Viewing archive of Monday, 26 December 2011
Geophysical report
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
:::::::::::::CORRECTED COPY :::::::::::::: SGAS Number 360 Issued at 0245Z on 26 Dec 2011 This report is compiled from data received at SWO on 25 DecA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0849 0855 0901 1387 S21W20 C5.5 Sn 420 56 1039 1039 1039 110 1042 1042 1042 110 1137 1137 1138 120 1530 1530 1530 100 1649 1649 1649 140 1811 1816 1820 1387 M4.0 12000 120 II/IV 2023 2029 2033 1387 S21W24 C7.7 Sf 1100
B. Proton Events
C. Geomagnetic Activity Summary
D. Stratwarm
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 144 SSN 066 Afr/Ap 003/002 X-ray Background B5.8 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.5e+05 GT 10 MeV 3.3e+04 p/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 8.80e+05 e/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 1 1 1 0 1 0 3 1 Planetary 1 1 1 0 0 0 0 1
F. Comments
None
All times in UTC
Latest news
X4.0 solar flare
X5.1 solar flare, G4 geomagnetic storm watch
X1.2 solar flare with earth-directed CME
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Latest alerts
Friday, 14 November 2025
21:51 UTC - Solar flare
Moderate M1.33 flare from sunspot region 4274
21:36 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.33)
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Moderate M1.37 flare from sunspot region 4274
20:15 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.37)
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| Spotless days | |
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| Monthly mean Sunspot Number | |
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