Viewing archive of Thursday, 11 October 2012
Geophysical report
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 285 Issued at 0245Z on 11 Oct 2012 This report is compiled from data received at SWO on 10 OctA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0445 0445 0445 470 0659 0706 0710 C4.6 110 1002 1002 1002 100 1044 1049 1052 B8.4 290 1121 1121 1121 140 1154 1154 1154 260 1425 1431 1434 1585 C2.1 580 1436 1436 1436 560
B. Proton Events
C. Geomagnetic Activity Summary
D. Stratwarm
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 112 SSN 071 Afr/Ap 006/009 X-ray Background B3.6 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 6.1e+05 GT 10 MeV 1.1e+04 p/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 1.50e+08 e/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 3 2 3 2 3 3 3 2 Planetary 3 2 2 2 2 2 2 2
F. Comments
None
All times in UTC
Current data suggests there is a moderate possibility for aurora to appear at the following high latitude regions in the near future
Fairbanks, AKCurrent data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
Whitehorse, YTAnchorage, AK, Juneau, AK
Latest news
X1.1 solar flare
Coronal hole faces Earth
Strong G3 geomagnetic storm watch for 23 March
Latest forum messages
Support 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
08:12 UTC - Hemispheric Power Index
The OVATION model predicts the Hemispheric Power Index to reach 76GW at 08:57 UTC
02:00 UTC - Geomagnetic activity
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 01:45 UTC
Tuesday, 8 April 2025
23:57 UTC - Hemispheric Power Index
The OVATION model predicts the Hemispheric Power Index to reach 50GW at 00:44 UTC
22:42 UTC - Solar flare
Moderate M1.57 flare
22:24 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.52)
Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/08 | M1.5 |
| 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 | 148.6 +14.4 |
| Last 30 days | 137.1 -0.2 |