Viewing archive of Thursday, 1 August 2019

Solar activity report

Report of Solar-Geophysical Activity 2019 Aug 01 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 213 Issued at 2200Z on 01 Aug 2019

IA. Analysis of Solar Active Regions and Activity from 31-2100Z to 01-2100Z

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 (02 Aug, 03 Aug, 04 Aug).
IIA. Geophysical Activity Summary 31-2100Z to 01-2100Z
The geomagnetic field has been at quiet to unsettled levels for the past 24 hours. Solar wind speed reached a peak of 547 km/s at 01/0513Z. Total IMF reached 8 nT at 31/2148Z. The maximum southward component of Bz reached -6 nT at 31/2338Z.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to be at quiet levels on days one and two (02 Aug, 03 Aug) and quiet to unsettled levels on day three (04 Aug).
III. Event Probabilities 02 Aug to 04 Aug
Class M01%01%01%
Class X01%01%01%
Proton01%01%01%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observed       01 Aug  067
  Predicted   02 Aug-04 Aug  067/067/067
  90 Day Mean        01 Aug  069

V. Geomagnetic A Indices
  Observed Afr/Ap 31 Jul  010/008
  Estimated     Afr/Ap 01 Aug  007/008
  Predicted    Afr/Ap 02 Aug-04 Aug  005/005-006/005-008/008

VI. Geomagnetic Activity Probabilities 02 Aug to 04 Aug
A. Middle Latitudes
Active10%10%15%
Minor storm01%01%05%
Major-severe storm01%01%01%
B. High Latitudes
Active15%15%15%
Minor storm20%20%25%
Major-severe storm20%10%25%

<< 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!

100%

Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/10/26Kp5 (G1)
Number of spotless days in 2019:263
Current stretch spotless days:36

This day in history*

Solar flares
12001M3.4
22015C6.7
31998C5.7
42001C5.3
52001C5.3
ApG
1200335G1
2201328G2
3200624G1
4201621
5200018
*since 1994

Social networks