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OK0NAG > SOLAR 03.09.17 14:35l 144 Lines 4981 Bytes #999 (0) @ EU
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Subj: GEOALERT SIDC
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Date: Sun, 3 Sep 2017 12:32:51 GMT
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To: solar@eu
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From: ok0nag <ok0nag>
Subject: GEOALERT SIDC
:Issued: 2017 Sep 03 1235 UTC
:Product: documentation at http://www.sidc.be/products/xut
#--------------------------------------------------------------------#
# GEOALERT message from the SIDC (RWC-Belgium) #
#--------------------------------------------------------------------#
GEOALERT BRU246
UGEOA 30512 70903 1235/ 9930/
11032 20032 30032
99999
PLAIN
NOTE: the above forecasts are valid from 1230UT, 03 Sep 2017 until 05 Sep
2017
PREDICTIONS FOR 03 Sep 2017 10CM FLUX: 097 / AP: 007
PREDICTIONS FOR 04 Sep 2017 10CM FLUX: 096 / AP: 006
PREDICTIONS FOR 05 Sep 2017 10CM FLUX: 098 / AP: 006
COMMENT: Over the past 24 hours solar activity remained low beside the
number of regions with potential activity. The Catania group 47 (NOAA
region 2674) produced several B and C-class flares. Although Catania group
43 (NOAA region 2672) had already rotated around the west solar limb, it
produced the largest flare at 15:41 UT on September 2, which was a
C7.7-class flare associated with a CME and a type II burst. The CME is
not
expected to be geoeffective as it erupted from the west solar limb. We
expected a probability of C-class flare with possibly the occurrence of
an
M-class flare, particularly coming from the Catania group 47 (NOAA region
2674).
No Earth directed Coronal Mass Ejections (CMEs) have been detected in the
available coronagraph imagery and the solar protons remains at background
level.
The Earth remained in the fast solar wind. The speed has slowly decreased
from 600 to about 500 Km/s. The interplanetary magnetic field magnitude
stabilized around 4 nT, and the Bz component was fluctuating between -5
and
2 nT for the second day being mainly negative. No signature from the
glancing glow CME (detected on August 28 at 17:12 UT on LASCO-C2) was
observed in the Solar wind data. We expect the solar wind to gradually
return to nominal levels by September 4.
The geomagnetic conditions varied between unsettled to quiet conditions
with K-Dourbes and Kp-NOAA ranging between 1 and 3. As the solar speed
is
currently decreasing, we expect the geomagnetic conditions to return to
quite condition.
TODAY'S ESTIMATED ISN : 116, BASED ON 19 STATIONS.
99999
UGEOI 30512 70903 1235/ 02///
1//// 21000 3022/ 4//// 8//// 9////
99999
NOTICEABLE EVENTS SUMMARY
DAY BEGIN MAX END LOC XRAY OP 10CM Catania/NOAA RADIO_BURST_TYPES
NONE
END
UGEOR 30512 70903 1235/ 01/08 03104
10046 2//// 3//// 472// 50040 60001 23108 00000
10047 2//// 3//// 4542/ 50550 60012 14614 17000
10048 2//// 3//// 4321/ 50030 60005 32605 00000
10043 2//// 3//// 4422/ 50030 60003 47808 18200
99999
USSPS 81202 01053 05532 60005 47208 31401 64007 32608 21403 62007 23308
2/801 63072 14813 44610
USSPS 32404 01072 06232 65006 47508 21403 67010 23308 2/801 68075 14914
41513 69004 32607 21405
USSPS 31405 01085 06132 43003 47808 25403 46004 23108 2/901 47055 14614
44512 48003 32605 22305
USSPS 21305 01146 05932 69085 14513 54624 68008 22909 2/801 70003 33208
11304
UMAGF 30503 70903 1004/ 02062 1/022 24223 33321
UMAGF 31523 70903 0000/ 02000 1/022 24443 32344
#--------------------------------------------------------------------#
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