GEOALERT SIDC

3-day-forecast of solar and geomagnetic activity.
Source SIDC (RWC-Belgium)
Frequency Daily
Format Encoded data (ISES)
Mail header GEOALERT SIDC
SIDC code xut

Latest issue

:Issued: 2020 Jul 01 1230 UTC
:Product: documentation at http://www.sidc.be/products/xut
#--------------------------------------------------------------------#
# GEOALERT message from the SIDC (RWC-Belgium)                       #
#--------------------------------------------------------------------#
GEOALERT BRU183
UGEOA 30512 00701 1230/ 9930/ 
10012 20012 30012 
99999
PLAIN
NOTE: the above forecasts are valid from 1230UT, 01 Jul 2020 until 03 Jul
2020
PREDICTIONS FOR 01 Jul 2020  10CM FLUX: 069 / AP: 007
PREDICTIONS FOR 02 Jul 2020  10CM FLUX: 070 / AP: 007
PREDICTIONS FOR 03 Jul 2020  10CM FLUX: 070 / AP: 005
COMMENT: Only one sunspot group is presently observed on the visible side
of the solar disc. The newly emerged, Catania sunspot group 33 was the
source of several A class flares during last 24 hours. We expect a low
level of flaring activity to persist in the coming hours.
During last 24 hours there were no Earth directed CMEs and the solar
protons remained at the background level.

The solar wind speed is presently about 315 km/s, and the interplanetary
magnetic field magnitude is 4 nT. One interval of the unsettled geomagnetic
conditions was reported by local station at Dourbes (K=3), at about 09 UT
today. The geomagnetic conditions are presently quiet and we expect quiet
geomagnetic conditions in the coming hours.
TODAY'S ESTIMATED ISN  : 005, BASED ON 23 STATIONS.
99999
UGEOI 30512 00701 1230/ 30/// 
10000 20680 3005/ 4//// 80000 90000 
99999

NOTICEABLE EVENTS SUMMARY
DAY BEGIN MAX  END  LOC    XRAY OP  10CM Catania/NOAA RADIO_BURST_TYPES 
NONE
END

UGEOR 30512 00701 1230/ 01/06 01101 
10033 2//// 3//// 410// 50010 60002 24723 00000 
99999
USSPS 31405 01065 01242 33001 24723 0/102
UMAGF 31523 00701 0000/ 30006 1/005 22221 31201
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Details

The Geoalert message starts with the code GEOALERT BRUXXX, where xxx is the day-of-the-year number.
Besides the ISES codes like UGEOA, UGEOI, UGEOR and USSPS, this message contains the following information:
PLAIN
PREDICTIONS FOR "today" : 10CM FLUX: xxx / AP: xxx
PREDICTIONS FOR "today+1": 10CM FLUX: xxx / AP: xxx
PREDICTIONS FOR "today+2": 10CM FLUX: xxx / AP: xxx
99999
This gives the predicted 10.7 cm radioflux and the predicted Ap index for 3 days starting on the date of the message
NOTICEABLE EVENTS SUMMARY
DAY BEGIN MAX END LOC XRAY OP 10CM TYPE Catania NOAA NOTE

This is the header of a table that lists all major events.
DAY gives the day-of-the-month.
BEGIN, MAX and END give the UT time of the different phases of the X-ray output of the event.
LOC gives the location of the event in heliographic coordinates.
XRAY gives the GOES X-ray class of the event.
OP lists the optical flare class.
10cm gives the 10.7 cm radioflux output of the event.
TYPE specifies the type of radiobursts observed.
Catania gives the Catania sunspot group number where the event happened.
NOAA is the corresponding NOAA active region number.
NOTE is the header of any other type of information, e.g. if a CME was observed associated with the event.


Check the ISES code book for information on ISES codes.