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OK0NAG > SOLAR 18.11.17 15:09l 122 Lines 4218 Bytes #999 (0) @ EU
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Date: Sat, 18 Nov 2017 12:30:17 GMT
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#--------------------------------------------------------------------#
# GEOALERT message from the SIDC (RWC-Belgium) #
#--------------------------------------------------------------------#
GEOALERT BRU322
UGEOA 30512 71118 1230/ 9930/
10182 20182 30182
99999
PLAIN
NOTE: the above forecasts are valid from 1230UT, 18 Nov 2017 until 20 Nov
2017
PREDICTIONS FOR 18 Nov 2017 10CM FLUX: 076 / AP: 009
PREDICTIONS FOR 19 Nov 2017 10CM FLUX: 077 / AP: 014
PREDICTIONS FOR 20 Nov 2017 10CM FLUX: 076 / AP: 013
COMMENT: There are presently 2 numbered sunspot groups on the visible side
of the solar disc, Catania sunspot group 63 (NOAA AR 2687) and group 64
(NOAA AR 2688). Solar flaring activity remains to be low without C-class
flares reported. We expect such a low flaring activity to persist, isolated
low C-class flares are possible but not very probable (probability of only
about 10%). There were no Earth directed CMEs reported, and the solar
protons remained at background level.
The solar wind speed is presently about 410 km/s and the interplanetary
magnetic field magnitude is about 4 nT.
The fast solar wind associated with the large equatorial coronal hole
(reached central meridian in the early morning of November 16) is expected
to arrive at the Earth in the afternoon of November 19.
The arrival of this fast flow might be preceded with the solar wind speed
increase expected to start later today (associated with the low latitude
extension of the southern polar coronal hole which reached central meridian
in the late evening of November 13).
The geomagnetic conditions are presently quiet, we expect unsettled to
active geomagnetic conditions tomorrow due to the arrival of the fast solar
wind.
TODAY'S ESTIMATED ISN : 015, BASED ON 12 STATIONS.
99999
UGEOI 30512 71118 1230/ 17///
10031 20760 3004/ 4//// 80102 90070
99999
NOTICEABLE EVENTS SUMMARY
DAY BEGIN MAX END LOC XRAY OP 10CM Catania/NOAA RADIO_BURST_TYPES
NONE
END
UGEOR 30512 71118 1230/ ///// /////
99999
USSPS 32404 16082 01522 83009 24908 31305
USSPS 31405 16081 01932 63007 24806 22309
USSPS 21305 16153 01522 84008 24508 31305
UMAGF 30503 71118 1004/ 17068 1/008 21211 31121
UMAGF 31523 71118 0000/ 17003 1/004 21112 32011
#--------------------------------------------------------------------#
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