[Propagation+Space Weather] Today's Space Weather Forecast Discussion on 2021 Jun 30 1230 UTC

[nw7us@sunspotwatch.com]

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Here is the current forecast discussion on space weather and geophysical activity, issued 2021 Jun 30 1230 UTC.

Solar Activity

24 hr Summary: Solar activity was very low. Regions 2835 (S18E06,Eki/beta-delta), 2836 (S28W00, Cro/beta), and 2837 (N17E49, Hrx/alpha) were absent of significant flare activity. There were no Earth-directed CMEs observed in available imagery.

Forecast: Solar activity is likely to be low, with a slight chance for M-class flaring on 30 Jun - 02 Jul, due to the magnetic complexity of Region 2835.

Energetic Particles

24 hr Summary: The greater than 2 MeV electron flux reached moderate levels and the greater than 10 MeV proton flux remained at background values.

Forecast: The greater than 2 MeV electron flux is expected to continue at normal to moderate levels on 30 Jun - 02 Jul and the greater than 10 MeV proton flux is expected to persist at background levels.

Solar Wind

24 hr Summary: A weak transient feature was observed in solar wind data at approximately 30/0245 UTC. At this time, minor increases in temperature, density, and wind speed were observed. Wind speed peaked at 379 km/s. Total field rose to 10 nT while Bz dropped to a period low of -10 nT. Phi was predominately positive.

Forecast: The solar wind environment is expected to remain enhanced throughout the forecast period (30 Jun - 02 Jul) due to combined coronal hole and CME effects.

Geospace

24 hr Summary: The geomagnetic field was quiet to unsettled due to CME effects.

Forecast: The geomagnetic field is expected to be quiet to unsettled throughout the forecast period (30 Jun - 02 Jul) due to CH HSS influences and possible weak effects from the 27 Jun CME.

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