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OK0NAG > SOLAR 08.12.17 14:52l 131 Lines 4399 Bytes #999 (0) @ EU
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Subj: GEOALERT SIDC
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To: solar@eu
Date: Fri, 8 Dec 2017 12:30:15 GMT
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From: ok0nag <ok0nag>
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Subject: GEOALERT SIDC
:Issued: 2017 Dec 08 1230 UTC
:Product: documentation at http://www.sidc.be/products/xut
#--------------------------------------------------------------------#
# GEOALERT message from the SIDC (RWC-Belgium) #
#--------------------------------------------------------------------#
GEOALERT BRU342
UGEOA 30512 71208 1230/ 9930/
10082 20082 30082
99999
PLAIN
NOTE: the above forecasts are valid from 1230UT, 08 Dec 2017 until 10 Dec
2017
PREDICTIONS FOR 08 Dec 2017 10CM FLUX: 067 / AP: 005
PREDICTIONS FOR 09 Dec 2017 10CM FLUX: 068 / AP: 007
PREDICTIONS FOR 10 Dec 2017 10CM FLUX: 071 / AP: 007
COMMENT: The solar activity remained quiet over the past 24 hours. No flare
has been recorded. The unique sunspot (Catania sunspot group 65, NOAA
Active Region 2690) on the visible disc showed a decay in magnetic
complexity. Quiet flaring conditions are expected for the next 24-hour
period.
No Earth directed Coronal Mass Ejection has been observed. The greater
than
10 MeV solar protons flux remained at nominal levels over the past 24 hours
and is expected to remain so.
The solar wind speed has continued to gradually decrease from 530 km/s
to
460 km/s. The interplanetary magnetic field magnitude remained below 5
nT,
and the Bz component fluctuated between -4 and 4 nT. The solar wind
conditions are expected to continue to decline and return to nominal
conditions by tomorrow. A narrow northern polar coronal hole that extends
down up to latitude 10-degree North is currently facing Earth. The high
speed solar wind stream associated with this coronal hole is expected to
reach Earth by Dec 11.
The geomagnetic conditions were globally quiet to unsettle with K-Dourbes
and Kp ranging between 1 and 3, except on Dec 07 at 15:00 UT the local
station at Dourbes reported active geomagnetic conditions (K-Dourbes =
4)
for a short duration. The geomagnetic activity is expected to be quiet
for
the next following days until the arrival of the high speed stream on Dec
11.
TODAY'S ESTIMATED ISN : 000, BASED ON 14 STATIONS.
99999
UGEOI 30512 71208 1230/ 07///
10011 20680 3012/ 4//// 80101 90010
99999
NOTICEABLE EVENTS SUMMARY
DAY BEGIN MAX END LOC XRAY OP 10CM Catania/NOAA RADIO_BURST_TYPES
NONE
END
UGEOR 30512 71208 1230/ 07/07 08101
10065 2//// 3//// 410// 50010 60001 42206 00000
99999
USSPS 32404 06077 01332 85001 40707 01203
USSPS 81202 07026 01222 01002 41510 0/202
UMAGF 30503 71208 1004/ 07062 1/016 22132 33311
UMAGF 31523 71208 0000/ 07003 1/012 22222 33343
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