Viewing archive of Tuesday, 18 July 2017

Geophysical report

Solar and Geophysical Activity Summary 2017 Jul 18 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 199 Issued at 0245Z on 18 Jul 2017 This report is compiled from data received at SWO on 17 Jul
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 0403 0407 0409  2665        B3.2     600                           
 0432 0432 0432                       110                           
 0432 0432 0432                       130                           
 0453 0453 0453                       120                           
 0539 0539 0539                       120                           
 0709 0709 0709                       170                           
 1013 1017 1020              B4.4     1500                          
 1641 1641 1641                       100                           
 1658 1658 1658                       110                           
B. Proton Events
None.
C. Geomagnetic Activity Summary
The geomagnetic field reached major storm levels during the 17/1500-1800 UTC synoptic period, due to the continued influence of a CME.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 086  SSN 013  Afr/Ap 023/033   X-ray Background B2.0
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 5.2e+07   GT 10 MeV 1.6e+04 p/(cm2-ster-day)
(GOES-13 satellite synchronous orbit W74 degrees)
Daily Electron Fluence
GT 2 MeV 2.80e+08 e/(cm2-ster-day)
(GOES-13 satellite synchronous orbit W74 degrees)
3 Hour K-indices
Boulder 3 5 5 4 4 4 2 2 Planetary 3 4 5 5 4 6 2 3 
F. Comments
  None

<< Go to daily overview page

Latest news

Support SpaceWeatherLive.com!

A lot of people come to SpaceWeatherLive to follow the Sun's activity or if there is aurora to be seen, but with more traffic comes higher server costs. Consider a donation if you enjoy SpaceWeatherLive so we can keep the website online!

92%

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/06/08Kp5 (G1)
Number of spotless days in 2019:105
Current stretch spotless days:32

This day in history*

Solar flares
12013C8.4
22015C8.1
32002C5.5
41999C5.1
52011C4.7
ApG
1199529G2
2199418G1
3200314
4200112
5199612
*since 1994

Social networks