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OK0NAG > SOLAR 27.10.17 13:31l 127 Lines 4452 Bytes #999 (0) @ EU
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Date: Fri, 27 Oct 2017 12:30:14 GMT
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Subject: GEOALERT SIDC
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#--------------------------------------------------------------------#
# GEOALERT message from the SIDC (RWC-Belgium) #
#--------------------------------------------------------------------#
GEOALERT BRU300
UGEOA 30512 71027 1230/ 9930/
10272 20272 30272
99999
PLAIN
NOTE: the above forecasts are valid from 1230UT, 27 Oct 2017 until 29 Oct
2017
PREDICTIONS FOR 27 Oct 2017 10CM FLUX: 077 / AP: 007
PREDICTIONS FOR 28 Oct 2017 10CM FLUX: 077 / AP: 007
PREDICTIONS FOR 29 Oct 2017 10CM FLUX: 077 / AP: 007
COMMENT: Quiet solar conditions were reported with the X-ray flux seeing
only a low B1.8 class flare peaking at 00:44UT from Catania group 61 (NOAA
region 2686).
Both active regions on disk are relatively simple (Mag.Type: Alpha) and
small.
The X-ray flux is expected to 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 saw the decline of the coronal hole high speed stream influence,
with solar wind velocity dropping steadily from near 575 km/s at the start
of the period to around 450 km/s presently. At the start of the period
total magnetic field was around 6.5nT with a prolonged period of negative
values of the Bz component (-5nT). Afterwards total magnetic field was
at a
nominal 5nT level with a variable Bz. The magnetic field phi angle
indicated predominantly connection to a positive sector.
Solar wind conditions should continue to be at nominal levels.
Some active geomagnetic conditions were recorded at the start of the period
(both local K Dourbes and NOAA Kp 4) easing to quiet to unsettled
conditions for the remainder of the period (local K Dourbes 1-2 and NOAA
Kp
1-3).
Quiet to unsettled geomagnetic conditions are expected over the next days.
TODAY'S ESTIMATED ISN : 024, BASED ON 21 STATIONS.
99999
UGEOI 30512 71027 1230/ 26///
10024 20770 3020/ 4//// 80002 90060
99999
NOTICEABLE EVENTS SUMMARY
DAY BEGIN MAX END LOC XRAY OP 10CM Catania/NOAA RADIO_BURST_TYPES
NONE
END
UGEOR 30512 71027 1230/ 27/07 27102
10060 2//// 3//// 472// 50020 60002 20108 00000
10061 2//// 3//// 472// 50030 60002 12314 01000
99999
USSPS 31405 27075 02442 60002 20108 2/902 61003 12314 2/902
USSPS 21305 25152 02632 81003 22309 2/804 82002 14613 3/802
USSPS 81202 26008 02322 76004 21809 2/801 77005 14113 3/802
UMAGF 30503 71027 1004/ 26069 1/027 23234 34231
UMAGF 31523 71027 0000/ 26006 1/020 23233 34542
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