RAOB Data Sources

Current & Archived Soundings

UWYO
University of Wyoming.
PAOS
Program in Atmospheric and Oceanic Sciences (University of Colorado at Boulder) format.
UCAR/NCAR
For the global current.rawins sounding file.
NOAA/ESRL
Single-Source Radiosonde Database.
NOAA/ESRL/GSD
 Multi-Source Radiosonde Database (rucsoundings).
NHC Dropsondes
National Hurricane Center's data from Hurricane Hunter planes.
OGIMET
WMO coded data by Station, Region, and/or Time.

Forecast Soundings

BUFKIT
Sequential data from NWS offices at Buffalo, NY
GSD (Op/Bak/dev)
Sequential data sets from NOAA/ESRL offices
MAPS/RUC
Sequential data sets from NOAA/FSL offices
ARL/Ready
Worldwide Current and Forecast soundings.
TwisterData.com
Gridded RAP and NAM forecast soundings. Example.
Wxcaster.com
Worldwide model forecast soundings.

RAOB offers a variety of data access methods.