Viewing archive of Friday, 5 July 2019

Solar activity report

Report of Solar-Geophysical Activity 2019 Jul 05 2200 UTC
Prepared by the NOAA © SWPC and processed by

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 186 Issued at 2200Z on 05 Jul 2019

IA. Analysis of Solar Active Regions and Activity from 04-2100Z to 05-2100Z

Solar activity has been at very low levels for the past 24 hours. There are currently 0 numbered sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is expected to be very low on days one, two, and three (06 Jul, 07 Jul, 08 Jul).
IIA. Geophysical Activity Summary 04-2100Z to 05-2100Z
The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 457 km/s at 05/1444Z. Total IMF reached 7 nT at 04/2233Z. The maximum southward component of Bz reached -4 nT at 05/0110Z.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to be at quiet to unsettled levels on day one (06 Jul) and quiet levels on days two and three (07 Jul, 08 Jul).
III. Event Probabilities 06 Jul to 08 Jul
Class M01%01%01%
Class X01%01%01%
IV. Penticton 10.7 cm Flux
  Observed       05 Jul 067
  Predicted   06 Jul-08 Jul 067/067/067
  90 Day Mean        05 Jul 070

V. Geomagnetic A Indices
  Observed Afr/Ap 04 Jul  008/006
  Estimated     Afr/Ap 05 Jul  007/006
  Predicted    Afr/Ap 06 Jul-08 Jul  007/008-006/005-006/005

VI. Geomagnetic Activity Probabilities 06 Jul to 08 Jul
A. Middle Latitudes
Minor storm10%05%01%
Major-severe storm01%01%01%
B. High Latitudes
Minor storm25%20%15%
Major-severe storm25%20%15%

<< Go to daily overview page

Latest news


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!


Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2020/02/19Kp5 (G1)
Number of spotless days in 2020:68
Current stretch spotless days:19

This day in history*

Solar flares
*since 1994

Social networks