From: Space Weather Prediction Center (NOAA)
Posted: Wednesday, June 12, 2019
Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 163 Issued at 2200Z on 12 Jun 2019 IA. Analysis of Solar Active Regions and Activity from 11/2100Z to 12/2100Z: 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 (13 Jun, 14 Jun, 15 Jun). IIA. Geophysical Activity Summary 11/2100Z to 12/2100Z: The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 374 km/s at 12/1228Z. Total IMF reached 8 nT at 12/1111Z. The maximum southward component of Bz reached -5 nT at 12/0924Z.
IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to active levels on day one (13 Jun), quiet to unsettled levels on day two (14 Jun) and quiet levels on day three (15 Jun). III. Event probabilities 13 Jun-15 Jun Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 12 Jun 070 Predicted 13 Jun-15 Jun 070/070/070 90 Day Mean 12 Jun 072 V. Geomagnetic A Indices Observed Afr/Ap 11 Jun 003/004 Estimated Afr/Ap 12 Jun 009/012 Predicted Afr/Ap 13 Jun-15 Jun 011/012-008/008-005/005 VI. Geomagnetic Activity Probabilities 13 Jun-15 Jun A. Middle Latitudes Active 40/20/10 Minor Storm 20/05/01 Major-severe storm 05/01/01 B. High Latitudes Active 15/15/15 Minor Storm 35/20/20 Major-severe storm 50/25/15
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