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W7EES > SWPC 08.04.19 20:34l 58 Lines 1977 Bytes #-2645 (0) @ WW
BID : 8511_W7EES
Read: DK3UZ DF7EAV GUEST
Subj: Solar-Geophysical Activity
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast
SDF Number 89 Issued at 2200Z on 30 Mar 2019
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 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 (31 Mar, 01 Apr, 02 Apr).
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 431 km/s at 30/0111Z. Total IMF reached 5 nT at
29/2355Z. The maximum southward component of Bz reached -4 nT at
29/2353Z. Electrons greater than 2 MeV at geosynchronous orbit reached a
peak level of 793 pfu.
IIB. Geophysical Activity Forecast: The geomagnetic field is expected
to be at quiet to unsettled levels on days one, two, and three (31 Mar,
01 Apr, 02 Apr).
III. Event probabilities 31 Mar-02 Apr
Class M 01/01/01
Class X 01/01/01
Proton 01/01/01
PCAF green
IV. Penticton 10.7 cm Flux
Observed 30 Mar 069
Predicted 31 Mar-02 Apr 069/069/069
90 Day Mean 30 Mar 071
V. Geomagnetic A Indices
Observed Afr/Ap 29 Mar 006/006
Estimated Afr/Ap 30 Mar 004/006
Predicted Afr/Ap 31 Mar-02 Apr 008/008-008/008-007/008
VI. Geomagnetic Activity Probabilities 31 Mar-02 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 30/30/30
Major-severe storm 30/30/30
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