Newsgroups: aus.radio,ips.solar.activity,rec.radio.amateur.misc,rec.radio.info Path: news.cs.tut.fi!news.funet.fi!sunic!trane.uninett.no!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 - 25 August 94 Message-ID: <1994Aug25.232204.28796@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: Thu, 25 Aug 1994 23:22:04 GMT Approved: rec-radio-info@ve6mgs.ampr.ab.ca Lines: 79 Xref: news.cs.tut.fi aus.radio:564 rec.radio.amateur.misc:57706 rec.radio.info:6003 SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT ISSUED AT 25/2330Z AUGUST 1994 BY IPS RADIO AND SPACE SERVICES FROM THE REGIONAL WARNING CENTRE (RWC), SYDNEY. SUMMARY FOR 25 AUGUST AND FORECAST FOR 26 AUGUST - 28 AUGUST ----------------------------------------------------------- 1A. SOLAR SUMMARY Activity: very low Flares: none. Observed 10.7 cm flux/Equivalent Sunspot Number : 71/6 GOES satellite data for 24 Aug Daily Proton Fluence >1 MeV: 3.6E+05 Daily Proton Fluence >10 MeV: 1.3E+04 Daily Electron Fluence >2 MeV: 3.8E+06 X-ray background: A1.1 Fluence (flux accumulation over 24hrs)/ cm2-ster-day. 1B. SOLAR FORECAST 26 Aug 27 Aug 28 Aug Activity Very low Very low Very low Fadeouts None expected None expected None expected Forecast 10.7 cm flux/Equivalent Sunspot Number for 26 Aug: 70/5 ----------------------------------------------------------- 2A. MAGNETIC SUMMARY Geomagnetic field at Learmonth: quiet to unsettled Estimated Indices : A K Observed A Index 24 Aug Learmonth 10 2323 3222 Fredericksburg 15 5 Planetary 12 5 Observed Kp for 24 Aug: 2211 1222 2B. MAGNETIC FORECAST DATE Ap CONDITIONS 26 Aug 10 Quiet 27 Aug 10 Quiet 28 Aug 10 Quiet ----------------------------------------------------------- 3A. GLOBAL HF PROPAGATION SUMMARY LATITUDE BAND DATE LOW MIDDLE HIGH 25 Aug normal normal fair PCA Event : None. 3B. GLOBAL HF PROPAGATION FORECAST LATITUDE BAND DATE LOW MIDDLE HIGH 26 Aug normal normal normal 27 Aug normal normal normal 28 Aug normal normal normal ----------------------------------------------------------- 4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY Observed DATE T-index MUFs at Sydney 25 Aug 26 Near predicted monthly values with 15-30% enhancements 14-20 UT. Sporadic E was observed 02-05 UT and 13-18 UT. Predicted Monthly T-index for August: 20 4B. AUSTRALIAN REGION IONOSPHERIC FORECAST DATE T-index MUFs 26 Aug 20 Near predicted monthly values 27 Aug 25 Near predicted monthly values 28 Aug 25 Near predicted monthly values COMMENT: Spread F and sporadic E may degrade F layer communications at times. -- 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