SIDC URSIGRAM 40428
SIDC SOLAR BULLETIN 28 Apr 2004, 1240UT
SIDC FORECAST (valid from 1230UT, 28 Apr 2004 until 30 Apr 2004)
SOLAR FLARES  : Quiet conditions (<50% probability of C-class flares)
GEOMAGNETISM  : Active conditions expected (A>=20 or K=4)
SOLAR PROTONS : Quiet
PREDICTIONS FOR 28 Apr 2004  10CM FLUX: 093 / AP: 007
PREDICTIONS FOR 29 Apr 2004  10CM FLUX: 093 / AP: 014
PREDICTIONS FOR 30 Apr 2004  10CM FLUX: 090 / AP: 024
COMMENT: The arrival of a possible CME associated with the C3 flare of Apr 27
is foreseen for tomorrow (Apr 29) late in the UT day. If a disturbance indeed
arrives, we expect active geomagnetic conditions with a chance for a minor
geomagnetic storm.

SOLAR INDICES FOR 27 Apr 2004
SUNSPOT INDEX       : 033
10CM SOLAR FLUX     : 095
AK CHAMBON LA FORET : 010
AK WINGST           : 007
ESTIMATED AP        : 005

NOTICEABLE EVENTS SUMMARY
DAY BEGIN MAX  END  LOC   XRAY OP 10CM     TYPE          Catania NOAA NOTE
NONE
END
BT