:Issued: 2010 Oct 26 1259 UTC
:Product: documentation at http://www.sidc.be/products/meu
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# DAILY BULLETIN ON SOLAR AND GEOMAGNETIC ACTIVITY from the SIDC     #
# (RWC Belgium)                                                      #
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SIDC URSIGRAM 01026
SIDC SOLAR BULLETIN 26 Oct 2010, 1248UT
SIDC FORECAST (valid from 1230UT, 26 Oct 2010 until 28 Oct 2010)
SOLAR FLARES  : Eruptive (C-class flares expected, probability >= 50%)
GEOMAGNETISM  : Quiet (A<20 and K<4)
SOLAR PROTONS : Quiet
PREDICTIONS FOR 26 Oct 2010  10CM FLUX: 086 / AP: 008
PREDICTIONS FOR 27 Oct 2010  10CM FLUX: 086 / AP: 007
PREDICTIONS FOR 28 Oct 2010  10CM FLUX: 086 / AP: 007
COMMENT: NOAA AR 1117 has produced two C-class flares in the last 24
hours (a C1.1 flare peaking at 01:13 UT on Oct 26, and a C2.3 flare
peaking at 22:06 UT on Oct 25). A third C1.0 flare with maximum at 08:14
UT was associated to NOAA AR 1119. C-class flares can be expected from
these two active regions (NOAA AR 1115 has small chances of
participating in the flare production) and AR 1117 could reach the
M-class level. A CME related to a prominence eruption was detected early
on Oct 25 (during a LASCO data gap), the bulk of the CME was travelling
to the east and should not produce consequences at the Earth. The solar
wind speed is still high at ACE, unsettled conditions are expected today
and quiet starting tomorrow.

TODAY'S ESTIMATED ISN  : 042, BASED ON 08 STATIONS.

SOLAR INDICES FOR 25 Oct 2010
WOLF NUMBER CATANIA    : 079
10CM SOLAR FLUX        : 086
AK CHAMBON LA FORET    : 016
AK WINGST              : 010
ESTIMATED AP           : 008
ESTIMATED ISN          : 042, BASED ON 23 STATIONS.

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