Viewing archive of Tuesday, 24 July 2012
Geophysical report
Any mentioned solar flare in this report has a scaling factor applied by the Space Weather Prediction Center (SWPC). Because of the SWPC scaling factor, solar flares are reported as 42% smaller than for the science quality data. The scaling factor has been removed from our archived solar flare data to reflect the true physical units.
Solar and Geophysical Activity Summary 2012 Jul 24 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 206 Issued at 0245Z on 24 Jul 2012 This report is compiled from data received at SWO on 23 JulA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0225 0225 0225 260 II
B. Proton Events
A greater than 10 MeV proton event at
geosynchronous orbit began at 23/1545Z, reached a maximum of 12 pfu
at 23/2145Z, and was in progress at the close of the period.
C. Geomagnetic Activity Summary
Quiet to active.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 097 SSN 060 Afr/Ap 008/012 X-ray Background B2.8 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 6.1e+06 GT 10 MeV 5.0e+05 p/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 6.90e+07 e/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 2 3 1 2 3 3 2 3 Planetary 2 2 2 2 3 3 3 4
F. Comments
The source for the greater than 10 Mev proton event was old Region 1520 (S16, L = 086), which was about four days beyond the west limb.
All times in UTC
Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
Whitehorse, YT, Yellowknife, NTAnchorage, AK, Fairbanks, AK, Juneau, AK
Latest news
Friday, 28 March 2025
X1.1 solar flare
Monday, 24 March 2025
Coronal hole faces Earth
Saturday, 22 March 2025
Strong G3 geomagnetic storm watch for 23 March
Latest forum messages
AR 4055 37Filaments and prominences 2CME 16Filaments and prominences (old topic) 756Unspecified geomagnetic activity 2239
More topicsSupport SpaceWeatherLive.com!
A lot of people come to SpaceWeatherLive to follow the Sun's activity or if there is aurora to be seen, but with more traffic comes higher server costs. Consider a donation if you enjoy SpaceWeatherLive so we can keep the website online!
Latest alerts
07:39 UTC - Solar flare
Moderate M1.03 flare from sunspot region 4055
07:24 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.03)
06:09 UTC - Solar flare
Moderate M1.27 flare
05:51 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.16)
05:03 UTC - Solar flare
Moderate M1.19 flare
Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/11 | M1.0 |
| Last geomagnetic storm | 2025/04/06 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 139.5 +5.3 |
| Last 30 days | 136.6 -3.5 |