Viewing archive of Saturday, 18 May 2024
Geophysical report
Solar and Geophysical Activity Summary 2024 May 18 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 139 Issued at 0245Z on 18 May 2024 This report is compiled from data received at SWO on 17 MayA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0307 0307 0308 740 0503 0508 0512 3679 C3.1 190 0630 0630 0631 240 1541 1541 1541 200 1838 1838 1838 100 2033 2108 2126 3685 S12E62 M7.2 2b 170 II/IV 2103 2103 2103 250 2119 2120 2120 160 2152 2155 2202 110 130
B. Proton Events
C. Geomagnetic Activity Summary
D. Stratwarm
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 204 SSN 168 Afr/Ap 016/028 X-ray Background C1.8 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.4e+07 GT 10 MeV 3.2e+05 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 2.90e+06 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 2 2 2 1 4 5 4 4 Planetary 2 2 2 1 4 5 6 5
F. Comments
None
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
Gillam, MB, Yellowknife, NTLatest news
Strong G3 geomagnetic storm watch for 23 March
Coronal hole faces Earth
X2.0 solar flare from sunspot region 4001
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Latest alerts
Saturday, 22 March 2025
23:45 UTC - Geomagnetic activity
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 23:37 UTC
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03:45 UTC - Geomagnetic activity
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| Last M-flare | 2025/03/21 | M1.2 |
| Last geomagnetic storm | 2025/03/22 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
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| March 2025 | 142 -12.6 |
| Last 30 days | 141.3 -10.4 |