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W7EES > SWPC 25.05.18 16:37l 48 Lines 1572 Bytes #999 (0) @ WW
BID : 3646_W7EES
Read: GUEST
Subj: Solar-Geophysical Activity
Path: IW8PGT<IR2UBX<IK6ZDE<F6IQF<IW0QNL<JH4XSY<JE7YGF<N9PMO<N9LYA<W7EES
Sent: 180524/2306Z 3646@W7EES.OR.USA.NOAM BPQ6.0.16
Joint USAF/NOAA Solar Geophysical Activity Report and Forecast
SDF Number 144 Issued at 2200Z on 24 May 2018
IA. Analysis of Solar Active Regions and Activity from 23/2100Z to
24/2100Z: Solar activity has been at very low levels for the past 24
hours. There are currently 3 numbered sunspot regions on the disk.
IB. Solar Activity Forecast: Solar activity is expected to be very low
with a chance for a C-class flares on days one, two, and three (25 May,
26 May, 27 May).
IIA. Geophysical Activity Summary 23/2100Z to 24/2100Z: The geomagnetic
field has been at quiet levels for the past 24 hours. Solar wind speed
reached a peak of 531 km/s at 23/2237Z. Electrons greater than 2 MeV at
geosynchronous orbit reached a peak level of 120 pfu.
IIB. Geophysical Activity Forecast: The geomagnetic field is expected
to be at quiet levels on days one, two, and three (25 May, 26 May, 27
May).
III. Event probabilities 25 May-27 May
Class M 01/01/01
Class X 01/01/01
Proton 01/01/01
PCAF green
IV. Penticton 10.7 cm Flux
Observed 24 May 074
Predicted 25 May-27 May 074/074/074
90 Day Mean 24 May 069
V. Geomagnetic A Indices
Observed Afr/Ap 23 May 010/009
Estimated Afr/Ap 24 May 006/006
Predicted Afr/Ap 25 May-27 May 006/005-005/005-006/005
VI. Geomagnetic Activity Probabilities 25 May-27 May
A. Middle Latitudes
Active 15/10/10
Minor Storm 01/01/01
Major-severe storm 01/01/01
B. High Latitudes
Active 15/15/15
Minor Storm 20/20/20
Major-severe storm 20/15/15
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