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OK0NAG > SOLAR 12.11.17 14:49l 128 Lines 4302 Bytes #999 (0) @ EU
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Subj: GEOALERT SIDC
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Subject: GEOALERT SIDC
From: ok0nag <ok0nag>
To: solar@eu
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Date: Sun, 12 Nov 2017 12:30:45 GMT
:Issued: 2017 Nov 12 1230 UTC
:Product: documentation at http://www.sidc.be/products/xut
#--------------------------------------------------------------------#
# GEOALERT message from the SIDC (RWC-Belgium) #
#--------------------------------------------------------------------#
GEOALERT BRU316
UGEOA 30512 71112 1230/ 9930/
10122 20122 30122
99999
PLAIN
NOTE: the above forecasts are valid from 1230UT, 12 Nov 2017 until 14 Nov
2017
PREDICTIONS FOR 12 Nov 2017 10CM FLUX: 070 / AP: 006
PREDICTIONS FOR 13 Nov 2017 10CM FLUX: 070 / AP: 006
PREDICTIONS FOR 14 Nov 2017 10CM FLUX: 070 / AP: 006
COMMENT: The visible solar disc was spotless and no flares have been
recorded in past 24-hour. The solar activity is expected to remain quiet
with the X-ray flux below C level.
No Earth directed Coronal Mass Ejection have been observed. Several
filaments are visible on the disk, which prevent us to initiate the all
quiet alert as it cannot be excluded that one filament erupt with some
Earth-directed components.
The solar protons flux remained at background levels over the past 24 hours
and is expected to remain so.
The Earth is now in the slow flow of the solar wind that as globally
decreased from 530 km/s to the current value of 470 km/s. The declining
trend of the solar wind parameter is expected to continue until it reaches
about 350 km/s. The interplanetary magnetic field magnitude remained below
6 nT and the Bz component fluctuated between -4 and 4 nT. The solar wind
parameters are expected to remain at the nominal level for the next 3 days.
A narrow northern polar coronal hole extension down to latitude 10-degree
North was facing Earth yesterday afternoon on Nov 11. The associated high
speed stream is not expected to reach Earth before Nov 14.
As the fast solar wind has faded away, the geomagnetic conditions were
quiet (local K Dourbes 1-2, NOAA Kp 1-2) and are expected to remain quiet
until the high speed stream associated with the new coronal hole reaches
Earth in several days.
TODAY'S ESTIMATED ISN : 000, BASED ON 20 STATIONS.
99999
UGEOI 30512 71112 1230/ 11///
1//// 20670 3008/ 4//// 8//// 9////
99999
NOTICEABLE EVENTS SUMMARY
DAY BEGIN MAX END LOC XRAY OP 10CM Catania/NOAA RADIO_BURST_TYPES
NONE
END
UGEOR 30512 71112 1230/ ///// /////
99999
UMAGF 30503 71112 1004/ 11064 1/011 22221 31221
UMAGF 31523 71112 0000/ 11004 1/008 23222 32212
#--------------------------------------------------------------------#
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