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W7EES > SWPC 31.07.20 03:30l 48 Lines 2003 Bytes #999 (0) @ WW
BID : 20015_W7EES
Read: GUEST
Subj: Solar-Geophysical Activity
Path: IW8PGT<IZ3LSV<DB0ERF<DB0RES<SR4BBX<SR9ZAA<VE2PKT<GB7YEW<PE1RRR<W8EDU<
N3HYM<W7EES
Sent: 200731/0001Z 20015@W7EES.OR.USA.NOAM BPQK6.0.20
Joint USAF/NOAA Solar Geophysical Activity Report and Forecast
SDF Number 212 Issued at 2200Z on 30 Jul 2020
IA. Analysis of Solar Active Regions and Activity from 29/2100Z to
30/2100Z: Solar activity has been at very low levels for the past 24
hours. There are currently 2 numbered sunspot regions on the disk.
IB. Solar Activity Forecast: Solar activity is expected to be very low
on days one, two, and three (31 Jul, 01 Aug, 02 Aug).
IIA. Geophysical Activity Summary 29/2100Z to 30/2100Z: The geomagnetic
field has been at quiet levels for the past 24 hours. Solar wind speed
reached a peak of 382 km/s at 29/2217Z. Total IMF reached 7 nT at
30/0405Z. The maximum southward component of Bz reached -7 nT at
30/0405Z. Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 230 pfu.
IIB. Geophysical Activity Forecast: The geomagnetic field is expected
to be at quiet levels on day one (31 Jul) and quiet to unsettled levels
on days two and three (01 Aug, 02 Aug).
III. Event probabilities 31 Jul-02 Aug
Class M 01/01/01
Class X 01/01/01
Proton 01/01/01
PCAF green
IV. Penticton 10.7 cm Flux
Observed 30 Jul 073
Predicted 31 Jul-02 Aug 072/072/072
90 Day Mean 30 Jul 069
V. Geomagnetic A Indices
Observed Afr/Ap 29 Jul 004/004
Estimated Afr/Ap 30 Jul 004/005
Predicted Afr/Ap 31 Jul-02 Aug 006/005-007/008-008/010
VI. Geomagnetic Activity Probabilities 31 Jul-02 Aug
A. Middle Latitudes
Active 10/25/35
Minor Storm 01/05/10
Major-severe storm 01/01/01
B. High Latitudes
Active 20/15/15
Minor Storm 20/30/30
Major-severe storm 10/30/45
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