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, 30 Jan 2005 15:31:28 -0500 |
List-post: | <mailto:propagation@contesting.com> |
:Issued: 2005 Jan 30 1248 UTC :Product: documentation at http://sidc.oma.be/products/meu #------------------------------------------------------------------------------# # DAILY BULLETIN ON SOLAR AND GEOMAGNETIC ACTIVITY from the SIDC (RWC-Belgium) # #------------------------------------------------------------------------------# SIDC URSIGRAM 50130 SIDC SOLAR BULLETIN 30 Jan 2005, 1231UT SIDC FORECAST (valid from 1230UT, 30 Jan 2005 until 01 Feb 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 30 Jan 2005 10CM FLUX: 086 / AP: 019 PREDICTIONS FOR 31 Jan 2005 10CM FLUX: 087 / AP: 021 PREDICTIONS FOR 01 Feb 2005 10CM FLUX: 088 / AP: 012 COMMENT: The Sun stays at a low activity level. We predict B flares, with a low probability of a C flare from active region #14 (NOAA0727). The geomagnetic field was unsettled to active over the last few hours, with occasional minor storm intervals at high latitudes. This responds to the action of a high speed stream that grew yesterday Jan. 29 in the middle of the day. The Bz component of the IMF is fluctuating strongly, and the solar wind speed increased to 600km/s. We predict the persistence of the unsettled to active conditions mainly for the next 24 hours. Thereafter, the geomagnetic field should become progressively less disturbed. SOLAR INDICES FOR 29 Jan 2005 SUNSPOT INDEX : 040 10CM SOLAR FLUX : 086 AK CHAMBON LA FORET : /// AK WINGST : /// ESTIMATED AP : 024 NOTICEABLE EVENTS SUMMARY DAY BEGIN MAX END LOC XRAY OP 10CM RADIO BURST TYPES Catania NOAA NOTE NONE 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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