIONS W OF MO RVR...SW OF KHON...AND
TOWARD THE NRN BUFFALO RIDGE.

SUN...AFTER THREAT OF LINGERING PCPN EARLY FAR E...AND MONDAY WL BE
FAIRLY QUIET...WITH SOME WINDY CONDITIONS E ON SUNDAY WITH SELF
DESTRUCTIVE SUNSHINE.  MONDAY...AS BNDRY APPROACHES FAR WRN CWA LATE
IN DAY...KEPT TOWARD EVENING A VERY SMALL CHC OF THUNDER. WOULD BE
NOTABLY WARMER...BUT SOME HEDGING DOWN FROM FULL MIXING BASED ON CI
POTENTIAL AS WELL AS MOIST AND GREENING CONDITIONS AND A MORE SELY
COMPONENT. EXCEPTION WL BE TOWARD SCNTRL SD...WHERE BUMPED UP A FEW
DEGREES MORE.

IN THE EXTENDED RANGE /TUE THRU FRI/ TENDENCY FOR AN AMPLIFIED
PATTERN CONTINUES NEXT WEEK AS THE ATMOSPHERE CONTINUES ITS ATTEMPT
TO SPIN DOWN THE COLD SEASON ENERGY BOOST. SIGNIFICANT QUESTIONS AS
TO LOCATION AND TIMING OF BETTER PHASING EVENT FROM AN ENSEMBLE
PERSPECTIVE... WITH SEVERAL SLNS WITHIN 00Z SET AND NOW SUPPORT OF
12Z GFS TO SPLIT TROUGH ENOUGH TO HAVE NRN STREAM AND BECOME
DOMINANT IN THE MID RANGE...SEPARATE FROM CLOSED CIRCULATION WHICH
WANDERS TOWARD SWRN U.S. AND MOVES INTO THE MID PLAINS MID WEEK AS
BNDRY SLOWLY MOVES SWRD...PHASING UP WITH UPSTREAM ENERGY TO E.
GENERALLY ECMWF TENDS TO PERFORM BETTER IN THIS TYPE OF PATTERN...
AND AS THEY SAY...WHEN IN ROME... IN THIS CASE... HOWEVER...HEDGED
CAUTIOUSLY TOWARD A GFS IDEA AS ECMWF SEEMS JUST TOO CLOSED UP AND
GFS TOO PROGRESSIVE.

WOULD CERTAINLY FAVOR SOME HIER POPS THAN FCST CONTAINS WITH SUCH
A SYSTEM IN A 12H PERIOD...BUT TIMING MAKES A LOWER POP A WISE
CHOICE AT THE TIME. WL CONTINUE TO DRAG HIGHEST POPS ALG AND JUST
BEHIND FRONTAL BNDRY SLOWLY SEWRD THRU PD. AS THE MAIN BNDRY
MIGRATES AWAY...WILL GRADUALLY WIND DOWN THE POPS AND REMOVE THUNDER
MENTION.  THU AND FRI...KEPT DRY FOR NOW WITH SECONDARY ENERGY
SLIDING BY...BUT POTENTIALLY MAY NEED A SMALL POP TO ACCOUNT FOR
WHAT IS LOOKING LIKE A POTENTIALLY MORE SIGNIFICANT TROP UNDULATION
PASSING BY WED NIGHT INTO EARLY THU.  TMPS RESTRAINED BY CLOUDS/PCPN
THREAT SOMEWHAT TUE/WED...BUT WL HAVE POTENTIAL TO WARM UP A BIT
MORE ON TUE AHEAD OF BNDRY IN NW IA...AS WELL AS POOL DWPTS INTO THE
LOWER 50S.  LATE WEEK...TMPS SHUD MODERATE AS MORE MIXY WIND
DIRECTION TAKES CONTROL...ESPLY BY FRIDAY WITH MORE WLY COMPONENT.
IF IT MEANS ANYTHING...DOES LOOK LIKE SOME FINALLY NORMAL TO ABOVE
NORMAL TEMPEATURES WOULD BE AROUND NEXT WEEKEND.

&&

.AVIATION...
MVFR TO VFR CONDS WL BE FOUND OVER THE FSD FA INTO THIS EVENING.
SOME TEMPORARY CLEARING HAS TAKEN PLACE IN PARTS OF SW MN...NW IA
AND EXTREME SERN SD AIDING THE VFR CONDS. BUT STRONG SYSTEM MOVG IN
FM THE WEST LATE TONIGHT PROMISES A RETURN TO AT LEAST MVFR CONDS
WHEN THE RAIN BEGINS FM W TO E LATE TONIGHT. THIS WL BE MONITORED TO
SEE IF IFR CONDS DEVELOP FM ABOUT 10Z THRU 18Z SATURDAY.

&&

.FSD WATCHES/WARNINGS/ADVISORIES...
SD...NONE.
MN...NONE.
IA...NONE.
NE...NONE.

&&

MJF/CHAPMAN
Hazardous weather outlook, May 9, 11:05 AM CDT, 16 hours 17 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1105 AM CDT FRI MAY 09 2008

SDZ038>040-050-052>071-MNZ071-072-080-081-089-090-097-098-
IAZ001>003-012>014-020>022-031-032-NEZ013-014-101200-
AURORA-BEADLE-BON HOMME-BROOKINGS-BRULE-BUENA VISTA IA-
CHARLES MIX-CHEROKEE IA-CLAY-CLAY IA-COTTONWOOD MN-DAKOTA NE-
DAVISON-DICKINSON IA-DIXON NE-DOUGLAS-GREGORY-HANSON-HUTCHINSON-
IDA IA-JACKSON MN-JERAULD-KINGSBURY-LAKE-LINCOLN-LINCOLN MN-
LYON IA-LYON MN-MCCOOK-MINER-MINNEHAHA-MOODY-MURRAY MN-NOBLES MN-
OBRIEN IA-OSCEOLA IA-PIPESTONE MN-PLYMOUTH IA-ROCK MN-SANBORN-
SIOUX IA-TURNER-UNION-WOODBURY IA-YANKTON-
1105 AM CDT FRI MAY 09 2008

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...SATURDAY THROUGH THURSDAY

THERE COULD BE AN ISOLATED THUNDERSTORM EMBEDDED WITH THE
RAINFALL ON SATURDAY...MAINLY RIGHT AHEAD OF THE FRONTAL PASSAGE.
ANY ISOLATED STORM WILL NOT BE SEVERE...AND SHORT LIVED.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.

&&

FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT
WWW.CRH.NOAA.GOV/FSD. 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 10, 3:34 AM CDTFlood WatchFSDLincoln, Union17 hr

Nearby

Wind Advisories in South Dakota, 2008Wind Advisories in Iowa, 2008Wind Advisories in Minnesota, 2008Every wind advisory in 2008

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.