Activity summary of the solar and geophysical activity

Below you'll find a daily report brought to you by the NOAA about the solar activity and geophysical activity during the past day and the prediction for the coming days. This page is daily updated around midnight.

Solar and Geophysical Activity Summary 2017 Aug 21 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 233 Issued at 0245Z on 21 Aug 2017 This report is compiled from data received at SWO on 20 Aug
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 0136 0152 0203  2672        M1.1                                   
 0225 0225 0225                       120                           
 0520 0520 0520                       180                           
 0522 0522 0522                       340                           
 1340 1340 1340                       150                           
 2209 2210 2210                       200                           
B. Proton Events
None.
C. Geomagnetic Activity Summary
The geomagnetic field was at quiet to major storm levels.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 086  SSN 044  Afr/Ap 021/025   X-ray Background B3.3
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 4.4e+07   GT 10 MeV 1.5e+04 p/(cm2-ster-day)
(GOES-13 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 7.10e+08 e/(cm2-ster-day)
(GOES-13 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 5 6 4 4 3 3 2 3 Planetary 5 6 3 4 2 3 3 3 
F. Comments
  The greater than 2 MeV electron fluence reached high
levels today.
Current data suggest that it is not possible to see aurora now at middle latitudes
Active geomagnetic conditions expected
The solar wind speed is currently moderately high (578.8 km/sec.)

Latest news

Today's space weather

Auroral activity Minor Severe
High latitude 25% 35%
Middle latitude 5% 1%
Predicted Kp max 4
Solar activity
M-class solar flare 25%
X-class solar flare 1%
Moon phase
New Moon

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Last spotless day:2017/08/01

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