Viewing archive of Monday, 24 May 2021
Geophysical report
Solar and Geophysical Activity Summary 2021 May 24 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 144 Issued at 0245Z on 24 May 2021 This report is compiled from data received at SWO on 23 MayA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0419 0436 0443 2824 B5.4 110 0459 0510 0520 2824 C2.7 120 91 0756 0804 0808 2824 N18E09 B5.0 Sf 1000 0910 0922 0935 2824 N20E07 C2.4 1f 110 1100 1108 1114 2824 N19E10 M1.1 2n 230 85 1118 1118 1118 100 1128 1128 1128 260 1142 1142 1142 160 1313 1313 1313 210 1854 1854 1854 110 1946 1946 1946 100
B. Proton Events
C. Geomagnetic Activity Summary
D. Stratwarm
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 079 SSN 030 Afr/Ap 004/004 X-ray Background B1.4 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 5.4e+04 GT 10 MeV 4.6e+04 p/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 3.80e+07 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 0 2 1 2 1 3 1 2 Planetary 0 1 0 1 1 1 0 2
F. Comments
None.
All times in UTC
Current data suggests there is a moderate possibility for aurora to appear at the following high latitude regions in the near future
VorkutaCurrent data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
ArkhangelskCurrent data suggests there is a slight possibility for aurora to appear at the following middle latitude regions in the near future
Petrozavodsk, Surgut, SyktyvkarLatest news
X1.1 solar flare
Coronal hole faces Earth
Strong G3 geomagnetic storm watch for 23 March
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Latest alerts
18:00 UTC - Geomagnetic activity
Active geomagnetic conditions (Kp4) Threshold Reached: 17:46 UTC
15:30 UTC - Solar flare
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15:15 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.36)
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12:39 UTC - Radio Blackout
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| Last M-flare | 2025/04/12 | M2.3 |
| Last geomagnetic storm | 2025/04/06 | Kp5 (G1) |
| Spotless days | |
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| Monthly mean Sunspot Number | |
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