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: 2017 Mar 24 1230 UTC
:Product: documentation at http://www.sidc.be/products/xut
#--------------------------------------------------------------------#
# GEOALERT message from the SIDC (RWC-Belgium)                       #
#--------------------------------------------------------------------#
GEOALERT BRU083
UGEOA 30512 70324 1230/ 9930/ 
10242 20242 30242 
99999
PLAIN
NOTE: the above forecasts are valid from 1230UT, 24 Mar 2017 until 26 Mar
2017
PREDICTIONS FOR 24 Mar 2017  10CM FLUX: 074 / AP: 009
PREDICTIONS FOR 25 Mar 2017  10CM FLUX: 074 / AP: 007
PREDICTIONS FOR 26 Mar 2017  10CM FLUX: 074 / AP: 008
COMMENT: In the past 24 hours, no C flares were observed. Very low solar
activity (no C flares) is expected in the next 24 hours.
Over the past 24 hours, solar wind speed measured by DSCOVR varied between
about 530 and 750 km/s, while the magnitude of the Interplanetary Magnetic
Field (IMF) ranged between about 1 and 11 nT. Bz was never below -5 nT.
Quiet geomagnetic conditions (K Dourbes between 1 and 2; NOAA Kp between 1
and 3) were registered in the past 24 hours. Quiet to unsettled levels (K
Dourbes < 4) are expected on March 24, with a chance for active (K Dourbes
= 4) intervals. Quiet to unsettled geomagnetic conditions (K Dourbes < 4)
are expected on March 25 and 26.
TODAY'S ESTIMATED ISN  : 012, BASED ON 13 STATIONS.
99999
UGEOI 30512 70324 1230/ 23/// 
10024 20720 3010/ 4//// 80102 90030 
99999

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

UGEOR 30512 70324 1230/ 23/08 24102 
10005 2//// 3//// 471// 50020 60003 15009 01000 
99999
USSPS 32404 22064 01232 29003 16708 2/802
USSPS 21305 22160 01342 23005 16109 1/803
UMAGF 30503 70324 1004/ 23064 1/011 22212 31122
UMAGF 31523 70324 0000/ 23008 1/010 24322 31312
#--------------------------------------------------------------------#
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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.