Alert archive / South Dakota / Wind Advisories in 2012

Wind Advisory 4, NWS Sioux Falls, SD

February 22, 20126 counties in South Dakota; Dakota County, Dixon County, Nebraska; Woodbury County, Iowa

NWS Sioux Falls, SD issued this wind advisory at Feb 22, 2012, 4:09 PM CST for 6 counties in South Dakota; Dakota County, Dixon County, Nebraska; Woodbury County, Iowa. It took effect at Feb 23, 2012, 6:00 AM CST. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Feb 22, 2012, 4:09 PM CST (22:09 UTC)
In effect from
Feb 23, 2012, 6:00 AM CST
Expired
Feb 23, 2012, 6:00 PM CST
In force
12 hr
Issued by
NWS Sioux Falls, SD

Counties Woodbury County, IA, Dakota County, NE, Dixon County, NE, Bon Homme County, SD, Charles Mix County, SD, Clay County, SD, Gregory County, SD, Union County, SD, Yankton County, SD

The radar

The Sioux Falls radar (KFSD), 99 km from the middle of the area, began a volume at 22:08 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

Omaha, NE (KOAX), launched 12:00Z, 10.2 hours before the alert went out and 186 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, Omaha, NE at 12:00Z on 2012-02-22Temperature 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, Omaha, NE at 12:00Z on 2012-02-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 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
1402 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
71 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.

716 
WWUS73 KFSD 222209
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
409 PM CST WED FEB 22 2012

.LOW PRESSURE WILL TRACK FROM AROUND NORTH CENTRAL SOUTH DAKOTA
OVERNIGHT TONIGHT...TO CENTRAL IOWA BY MIDDAY THURSDAY. STRONG
NORTHWEST WINDS WILL DEVELOP BEHIND THIS SYSTEM...ESPECIALLY NEAR AND
SOUTH OF THE MISSOURI RIVER VALLEY WHERE WIND SPEEDS OF 30 TO 45 MPH
ARE EXPECTED ON THURSDAY.

SDZ050-063-230615-
/O.NEW.KFSD.WI.Y.0004.120223T1200Z-120224T0000Z/
GREGORY-CHARLES MIX-
INCLUDING THE CITIES OF...GREGORY...BURKE...WAGNER...PLATTE...
LAKE ANDES...MARTY
409 PM CST WED FEB 22 2012

...WIND ADVISORY IN EFFECT FROM 6 AM TO 6 PM CST THURSDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 6 AM TO 6 PM CST THURSDAY. 

* TIMING...NORTHWEST WINDS WILL QUICKLY INCREASE BY DAYBREAK
  THURSDAY...AND SHOULD DIMINISH TOWARD SUNSET.

* WEATHER CONDITIONS...NORTHWEST WINDS OF 30 TO 45 MPH ARE LIKELY. AN
  INCH OR TWO OF SNOW IS ALSO POSSIBLE WITH THIS SYSTEM...SO THESE
  STRONG WINDS COULD CAUSE PRODUCE BLOWING AND DRIFTING SNOW AS WELL.

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.

&&

$$

IAZ031-NEZ013-014-SDZ068>071-230615-
/O.NEW.KFSD.WI.Y.0004.120223T1500Z-120224T0000Z/
WOODBURY-DIXON-DAKOTA-BON HOMME-YANKTON-CLAY-UNION-
INCLUDING THE CITIES OF...SIOUX CITY...WAKEFIELD...PONCA...
ALLEN...SOUTH SIOUX CITY...TYNDALL...SCOTLAND...SPRINGFIELD...
AVON...TABOR...YANKTON...VERMILLION...NORTH SIOUX CITY...
BERESFORD...ELK POINT...ALCESTER...JEFFERSON
409 PM CST WED FEB 22 2012

...WIND ADVISORY IN EFFECT FROM 9 AM TO 6 PM CST THURSDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 9 AM TO 6 PM CST THURSDAY. 

* TIMING...NORTHWEST WINDS WILL INCREASE IN THE MID TO LATE MORNING
  THURSDAY...AND SHOULD DIMINISH TOWARD SUNSET.

* WEATHER CONDITIONS...NORTHWEST WINDS OF 30 TO 45 MPH ARE LIKELY. A
  LITTLE LIGHT SNOW IS ALSO EXPECTED WITH THIS SYSTEM...THOUGH SNOW
  AMOUNTS SHOULD REMAIN UNDER AN INCH.

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.

&&

$$
 JH
3 follow-up statements
133 
WWUS73 KFSD 230445
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1045 PM CST WED FEB 22 2012

.LOW PRESSURE WILL TRACK FROM AROUND NORTH CENTRAL SOUTH DAKOTA
OVERNIGHT TONIGHT...TO CENTRAL IOWA BY MIDDAY THURSDAY. STRONG
NORTHWEST WINDS WILL DEVELOP BEHIND THIS SYSTEM...ESPECIALLY NEAR
AND SOUTH OF THE MISSOURI RIVER VALLEY WHERE WIND SPEEDS OF 30 TO
45 MPH ARE EXPECTED ON THURSDAY.

IAZ031-NEZ013-014-SDZ069>071-230545-
/O.CAN.KFSD.WI.Y.0004.120223T1500Z-120224T0000Z/
WOODBURY-DIXON-DAKOTA-YANKTON-CLAY-UNION-
INCLUDING THE CITIES OF...SIOUX CITY...WAKEFIELD...PONCA...
ALLEN...SOUTH SIOUX CITY...YANKTON...VERMILLION...
NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON
1045 PM CST WED FEB 22 2012

...WIND ADVISORY IS CANCELLED...

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

STRONG NORTHWEST WINDS OF 25 TO 35 MPH WITH OCCASIONAL GUSTS TO
AROUND 45 MPH ARE STILL EXPECTED THURSDAY. HOWEVER...THE POTENTIAL
FOR ACCUMULATING SNOW HAS INCREASED ACROSS THE AREA...WITH 2 TO 4
INCHES OF SNOW NOW EXPECTED TO FALL THURSDAY AFTERNOON. THUS THE WIND
ADVISORY HAS BEEN REPLACED WITH A WINTER WEATHER ADVISORY FOR SNOW
AND BLOWING SNOW.

$$

SDZ068-231245-
/O.EXT.KFSD.WI.Y.0004.120223T1200Z-120224T0000Z/
BON HOMME-
INCLUDING THE CITIES OF...TYNDALL...SCOTLAND...SPRINGFIELD...
AVON...TABOR
1045 PM CST WED FEB 22 2012

...WIND ADVISORY NOW IN EFFECT FROM 6 AM TO 6 PM CST THURSDAY...

* TIMING...NORTHWEST WINDS WILL INCREASE EARLY THURSDAY MORNING AND
  SHOULD DIMINISH TOWARD SUNSET.

* WEATHER CONDITIONS...NORTHWEST WINDS OF 30 TO 45 MPH ARE LIKELY. AN
  INCH OR TWO OF SNOW IS ALSO POSSIBLE WITH THIS SYSTEM...SO THESE
  STRONG WINDS COULD CAUSE PRODUCE BLOWING AND DRIFTING SNOW AS WELL. 

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.

&&

$$

SDZ050-063-231245-
/O.CON.KFSD.WI.Y.0004.120223T1200Z-120224T0000Z/
GREGORY-CHARLES MIX-
INCLUDING THE CITIES OF...GREGORY...BURKE...WAGNER...PLATTE...
LAKE ANDES...MARTY
1045 PM CST WED FEB 22 2012

...WIND ADVISORY REMAINS IN EFFECT FROM 6 AM TO 6 PM CST
THURSDAY...

* TIMING...NORTHWEST WINDS WILL QUICKLY INCREASE BY DAYBREAK 
  THURSDAY...AND SHOULD DIMINISH TOWARD SUNSET. 

* WEATHER CONDITIONS...NORTHWEST WINDS OF 30 TO 45 MPH ARE LIKELY.
  AN INCH OR TWO OF SNOW IS ALSO POSSIBLE WITH THIS SYSTEM...SO THESE
  STRONG WINDS COULD CAUSE PRODUCE BLOWING AND DRIFTING SNOW AS WELL.

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.

&&

$$
522 
WWUS73 KFSD 231613
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1013 AM CST THU FEB 23 2012

.LOW PRESSURE TO THE SOUTHEAST OF THIS AREA WILL CONTINUE TO TRACK
EASTWARD THROUGH TODAY. AS THE LOW DEPARTS...STRONG NORTHWEST
WINDS WILL PREVAIL OF 30 TO 45 MPH. IN ADDITION TO THE WIND...
LIGHT SNOW IS ALSO LIKELY WHICH COUPLED WITH THE WIND...WILL
PRODUCE AREAS OF BLOWING SNOW IN EXPOSED AREAS.

SDZ050-063-068-240000-
/O.CON.KFSD.WI.Y.0004.000000T0000Z-120224T0000Z/
GREGORY-CHARLES MIX-BON HOMME-
INCLUDING THE CITIES OF...GREGORY...BURKE...WAGNER...PLATTE...
LAKE ANDES...MARTY...TYNDALL...SCOTLAND...SPRINGFIELD...AVON...
TABOR
1013 AM CST THU FEB 23 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING...

* TIMING...NORTHWEST WINDS OF 30 TO 45 MPH CAN BE EXPECTED
  TODAY... ESPECIALLY NEAR THE NEBRASKA BORDER. THE WINDS WILL
  THEN DIMINISH TOWARD SUNSET.

* WEATHER CONDITIONS...NORTHWEST WINDS OF 30 TO 45 MPH ARE 
  LIKELY. AN INCH OR TWO OF SNOW IS ALSO POSSIBLE WITH THIS 
  SYSTEM...SO THESE STRONG WINDS COULD CAUSE PRODUCE BLOWING AND 
  DRIFTING SNOW AS WELL. 

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.

&&

$$
267 
WWUS73 KFSD 240006
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
606 PM CST THU FEB 23 2012

.STRONG LOW PRESSURE WILL CONTINUE TO PULL AWAY FROM THE AREA THIS
EVENING...ALLOWING WINDS TO GRADUALLY DIMINISH.

SDZ050-063-068-240115-
/O.EXP.KFSD.WI.Y.0004.000000T0000Z-120224T0000Z/
GREGORY-CHARLES MIX-BON HOMME-
INCLUDING THE CITIES OF...GREGORY...BURKE...WAGNER...PLATTE...
LAKE ANDES...MARTY...TYNDALL...SCOTLAND...SPRINGFIELD...AVON...
TABOR
606 PM CST THU FEB 23 2012

...WIND ADVISORY HAS EXPIRED...

NORTHWEST WINDS OF 20 TO 30 MPH WILL CONTINUE EARLY THIS EVENING...BUT
SPEEDS SHOULD GRADUALLY DECREASE OVERNIGHT.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 22, 11:03 AM CSTWinter Storm WatchFSDBeadle, Brookings, Kingsbury, Lake, McCook, Miner and 2 more5 hr
Feb 22, 4:02 PM CSTWinter Storm WarningFSDBeadle, Brookings, Davison, Hanson, Hutchinson, Jerauld and 10 more29 hr
Feb 22, 4:02 PM CSTWinter Weather AdvisoryFSDHanson, Jerauld, Lincoln, McCook, Minnehaha, Sanborn and 1 more7 hr

Nearby

Wind Advisories in South Dakota, 2012Wind Advisories in Nebraska, 2012Wind Advisories in Iowa, 2012Every wind advisory in 2012

Sources

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