Seimac Weather Source
Seimac has been in business for over 25 years, providing radio and data acquisition products for global customers in the research, military, Search and Rescue, and oil and gas industries.
http://www.seimac.com

Weather Research and Forecasting Model
Sun, Weather & Climate Laboratory at NCAR
http://wrf-model.org/

Weather Ventures
Weather Risk Information for Traders and End Users, Weather Risk Consutling and Software
http://www.weatherventures.com/

Millennium Weather Tropical Page
A unique hurricane forecasting model, with loads of links to other weather sites for satellite imagery, warnings, research, and analysis.
http://www.millenniumweather.com/tropical/index.html

Weather and Forecasting
Journal publishing articles on forecasting and analysis techniques, verification studies, and case studies useful to forecasters. Free access to tables of contents and abstracts since 1986.
http://ams.allenpress.com/amsonline/?request=get-archive&issn=1520-0434

Weather and Business
The Social Media blog is your single destination for updates on the AIM Buddy blog, the AIM Pages blog, the AOL Community Info blog, the Expressions Factory, the Marvelous Mob and the Social Media Mess blog.
http://hometown.aol.com/gml1000/

The Winter Center
Includes access to forecasts, forecasting models, historical winter weather data, an extensive photo gallery and weather research resources.
http://www.geocities.com/donsutherland1/snow1.html

RMS Forecasting Services
RMS Forecasting Services provides services in forensic meteorology, expert testimony and depositions for accidents and injuries, weather forecasting, marine and sailing forcasts, fire weather forecasts and full weather site installations
http://www.rmsforecastingservices.com/

The Weather Doctor
Explores the science and beauty of weather, including a monthly almanac, weather history, weather elements and phenomena, weather and the arts.
http://www.islandnet.com/~see/weather/doctor.htm

Weather Works Your Weather Experts
Weather experts specializing in weather expert testimony, forensic meteorology, certified weather reports, certified weather data, weather research, site inspections, review of adversarial reports and more.
http://www.weatherworksinc.com/forensic.htm