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Geophysical report

Solar and Geophysical Activity Summary 2021 Apr 16 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 106 Issued at 0245Z on 16 Apr 2021 This report is compiled from data received at SWO on 15 Apr
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
None
B. Proton Events
None
C. Geomagnetic Activity Summary
Field activity was at quiet to active levels.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 072  SSN 022  Afr/Ap 011/010   X-ray Background A4.7
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 7.3e+04   GT 10 MeV 4.2e+04 p/(cm2-ster-day)
(GOES-16 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 1.30e+06 e/(cm2-ster-day)
(GOES-16 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 2 3 5 2 3 3 1 2 Planetary 2 3 4 1 2 2 1 2 
F. Comments
  None

All times in UTC

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Active geomagnetic conditions

Observed Kp: 4
Threshold reached: 22:36 UTC

Current data suggests there is a high possibility for aurora to appear at the following high latitude regions in the near future

Nuuk
Reykjavik

Current data suggests there is a moderate possibility for aurora to appear at the following high latitude regions in the near future

Tórshavn
Oulu, Rovaniemi, Sodankylä, Utsjoki
Kirkenes, Tromsø, Trondheim
Murmansk, Norilsk, Vorkuta
Kiruna, Luleå, Umeå

Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future

Kuopio
Bergen
Arkhangelsk
Sundsvall

Current data suggests there is a slight possibility for aurora to appear at the following middle latitude regions in the near future

Tampere
Petrozavodsk
The direction of the interplanetary magnetic field is slightly South (-8.72nT).

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