Alert archive / South Dakota / Wind Advisories in 2008

Wind Advisory 7, NWS Sioux Falls, SD

April 20, 200812 counties in South Dakota

NWS Sioux Falls, SD issued this wind advisory at Apr 20, 2008, 3:16 AM CDT for 12 counties in South Dakota. It took effect at Apr 20, 2008, 10:00 AM CDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Apr 20, 2008, 3:16 AM CDT (08:16 UTC)
In effect from
Apr 20, 2008, 10:00 AM CDT
Expired
Apr 20, 2008, 7:00 PM CDT
In force
9 hr
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

The radar

The Sioux Falls radar (KFSD), 132 km from the middle of the area, began a volume at 08:15 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, 8.3 hours before the alert went out and 143 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 2008-04-20Temperature 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 00:00Z on 2008-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 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
2794 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
88 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 200816
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
316 AM CDT SUN APR 20 2008

.GUSTY SOUTHEAST WINDS WILL DEVELOP TODAY AHEAD OF AN APPROACHING 
COLD FRONT. WINDS WILL GUST TO 40 MPH AT TIMES FROM MID MORNING
INTO EARLY EVENING.

SDZ038-050-052-053-057>060-063>065-068-201630-
/O.NEW.KFSD.WI.Y.0007.080420T1500Z-080421T0000Z/
BEADLE-GREGORY-JERAULD-SANBORN-BRULE-AURORA-DAVISON-HANSON-
CHARLES MIX-DOUGLAS-HUTCHINSON-BON HOMME-
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
316 AM CDT SUN APR 20 2008

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

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

GUSTY SOUTHEAST WINDS OF 25 TO 35 MPH...WITH GUSTS TO 40
MPH...WILL DEVELOP BY MID TO LATE MORNING AND PERSIST INTO EARLY
EVENING.

MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE CAUTION UNTIL THE
WINDS SUBSIDE.

$$
3 follow-up statements
000 
WWUS73 KFSD 201500
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1000 AM CDT SUN APR 20 2008

.GUSTY SOUTHEAST WINDS WILL DEVELOP TODAY AHEAD OF AN APPROACHING
COLD FRONT. WINDS WILL GUST TO 40 MPH AT TIMES FROM MID MORNING
INTO EARLY EVENING.

SDZ038-050-052-053-057>060-063>065-068-202300-
/O.CON.KFSD.WI.Y.0007.000000T0000Z-080421T0000Z/
BEADLE-GREGORY-JERAULD-SANBORN-BRULE-AURORA-DAVISON-HANSON-
CHARLES MIX-DOUGLAS-HUTCHINSON-BON HOMME-
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
1000 AM CDT SUN APR 20 2008

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. 

SOUTHEAST WINDS OF 25 TO 35 MPH...WITH GUSTS TO 40 MPH... WILL
DEVELOP BY MID TO LATE MORNING AND PERSIST INTO EARLY EVENING.

MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE CAUTION UNTIL THE
WINDS SUBSIDE.

$$


BT
000 
WWUS73 KFSD 202047
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
347 PM CDT SUN APR 20 2008

.SOUTHEAST WINDS WILL REMAIN VERY STRONG THROUGH THE END OF THIS
AFTERNOON...THEN DECREASE STEADILY EARLY THIS EVENING AS A COLD
FRONT APPROACHES FROM THE WEST. WINDS WILL GUST TO 40 MPH AT
TIMES THROUGH 700 PM CDT.

SDZ038-050-052-053-057>060-063>065-068-210000-
/O.CON.KFSD.WI.Y.0007.000000T0000Z-080421T0000Z/
BEADLE-GREGORY-JERAULD-SANBORN-BRULE-AURORA-DAVISON-HANSON-
CHARLES MIX-DOUGLAS-HUTCHINSON-BON HOMME-
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
347 PM CDT SUN APR 20 2008

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. 

SOUTHEAST WINDS OF 25 TO 35 MPH...WITH GUSTS TO 40 MPH...WILL
CONTINUE THROUGH THE END OF THIS AFTERNOON...THEN DECREASE EARLY
THIS EVENING.

MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE CAUTION UNTIL THE
WINDS SUBSIDE.

$$
WILLIAMS
000 
WWUS73 KFSD 210003
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
703 PM CDT SUN APR 20 2008

.STRONG SOUTHEAST WINDS WERE ABATING SLOWLY THIS EVENING AS A COLD
FRONT APPROACHES FROM THE WEST. WINDS HAD DROPPED BELOW ADVISORY
LEVELS BY THE START OF THE EVENING AND SHOULD CONTINUE TO DECREASE
AHEAD OF THE FRONT.

SDZ038-050-052-053-057>060-063>065-068-210115-
/O.EXP.KFSD.WI.Y.0007.000000T0000Z-080421T0000Z/
BEADLE-GREGORY-JERAULD-SANBORN-BRULE-AURORA-DAVISON-HANSON-
CHARLES MIX-DOUGLAS-HUTCHINSON-BON HOMME-
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
703 PM CDT SUN APR 20 2008

...WIND ADVISORY HAS EXPIRED...

THE WIND ADVISORY IS NO LONGER IN EFFECT. 

WINDS HAD DECREASED TO A SUSTAINED 20 TO 25 MPH WITH GUSTS AROUND
30 MPH EARLY THIS EVENING. WINDS SHOULD CONTINUE TO DECREASE
SLOWLY THROUGHT HE EVENING.

$$
WILLIAMS

Nearby

Wind Advisories in South Dakota, 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.