To: | "a Propagation Reflector" <propagation@contesting.com>,"a HCDX Prop Channel" <propagation@hard-core-dx.com> |
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Subject: | [Propagation] SIDC Belgium Daily Solar Geo Report |
From: | "Thomas Giella KN4LF" <kn4lf@tampabay.rr.com> |
Date: | Sat, 25 Dec 2004 10:34:19 -0500 |
List-post: | <mailto:propagation@contesting.com> |
:Issued: 2004 Dec 25 1228 UTC :Product: documentation at http://sidc.oma.be/products/meu #------------------------------------------------------------------------------# # DAILY BULLETIN ON SOLAR AND GEOMAGNETIC ACTIVITY from the SIDC (RWC-Belgium) # #------------------------------------------------------------------------------# SIDC URSIGRAM 41225 SIDC SOLAR BULLETIN 25 Dec 2004, 1208UT SIDC FORECAST (valid from 1230UT, 25 Dec 2004 until 27 Dec 2004) SOLAR FLARES : Quiet conditions (<50% probability of C-class flares) GEOMAGNETISM : Active conditions expected (A>=20 or K=4) SOLAR PROTONS : Quiet PREDICTIONS FOR 25 Dec 2004 10CM FLUX: 098 / AP: 018 PREDICTIONS FOR 26 Dec 2004 10CM FLUX: 097 / AP: 018 PREDICTIONS FOR 27 Dec 2004 10CM FLUX: 100 / AP: 007 COMMENT: The only active region on the Sun (NOAA 0713, Catania number 90) has now beta magnetic configuration and thus it is not very probable that it will produce a C-flare. An interaction region between slower and faster solar wind flows arrived this morning. It contained intervals of southward interplanetary magnetic field, so the K index reached 4. We expect the geomagnetic conditions to stay occasionally disturbed. However, it is unlikely that the K-index will rise to 5. SOLAR INDICES FOR 24 Dec 2004 SUNSPOT INDEX : 035 10CM SOLAR FLUX : 097 AK CHAMBON LA FORET : 006 AK WINGST : /// ESTIMATED AP : 004 NOTICEABLE EVENTS SUMMARY DAY BEGIN MAX END LOC XRAY OP 10CM RADIO BURST TYPES Catania NOAA NOTE NONE 73, Thomas F. Giella, KN4LF Retired Space & Atmospheric Weather Forecaster Plant City, FL, USA Grid Square EL87WX Lat & Long 27 58 33.6397 N 82 09 52.4052 W kn4lf@arrl.net Propagation eGroup: http://lists.contesting.com/mailman/listinfo/propagation PropNET Beacon Program: http://www.propnet.org HCDX Propagation Channel: http://www.hard-core-dx.com/index.php?topic=Propagation KN4LF Daily Solar Space Weather & Geomagnetic Data Archive: http://www.kn4lf.com/kn4lf5.htm KN4LF HF/MF Radio Propagation Theory Notes: http://www.kn4lf.com/kn4lf8.htm KN4LF Amateur & SWL Radio History: http://www.kn4lf.com/index.htm
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