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OK0NAG > SOLAR 16.09.17 14:56l 117 Lines 4084 Bytes #999 (0) @ EU
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Subj: GEOALERT SIDC
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Date: Sat, 16 Sep 2017 13:54:40 GMT
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Subject: GEOALERT SIDC
From: ok0nag <ok0nag>
:Issued: 2017 Sep 16 1354 UTC
:Product: documentation at http://www.sidc.be/products/xut
#--------------------------------------------------------------------#
# GEOALERT message from the SIDC (RWC-Belgium) #
#--------------------------------------------------------------------#
GEOALERT BRU259
UGEOA 30512 70916 1354/ 9930/
10162 21162 30162
99999
PLAIN
NOTE: the above forecasts are valid from 1230UT, 16 Sep 2017 until 18 Sep
2017
PREDICTIONS FOR 16 Sep 2017 10CM FLUX: 070 / AP: 022
PREDICTIONS FOR 17 Sep 2017 10CM FLUX: 069 / AP: 014
PREDICTIONS FOR 18 Sep 2017 10CM FLUX: 068 / AP: 009
COMMENT: Solar activity remains to be very low without even C-class flares
reported during last 48 hours.
We expect solar activity to stay at the same low level with isolated
C-class flares possible but rather improbable.
No Earth directed CMEs have been observed and the solar protons remained
at
background level in the past 24 hours.
The Earth is still inside the fast solar wind stream (speed of about 700
km/s), associated with a low-latitude extension of the northern polar
coronal hole which reached central meridian on September 09. Due to the
high solar wind speed of about 710 km/s and longer intervals of the
southward Bz component of the interplanetary magnetic field (down to -7
nT)
disturbed geomagnetic conditions were reported starting from yesterday
late
afternoon. The local station at Dourbes reported one interval of K=5 and
NOAA reported Kp=5 since 18:00 UT on September 15 and one interval of Kpat
03:00 UT this morning.
Presently geomagnetic conditions are unsettled to active, however the solar
wind speed is still high and longer intervals of southward Bz might induce
active to minor storm conditions in the coming hours.
TODAY'S ESTIMATED ISN : 015, BASED ON 18 STATIONS.
99999
UGEOI 30512 70916 1354/ 15///
10012 20730 3034/ 4//// 80001 90100
99999
NOTICEABLE EVENTS SUMMARY
DAY BEGIN MAX END LOC XRAY OP 10CM Catania/NOAA RADIO_BURST_TYPES
NONE
END
UGEOR 30512 70916 1354/ 15/08 16101
10055 2//// 3//// 472// 50100 60002 10909 01000
99999
UMAGF 30503 70916 1004/ 15060 1/050 23333 36444
UMAGF 31523 70916 0000/ 15007 1/034 25343 34365
#--------------------------------------------------------------------#
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