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OK0NAG > SOLAR 02.12.17 14:52l 122 Lines 4085 Bytes #999 (0) @ EU
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Subj: GEOALERT SIDC
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From: ok0nag <ok0nag>
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To: solar@eu
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Date: Sat, 2 Dec 2017 12:30:14 GMT
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Subject: GEOALERT SIDC
:Issued: 2017 Dec 02 1230 UTC
:Product: documentation at http://www.sidc.be/products/xut
#--------------------------------------------------------------------#
# GEOALERT message from the SIDC (RWC-Belgium) #
#--------------------------------------------------------------------#
GEOALERT BRU336
UGEOA 30512 71202 1230/ 9930/
10022 20022 30022
99999
PLAIN
NOTE: the above forecasts are valid from 1230UT, 02 Dec 2017 until 04 Dec
2017
PREDICTIONS FOR 02 Dec 2017 10CM FLUX: 070 / AP: 002
PREDICTIONS FOR 03 Dec 2017 10CM FLUX: 069 / AP: 007
PREDICTIONS FOR 04 Dec 2017 10CM FLUX: 069 / AP: 034
COMMENT: Solar activity was at very low levels. Active region NOAA 2689
rotated over the NW limb and left the solar disk spotless. The region
produced a B1 flare at 14:10UT. 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.
Solar wind speed decreased from initial values near 460 km/s to values
around 410 km/s by the end of the period. Bz varied between +5 nT and -5
nT. The interplanetary magnetic field was mostly directed towards the Sun.
The extension of a positive northern polar CH is transiting the central
meridian.
The geomagnetic activity was at unsettled to quiet levels. Quiet
geomagnetic conditions are expected to continue until the arrival of the
high speed stream from the northern polar coronal hole (CH) extension and
its associated preceding co-rotating interaction region. Based on
observations from the previous solar rotation and from STEREO-A, the earth
environment may be affected starting late on 03 December or on 04 December,
with minor to moderate geomagnetic storming possible.
TODAY'S ESTIMATED ISN : 000, BASED ON 05 STATIONS.
99999
UGEOI 30512 71202 1230/ 01///
1//// 20700 3010/ 4//// 8//// 9////
99999
NOTICEABLE EVENTS SUMMARY
DAY BEGIN MAX END LOC XRAY OP 10CM Catania/NOAA RADIO_BURST_TYPES
NONE
END
UGEOR 30512 71202 1230/ ///// /////
99999
USSPS 21305 30184 01142 86001 47613 0/101
UMAGF 30503 71202 1004/ 01062 1/011 21113 33110
UMAGF 31523 71202 0000/ 01008 1/010 22222 32341
#--------------------------------------------------------------------#
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