SIDC URSIGRAM 40408
SIDC SOLAR BULLETIN 08 Apr 2004, 1230UT
SIDC FORECAST (valid from 1230UT, 08 Apr 2004 until 10 Apr 2004)
SOLAR FLARES  : Eruptive (C-class flares expected, probability >= 50%)
GEOMAGNETISM  : Major geomagnetic storm expected (A>=50 or K>=6)
SOLAR PROTONS : NO FORECAST
PREDICTIONS FOR 08 Apr 2004  10CM FLUX: 095 / AP: 026
PREDICTIONS FOR 09 Apr 2004  10CM FLUX: 092 / AP: 039
PREDICTIONS FOR 10 Apr 2004  10CM FLUX: 089 / AP: 018
COMMENT: The arrival of the halo CME (first registered by the LASCO C2
coronagraph at 13:31 UT on April 6) is expected to produce a noticeable
geomagnetic disturbance on April 9.

SOLAR INDICES FOR 7 Apr 2004
SUNSPOT INDEX       : 072
10CM SOLAR FLUX     : 098
AK CHAMBON LA FORET : 023
AK WINGST           : 017
ESTIMATED AP        : 016

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