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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast 3 July 2020

Status Report From: Space Weather Prediction Center (NOAA)
Posted: Friday, July 3, 2020

Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 185 Issued at 2200Z on 03 Jul 2020 IA. Analysis of Solar Active Regions and Activity from 02/2100Z to 03/2100Z: 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 (04 Jul, 05 Jul, 06 Jul). IIA. Geophysical Activity Summary 02/2100Z to 03/2100Z: The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 337 km/s at 02/2156Z. Total IMF reached 5 nT at 03/1221Z. The maximum southward component of Bz reached -3 nT at 03/0720Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 201 pfu.

IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet levels on days one, two, and three (04 Jul, 05 Jul, 06 Jul). III. Event probabilities 04 Jul-06 Jul Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 03 Jul 069 Predicted 04 Jul-06 Jul 069/069/069 90 Day Mean 03 Jul 069 V. Geomagnetic A Indices Observed Afr/Ap 02 Jul 005/004 Estimated Afr/Ap 03 Jul 004/005 Predicted Afr/Ap 04 Jul-06 Jul 006/005-007/008-006/005 VI. Geomagnetic Activity Probabilities 04 Jul-06 Jul A. Middle Latitudes Active 10/15/10 Minor Storm 01/05/01 Major-severe storm 01/01/01 B. High Latitudes Active 20/15/20 Minor Storm 20/25/20 Major-severe storm 10/20/10


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