1. USPS ® Weather Course Supplemental Slide Set Wx Instruments

2. Weather Station - Juneau Icefield Alaska Copyright Bruce Molnia, Terra Photograhjcs. Reprinted with permission.

3. Rawinsonde Weather Balloon Copyright National Oceanic and Atmospheric Administration. Parachute Instrument Box

4. NSSL Research Facility Norman, Oklahoma Copyright National Oceanic and Atmospheric Administration. (1970 photo)

5. First NSSL Doppler Weather Radar Norman, Oklahoma - 1973 Copyright National Oceanic and Atmospheric Administration.

6. First Doppler Radar Dish - NSSL Copyright National Oceanic and Atmospheric Administration. 30-Foot Diameter

7. Second NSSL Doppler Weather Radar 15 Miles West of Oklahoma City Copyright National Oceanic and Atmospheric Administration.

8. Doppler Radar Installation Norman, Oklahoma Copyright National Oceanic and Atmospheric Administration.

9. Doppler “Hook Echo” Copyright National Oceanic and Atmospheric Administration.

10. Lightning Strike Research - NSSL Copyright National Oceanic and Atmospheric Administration.

11. Surface Automated Measurement Site (SAM) Copyright National Oceanic and Atmospheric Administration. Wind Direction & Speed Instruments Rain Gauge Temperature, Relative Humidity, & Pressure Instruments Solar Powered

12. Standard Instrument Shelter Copyright National Oceanic and Atmospheric Administration. “Stevenson Screen”

13. NSSL Mobile Storm Chasing Labs Copyright National Oceanic and Atmospheric Administration.

14. NSSL Chase Vehicle Copyright National Oceanic and Atmospheric Administration. GPS Compass A/C

15. NSSL Chase Vehicle Copyright National Oceanic and Atmospheric Administration. Wind Speed & Direction Sensors, Humidity Sensor & Temperature Unit with Fan

16. NSSL Chase Vehicle with Video Camera Mount Copyright National Oceanic and Atmospheric Administration.

17. Inside NSSL Chase Vehicle Copyright National Oceanic and Atmospheric Administration.

18. NSSL Mobile Storm Chasing Radar Trucks Copyright National Oceanic and Atmospheric Administration.

19. NSSL Vehicles - Project VORTEX Copyright National Oceanic and Atmospheric Administration.

20. Wind Speed & Direction Instrument Copyright National Oceanic and Atmospheric Administration. Used in Project VORTEX

21. TOTO (Totable Tornado Observatory) Copyright National Oceanic and Atmospheric Administration. Used in 1980’s for gathering storm information.