Space Weather Report: July 23 to July 29

Download Space Weather Report: July 23 to July 29

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Space weather report created summer 2013 by Emily Schomp, summer intern at Harvard Smithsonian CfA

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<ul><li> 1. Space Weather July 23-29 </li></ul> <p> 2. Weekly Solar Wind iSWA ACE Data Latitude (black) Longitude (blue) Mag Field (nT) Bx (black) By (blue) Bz (red) Bt Bulk Proton Flow (km/s) Proton Density (cm-3) Temperature (K) 3. CME July 22 Cause of Solar Wind Turbulence? 932 km/s (762-1157 km/s) Variation of Velocity: 109 Start: 6:12 Duration: 3 hrs Principal Angle: 291o Angular Width: 284o Mostly directed At Stereo A 4. Hit Earth on 26th Caused flux in electron and proton levels Kp reached 4 iSWA magnetosphere simulations 5. C Flares from 1800 Potential Cause of Halo CME 1793-2:37 1800-5:35, 5:36, 12:12, 12:28, 16: 1805-15:58 18:13 21:34 12:28, 18:18, 22:18 Data not recorded on solar monitor 6. Three Radio Bursts 245 MHz 25th at 8:50-8:51, peak flux 530 26th at 6:32, peak flux 100 28 at 4:35, peak flux 190 radio fluxes measured in Jansky (Jy) o 1 Jy = 10-25 W/m2 . Hz = 10-23 erg/s . cm2 . Hz Affected o AM in Montreal Canada, Schoenewalde and Heidelberg Germany, and Netherlands o Air Safety Communications in Nordholz ETMN Germany o military communications satellites Skynet 5A, 5B and 5C o GCI Alaskan Wireless Network o Airnorth CAOC 2/Common (used for NATO communications) o FLTSATCOM (satellite communication system of the U.S. Navy) o Air Operations Control Station in Nieuw-Milligen, Netherlands 7. Halo CME on 26 Started 18:36 Lasted 4 hours Principal Angle: 216 Angular Width: 138 Velocity: 482 (241-762) Variation: 109 8. Weekend Aurora NBC Nightly News on July 19 9. Current Forecast Arrival: Aug 1-2 Density: 5.5 to 7.5 cm-3 Temperature: 35,000 to 50,000 K Velocity o Radial: 440 to 520 km/s o Latitude: 4 to -4 km/s o Longitude: 3 to -2 km/s Magnetic Field Strength o Radial: -2.2 to -3 nT o Latitude: 2.0 to 2.6 nT o Longitude*: 0.015 to -0.005 Kp: 3 iSWA Forecast Page </p>

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