Alert archive / South Dakota / Wind Advisories in 2007

Wind Advisory 17, NWS Sioux Falls, SD

September 21, 200723 counties in South Dakota; 8 counties in Minnesota; Lyon County, Iowa

NWS Sioux Falls, SD issued this wind advisory at Sep 21, 2007, 3:24 AM CDT for 23 counties in South Dakota; 8 counties in Minnesota; Lyon County, Iowa. It took effect at Sep 21, 2007, 8:00 AM CDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Sep 21, 2007, 3:24 AM CDT (08:24 UTC)
In effect from
Sep 21, 2007, 8:00 AM CDT
Expired
Sep 21, 2007, 2:19 PM CDT
In force
6 hr
Issued by
NWS Sioux Falls, SD
All 32 counties

Lyon 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, 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, Yankton County, SD

The radar

The Sioux Falls radar (KFSD), 43 km from the middle of the area, began a volume at 08:24 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 160 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 2007-09-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1300 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2007-09-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 94 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
1300 J/kg
Mixed-layer CIN
-105 J/kg
Mixed-layer LCL
1981 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
94 m²/s²
0-3 km storm-relative helicity
121 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.4

Open this sounding in Storm Lab

The text

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

000 
WWUS73 KFSD 210824
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
324 AM CDT FRI SEP 21 2007

.A COLD FRONT WILL MOVE ACROSS THE NORTHERN PLAINS TODAY...PRODUCING
STRONG NORTHWEST WINDS. THIS COLD FRONT WILL MOVE ACROSS EASTERN
SOUTH DAKOTA THIS MORNING...THEN NORTHWEST IOWA AND SOUTHWEST
MINNESOTA EARLY THIS AFTERNOON. 

SDZ038-039-050-052>054-057>060-063-064-211630-
/O.NEW.KFSD.WI.Y.0017.070921T1300Z-070921T1800Z/
BEADLE-KINGSBURY-GREGORY-JERAULD-SANBORN-MINER-BRULE-AURORA-
DAVISON-HANSON-CHARLES MIX-DOUGLAS-
INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...GREGORY...BURKE...WESSINGTON SPRINGS...ALPENA...
WOONSOCKET...HOWARD...CHAMBERLAIN...KIMBALL...PLANKINTON...
WHITE LAKE...STICKNEY...MITCHELL...ALEXANDRIA...EMERY...WAGNER...
PLATTE...LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT
324 AM CDT FRI SEP 21 2007

...WIND ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 1 PM CDT
THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 8 AM THIS MORNING TO 1 PM CDT
THIS AFTERNOON. 

SUSTAINED NORTHWEST WINDS OF 25 TO 35 AND WINDS GUSTS OF 40 TO 45
MPH ARE EXPECTED WITH THE PASSAGE OF A STRONG COLD FRONT. SOME OF
THE STRONGEST WINDS WILL OCCUR WITH THE INITIAL PASSAGE OF THE
COLD FRONT...GRADUALLY DECREASING THEREAFTER.

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-MNZ071-072-080-081-089-090-097-098-SDZ040-055-056-061-062-
065>070-211630-
/O.NEW.KFSD.WI.Y.0017.070921T1500Z-070921T2000Z/
LYON-LINCOLN-MURRAY-COTTONWOOD-NOBLES-JACKSON-PIPESTONE-ROCK-
BROOKINGS-LAKE-MOODY-MCCOOK-MINNEHAHA-HUTCHINSON-TURNER-BON HOMME-
YANKTON-CLAY-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...
MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...
WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE...LUVERNE...
BROOKINGS...MADISON...FLANDREAU...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
324 AM CDT FRI SEP 21 2007

...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 3 PM CDT
THIS AFTERNOON...

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

SUSTAINED NORTHWEST WINDS OF 25 TO 35 AND WINDS GUSTS OF 40 TO 45
MPH ARE EXPECTED WITH THE PASSAGE OF A STRONG COLD FRONT. SOME OF
THE STRONGEST WINDS WILL OCCUR WITH THE INITIAL PASSAGE OF THIS COLD
FRONT...GRADUALLY DECREASING THEREAFTER.

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.

$$

LIEBL
1 follow-up statement
000 
WWUS73 KFSD 211919
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
219 PM CDT FRI SEP 21 2007

IAZ001-MNZ071-072-080-081-089-090-097-098-SDZ040-055-056-061-062-
065>070-212030-
/O.CAN.KFSD.WI.Y.0017.000000T0000Z-070921T2000Z/
LYON-LINCOLN-MURRAY-COTTONWOOD-NOBLES-JACKSON-PIPESTONE-ROCK-
BROOKINGS-LAKE-MOODY-MCCOOK-MINNEHAHA-HUTCHINSON-TURNER-BON HOMME-
YANKTON-CLAY-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...
MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...
WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE...LUVERNE...
BROOKINGS...MADISON...FLANDREAU...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
219 PM CDT FRI SEP 21 2007

...WIND ADVISORY IS CANCELLED...

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

WHILE WINDS ARE EXPECTED TO GUST TO 30 TO 35 MPH AT TIMES THIS
AFTERNOON...SUSTAINED WINDS IN THIS RANGE ARE NO LONGER EXPECTED.
WINDS SHOULD DECREASE QUICKLY AROUND SUNSET...BECOMING LIGHT AND
VARIABLE BY MID EVENING.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 20, 8:56 PM CDTSevere Thunderstorm WarningFSDBon Homme, Charles Mix49 min

Nearby

Wind Advisories in South Dakota, 2007Wind Advisories in Minnesota, 2007Wind Advisories in Iowa, 2007Every wind advisory in 2007

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.