[Finalsolar] Daily Summary of Solar Geophysical Activity for 13 April

[Semi-finalized daily report of solar and geophysical activity.]

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                 DAILY SUMMARY OF SOLAR GEOPHYSICAL ACTIVITY

                                 13 APRIL, 2008

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                  (Based In-Part On SESC Observational Data)


SOLAR AND GEOPHYSICAL ACTIVITY INDICES FOR 13 APRIL, 2008
---------------------------------------------------------

NOTE: The greater than 2 MeV electron fluence was moderate today.

The background x-ray flux was below class A1.0 levels.
!!BEGIN!! (1.0) S.T.D. Solar Geophysical Data Broadcast for DAY 104, 04/13/08
10.7 FLUX=069.0  90-AVG=072        SSN=000      BKI=1223 2321  BAI=008
BGND-XRAY=A1.0     FLU1=*.*E+**  FLU10=*.*E+**  PKI=1212 2322  PAI=007
  BOU-DEV=***,***,***,***,***,***,***,***   DEV-AVG=*** NT     SWF=00:000
 XRAY-MAX= A1.0   @ 0000UT    XRAY-MIN= A1.0   @ 0000UT   XRAY-AVG= A1.0
NEUTN-MAX= +000%  @ 0000UT   NEUTN-MIN= +000%  @ 0000UT  NEUTN-AVG= +0.0%
  PCA-MAX= +0.0DB @ 0000UT     PCA-MIN= +0.0DB @ 0000UT    PCA-AVG= +0.0DB
BOUTF-MAX=00000NT @ 0000UT   BOUTF-MIN=00000NT @ 0000UT  BOUTF-AVG=00000NT
GOES9-MAX=N:+000NT@ 2359UT   GOES9-MIN=N:+000NT@ 2359UT  G9-AVG=+00,+00,+00
GOES8-MAX=N:+000NT@ 2359UT   GOES8-MIN=N:+000NT@ 2359UT  G8-AVG=+00,+00,+00
 FLUXFCST=STD:070,070,070;SESC:070,070,070 BAI/PAI-FCST=005,005,005/005,005,005
    KFCST=**** **** **** ****  27DAY-AP=004,008   27DAY-KP=2000 1221 3411 1101
 WARNINGS=
   ALERTS=
!!END-DATA!!

NOTE: The Effective Sunspot Number for 12 APR 08 is not available.
      The Full Kp Indices for 13 APR 08 are: 1+ 2o 1+ 2o   2o 3- 2+ 2o 
      The 3-Hr Ap Indices for 13 APR 08 are:   5   7   5   7   7  12   9   7 
      Greater than 2 MeV Electron Fluence for 13 APR is: 3.6E+08
      DRAO 10.7 cm Solar Flux at 18Z, 20Z, 22Z: N/A, N/A, N/A sfu.


SYNOPSIS OF ACTIVITY
--------------------

             Solar activity was very low.

            Solar activity forecast:  solar activity is expected to be very
       low.

            The geomagnetic field was quiet to unsettled.  Solar wind velocity
       remains elevated in the 550 - 600 km/sec range.  The greater than 2
       mev electron flux at geosynchronous orbit reached high levels again
       today.

            Geophysical activity forecast:  the geomagnetic field is
       expected to be quiet at mid-latitudes for the forecast period, 14-16
       april.  Isolated active to minor storm conditions at high-latitudes
       remains a possibility due to the elevated solar wind velocity.

            Event probabilities 14 apr-16 apr

                             Class M    01/01/01
                             Class X    01/01/01
                             Proton     01/01/01
                             PCAF       Green

            Geomagnetic activity probabilities 14 apr-16 apr

                        A.  Middle Latitudes
                        Active                15/15/15
                        Minor storm           05/05/05
                        Major-severe storm    01/01/01

                        B.  High Latitudes
                        Active                25/25/20
                        Minor storm           15/15/10
                        Major-severe storm    01/01/01


COPIES OF JOINT USAF/NOAA SEC SOLAR GEOPHYSICAL REPORTS
=======================================================

 Regions with Sunspots.  Locations Valid at 13/2400Z 
-----------------------------------------------------
Nmbr Location  Lo  Area  Z   LL   NN Mag Type
None
Regions Due to Return 14 Apr to 16 Apr
Nmbr Lat    Lo
0987 S07    261


LISTING OF SOLAR ENERGETIC EVENTS FOR 13 APRIL, 2008
----------------------------------------------------
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
None


**  End of Daily Report  **