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OK0NAG > SOLAR 23.10.17 14:31l 133 Lines 4557 Bytes #999 (0) @ EU
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Subj: GEOALERT SIDC
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Date: Mon, 23 Oct 2017 12:30:22 GMT
From: ok0nag <ok0nag>
Subject: GEOALERT SIDC
To: solar@eu
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:Issued: 2017 Oct 23 1230 UTC
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#--------------------------------------------------------------------#
# GEOALERT message from the SIDC (RWC-Belgium) #
#--------------------------------------------------------------------#
GEOALERT BRU296
UGEOA 30512 71023 1230/ 9930/
10232 21232 30232
99999
PLAIN
NOTE: the above forecasts are valid from 1230UT, 23 Oct 2017 until 25 Oct
2017
PREDICTIONS FOR 23 Oct 2017 10CM FLUX: 077 / AP: 009
PREDICTIONS FOR 24 Oct 2017 10CM FLUX: 079 / AP: 037
PREDICTIONS FOR 25 Oct 2017 10CM FLUX: 080 / AP: 046
COMMENT: Solar activity was very low with only a single B2.2 flare peaking
at 12:41 UT from a new region rotating around the East limb in the Northern
hemisphere. The region is now numbered Catania group 61 or NOAA region
2686.
Although there is a chance for C flares and even a slight chance for an
M
flare from both regions on disk, the general outlook is that flaring will
remain below C level.
Proton flux levels were at background values and are expected to remain
so.
No Earth directed CME's were recorded in coronagraph data.
Solar wind speed declined slightly from around 430 km/s to around 380 km/s.
Total magnetic field was below 6nT with Bz variable and not below -4nT.
The
magnetic field phi angle indicated connection to a negative sector.
Solar wind is expected to see transition into a positive polarity sector
later today and which is then followed by the influence of the high speed
stream from the equatorial extension of the northern polar positive
polarity coronal hole that started transiting the central meridian around
noon October 20.
Geomagnetic conditions were quiet to unsettled (both local K Dourbes and
NOAA Kp 1-3).
Geomagnetic conditions are expected to increase under the influence of
the
upcoming high speed stream. Associated geomagnetic activity is expected
to
remain limited to possible periods of minor geomagnetic storming over the
next days.
TODAY'S ESTIMATED ISN : 023, BASED ON 14 STATIONS.
99999
UGEOI 30512 71023 1230/ 22///
1//// 20770 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 71023 1230/ 23/07 23102
10060 2//// 3//// 472// 50040 60002 25209 02000
10061 2//// 3//// 471// 50020 60002 17814 02000
99999
USSPS 31405 23078 02432 60004 25209 2/902 61002 17814 1/902
USSPS 81202 22013 01132 76006 27208 2/801
USSPS 32404 21069 01132 81003 28510 2/801
USSPS 21305 21170 01142 81006 27811 2/801
UMAGF 30503 71023 1004/ 22060 1/009 21111 32221
UMAGF 31523 71023 0000/ 22000 1/006 23212 31122
#--------------------------------------------------------------------#
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