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W7EES > SWPC 02.03.20 00:25l 48 Lines 2043 Bytes #999 (0) @ WW
BID : 14186_W7EES
Read: GUEST
Subj: Solar-Geophysical Activity
Path: IW8PGT<HB9ON<IW2OHX<IQ2LB<IR2UFV<N3HYM<W7EES
Sent: 200210/0014Z 14186@W7EES.OR.USA.NOAM BPQ6.0.19
Joint USAF/NOAA Solar Geophysical Activity Report and Forecast
SDF Number 40 Issued at 2200Z on 09 Feb 2020
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 Feb, 11 Feb, 12 Feb).
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 467 km/s at 09/0004Z. Total IMF reached 5
nT at 09/0805Z. The maximum southward component of Bz reached -3 nT at
09/0405Z. Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 2854 pfu.
IIB. Geophysical Activity Forecast: The geomagnetic field is expected
to be at quiet levels on day one (10 Feb), quiet to active levels on day
two (11 Feb) and quiet to unsettled levels on day three (12 Feb).
III. Event probabilities 10 Feb-12 Feb
Class M 01/01/01
Class X 01/01/01
Proton 01/01/01
PCAF green
IV. Penticton 10.7 cm Flux
Observed 09 Feb 071
Predicted 10 Feb-12 Feb 071/071/071
90 Day Mean 09 Feb 071
V. Geomagnetic A Indices
Observed Afr/Ap 08 Feb 004/004
Estimated Afr/Ap 09 Feb 006/006
Predicted Afr/Ap 10 Feb-12 Feb 005/005-010/012-009/010
VI. Geomagnetic Activity Probabilities 10 Feb-12 Feb
A. Middle Latitudes
Active 10/25/20
Minor Storm 01/10/05
Major-severe storm 01/01/01
B. High Latitudes
Active 15/15/15
Minor Storm 20/30/25
Major-severe storm 10/40/30
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