Viewing archive of Thursday, 27 July 2023

Geophysical report

Solar and Geophysical Activity Summary 2023 Jul 27 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 208 Issued at 0245Z on 27 Jul 2023 This report is compiled from data received at SWO on 26 Jul
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 0025 0040 0051  3376 N20W64 C5.5  1f 610                           
 0421 0428 0433  3376        M1.2                                   
 0459 0459 0459                       170                           
 0621 0645 0728  3380 S08E38       Sf 100                           
 0824 0844 0854  3380 N13E71 C8.3  Sf 510                           
 0930 0930 0930                       100                           
 1017 1037 1048  3376        M4.6                                   
 1516 1524 1533  3380 S10E31 C7.9  1n 250                           
 1550 1559 1607  3376 N19W73 M2.0  1b                               
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field reached minor storm levels
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 167  SSN 147  Afr/Ap 023/024   X-ray Background C1.9
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 2.0e+06   GT 10 MeV 2.6e+04 p/(cm2-ster-day)
(GOES-16 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 5.30e+06 e/(cm2-ster-day)
(GOES-16 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 4 5 4 4 3 3 2 3 Planetary 4 5 4 4 3 3 2 3 
F. Comments
  None

All times in UTC

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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, Utsjoki
Kirkenes, Tromsø, Trondheim
Arkhangelsk, Murmansk, Vorkuta
Kiruna, Luleå, Umeå
The solar wind speed is currently high (764.1 km/sec.)

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