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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
---------------------------------------------------------

      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
---------------------------

             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  **