NEXRAD Doppler Weather Radar

Science of War

Lead: Just 3 Airmen from Andersen’s 36th Communications Squadron work diligently to ensure the only weather radar in the entire Marianas Islands provides vital information to Andersen base weather, Guam International Airport, and even Hickam Air Force Base, Hawaii. SrA Whitlow explains what the radar is, how it works, and how important it is to the Andersen mission. Narration: Tucked behind the backroads of Guam, just south of Andersen Air Force Base stands a lone, tall radar tower. Operated by just 3 Airmen from the 36th Communications Squadron, it’s what they call the NEXRAD Doppler Radar. SSgt David Vanderloop, Ground Radar Technician, 36th Communications Squadron (36 CS): “The NEXRAD radar is a Next Generation weather Radar used here on Andersen. It provides products to Andersen base weather, FAA, the National Weather Service, and also Hickam gets a feed of from radar site.” Narration: The NEXRAD Doppler Radar system is a network of high-resolution weather radars operated by the National Weather Service. The NEXRAD detects precipitation, atmospheric movement, or wind by shooting radio frequencies out into the air. SSgt Vanderloop: “How the NEXRAD radar works is, we generate pulsed RF which shoots out of the antenna, which will then bounce off of a cloud, and then receive back into the same antenna it transmitted from, we will then process then send out to all of our users.” Narration: Although satellites work for a similar purpose, the NEXRAD radar provides a more in-depth look into the atmosphere. SSgt Benjamin Touchstone, Ground Radar Systems NCOIC, 36th Communications Squadron (36 CS): “Satellites coverage will give you a more aerial view of the cloud coverage in the area. The difference between it and the radar is the radar gives you a more detailed internal look of the cloud. So you can see what’s actually going on inside of it.” Narration: Without that radar coverage, weather forecasting is much more limited, which in turn directly affects Andersen’s high operational flying missions. SSgt Touchstone: “It’s important to have it up with all the air traffic we have coming in and out of Guam International Airport plus all of the training missions and exercises we run here from Andersen. Especially in certain circumstances where you’re flying stealth missions and things like that, some of those airplanes won’t actually fly without radar coverage up. These products are absolutely vital to all of Andersen’s flying missions” Narration: The NEXRAD is the only weather radar within the Marianas region. It serves the Andersen mission while also providing the Pacific region a detailed look into Guam’s skies. Soundbites from Staff Sgt. David Vanderloop, Staff Sgt. Benjamin Touchstone. Produced by Senior Airman Mariko Whitlow. Also available in high definition.