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OK0NAG > SOLAR 01.12.17 14:32l 128 Lines 4313 Bytes #999 (0) @ EU
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Subj: GEOALERT SIDC
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From: ok0nag <ok0nag>
Subject: GEOALERT SIDC
Date: Fri, 1 Dec 2017 12:30:16 GMT
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:Issued: 2017 Dec 01 1230 UTC
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#--------------------------------------------------------------------#
# GEOALERT message from the SIDC (RWC-Belgium) #
#--------------------------------------------------------------------#
GEOALERT BRU335
UGEOA 30512 71201 1230/ 9930/
10012 20012 30012
99999
PLAIN
NOTE: the above forecasts are valid from 1230UT, 01 Dec 2017 until 03 Dec
2017
PREDICTIONS FOR 01 Dec 2017 10CM FLUX: 071 / AP: 005
PREDICTIONS FOR 02 Dec 2017 10CM FLUX: 070 / AP: 005
PREDICTIONS FOR 03 Dec 2017 10CM FLUX: 069 / AP: 005
COMMENT: Solar activity was at very low levels. Sunspot region NOAA 2689
has become nearly spotless and will rotate over the NW limb later today.
It
produced a small B1 flare around 14UT (PROBA2/LYRA), and its group filament
erupted between 01:30UT and 03:00UT. The 40 degrees long filament rounded
the SW limb quietly. 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.
Earth remained under the influence of the wind stream from the southern
polar coronal hole (CH) extension. Solar wind speed peaked briefly near
540
km/s around 02UT, and ended the period with values near 470 km/s. Bz
oscillated mostly between +5 nT and -6 nT. The interplanetary magnetic
field was mostly directed towards the Sun. The extension of a positive
northern polar CH has started transiting the central meridian.
The geomagnetic field was quiet to unsettled throughout the period, and
is
expected to remain so. The high speed stream from the northern polar
coronal hole (CH) extension is expected to affect the earth environment
starting most likely 04 December. This may result in minor to moderate
geomagnetic storming.
TODAY'S ESTIMATED ISN : 000, BASED ON 08 STATIONS.
99999
UGEOI 30512 71201 1230/ 30///
1//// 20720 3012/ 4//// 8//// 9////
99999
NOTICEABLE EVENTS SUMMARY
DAY BEGIN MAX END LOC XRAY OP 10CM Catania/NOAA RADIO_BURST_TYPES
NONE
END
UGEOR 30512 71201 1230/ 28/08 01101
10065 2//// 3//// 4321/ 50040 60006 43913 00000
99999
USSPS 32404 29073 01232 84002 45514 2/802
USSPS 21305 29161 01332 86002 45913 3/803
USSPS 81202 30005 01132 81004 46413 1/801
UMAGF 30503 71201 1004/ 30061 1/015 21223 32312
UMAGF 31523 71201 0000/ 30002 1/012 22412 32423
#--------------------------------------------------------------------#
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