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Solar activity report

Report of Solar-Geophysical Activity 2024 Jul 05 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 187 Issued at 2200Z on 05 Jul 2024

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

Solar activity has been at low levels for the past 24 hours. The largest solar event of the period was a C9 event observed at 05/1903Z. There are currently 8 numbered sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is expected to be low with a chance for M-class flares 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 to unsettled levels for the past 24 hours. Solar wind speed reached a peak of 389 km/s at 05/1007Z. Total IMF reached 11 nT at 05/0540Z. The maximum southward component of Bz reached -7 nT at 05/1103Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 171 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to be at quiet levels on days one and two (06 Jul, 07 Jul) and quiet to active levels on day three (08 Jul).
III. Event Probabilities 06 Jul to 08 Jul
Class M35%35%35%
Class X05%05%05%
Proton05%05%05%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observed       05 Jul 166
  Predicted   06 Jul-08 Jul 165/165/160
  90 Day Mean        05 Jul 182

V. Geomagnetic A Indices
  Observed Afr/Ap 04 Jul  010/011
  Estimated     Afr/Ap 05 Jul  008/008
  Predicted    Afr/Ap 06 Jul-08 Jul  005/005-006/005-010/012

VI. Geomagnetic Activity Probabilities 06 Jul to 08 Jul
A. Middle Latitudes
Active10%10%30%
Minor storm01%01%15%
Major-severe storm01%01%01%
B. High Latitudes
Active15%15%15%
Minor storm20%20%30%
Major-severe storm20%20%45%

All times in UTC

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