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OK0NAG > SOLAR 26.10.17 22:10l 122 Lines 4184 Bytes #999 (0) @ EU
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Subj: GEOALERT SIDC
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Subject: GEOALERT SIDC
To: solar@eu
From: ok0nag <ok0nag>
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Date: Thu, 26 Oct 2017 12:30:19 GMT
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:Issued: 2017 Oct 26 1230 UTC
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#--------------------------------------------------------------------#
# GEOALERT message from the SIDC (RWC-Belgium) #
#--------------------------------------------------------------------#
GEOALERT BRU299
UGEOA 30512 71026 1230/ 9930/
10262 21262 30262
99999
PLAIN
NOTE: the above forecasts are valid from 1230UT, 26 Oct 2017 until 28 Oct
2017
PREDICTIONS FOR 26 Oct 2017 10CM FLUX: 079 / AP: 021
PREDICTIONS FOR 27 Oct 2017 10CM FLUX: 079 / AP: 017
PREDICTIONS FOR 28 Oct 2017 10CM FLUX: 079 / AP: 011
COMMENT: Quiet solar conditions were reported with the X-ray flux seeing
only a low B2 class flare peaking at 23:59UT from Catania group 61 (NOAA
region 2686).
Both active regions on disk are relatively simple (Mag.Type: Alpha) and
small. Especially Catania group 60 (NOAA region 2685) shrunk in size.
The X-ray flux is expected to remain below C level.
Proton flux levels were at background values and are expected to remain
so.
No Earth directed CME's were recorded in coronagraph data.
Solar wind speed saw peaks of close to 650 km/s before starting a gradual
decline towards values of near 560km/s presently. Total magnetic field
was
mainly in the 4-6.5 nT range with Bz variable but predominantly negative
in
the last 6 hours with values down to -6.3 nT.
The present influence of the coronal hole high speed stream will gradually
fade and speeds should decline over the next 24-48 hours.
Geomagnetic conditions were quiet to active (local K Dourbes 1-4 and NOAA
Kp 2-4).
Geomagnetic conditions are expected to remain quiet to active for the next
24 hours and quiet to unsettled afterwards as the coronal hole high speed
stream fades.
TODAY'S ESTIMATED ISN : 024, BASED ON 16 STATIONS.
99999
UGEOI 30512 71026 1230/ 25///
10023 20790 3023/ 4//// 80002 90060
99999
NOTICEABLE EVENTS SUMMARY
DAY BEGIN MAX END LOC XRAY OP 10CM Catania/NOAA RADIO_BURST_TYPES
NONE
END
UGEOR 30512 71026 1230/ 26/07 26102
10060 2//// 3//// 472// 50030 60002 21308 00000
10061 2//// 3//// 472// 50030 60002 13514 01000
99999
USSPS 31405 26075 02442 60003 21308 2/902 61003 13514 2/902
UMAGF 30503 71026 1004/ 25064 1/030 24322 34432
UMAGF 31523 71026 0000/ 25001 1/023 24343 32345
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