Viewing archive of Sunday, 24 September 2023
Geophysical report
Solar and Geophysical Activity Summary 2023 Sep 24 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 267 Issued at 0245Z on 24 Sep 2023 This report is compiled from data received at SWO on 23 SepA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0256 0303 0309 3443 C2.7 1000 0700 0716 0726 3445 S13E32 C3.8 Sf 1700 0803 0803 0803 130 1026 1026 1026 130 1052 1052 1052 240 1100 1104 1108 3443 N27W42 C2.7 Sf 380 1443 1443 1443 120 2014 2043 2100 3436 M1.5 2140 2140 2140 120
B. Proton Events
C. Geomagnetic Activity Summary
D. Stratwarm
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 173 SSN 198 Afr/Ap 009/013 X-ray Background C1.2 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.1e+05 GT 10 MeV 1.9e+04 p/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 7.60e+07 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 3 2 3 4 3 2 2 2 Planetary 3 2 2 3 3 3 3 2
F. Comments
None.
All times in UTC
Current data suggests there is a high possibility for aurora to appear at the following high latitude regions in the near future
Fairbanks, AKCurrent data suggests there is a moderate possibility for aurora to appear at the following high latitude regions in the near future
Gillam, MB, Whitehorse, YT, Yellowknife, NTAnchorage, AK, Juneau, AK
Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
Edmonton, AB, Saskatoon, SKLatest news
X1.1 solar flare
Coronal hole faces Earth
Strong G3 geomagnetic storm watch for 23 March
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08:12 UTC - Hemispheric Power Index
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| 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 | |
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| April 2025 | 148.6 +14.4 |
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