This list brings together the Web sites that are used at the
DDO to predict weather changes.
- NASA viewer
of the IR images from GOES-8. This is our most frequently used
site. However, it stops working after midnight for a few hours,
probably because the satellite goes into the Earth shadow (during this
time use images from GOES-10). Turn off the colour enhancement to see
and GOES-10 images are displayed rectified in this UNISYS site. The
service is convenient in that GOES-10 images are automatically shown
during the after-midnight break in the GOES-8 service.
weather service is reliable source showing the same data as the two
sites above, but in a different format. Select the IR data during the
night as the visual channel is then obvioulsy totally black.
- Intellicast gives mostly the location of rain and storms as seen by
the US radar. This site is now very commercial but may be
models from the Canadian Meteorological Centre, updated every 3
hours and accessible via a nice interface specifically tailored for
observations at DDO.
models from the German Weather Office. Reputed to be very
reliable. It helps to know the German language. Go to Top Karten and then
select a model (e.g. GFS) then the geographic are (e.g. N-Amerika). The menu at the
upper part of the page gives various data.
- RAMSDIS gives
access to many different weather maps.
Environment of Canada Weather Office - various "products" of mixed usefullness.
- The Weather
Network, the same as on the Canadian TV Weather Channel.
300 mb jet stream over North America. Cirrus clouds usually form
along the jet stream.