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OK0NAG > SOLAR 19.12.17 13:33l 124 Lines 4276 Bytes #999 (0) @ EU
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Date: Tue, 19 Dec 2017 12:30:21 GMT
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From: ok0nag <ok0nag>
Subject: GEOALERT SIDC
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#--------------------------------------------------------------------#
# GEOALERT message from the SIDC (RWC-Belgium) #
#--------------------------------------------------------------------#
GEOALERT BRU353
UGEOA 30512 71219 1230/ 9930/
10192 20192 30192
99999
PLAIN
NOTE: the above forecasts are valid from 1230UT, 19 Dec 2017 until 21 Dec
2017
PREDICTIONS FOR 19 Dec 2017 10CM FLUX: 071 / AP: 001
PREDICTIONS FOR 20 Dec 2017 10CM FLUX: 071 / AP: 017
PREDICTIONS FOR 21 Dec 2017 10CM FLUX: 072 / AP: 015
COMMENT: Very quiet Solar conditions were reported.
A small unipolar sunspot (numbered Catania group 67) has rotated on disk
in
the North-East and seems to be in a growing phase. It is the only region
on
disk.
X-ray flux is expected to remain below C level.
No earth directed CMEs have been observed in coronagraph data.
Solar Proton flux levels are at background values and are expected to
remain so.
The declining phase of the current high speed stream set in late in the
afternoon December 18 with speeds declining from around 640 km/s to just
over 500 km/s now. Total magnetic field was between 3 and 8nT with Bz
mostly positive.
Solar wind speed is expected to further decline over the next 24 hours.
A
disturbance of the Solar wind conditions could occur tomorrow before noon
due to the possible influence of the December 15 CME. Later there may be
a
minor influence of the elongated equatorial coronal hole that started
transiting the central meridian yesterday. However, the coronal hole seems
to be breaking up and it is uncertain whether the leading portion will
have
any effect at Earth.
Geomagnetic conditions were quiet to unsettled (both local K Dourbes and
NOAA Kp 1-3) and are expected to remain so. An active period related to
the
possible CME arrival can however not be excluded.
TODAY'S ESTIMATED ISN : 007, BASED ON 16 STATIONS.
99999
UGEOI 30512 71219 1230/ 18///
10000 20720 3016/ 4//// 80000 90000
99999
NOTICEABLE EVENTS SUMMARY
DAY BEGIN MAX END LOC XRAY OP 10CM Catania/NOAA RADIO_BURST_TYPES
NONE
END
UGEOR 30512 71219 1230/ 19/07 19101
10067 2//// 3//// 410// 50010 60001 16419 00000
99999
USSPS 31405 19076 01142 67001 16419 0/101
UMAGF 30503 71219 1004/ 18062 1/016 23332 32111
UMAGF 31523 71219 0000/ 18000 1/016 24333 33332
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