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W7EES > SWPC 09.04.19 20:34l 58 Lines 1987 Bytes #-2644 (0) @ WW
BID : 8541_W7EES
Read: DF7EAV DK3UZ GUEST
Subj: Solar-Geophysical Activity
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast
SDF Number 91 Issued at 2200Z on 01 Apr 2019
IA. Analysis of Solar Active Regions and Activity from 31/2100Z to
01/2100Z: 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
on days one, two, and three (02 Apr, 03 Apr, 04 Apr).
IIA. Geophysical Activity Summary 31/2100Z to 01/2100Z: The geomagnetic
field has been at quiet to active levels for the past 24 hours. Solar
wind speed reached a peak of 426 km/s at 31/2337Z. Total IMF reached 7
nT at 01/0741Z. The maximum southward component of Bz reached -6 nT at
01/0738Z. Electrons greater than 2 MeV at geosynchronous orbit reached a
peak level of 122 pfu.
IIB. Geophysical Activity Forecast: The geomagnetic field is expected
to be at quiet to unsettled levels on days one, two, and three (02 Apr,
03 Apr, 04 Apr).
III. Event probabilities 02 Apr-04 Apr
Class M 01/01/01
Class X 01/01/01
Proton 01/01/01
PCAF green
IV. Penticton 10.7 cm Flux
Observed 01 Apr 069
Predicted 02 Apr-04 Apr 070/070/070
90 Day Mean 01 Apr 071
V. Geomagnetic A Indices
Observed Afr/Ap 31 Mar 009/010
Estimated Afr/Ap 01 Apr 010/013
Predicted Afr/Ap 02 Apr-04 Apr 007/008-008/010-007/010
VI. Geomagnetic Activity Probabilities 02 Apr-04 Apr
A. Middle Latitudes
Active 20/20/20
Minor Storm 05/05/05
Major-severe storm 01/01/01
B. High Latitudes
Active 15/15/15
Minor Storm 25/30/30
Major-severe storm 25/30/30
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