Year = 1998 Month = March Day = 26 Day-of-year = 085 Site = Poker Flat Sunrise = 15:32 Sunset = 04:18 Moonrise = 15:36 Moonset = 00:45 Moon_age = 28 Aurora = Storm - Aurora filled the sky for extended periods Cloud = Clear all night Magnetometer = Active ASC = Long moondown, ran OK MSP = Ran all night but 4278 channel failed VHF_radar = Good data coverage for the entire 24 hours Electrojet = Partial data coverage SDI = Ran all night, good data Bomem = No data MSG = No data Trailer = No data UW_FPI = Ran all night, good data Stratosperic_lidar = Unknown Rayleigh_lidar = Unknown Resonance_lidar = Unknown Ebert = Unknown Comments = Updated, 03-30-98, 05:30 UT, MPK. Updated 21:15 UT March 31, MC. Electrojet calculation failed mostly during darkness... An interesting night, with a long, gradual equatorward expansion, followed by a very active period of substorming near the dawn.