Geophysical report

Viewing archive of Sunday, 29 August 2021

Solar and Geophysical Activity Summary 2021 Aug 29 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 241 Issued at 0245Z on 29 Aug 2021 This report is compiled from data received at SWO on 28 Aug

A. Energetic Events

Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 0501 0505 0509  2860 S31E07 C7.0  Sn 360           II              
 0539 0611 0623  2860 S28W01 M4.7  1n 340    60     II/IV           
 0652 0652 0652                       370    19                     
 1416 1417 1428  2860 S31E00       Sn 610

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 090  SSN 077  Afr/Ap 017/017   X-ray Background B3.7
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 1.6e+05   GT 10 MeV 4.6e+04 p/(cm2-ster-day)
(GOES-16 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 2.80e+08 e/(cm2-ster-day)
(GOES-16 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 5 3 4 3 2 3 2 1 Planetary 5 3 4 3 1 3 1 1

F. Comments

  None

All times in UTC

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This day in history*

Solar flares
1	2024	M4.3
2	2025	M4.2
3	2002	M2.07
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		Dst	G
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2	1981	-129	G1
3	1971	-121	G4
4	1961	-118	G3
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*since 1994

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