Report of Solar Geophysical Activity (RSGA)

By Newsroom America Feeds at 6 Mar 2018

Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 65 Issued at 2200Z on 06 Mar 2018

IA. Analysis of Solar Active Regions and Activity from 05/2100Z to 06/2100Z: 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 (07 Mar, 08 Mar, 09 Mar).

IIA. Geophysical Activity Summary 05/2100Z to 06/2100Z: The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 434 km/s at 06/2057Z. Total IMF reached 6 nT at 06/1422Z. The maximum southward component of Bz reached -3 nT at 06/1453Z. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet levels on day one (07 Mar) and quiet to unsettled levels on days two and three (08 Mar, 09 Mar).

III. Event probabilities 07 Mar-09 Mar Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green

IV. Penticton 10.7 cm Flux Observed 06 Mar 068 Predicted 07 Mar-09 Mar 068/068/068 90 Day Mean 06 Mar 071

V. Geomagnetic A Indices Observed Afr/Ap 05 Mar 005/004 Estimated Afr/Ap 06 Mar 005/005 Predicted Afr/Ap 07 Mar-09 Mar 006/005-008/008-009/012

VI. Geomagnetic Activity Probabilities 07 Mar-09 Mar A. Middle Latitudes Active 10/15/30 Minor Storm 01/05/10 Major-severe storm 01/01/01 B. High Latitudes Active 15/15/15 Minor Storm 15/25/30 Major-severe storm 15/25/45


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