Report of Solar Geophysical Activity (RSGA)

By Newsroom America Feeds at 9 Mar 17:08

Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 68 Issued at 2200Z on 09 Mar 2018

IA. Analysis of Solar Active Regions and Activity from 08/2100Z to 09/2100Z: 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 (10 Mar, 11 Mar, 12 Mar).

IIA. Geophysical Activity Summary 08/2100Z to 09/2100Z: The geomagnetic field has been at quiet to unsettled levels for the past 24 hours. Solar wind speed reached a peak of 438 km/s at 09/1842Z. Total IMF reached 9 nT at 09/2041Z. The maximum southward component of Bz reached -5 nT at 09/0120Z. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet levels on days one, two, and three (10 Mar, 11 Mar, 12 Mar).

III. Event probabilities 10 Mar-12 Mar Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green

IV. Penticton 10.7 cm Flux Observed 09 Mar 068 Predicted 10 Mar-12 Mar 068/068/068 90 Day Mean 09 Mar 071

V. Geomagnetic A Indices Observed Afr/Ap 08 Mar 003/004 Estimated Afr/Ap 09 Mar 008/009 Predicted Afr/Ap 10 Mar-12 Mar 006/005-006/005-006/005

VI. Geomagnetic Activity Probabilities 10 Mar-12 Mar A. Middle Latitudes Active 10/10/10 Minor Storm 05/01/01 Major-severe storm 01/01/01 B. High Latitudes Active 15/15/15 Minor Storm 20/20/20 Major-severe storm 15/10/10


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