Hi, Steve Are you still seeing this error? I just tried to get upper air data from stratus.al.noaa.gov with no problems. I am wondering if the host was simply temporarily down / unreachable. Thanks. -Julien PS, I think there may be a typo in the "yaoo" email address. I CCed you at address@hidden > Full Name: steve > Email Address: address@hidden > Organization: home > Package Version: 2.9 build date:2010-05-27 15:48 UTC > Operating System: Windows Vista > Hardware: Java: home: C:\Program Files\IDV_2.9\jre version: 1.6.0_20 > j3d:1.5.2 fcs (build4) > Description of problem: Updating sounding data > Error opening connection: java.net.UnknownHostException: stratus.al.noaa.gov > > ****************** > Stack trace: > edu.wisc.ssec.mcidas.adde.AddeException: Error opening connection: > java.net.UnknownHostException: stratus.al.noaa.gov > at > edu.wisc.ssec.mcidas.adde.AddePointDataReader.<init>(AddePointDataReader.java:165) > at > ucar.unidata.data.sounding.AddeSoundingAdapter.loadStationsInner(AddeSoundingAdapter.java:438) > at > ucar.unidata.data.sounding.AddeSoundingAdapter.loadStations(AddeSoundingAdapter.java:388) > at > ucar.unidata.data.sounding.AddeSoundingAdapter.init(AddeSoundingAdapter.java:306) > at > ucar.unidata.data.sounding.AddeSoundingAdapter.<init>(AddeSoundingAdapter.java:260) > at > ucar.unidata.view.sounding.SoundingSelector$8.run(SoundingSelector.java:665) > at ucar.unidata.util.Misc$3.run(Misc.java:1089) > > > Ticket Details =================== Ticket ID: NVH-196739 Department: Support IDV Priority: Normal Status: Open