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OK0NAG > SOLAR 21.12.17 13:51l 122 Lines 4252 Bytes #999 (0) @ EU
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Date: Thu, 21 Dec 2017 12:31:01 GMT
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Subject: GEOALERT SIDC
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:Issued: 2017 Dec 21 1230 UTC
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#--------------------------------------------------------------------#
# GEOALERT message from the SIDC (RWC-Belgium) #
#--------------------------------------------------------------------#
GEOALERT BRU355
UGEOA 30512 71221 1230/ 9930/
10212 20212 30212
99999
PLAIN
NOTE: the above forecasts are valid from 1230UT, 21 Dec 2017 until 23 Dec
2017
PREDICTIONS FOR 21 Dec 2017 10CM FLUX: 075 / AP: 005
PREDICTIONS FOR 22 Dec 2017 10CM FLUX: 076 / AP: 007
PREDICTIONS FOR 23 Dec 2017 10CM FLUX: 077 / AP: 032
COMMENT: A couple of low level B flares were recorded from Catania group
67
(NOAA region 2692) which has become a bipolar region and has shown clear
growth and development of its magnetic complexity.
Chances for possible C flaring have hence increased but are still low.
No Earth directed CMEs have been observed in coronagraph data.
Proton flux values are at background levels and are expected to remain
so.
Solar wind was nominal with solar wind speed decreasing from near 450 km/s
to around 400 km/s and total magnetic field in the 3-4nT range.
Solar wind conditions may increase slightly. However, the leading part
of
the previously elongated coronal hole, that now seems to have become
detachedv is not expected to result in any significant high speed stream
effects. The more significant high speed stream influence from the trailing
part of that previously elongated coronal hole is expected to increase
Solar wind conditions from around noon December 23.
Geomagnetic conditions were quiet (both local K Dourbes and NOAA Kp 0-2).
They are expected to remain at quiet to unsettled levels but increasing
towards noon December 23 when active periods and possibly minor storms
become possible under the influence of the anticipated high speed stream.
TODAY'S ESTIMATED ISN : 020, BASED ON 07 STATIONS.
99999
UGEOI 30512 71221 1230/ 20///
1//// 2074/ 3006/ 4//// 8//// 9////
99999
NOTICEABLE EVENTS SUMMARY
DAY BEGIN MAX END LOC XRAY OP 10CM Catania/NOAA RADIO_BURST_TYPES
NONE
END
UGEOR 30512 71221 1230/ 19/07 21101
10067 2//// 3//// 410// 50010 60001 16419 02000
99999
USSPS 21305 19173 02232 89001 16019 0/101 90001 13915 0/101
UMAGF 30503 71221 1004/ 20065 1/008 21111 33000
UMAGF 31523 71221 0000/ 20008 1/006 22112 31230
#--------------------------------------------------------------------#
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