:Issued: 2010 May 19 1158 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 00519
SIDC SOLAR BULLETIN 19 May 2010, 1156UT
SIDC FORECAST (valid from 1230UT, 19 May 2010 until 21 May 2010)
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 May 2010  10CM FLUX: 070 / AP: 003
PREDICTIONS FOR 20 May 2010  10CM FLUX: 071 / AP: 019
PREDICTIONS FOR 21 May 2010  10CM FLUX: 070 / AP: 011
COMMENT: A co-rotating interaction region linked with a coronal hole
has arrived. The solar wind is more dense and has a stronger magnetic
field, up to 10 nT. The geomagnetic response is limited because of the
positive Bz component. We expect the arrival of the fast solar wind
emenating from the southern coronal hole tomorrow. Active conditions are
possible. Flaring conditions are quiet.



TODAY'S ESTIMATED ISN  : 000, BASED ON 13 STATIONS.

SOLAR INDICES FOR 18 May 2010
WOLF NUMBER CATANIA    : 000
10CM SOLAR FLUX        : 069
AK CHAMBON LA FORET    : 008
AK WINGST              : 008
ESTIMATED AP           : 006
ESTIMATED ISN          : 000, BASED ON 21 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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