Viewing archive of Saturday, 31 May 2025
Geophysical report
Solar and Geophysical Activity Summary 2025 May 31 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 151 Issued at 0245Z on 31 May 2025 This report is compiled from data received at SWO on 30 MayA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0241 0241 0241 130 0357 0357 0357 150 0556 0613 0619 4100 N06E55 M3.4 Sf 130 II 0642 0647 0653 N06E54 Sf IV 0944 0945 0956 N06E52 Sf 200 1004 1004 1004 140 1137 1137 1138 1300 1201 1201 1201 540 1246 1246 1246 130 1354 1355 1355 610 1406 1406 1406 240 1447 1447 1451 170 1627 1627 1628 140 1755 1757 1800 180 1801 1801 1801 130 1822 1839 1854 4104 N06E46 M1.6 Sf 1912 1913 1913 250 1943 1943 1943 260 2002 2002 2002 120 2004 2004 2004 110 2051 2058 2103 4100 C2.0 500 2121 2121 2121 110 2353 2359 II
B. Proton Events
None
C. Geomagnetic Activity Summary
Field conditions were at unsettled
to minor storm (G1-Minor) levels due to negative polarity coronal
hole high speed stream influence.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 157 SSN 107 Afr/Ap 018/018 X-ray Background C1.0 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.2e+06 GT 10 MeV 1.8e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 1.20e+08 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W0 degrees) 3 Hour K-indices Boulder 4 4 5 3 4 4 3 3 Planetary ? ? ? ? ? ? ? ?
F. Comments
None
All times in UTC
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