:Issued: 2007 Apr 19 1247 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 70419
SIDC SOLAR BULLETIN 19 Apr 2007, 1238UT
SIDC FORECAST (valid from 1230UT, 19 Apr 2007 until 21 Apr 2007)
SOLAR FLARES  : Quiet conditions (<50% probability of C-class flares)
GEOMAGNETISM  : Active conditions expected (A>=20 or K=4)
SOLAR PROTONS : Quiet
PREDICTIONS FOR 19 Apr 2007  10CM FLUX: 069 / AP: 011
PREDICTIONS FOR 20 Apr 2007  10CM FLUX: 069 / AP: 021
PREDICTIONS FOR 21 Apr 2007  10CM FLUX: 069 / AP: 008
COMMENT: The geomagnetic field is currently quiet. However, the arrival
of a high-speed solar wind stream is expected within 24 hours. This
should induce unsettled to active geomagnetic conditions for one or two
days, with a possibility of a brief minor storm mainly at high latitudes.
The solar activity is very low and will remain so.

TODAY'S ESTIMATED ISN  : 000, BASED ON 11 STATIONS.

SOLAR INDICES FOR 18 Apr 2007
WOLF NUMBER CATANIA    : 000
10CM SOLAR FLUX        : 069
AK CHAMBON LA FORET    : 019
AK WINGST              : 012
ESTIMATED AP           : 011
ESTIMATED ISN          : 000, BASED ON 13 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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