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W7EES > SWPC 13.10.18 19:16l 55 Lines 1972 Bytes #999 (0) @ WW
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Subj: Solar-Geophysical Activity
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast
SDF Number 285 Issued at 2200Z on 12 Oct 2018
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 1 numbered sunspot regions on the disk.
IB. Solar Activity Forecast: Solar activity is expected to be very low
with a slight chance for a C-class flare on days one, two, and three (13
Oct, 14 Oct, 15 Oct).
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 478 km/s at 12/0128Z. Electrons greater than 2 MeV at
geosynchronous orbit reached a peak level of 36880 pfu.
IIB. Geophysical Activity Forecast: The geomagnetic field is expected
to be at quiet levels on day one (13 Oct), quiet to active levels on day
two (14 Oct) and quiet to unsettled levels on day three (15 Oct).
III. Event probabilities 13 Oct-15 Oct
Class M 01/01/01
Class X 01/01/01
Proton 01/01/01
PCAF green
IV. Penticton 10.7 cm Flux
Observed 12 Oct 072
Predicted 13 Oct-15 Oct 073/073/073
90 Day Mean 12 Oct 069
V. Geomagnetic A Indices
Observed Afr/Ap 11 Oct 007/009
Estimated Afr/Ap 12 Oct 005/006
Predicted Afr/Ap 13 Oct-15 Oct 006/005-010/012-009/008
VI. Geomagnetic Activity Probabilities 13 Oct-15 Oct
A. Middle Latitudes
Active 10/25/20
Minor Storm 01/05/05
Major-severe storm 01/01/01
B. High Latitudes
Active 15/15/15
Minor Storm 20/30/25
Major-severe storm 20/30/25
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