Viewing archive of Saturday, 21 March 2015
Geophysical report
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 080 Issued at 0245Z on 21 Mar 2015 This report is compiled from data received at SWO on 20 MarA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0057 0133 0211 2297 C7.9 520 1501 1501 1501 110 2247 2247 2247 140
B. Proton Events
C. Geomagnetic Activity Summary
D. Stratwarm
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 113 SSN 027 Afr/Ap 018/019 X-ray Background B4.8 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.2e+06 GT 10 MeV 1.0e+04 p/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 7.60e+08 e/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 4 2 5 4 2 3 3 4 Planetary 4 2 5 3 2 2 3 4
F. Comments
The > 2 MeV electron fluence reached high levels.
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
Gillam, MBCurrent data suggests there is a moderate possibility for aurora to appear at the following high latitude regions in the near future
Iqaluit, NUNuuk
Reykjavik
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, SKTórshavn
Current data suggests there is a slight possibility for aurora to appear at the following middle latitude regions in the near future
Calgary, AB, Thunder Bay, ON, Winnipeg, MBLatest news
Coronal hole faces Earth
X2.0 solar flare from sunspot region 4001
Coronal hole faces Earth, Minor G1 geomagnetic storm watch
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Latest alerts
03:15 UTC - Geomagnetic activity
Moderate G2 geomagnetic storm (Kp6) Threshold Reached: 02:59 UTC
01:45 UTC - Geomagnetic activity
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 01:36 UTC
00:18 UTC - Hemispheric Power Index
The OVATION model predicts the Hemispheric Power Index to reach 101GW at 01:06 UTC
Friday, 21 March 2025
23:45 UTC - Geomagnetic activity
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 23:30 UTC
23:12 UTC - Hemispheric Power Index
The OVATION model predicts the Hemispheric Power Index to reach 77GW at 00:01 UTC
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| Last geomagnetic storm | 2025/03/14 | Kp6- (G2) |
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