Viewing archive of Monday, 7 March 2011
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 2011 Mar 07 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 066 Issued at 0245Z on 07 Mar 2011 This report is compiled from data received at SWO on 06 MarA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0039 0039 0039 130 0259 0259 0259 110 0830 0833 0837 1165 C1.6 1418 1418 1418 110 1419 1419 1419 110 1521 1527 1530 1166 C3.9 750 2001 2001 2012 160 2315 2315 2315 100
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field was mostly
quiet during the past 24 hours.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 143 SSN 118 Afr/Ap 003/005 X-ray Background B9.6 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.4e+06 GT 10 MeV 1.3e+04 p/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 7.80e+08 e/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 0 1 0 0 3 2 2 2 Planetary 1 1 0 0 3 1 2 2
F. Comments
The greater than 2 MeV electron fluence at geosynchronous orbit reached high levels during the past 24 hours.
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, YTAnchorage, AK, Fairbanks, 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
AR4046 137AR4048 40Unspecified geomagnetic activity 2149Solar Demon 3Aurora photography hints for those of us with smartphones 54
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
11:15 UTC - Solar protons
Minor S1 Solar Radiation Storm - Minor impacts on HF radio through polar regions
10:45 UTC - Solar flare
Moderate M1.26 flare
10:27 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.22)
00:09 UTC - Solar flare
Moderate M1.03 flare
Sunday, 30 March 2025
23:51 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.03)
Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/03/31 | M1.2 |
| Last geomagnetic storm | 2025/03/27 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2025 | 154.6 +17.6 |
| March 2025 | 127 -27.6 |
| Last 30 days | 127 -25.7 |