Viewing archive of Friday, 21 July 2023
Geophysical report
Solar and Geophysical Activity Summary 2023 Jul 21 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 202 Issued at 0245Z on 21 Jul 2023 This report is compiled from data received at SWO on 20 JulA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 1539 1548 1551 3373 N05W13 Sf 380
B. Proton Events
The greater than 10 MeV proton event that began
at 18/1730 UTC and reached a peak of 620 pfu at 18/0615 UTC, ended
at 20/0610 UTC.
C. Geomagnetic Activity Summary
The geomagnetic field was quiet to
active.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 184 SSN 131 Afr/Ap 010/011 X-ray Background C1.1 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 3.6e+07 GT 10 MeV 5.5e+05 p/(cm2-ster-day) (GOES-10 satellite synchronous orbit W135 degrees) Daily Electron Fluence GT 2 MeV 5.60e+07 e/(cm2-ster-day) (GOES-10 satellite synchronous orbit W135 degrees) 3 Hour K-indices Boulder 1 1 1 2 3 4 3 3 Planetary 1 1 0 1 1 4 4 4
F. Comments
None.
All times in UTC
Latest news
Friday, 1 November 2024
X2.0 solar flare
Wednesday, 9 October 2024
X1.8 solar flare, severe geomagnetic storm watch
Tuesday, 8 October 2024
Double X-flares, glancing blow possible
Latest forum messages
AR13883 2024/11/04 CME 13Unspecified geomagnetic activity 1556Coronal holes 32AR 13883 99The 2024 Aurora Summit prize winner is... 2
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!
Space weather facts
| Last X-flare | 2024/10/31 | X2.03 |
| Last M-flare | 2024/11/05 | M2.6 |
| Last geomagnetic storm | 2024/10/12 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| September 2024 | 141.4 -74.1 |
| November 2024 | 215.8 +74.4 |
| Last 30 days | 161.1 +7.2 |