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From: oler@rho.uleth.ca (Cary Oler)
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Subject: Daily Summary of Solar Geophysical Activity for 24 July
To: solar-daily@lut.fi
Date: Sat, 31 Jul 93 19:19:56 MDT
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                 DAILY SUMMARY OF SOLAR GEOPHYSICAL ACTIVITY

                                  24 JULY, 1993

                /\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\

                  (Based In-Part On SESC Observational Data)


SOLAR AND GEOPHYSICAL ACTIVITY INDICES FOR 24 JULY, 1993
--------------------------------------------------------

!!BEGIN!! (1.0) S.T.D. Solar Geophysical Data Broadcast for DAY 205, 07/24/93
10.7 FLUX=106.4  90-AVG=108        SSN=092      BKI=1102 0101  BAI=002
BGND-XRAY=B1.6     FLU1=9.3E+05  FLU10=1.1E+04  PKI=1112 1221  PAI=005
  BOU-DEV=008,005,004,010,004,008,004,006   DEV-AVG=006 NT     SWF=00:000
 XRAY-MAX= B5.6   @ 0123UT    XRAY-MIN= B1.4   @ 2359UT   XRAY-AVG= B1.8
NEUTN-MAX= +003%  @ 2315UT   NEUTN-MIN= -001%  @ 2215UT  NEUTN-AVG= +0.6%
  PCA-MAX= +0.2DB @ 1550UT     PCA-MIN= -0.2DB @ 0140UT    PCA-AVG= +0.0DB
BOUTF-MAX=55374NT @ 1343UT   BOUTF-MIN=55343NT @ 1722UT  BOUTF-AVG=55364NT
GOES7-MAX=P:+000NT@ 0000UT   GOES7-MIN=N:+000NT@ 0000UT  G7-AVG=+077,+000,+000
GOES6-MAX=P:+121NT@ 1658UT   GOES6-MIN=N:-059NT@ 2041UT  G6-AVG=+100,-016,-041
 FLUXFCST=STD:095,090,100;SESC:095,090,100 BAI/PAI-FCST=005,010,010/007,010,010
    KFCST=2222 2222 2333 3222  27DAY-AP=007,006   27DAY-KP=2122 2221 2112 2232
 WARNINGS=
   ALERTS=
!!END-DATA!!

NOTE: The Effective Sunspot Number for 23 JUL 93 was  75.0.
      The Full Kp Indices for 23 JUL 93 are: 3- 2+ 2+ 1+   2+ 1o 1o 2- 


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

             Solar activity was low. Region 7548 (S11W28) produced a
       C1/1N flare at 23/2151Z. Minor discrete frequency radio bursts
       accompanied the flare. No remarkable growth or decay was noted
       in any of the visible regions. No new regions were assigned.

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

            The geomagnetic field has been at quiet levels for the past
       24 hours.

            Geophysical activity forecast:  the geomagnetic field is
       expected to be at quiet to unsettled levels.

            Event probabilities 25 jul-27 jul

                             Class M    05/05/05
                             Class X    01/01/01
                             Proton     01/01/01
                             PCAF       Green

            Geomagnetic activity probabilities 25 jul-27 jul

                        A.  Middle Latitudes
                        Active                10/10/10
                        Minor Storm           05/05/05
                        Major-Severe Storm    01/01/01

                        B.  High Latitudes
                        Active                10/10/10
                        Minor Storm           05/05/05
                        Major-Severe Storm    01/01/01

            HF propagation conditions were normal over all regions and
       should continue normal throughout the next three days.


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

REGIONS WITH SUNSPOTS. LOCATIONS VALID AT 24/2400Z JULY
-------------------------------------------------------
NMBR LOCATION  LO  AREA  Z   LL   NN MAG TYPE
7547  N09W43  121  0030 HSX  01  003 ALPHA
7548  S11W28  106  0160 HSX  02  002 ALPHA
7550  S20W24  102  0050 DAO  06  008 BETA
7551  S09W03  081  0050 DAO  09  011 BETA
7552  N14E55  023  0100 CAO  06  004 BETA
7553  S13E45  033  0010 BXO  04  004 BETA
REGIONS DUE TO RETURN 25 JULY TO 27 JULY
NMBR LAT    LO
NONE


LISTING OF SOLAR ENERGETIC EVENTS FOR 24 JULY, 1993
---------------------------------------------------
BEGIN  MAX  END  RGN   LOC   XRAY  OP 245MHZ 10CM   SWEEP
NONE


POSSIBLE CORONAL MASS EJECTION EVENTS FOR 24 JULY, 1993
-------------------------------------------------------
 BEGIN        MAX      END     LOCATION   TYPE   SIZE  DUR  II IV
     NO EVENTS OBSERVED


INFERRED CORONAL HOLES. LOCATIONS VALID AT 24/2400Z
---------------------------------------------------
               ISOLATED HOLES AND POLAR EXTENSIONS
      EAST   SOUTH  WEST   NORTH  CAR  TYPE  POL  AREA   OBSN
21   S13W59 S28W72 S10W90 S10W90  157  ISO   POS   010 10830A
23   S46E86 S52E22 S23E02 S16E07  049  EXT   NEG   030 10830A


**  End of Daily Report  **


