Newsgroups: aus.radio,ips.solar.activity,rec.radio.amateur.misc,rec.radio.info Path: news.cs.tut.fi!news.funet.fi!sunic!news.kth.se!nac.no!ifi.uio.no!wabbit.cc.uow.edu.au!news.ci.com.au!metro!ipso!rwc From: rwc@flare.syd.ips.oz.au (Regional Warning Centre) Subject: IPS Daily Report - 31 January 95 Message-ID: <1995Jan31.233359.15182@ips.oz.au> Followup-To: aus.radio,rec.radio.amateur.misc Sender: news@ips.oz.au (Usenet News) Nntp-Posting-Host: flare.syd.ips.oz.au Organization: IPS Radio and Space Services. Sydney, Australia. Date: Tue, 31 Jan 1995 23:33:59 GMT Approved: rec-radio-info@ve6mgs.ampr.ab.ca Lines: 79 Xref: news.cs.tut.fi aus.radio:789 rec.radio.amateur.misc:66828 rec.radio.info:7582 SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT ISSUED AT 31/2330Z JANUARY 1995 BY IPS RADIO AND SPACE SERVICES FROM THE REGIONAL WARNING CENTRE (RWC), SYDNEY. SUMMARY FOR 31 JANUARY AND FORECAST FOR 01 FEBRUARY - 03 FEBRUARY ----------------------------------------------------------- 1A. SOLAR SUMMARY Activity: low Flares: none. Observed 10.7 cm flux/Equivalent Sunspot Number : 87/30 GOES satellite data for 30 Jan Daily Proton Fluence >1 MeV: 2.5E+06 Daily Proton Fluence >10 MeV: 1.7E+04 Daily Electron Fluence >2 MeV: 1.7E+08 (moderate) X-ray background: B1.9 Fluence (flux accumulation over 24hrs)/ cm2-ster-day. 1B. SOLAR FORECAST 01 Feb 02 Feb 03 Feb Activity Low Low Low Fadeouts None expected None expected None expected Forecast 10.7 cm flux/Equivalent Sunspot Number for 01 Feb: 88/32 ----------------------------------------------------------- 2A. MAGNETIC SUMMARY Geomagnetic field at Learmonth: unsettled to active Estimated Indices : A K Observed A Index 30 Jan Learmonth 19 4333 4343 Fredericksburg 21 29 Planetary 25 30 Observed Kp for 30 Jan: 4644 4443 2B. MAGNETIC FORECAST DATE Ap CONDITIONS 01 Feb 16 Unsettled to active 02 Feb 14 Unsettled 03 Feb 10 Unsettled COMMENT: Activity levels are starting to decline and are expected to be back to quiet to unsettled levels by 4 Feb. ----------------------------------------------------------- 3A. GLOBAL HF PROPAGATION SUMMARY LATITUDE BAND DATE LOW MIDDLE HIGH 31 Jan normal normal fair PCA Event : None. 3B. GLOBAL HF PROPAGATION FORECAST LATITUDE BAND DATE LOW MIDDLE HIGH 01 Feb normal fair poor 02 Feb normal normal fair 03 Feb normal normal fair ----------------------------------------------------------- 4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY Observed DATE T-index MUFs at Sydney 31 Jan 15 15-30% below predicted monthly values prior to 06UT then near-15% below predicted. Spread F was present during local night. Predicted Monthly T-index for January: 15 4B. AUSTRALIAN REGION IONOSPHERIC FORECAST DATE T-index MUFs 01 Feb 20 Near predicted monthly values 02 Feb 20 Near predicted monthly values 03 Feb 25 Near predicted monthly values -- IPS Regional Warning Centre, Sydney |IPS Radio and Space Services RWC Duty Forecaster tel: +61 2 4148329 |PO Box 5606 Recorded Message tel: +61 2 4148330 |West Chatswood NSW 2057 email: rwc@ips.oz.au fax: +61 2 4148331 |AUSTRALIA