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W7EES > SWPC 07.04.19 22:02l 48 Lines 1683 Bytes #999 (0) @ WW
BID : 8426_W7EES
Read: GUEST
Subj: Solar-Geophysical Activity
Path: IW8PGT<CX2SA<ZL2BAU<W9ABA<N9LYA<W7EES
Sent: 190326/1017Z 8426@W7EES.OR.USA.NOAM BPQ6.0.18
Joint USAF/NOAA Solar Geophysical Activity Report and Forecast
SDF Number 84 Issued at 2200Z on 25 Mar 2019
IA. Analysis of Solar Active Regions and Activity from 24/2100Z to
25/2100Z: 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 (26 Mar, 27 Mar, 28 Mar).
IIA. Geophysical Activity Summary 24/2100Z to 25/2100Z: The geomagnetic
field has been at quiet levels for the past 24 hours. Solar wind speed
reached a peak of 347 km/s at 25/0742Z. Total IMF reached 8 nT at
24/2353Z. The maximum southward component of Bz reached -4 nT at
25/0117Z. Electrons greater than 2 MeV at geosynchronous orbit reached a
peak level of 1146 pfu.
IIB. Geophysical Activity Forecast: The geomagnetic field is expected
to be at quiet to unsettled levels on day one (26 Mar) and quiet to
active levels on days two and three (27 Mar, 28 Mar).
III. Event probabilities 26 Mar-28 Mar
Class M 01/01/01
Class X 01/01/01
Proton 01/01/01
PCAF green
IV. Penticton 10.7 cm Flux
Observed 25 Mar 071
Predicted 26 Mar-28 Mar 071/070/068
90 Day Mean 25 Mar 071
V. Geomagnetic A Indices
Observed Afr/Ap 24 Mar 003/002
Estimated Afr/Ap 25 Mar 006/006
Predicted Afr/Ap 26 Mar-28 Mar 008/008-010/014-013/016
VI. Geomagnetic Activity Probabilities 26 Mar-28 Mar
A. Middle Latitudes
Active 15/35/35
Minor Storm 05/15/15
Major-severe storm 01/01/01
B. High Latitudes
Active 15/10/10
Minor Storm 25/25/25
Major-severe storm 25/55/55
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