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OK0NAG > SOLAR 22.09.17 13:37l 135 Lines 4660 Bytes #999 (0) @ EU
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Subject: GEOALERT SIDC
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To: solar@eu
From: ok0nag <ok0nag>
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Date: Fri, 22 Sep 2017 12:35:52 GMT
:Issued: 2017 Sep 22 1235 UTC
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#--------------------------------------------------------------------#
# GEOALERT message from the SIDC (RWC-Belgium) #
#--------------------------------------------------------------------#
GEOALERT BRU265
UGEOA 30512 70922 1235/ 9930/
11222 20222 30222
99999
PLAIN
NOTE: the above forecasts are valid from 1230UT, 22 Sep 2017 until 24 Sep
2017
PREDICTIONS FOR 22 Sep 2017 10CM FLUX: 067 / AP: 004
PREDICTIONS FOR 23 Sep 2017 10CM FLUX: 076 / AP: 016
PREDICTIONS FOR 24 Sep 2017 10CM FLUX: 079 / AP: 028
COMMENT: Over the past 24 hours the solar activity was very low: no flare
has been recorded. Catania sunspot groups 55 and 56 (NOAA active regions
2680 and 2681) are stable and are unlikely to produce any strong flaring
activity. Catania sunspot group 55 (NOAA active region 2680) will soon
turn
over the east solar limb. The top of the loops from the returning region
Catania sunspot group 46 (NOAA active region 2673), which was very active
in the previous rotation, will start to be seen at the west limb tomorrow,
on Sept 23. We expect the solar activity to remain low until the return
of
Catania sunspot group 46 (NOAA active region 2673). Then we expect the
activity to increase with C to M-class flare.
No Earth directed CMEs have been observed and the solar protons remained
at
background level over the past 24 hours.
The Earth remains inside a slow (about 400 Km/s) solar wind flow. The
interplanetary magnetic field magnitude remained below 6 nT and the Bz
component fluctuated between -4 and 4 nT. The associated fast solar wind
to
the small equatorial coronal hole that has crossed the central meridian
on
Sept 20 is expected to arrive at Earth on Sept 23 late afternoon.
Geomagnetic conditions were quiet to unsettled with Kp (NOAA) and local
K
(Dourbes) indexes ranging between 0-3 and 0-2 respectively. The geomagnetic
conditions are expected to remain quiet until Sept 23 when the fast solar
will reach Earth.
TODAY'S ESTIMATED ISN : 020, BASED ON 17 STATIONS.
99999
UGEOI 30512 70922 1235/ 21///
10023 20730 3006/ 4//// 80102 90070
99999
NOTICEABLE EVENTS SUMMARY
DAY BEGIN MAX END LOC XRAY OP 10CM Catania/NOAA RADIO_BURST_TYPES
NONE
END
UGEOR 30512 70922 1235/ 22/06 22102
10055 2//// 3//// 472// 50030 60001 48408 00000
10056 2//// 3//// 472// 50070 60001 25513 00000
99999
USSPS 31405 22066 02242 55003 48408 2/901 56007 25513 2/901
USSPS 32404 20072 02222 75007 45708 2/801 76000 42309 0/101
USSPS 21305 20150 02232 76006 27812 2/801 75007 46207 2/801
USSPS 81202 21018 02232 69009 46708 2/801 72012 27012 3/801
UMAGF 30503 70922 1004/ 21067 1/013 22221 32311
UMAGF 31523 70922 0000/ 21000 1/006 21122 32123
#--------------------------------------------------------------------#
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