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PRELIMINARY DAILY SUMMARY OF SOLAR GEOPHYSICAL ACTIVITY
18 JUNE, 2013
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(Based in-part on SEC Data.)
(The final report will be released tommorrow.)
PRELIMINARY SOLAR & GEOPHYSICAL INDICES FOR 18 JUNE, 2013
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DRAO 10.7 cm Solar Flux at 18Z, 20Z, 22Z: N/A, N/A, N/A sfu.
Predicted Solar Flux for Next 3 Days: 25, 25, 25.
Average 90-day Solar Flux: 121.
Current Middle Latitude A-Index: 5
Current Boulder K-Indices: 1111 132*
Current Planetary K-Indices: 1111 122*
Boulder A-Index 3-Day Forecast: N/A, N/A, N/A.
Planetary A-Index 3-Day Forecast: 5, 9, N/A.
SYNOPSIS OF TODAYS ACTIVITY
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of solar active regions and activity from 17/2100Z to
18/2100Z: solar activity has been at low levels for the past 24 hours.
The largest solar event of the period was a C2 event observed at
18/0207Z. There are currently 6 numbered sunspot regions on the disk.
Solar activity forecast: solar activity is expected to be low with
a chance for M-class flares on days one, two, and three (19 jun, 20 jun,
21 jun).
field has been at quiet levels for the past 24 hours. Solar wind speed,
as measured by the ace spacecraft, reached a peak speed of 344 km/s at
18/0841Z. Total imf reached 6 nt at 17/2106Z. The maximum southward
component of bz reached -5 nt at 18/1243Z. Electrons greater than 2 mev
at geosynchronous orbit reached a peak level of 427 pfu.
Geophysical activity forecast: the geomagnetic field is expected
to be at quiet levels on days one and two (19 jun, 20 jun) and quiet to
active levels on day three (21 jun).
Event probabilities 19 jun-21 jun
Class M 25/25/25
Class X 05/05/05
Proton 01/01/01
PCAF green
Geomagnetic activity probabilities 19 jun-21 jun
A. Middle Latitudes
Active 10/10/20
Minor Storm 01/01/05
Major-severe storm 01/01/01
B. High Latitudes
Active 15/15/15
Minor Storm 20/20/25
Major-severe storm 15/15/25
** End of Daily Report **