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: | Sun, 23 Jan 2005 10:44:34 -0500 |
List-post: | <mailto:propagation@contesting.com> |
:Issued: 2005 Jan 23 1232 UTC :Product: documentation at http://sidc.oma.be/products/meu #------------------------------------------------------------------------------# # DAILY BULLETIN ON SOLAR AND GEOMAGNETIC ACTIVITY from the SIDC (RWC-Belgium) # #------------------------------------------------------------------------------# SIDC URSIGRAM 50123 SIDC SOLAR BULLETIN 23 Jan 2005, 1220UT SIDC FORECAST (valid from 1230UT, 23 Jan 2005 until 25 Jan 2005) SOLAR FLARES : Quiet conditions (<50% probability of C-class flares) GEOMAGNETISM : Active conditions expected (A>=20 or K=4) SOLAR PROTONS : Quiet PREDICTIONS FOR 23 Jan 2005 10CM FLUX: 098 / AP: 016 PREDICTIONS FOR 24 Jan 2005 10CM FLUX: 090 / AP: 021 PREDICTIONS FOR 25 Jan 2005 10CM FLUX: 089 / AP: 017 COMMENT: Solar wind speed is still at the elevated level of 650 km/s. The fact that the solar wind speed is not decreasing any more (after the shock arrival) can be possibly caused by the northern hemispheric coronal hole. Last night (Jan 22 - Jan 23) we had some active geomagnetic periods. Up till tomorrow, periods of active conditions can still occur. Sunspot group 05 (NOAA 720) still produced an M-flare peaking at 01:51 UT, Jan 23. Other active regions now visible on the solar disk are behaving quiet. SOLAR INDICES FOR 22 Jan 2005 SUNSPOT INDEX : 044 10CM SOLAR FLUX : 102 AK CHAMBON LA FORET : /// AK WINGST : /// ESTIMATED AP : 027 NOTICEABLE EVENTS SUMMARY DAY BEGIN MAX END LOC XRAY OP 10CM RADIO BURST TYPES Catania NOAA NOTE 23 0128 0151 0201 M1.0 05 0720 73 & GUD DX, 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 eReflector: http://lists.contesting.com/mailman/listinfo/propagation KN4LF Daily Solar Space Weather & Geomagnetic Data Archive: http://www.kn4lf.com/kn4lf5.htm KN4LF Daily LF/MF/HF Radio Propagation Outlook: http://www.kn4lf.com/kn4lf6.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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