Useful weather information:
7-day Palo Alto weather.
(also see forecast discussions).
ADDS Weather (with links to AWC).
The GFS MAV site has graphics for ceilings, precipitation, visibility, and wind.
The National Center for Atmospheric Research has forecasts here.
Skew-T plots and how to interpret them. More info about Skew-T from NASA.
Lifted index can be found here select the Lifted Index Loop in the box in the left scrolling region.
FOUS14 from NWS (for ceilings and visibilities forecasts) and how to interpret it.
Sunrise and sunset times.
Meteograms, and user guide.
FAA ADS and RAIM prediction.
Graphical METAR/TAF for ZOA.
Thunderstorm outlook prediction (from the Storm Prediction Center in OK, click on Tstms. outlook on the left).
Glossary: Precipitation symbols. Front symbols. Weather basics from USA Today.
Skyvector. VFR & IFR charts.
Basic airport information: Airnav.
FAA Safety Site