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OK0NAG > SOLAR 21.11.17 15:17l 118 Lines 4094 Bytes #999 (0) @ EU
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Subj: GEOALERT SIDC
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Subject: GEOALERT SIDC
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Date: Tue, 21 Nov 2017 13:07:51 GMT
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From: ok0nag <ok0nag>
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To: solar@eu
:Issued: 2017 Nov 21 1307 UTC
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#--------------------------------------------------------------------#
# GEOALERT message from the SIDC (RWC-Belgium) #
#--------------------------------------------------------------------#
GEOALERT BRU325
UGEOA 30512 71121 1307/ 9930/
10212 21212 30212
99999
PLAIN
NOTE: the above forecasts are valid from 1230UT, 21 Nov 2017 until 23 Nov
2017
PREDICTIONS FOR 21 Nov 2017 10CM FLUX: 074 / AP: 032
PREDICTIONS FOR 22 Nov 2017 10CM FLUX: 075 / AP: 015
PREDICTIONS FOR 23 Nov 2017 10CM FLUX: 074 / AP: 011
COMMENT: Over the past 24 hours solar activity has been quiet. No
significant flares have been recorded. All Active Regions (AR) have shown
low levels of activity. No Earth directed Coronal Mass Ejections (CMEs)
have been detected. The greater than 10MeV proton flux remained at
background levels over the past 24 hours. Solar activity is expected to
remain low over the next 24 hours with a low probability of C-class flares.
The solar wind speed been increasing from 300 and 600 km/s over the past
24
hours. The total magnetic field strength has fluctuated between 4 nT and
14
nT. The Bz component has fluctuated between positive and negative,
fluctuating between -13 and +14 nT. Geomagnetic conditions ranged between
Kp index 1-4 (NOAA) and local K index 1-4 (Dourbes) over the past 24 hours.
A positive polar coronal hole is currently positioned in the Western
hemisphere of the Sun and the resulting high-speed stream (HSS) has
enhanced solar wind speeds and as a consequence increased geo-activity
levels. Geomagnetic conditions are expected to remain unsettled throughout
the day, but should begin to return to quiet conditions at the end of the
day.
TODAY'S ESTIMATED ISN : 000, BASED ON 12 STATIONS.
99999
UGEOI 30512 71121 1307/ 20///
10012 20740 3007/ 4//// 80001 90010
99999
NOTICEABLE EVENTS SUMMARY
DAY BEGIN MAX END LOC XRAY OP 10CM Catania/NOAA RADIO_BURST_TYPES
NONE
END
UGEOR 30512 71121 1307/ 20/08 21101
10064 2//// 3//// 4201/ 50010 60002 46211 00000
99999
UMAGF 30503 71121 1004/ 20066 1/026 21112 33444
UMAGF 31523 71121 0000/ 20009 1/007 21100 31234
#--------------------------------------------------------------------#
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