25 March 2013
Switched web services to python & php. Should be transparent to user.
13 September 2007
Switched web services to python & spyce. Should be transparent to user.
07 September 2007
Ported to 64-bit architecture.
04 January 2007
I/O ported to GEMPAK v5.9.4 and GRIB2.
31 January 2006
Ported plotting scripts to Matlab v7 (R14.3); slightly larger plots.
07 October 2005
Switched to GFS 0.5 degree gridded fields. Streamlined scripts for plotting.
29 July 2004
First major changes to date: potential vorticity is now computed in spherical harmonics, which fixes bogus tropopause parameter values near the poles; arctic potential temperature and pressure pages were added to study features at high latitudes; map borders were made darker; lat/lon labels were eliminated.
Back to the University of Washington tropopause maps.