Report of Solar Geophysical Activity (RSGA)

By Newsroom America Feeds at 5 Mar 2018

Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 64 Issued at 2200Z on 05 Mar 2018

IA. Analysis of Solar Active Regions and Activity from 04/2100Z to 05/2100Z: 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 (06 Mar, 07 Mar, 08 Mar).

IIA. Geophysical Activity Summary 04/2100Z to 05/2100Z: The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 400 km/s at 05/1831Z. Total IMF reached 7 nT at 05/0153Z. The maximum southward component of Bz reached -3 nT at 05/0508Z. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet levels on days one and two (06 Mar, 07 Mar) and quiet to unsettled levels on day three (08 Mar).

III. Event probabilities 06 Mar-08 Mar Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green

IV. Penticton 10.7 cm Flux Observed 05 Mar 068 Predicted 06 Mar-08 Mar 068/068/068 90 Day Mean 05 Mar 071

V. Geomagnetic A Indices Observed Afr/Ap 04 Mar 007/005 Estimated Afr/Ap 05 Mar 005/005 Predicted Afr/Ap 06 Mar-08 Mar 006/005-006/005-008/008

VI. Geomagnetic Activity Probabilities 06 Mar-08 Mar A. Middle Latitudes Active 10/10/15 Minor Storm 01/01/05 Major-severe storm 01/01/01 B. High Latitudes Active 15/15/15 Minor Storm 15/15/25 Major-severe storm 15/15/20


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