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W7EES > SWPC 13.05.18 01:11l 48 Lines 1685 Bytes #999 (0) @ WW
BID : 3559_W7EES
Read: GUEST
Subj: Solar-Geophysical Activity
Path: IW8PGT<LU4ECL<ZL2BAU<GB7YEW<N9PMO<N9LYA<W7EES
Sent: 180512/2246Z 3559@W7EES.OR.USA.NOAM BPQ6.0.16
Joint USAF/NOAA Solar Geophysical Activity Report and Forecast
SDF Number 132 Issued at 2200Z on 12 May 2018
IA. Analysis of Solar Active Regions and Activity from 11/2100Z to
12/2100Z: 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 (13 May, 14 May, 15 May).
IIA. Geophysical Activity Summary 11/2100Z to 12/2100Z: The geomagnetic
field has been at quiet to active levels for the past 24 hours. Solar
wind speed reached a peak of 523 km/s at 12/1226Z. Total IMF reached 8
nT at 11/2347Z. The maximum southward component of Bz reached -5 nT at
11/2112Z. Electrons greater than 2 MeV at geosynchronous orbit reached a
peak level of 29616 pfu.
IIB. Geophysical Activity Forecast: The geomagnetic field is expected
to be at quiet to unsettled levels on day one (13 May) and quiet levels
on days two and three (14 May, 15 May).
III. Event probabilities 13 May-15 May
Class M 01/01/01
Class X 01/01/01
Proton 01/01/01
PCAF green
IV. Penticton 10.7 cm Flux
Observed 12 May 070
Predicted 13 May-15 May 070/070/070
90 Day Mean 12 May 069
V. Geomagnetic A Indices
Observed Afr/Ap 11 May 019/014
Estimated Afr/Ap 12 May 010/010
Predicted Afr/Ap 13 May-15 May 008/008-006/005-006/005
VI. Geomagnetic Activity Probabilities 13 May-15 May
A. Middle Latitudes
Active 15/10/10
Minor Storm 05/01/01
Major-severe storm 01/01/01
B. High Latitudes
Active 15/15/15
Minor Storm 25/15/15
Major-severe storm 20/10/10
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