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Date: Tue, 9 Jan 2018 12:59:58 GMT
Subject: GEOALERT SIDC
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:Issued: 2018 Jan 09 1259 UTC
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#--------------------------------------------------------------------#

# GEOALERT message from the SIDC (RWC-Belgium)                       #

#--------------------------------------------------------------------#

GEOALERT BRU009
UGEOA 30512 80109 1259/ 9930/ 
10092 20092 30092 
99999
PLAIN
NOTE: the above forecasts are valid from 1230UT, 09 Jan 2018 until 11 Jan 
2018
PREDICTIONS FOR 09 Jan 2018  10CM FLUX: 070 / AP: 010
PREDICTIONS FOR 10 Jan 2018  10CM FLUX: 069 / AP: 007
PREDICTIONS FOR 11 Jan 2018  10CM FLUX: 068 / AP: 008
COMMENT: The only active region on the visible side of the Sun is NOAA 
AR
2694 which presently has beta configuration of its photospheric magnetic

field. There were no C-class or even B-class flares reported during last 
24
hours and we expect such a low flaring activity to persist in the coming

hours.
There were no Earth directed CMEs observed during last 24 hours, and the

solar protons are at background level.
The Earth is presently inside the fast solar wind (about 520 km/s)
associated with the low latitude extension of the northern polar coronal

hole which reached central meridian late on the January 04. The
interplanetary magnetic field magnitude has decreased and it now amounts

about 5 nT.
The equatorial coronal hole (between N05 and N30) has reached central
meridian this morning. The associated fast solar wind might be expected 
at
the Earth late on January 12.
Due to the longer interval of the negative value of the Bz component of 
the
interplanetary magnetic field and the fast solar wind, disturbed
geomagnetic conditions were reported yesterday afternoon (Dourbes reported

K=4) and this morning (NOAA reported Kp=4).
The geomagnetic conditions are presently quiet and we expect quiet to
unsettled geomagnetic conditions in the coming hours.

TODAY'S ESTIMATED ISN  : 014, BASED ON 04 STATIONS.
99999
UGEOI 30512 80109 1259/ 08/// 
1//// 20700 3009/ 4//// 8//// 9//// 
99999

NOTICEABLE EVENTS SUMMARY
DAY BEGIN MAX  END  LOC    XRAY OP  10CM Catania/NOAA RADIO_BURST_TYPES 

NONE
END

UGEOR 30512 80109 1259/ ///// ///// 
99999
UMAGF 30503 80109 1004/ 08061 1/021 22233 32242
UMAGF 31523 80109 0000/ 08004 1/009 20121 34322

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