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OK0NAG > SOLAR 08.10.17 13:34l 125 Lines 4232 Bytes #999 (0) @ EU
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Subj: GEOALERT SIDC
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Subject: GEOALERT SIDC
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Date: Sun, 8 Oct 2017 12:30:18 GMT
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#--------------------------------------------------------------------#
# GEOALERT message from the SIDC (RWC-Belgium) #
#--------------------------------------------------------------------#
GEOALERT BRU281
UGEOA 30512 71008 1230/ 9930/
10082 20082 30082
99999
PLAIN
NOTE: the above forecasts are valid from 1230UT, 08 Oct 2017 until 10 Oct
2017
PREDICTIONS FOR 08 Oct 2017 10CM FLUX: 077 / AP: 003
PREDICTIONS FOR 09 Oct 2017 10CM FLUX: 075 / AP: 003
PREDICTIONS FOR 10 Oct 2017 10CM FLUX: 074 / AP: 006
COMMENT: Solar activity was at very low levels. NOAA 2683 (Catania 57)
had
rotated over the west limb by the end of the period. It was the source
of a
B5 flare peaking on 08 October at 06:47UT. A small bipolar sunspot region
emerged near N15W35. No earth-directed coronal mass ejections (CMEs) were
observed in available coronagraphic imagery. The greater than 10 MeV proton
flux was at nominal levels.
Quiet flaring conditions are expected, with still a slight chance on an
isolated C-class flare.
Solar wind speed varied between 400 and 460 km/s (DSCOVR). Bz fluctuated
between -5 and +6 nT, being mostly positive after 04UT. The interplanetary
magnetic field was mostly directed towards the Sun. The extension of a
positive polar CH started its transit of the Central Meridian early on
07
October and may influence the earth environment around 10-11 October.
The geomagnetic field was at quiet levels, with unsettled levels reached
in
Dourbes at the end of the period. Mostly quiet geomagnetic conditions are
expected, with a chance on an isolated unsettled interval.
TODAY'S ESTIMATED ISN : 000, BASED ON 14 STATIONS.
99999
UGEOI 30512 71008 1230/ 07///
1//// 20800 3004/ 4//// 8//// 9////
99999
NOTICEABLE EVENTS SUMMARY
DAY BEGIN MAX END LOC XRAY OP 10CM Catania/NOAA RADIO_BURST_TYPES
NONE
END
UGEOR 30512 71008 1230/ 06/08 08102
10057 2//// 3//// 473// 50150 60005 46213 01000
99999
USSPS 32404 06063 02732 78012 37712 2/803 79080 46213 21304
USSPS 31405 06081 02632 56003 38212 2/901 57015 46213 3/905
USSPS 21305 06164 02742 77018 38411 2/801 78033 46613 51306
USSPS 81202 07015 01332 74014 47013 3/803
UMAGF 30503 71008 1004/ 07069 1/009 20111 32122
UMAGF 31523 71008 0000/ 07003 1/004 22101 31121
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