Viewing archive of Monday, 18 March 2002
Geophysical report
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 077 Issued at 0245Z on 18 Mar 2002 This report is compiled from data received at SWO on 17 MarA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0452 0458 0501 9871 S20E24 C3.1 Sf 160 1011 1019 1024 M1.3 85 1848 1849 1849 350 1924 1931 1934 9871 S22E16 M4.0 Sf 270 240
B. Proton Events
C. Geomagnetic Activity Summary
D. Stratwarm
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 184 SSN 124 Afr/Ap 005/004 X-ray Background B7.0 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 4.6e+07 GT 10 MeV 4.6e+05 p/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 2.00e+06 e/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 0 0 0 0 1 1 1 1 Planetary 1 0 0 1 2 2 2 1
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
Oulu, Rovaniemi, Sodankylä, UtsjokiKirkenes
Arkhangelsk, Murmansk, Norilsk, Vorkuta
Kiruna, Luleå
Latest news
X1.1 solar flare
Coronal hole faces Earth
Strong G3 geomagnetic storm watch for 23 March
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Latest alerts
19:45 UTC - Solar flare
Moderate M1.16 flare
19:27 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.1)
X1.1 solar flare
We have only just started to relax following the moderate G2 geomagnetic storm conditions from a massive coronal hole and suddenly... bam... our Sun surprises us all with a X1.1 solar flare (R3-strong) that came from sunspot region 4046 which is just rotating into view on the east limb.
18:21 UTC - Solar flare
Moderate M1.03 flare
18:03 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1)
Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/03/28 | M1.0 |
| Last geomagnetic storm | 2025/03/27 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2025 | 154.6 +17.6 |
| March 2025 | 130 -24.6 |
| Last 30 days | 130 -22.2 |