Viewing archive of Friday, 18 May 2012
Geophysical report
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 139 Issued at 0245Z on 18 May 2012 This report is compiled from data received at SWO on 17 MayA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0054 0054 0054 100 0125 0147 0214 1476 N11W76 M5.1 1f 1400 540 II/IV 1029 1029 1029 130 1037 1037 1037 230 1103 1103 1103 120 1929 1929 1929 180
B. Proton Events
C. Geomagnetic Activity Summary
D. Stratwarm
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 136 SSN 114 Afr/Ap 005/004 X-ray Background B6.5 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.4e+07 GT 10 MeV 6.6e+06 p/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 1.50e+07 e/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 2 1 1 1 2 2 1 2 Planetary 2 1 1 0 1 1 1 2
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
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Minor R1 radio blackout in progress (≥M1 - current: M1.33)
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| Spotless days | |
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