Alert archive / Iowa / Wind Advisories in 2007

Wind Advisory 7, NWS Sioux Falls, SD

April 3, 2007Dakota County, Dixon County, Nebraska; Clay County, Union County, South Dakota; 5 counties in Iowa

NWS Sioux Falls, SD issued this wind advisory at Apr 3, 2007, 10:05 AM CDT for Dakota County, Dixon County, Nebraska; Clay County, Union County, South Dakota; 5 counties in Iowa. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Apr 3, 2007, 10:05 AM CDT (15:05 UTC)
Expired
Apr 3, 2007, 3:46 PM CDT
In force
6 hr
Issued by
NWS Sioux Falls, SD

Counties Buena Vista County, IA, Cherokee County, IA, Ida County, IA, Plymouth County, IA, Woodbury County, IA, Dakota County, NE, Dixon County, NE, Clay County, SD, Union County, SD

The radar

The Sioux Falls radar (KFSD), 116 km from the middle of the area, began a volume at 15:09 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, 3.1 hours before the alert went out and 146 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 2007-04-03Temperature 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 2007-04-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -77 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
573 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
-77 m²/s²
0-3 km storm-relative helicity
-96 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 031505
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1005 AM CDT TUE APR 3 2007

.WINDY CONDITIONS WILL BE FOUND BETWEEN A STRONG COLD FRONT PUSHING
EAST THROUGH IOWA...AND HIGH PRESSURE PUSHING SOUTH INTO THE WESTERN
HIGH PLAINS. 

IAZ020>022-031-032-NEZ013-014-SDZ070-071-032300-
/O.NEW.KFSD.WI.Y.0007.070403T1505Z-070403T2300Z/
PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA-DIXON-DAKOTA-CLAY-
UNION-
INCLUDING THE CITIES OF...LE MARS...CHEROKEE...STORM LAKE...
SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...WAKEFIELD...
PONCA...ALLEN...SOUTH SIOUX CITY...VERMILLION...
NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON
1005 AM CDT TUE APR 3 2007

...WIND ADVISORY IN EFFECT UNTIL 6 PM CDT THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM CDT THIS AFTERNOON. 

SUSTAINED NORTHWEST WINDS OF 25 TO 35 MPH WILL PERSIST THROUGH MUCH
OF THE AFTERNOON FROM AROUND VERMILLION SOUTH DAKOTA...EAST THROUGH
SIOUX CITY AND STORM LAKE IOWA. WIND GUSTS SHOULD TOP OUT AROUND 40
MPH. THE WINDS SHOULD BEGIN TO DROP OFF AFTER 4 PM...ALTHOUGH BREEZY
CONDITIONS WILL LINGER INTO THE 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.

$$
 JH
1 follow-up statement
000 
WWUS73 KFSD 032046
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
346 PM CDT TUE APR 3 2007


IAZ020>022-031-032-NEZ013-014-SDZ070-071-032200-
/O.CAN.KFSD.WI.Y.0007.000000T0000Z-070403T2300Z/
PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA-DIXON-DAKOTA-CLAY-
UNION-
INCLUDING THE CITIES OF...LE MARS...CHEROKEE...STORM LAKE...
SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...WAKEFIELD...
PONCA...ALLEN...SOUTH SIOUX CITY...VERMILLION...
NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON
346 PM CDT TUE APR 3 2007

...WIND ADVISORY IS CANCELLED...

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


$$


LIEBL

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 2, 9:28 PM CDTSevere Thunderstorm WarningFSDIda, Woodbury32 min
Apr 2, 10:01 PM CDTSevere Thunderstorm WarningFSDWoodbury29 min
Apr 2, 10:47 PM CDTSevere Thunderstorm WarningFSDIda28 min

Nearby

Wind Advisories in Iowa, 2007Wind Advisories in Nebraska, 2007Wind Advisories in South Dakota, 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.