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OK0NAG > SOLAR 26.02.18 16:52l 116 Lines 3961 Bytes #999 (0) @ EU
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Subj: GEOALERT SIDC
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Date: Mon, 26 Feb 2018 12:30:17 GMT
Subject: GEOALERT SIDC
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#--------------------------------------------------------------------#
# GEOALERT message from the SIDC (RWC-Belgium) #
#--------------------------------------------------------------------#
GEOALERT BRU057
UGEOA 30512 80226 1230/ 9930/
10262 20262 30262
99999
PLAIN
NOTE: the above forecasts are valid from 1230UT, 26 Feb 2018 until 28 Feb
2018
PREDICTIONS FOR 26 Feb 2018 10CM FLUX: 069 / AP: 008
PREDICTIONS FOR 27 Feb 2018 10CM FLUX: 070 / AP: 011
PREDICTIONS FOR 28 Feb 2018 10CM FLUX: 071 / AP: 006
COMMENT: There are presently no numbered sunspot regions on the visible
side of the solar disk. Accordingly, solar activity is extremely low (last
B-class flare was reported about a week ago). We expect such a low activity
to persist in the coming days.
Coronagraph images do not show signatures of the Earth directed CMEs, and
the solar protons remained at the background level.
The solar wind speed is presently about 430 km/s and the interplanetary
magnetic field magnitude is 5 nT. In the coming hours we might expect some
increase of the solar wind speed, associated with the equatorial coronal
hole (possibly connected to the southern polar coronal hole) which reached
central meridian in the late evening of February 22.
Rather small and patchy equatorial coronal hole reached central meridian
this morning. The associated increase of the solar wind speed might be
expected in the morning of March 02.
The geomagnetic conditions are presently quiet and we expect quiet to
unsettled geomagnetic conditions in the coming hours.
TODAY'S ESTIMATED ISN : 016, BASED ON 19 STATIONS.
99999
UGEOI 30512 80226 1230/ 25///
1//// 20670 3006/ 4//// 8//// 9////
99999
NOTICEABLE EVENTS SUMMARY
DAY BEGIN MAX END LOC XRAY OP 10CM Catania/NOAA RADIO_BURST_TYPES
NONE
END
UGEOR 30512 80226 1230/ ///// /////
99999
USSPS 31405 26083 01632 73002 40305 01206
UMAGF 30503 80226 1004/ 25063 1/011 21013 32221
UMAGF 31523 80226 0000/ 25007 1/006 21010 31332
#--------------------------------------------------------------------#
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