Viewing archive of Friday, 2 August 2024
Geophysical report
Solar and Geophysical Activity Summary 2024 Aug 02 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 215 Issued at 0245Z on 02 Aug 2024 This report is compiled from data received at SWO on 01 AugA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0050 0058 0103 3770 M1.2 180 0147 0150 0154 3773 M6.3 66000 210 0258 0306 0314 3774 M1.2 0359 0409 0423 3774 M1.9 0435 0441 0445 3765 M4.0 570 570 0552 0556 0600 3768 M1.5 210 0623 0709 0739 3768 S16W74 M8.2 1n 1000 500 II/IV 1109 1137 1141 3768 S16W80 M4.1 Sf 110 1604 1615 1619 3764 S05W53 M1.0 Sf 1633 1637 1644 3765 S08W41 M1.3 Sf 1722 1729 1734 3774 S03E63 M1.3 Sf 2012 2022 2032 3774 S13E63 M1.2 Sf 2300 2308 2317 3772 S21E37 M1.4 Sf
B. Proton Events
C. Geomagnetic Activity Summary
D. Stratwarm
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 234 SSN 260 Afr/Ap 022/022 X-ray Background C6.1 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.4e+06 GT 10 MeV 1.7e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 1.20e+06 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder ? ? ? ? ? ? ? ? Planetary 5 5 4 2 3 3 2 2
F. Comments
None.
All times in UTC
Latest news
X4.0 solar flare
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Latest alerts
Friday, 14 November 2025
21:51 UTC - Solar flare
Moderate M1.33 flare from sunspot region 4274
21:36 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.33)
20:30 UTC - Solar flare
Moderate M1.37 flare from sunspot region 4274
20:15 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.37)
X4.0 solar flare
A X4.0 (R3-strong) solar flare peaked at 08:30 UTC this morning. It was of course departing sunspot region 4274 which has been the source of so many solar flares and even geomagnetic storms this past week that provided the fireworks.
Space weather facts
| Last X-flare | 2025/11/14 | X4.0 |
| Last M-flare | 2025/11/14 | M1.3 |
| Last geomagnetic storm | 2025/11/13 | Kp7+ (G3) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| October 2025 | 114.6 -15.2 |
| November 2025 | 100.3 -14.3 |
| Last 30 days | 97.9 -36.5 |