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OK0NAG > SOLAR 17.06.08 23:55l 73 Lines 2892 Bytes #999 (0) @ EU
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Date: Tue, 17 Jun 2008 22:01:50 -0000
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Subject: Report of Solar Geophysical Activity (RSGA)
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:Product: Report of Solar-Geophysical Activity
:Issued: 2008 Jun 17 2200 UTC
# Prepared jointly by the U.S. Dept. of Commerce, NOAA,
# Space Weather Prediction Center and the U.S. Air Force.
#
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 169 Issued at 2200Z on 17 Jun 2008
IA. Analysis of Solar Active Regions and Activity from 16/2100Z
to 17/2100Z: Solar activity was very low. Region 999 (S02E46) has
shown little change from yesterday and remains a single spot alpha
magnetic classification.
IB. Solar Activity Forecast: Solar activity is expected to be very
low.
IIA. Geophysical Activity Summary 16/2100Z to 17/2100Z:
The geomagnetic field was at quiet to active conditions. Solar wind
velocities, as measured at the ACE satellite, averaged around 680
km/s with a peak speed of 784 km/s at 17/0248 UTC. The greater than
2 MeV electron flux at geosynchronous orbit reached high levels
again today.
IIB. Geophysical Activity Forecast: The geomagnetic field is
expected to be predominately quiet to unsettled levels with a chance
for isolated active conditions for the next three days (18-20 June).
III. Event Probabilities 18 Jun-20 Jun
Class M 01/01/01
Class X 01/01/01
Proton 01/01/01
PCAF Green
IV. Penticton 10.7 cm Flux
Observed 17 Jun 066
Predicted 18 Jun-20 Jun 067/067/067
90 Day Mean 17 Jun 070
V. Geomagnetic A Indices
Observed Afr/Ap 16 Jun 010/013
Estimated Afr/Ap 17 Jun 010/015
Predicted Afr/Ap 18 Jun-20 Jun 010/012-010/010-008/010
VI. Geomagnetic Activity Probabilities 18 Jun-20 Jun
A. Middle Latitudes
Active 25/25/15
Minor storm 05/05/05
Major-severe storm 01/01/01
B. High Latitudes
Active 35/35/35
Minor storm 15/10/10
Major-severe storm 01/01/01
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to remove a product subscription or update the personal information in
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