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Geophysical report

Solar and Geophysical Activity Summary 2023 Sep 15 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 258 Issued at 0245Z on 15 Sep 2023 This report is compiled from data received at SWO on 14 Sep
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 0640 0745 0839  3429        M1.4                                   
 1656 1656 1656                       170                           
 1923 1931 1940  3429 N12E09 M1.9  Sn 460                           
 2117 2126 2132  3429 N12E08 M2.5  Sn                               
B. Proton Events
None
C. Geomagnetic Activity Summary
Field conditions were at quiet to minor storm levels.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 145  SSN 110  Afr/Ap 013/024   X-ray Background C1.2
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 1.0e+06   GT 10 MeV 2.4e+04 p/(cm2-ster-day)
(GOES-16 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 6.20e+06 e/(cm2-ster-day)
(GOES-16 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 4 2 3 2 2 2 4 4 Planetary 4 3 3 2 3 5 5 4 
F. Comments
  None

All times in UTC

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G1 - Minor geomagnetic storm

Observed Kp: 5
Threshold reached: 17:32 UTC
The solar wind speed is currently moderately high (503.8 km/sec.)
The density of the solar wind is high (49.7 p/cm3)
The strength of the interplanetary magnetic field is moderate (16nT), the direction is North (9.09nT).

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Latest alerts

17:45 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 17:32 UTC

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17:30 UTC - Geomagnetic activity

Active geomagnetic conditions (Kp4) Threshold Reached: 17:25 UTC

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CME impact detected - Current Solar Wind Speed 485km/sec - IMF: Bt (strength): 17nT & Bz: -4nT (South).

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10:39 UTC - Solar flare

Moderate M1.52 flare from sunspot region 4055

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10:24 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.52)


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