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: | Tue, 21 Dec 2004 09:27:12 -0500 |
List-post: | <mailto:propagation@contesting.com> |
:Issued: 2004 Dec 21 1229 UTC :Product: documentation at http://sidc.oma.be/products/meu #------------------------------------------------------------------------------# # DAILY BULLETIN ON SOLAR AND GEOMAGNETIC ACTIVITY from the SIDC (RWC-Belgium) # #------------------------------------------------------------------------------# SIDC URSIGRAM 41221 SIDC SOLAR BULLETIN 21 Dec 2004, 1213UT SIDC FORECAST (valid from 1230UT, 21 Dec 2004 until 23 Dec 2004) SOLAR FLARES : Eruptive (C-class flares expected, probability >= 50%) GEOMAGNETISM : Active conditions expected (A>=20 or K=4) SOLAR PROTONS : Quiet PREDICTIONS FOR 21 Dec 2004 10CM FLUX: 095 / AP: 012 PREDICTIONS FOR 22 Dec 2004 10CM FLUX: 098 / AP: 006 PREDICTIONS FOR 23 Dec 2004 10CM FLUX: 101 / AP: 002 COMMENT: NOAA AR 0713, Catania sunspot group 90, has a beta-gamma magnetic configuration. A C-flare is thus possible. Two long filaments are still situated near the central meridian and may erupt. An interplanetary disturbance corresponding probably to a stream interface arrived this morning. Due to its stronger magnetic field and higher speed disturbed geomagnetic conditions are possible. END: Submit forecast SOLAR INDICES FOR 20 Dec 2004 SUNSPOT INDEX : 024 10CM SOLAR FLUX : 094 AK CHAMBON LA FORET : 009 AK WINGST : /// ESTIMATED AP : 005 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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