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OK0NAG > SOLAR 30.09.17 13:33l 133 Lines 4756 Bytes #999 (0) @ EU
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Subj: GEOALERT SIDC
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Subject: GEOALERT SIDC
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Date: Sat, 30 Sep 2017 12:30:29 GMT
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From: ok0nag <ok0nag>
:Issued: 2017 Sep 30 1230 UTC
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#--------------------------------------------------------------------#
# GEOALERT message from the SIDC (RWC-Belgium) #
#--------------------------------------------------------------------#
GEOALERT BRU273
UGEOA 30512 70930 1230/ 9930/
10302 21302 30302
99999
PLAIN
NOTE: the above forecasts are valid from 1230UT, 30 Sep 2017 until 02 Oct
2017
PREDICTIONS FOR 30 Sep 2017 10CM FLUX: 090 / AP: 021
PREDICTIONS FOR 01 Oct 2017 10CM FLUX: 091 / AP: 011
PREDICTIONS FOR 02 Oct 2017 10CM FLUX: 092 / AP: 006
COMMENT: Over the past 24 hours solar activity has been low. No significant
flares have been recorded. Catania group 56 (NOAA AR region 2682) increased
its magnetic complexity and produced two B class flares peaking at 13:31
and 14:32 UT yesterday (29-Sep-2017). No Earth directed Coronal Mass
Ejections (CMEs) have been detected in coronograph observations. Integral
proton flux for protons with energies above 10 MeV remained at background
level over the past 24 hours. Solar activity is expected to remain low
over
the next 24 hours with some probability of C-class flares.
The Earth remains under influence of the fast solar wind stream. The solar
wind speed is slowly decreasing from 640 km/s till 510 km/s over the past
24 hours. The interplanetary magnetic field magnitude remained between
4
and 5 nT, and the Bz component fluctuating between -4.5 and 4.5 nT being
mainly negative.
Disturbed geomagnetic conditions were observed with Kp-NOAA up to 4
(K-Dourbes up to 3) due to the fast solar wind and the southward Bz
component of the interplanetary magnetic field over several consecutive
intervals. The geomagnetic conditions are expected to vary between
unsettled to active conditions today, in particular, if the Bz component
stays negative for longer periods. Tomorrow (1-Oct-2017) we expect quiet
to
unsettled geomagnetic conditions as the high speed stream will decrease.
TODAY'S ESTIMATED ISN : 047, BASED ON 09 STATIONS.
99999
UGEOI 30512 70930 1230/ 29///
10052 20900 3014/ 4//// 80003 90590
99999
NOTICEABLE EVENTS SUMMARY
DAY BEGIN MAX END LOC XRAY OP 10CM Catania/NOAA RADIO_BURST_TYPES
NONE
END
UGEOR 30512 70930 1230/ 29/07 30103
10055 2//// 3//// 472// 50060 60001 33812 00000
10056 2//// 3//// 4321/ 50210 60018 21609 02000
10057 2//// 3//// 474// 50320 60003 12914 01000
99999
USSPS 81202 29021 04532 72009 33415 2/801 73019 21910 31312 74026 13313
3/802
USSPS 32404 28061 04222 77007 32414 2/801 78013 23209 31507 79028 13714
5/804
USSPS 31405 28096 05932 55006 32512 2/901 56019 22909 21313 57025 14114
4/802 58001 22305 01203
USSPS 21305 28131 05132 78036 13813 5/803 77016 22511 54316 76009 33215
4/802
UMAGF 30503 70930 1004/ 29060 1/020 22332 33322
UMAGF 31523 70930 0000/ 29006 1/014 23223 33234
#--------------------------------------------------------------------#
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