VCeilo 15km Real Time Data Stony Brook KASPR NEXRAD Stony Brook Radar Truck Skyler Brookhaven Nationa Lab MRR-Pro White Microwave Radiometer (MWR) Parsivel Pluvio WCR-QPC VCeilo 15km NEXRAD NEXRAD Stony Brook GOES-16 Archive The ceilometer looks vertically into the sky and can see to a range of 15 km or 50,000 feet.