Xref: news.cs.tut.fi aus.radio:400 rec.radio.amateur.misc:50534 rec.radio.info:4844 Newsgroups: aus.radio,ips.solar.activity,rec.radio.amateur.misc,rec.radio.info Path: news.cs.tut.fi!news.funet.fi!news.tele.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 - 23 April 94 Message-ID: <1994Apr23.230847.19103@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: Sat, 23 Apr 1994 23:08:47 GMT Approved: rec-radio-info@ve6mgs.ampr.ab.ca Lines: 85 SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT ISSUED AT 23/2330Z APRIL 1994 BY IPS RADIO AND SPACE SERVICES FROM THE REGIONAL WARNING CENTRE (RWC), SYDNEY. SUMMARY FOR 23 APRIL AND FORECAST UP TO 26 APRIL No warning is current. ----------------------------------------------------------- 1A. SOLAR SUMMARY Activity: very low Flares: none. Observed 10.7 cm flux/Equivalent Sunspot Number : 085/027 1B. SOLAR FORECAST 24 April 25 April 26 April Activity Low Low Low Fadeouts None expected None expected None expected Forecast 10.7 cm flux/Equivalent Sunspot Number : 085/027 1C. SOLAR COMMENT None. ----------------------------------------------------------- 2A. MAGNETIC SUMMARY Geomagnetic field at Learmonth: mostly quiet to unsettled, with one active period. Estimated Indices : A K Observed A Index 22 April Learmonth 12 2223 4332 Fredericksburg 08 06 Planetary 08 07 Observed Kp for 22 April: 2222 3222 2B. MAGNETIC FORECAST DATE Ap CONDITIONS 24 Apr 10 Quiet to unsettled. 25 Apr 10 Quiet to unsettled. 26 Apr 10 Quiet to unsettled. 2C. MAGNETIC COMMENT Quiet-unsettled conditions expected until April 28. Slightly disturbed field overnight. 3A. GLOBAL HF PROPAGATION SUMMARY LATITUDE BAND DATE LOW MIDDLE HIGH 23 Apr normal normal normal PCA Event : None. 3B. GLOBAL HF PROPAGATION FORECAST LATITUDE BAND DATE LOW MIDDLE HIGH 24 Apr normal normal fair 25 Apr normal normal fair 26 Apr normal normal fair 3C. GLOBAL HF PROPAGATION COMMENT Conditions expected to remain normal until April 28. ----------------------------------------------------------- 4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY MUFs at Sydney were near predicted monthly values Observed T index for 23 April: 39 Predicted Monthly T Index for April is 40. 4B. AUSTRALIAN REGION IONOSPHERIC FORECAST DATE T-index MUFs 24 Apr 40 Near predicted monthly values. 25 Apr 40 Near predicted monthly values. 26 Apr 40 Near predicted monthly values. 4C. AUSTRALIAN REGION COMMENT Some weak spread F observed during local night. -- IPS Regional Warning Centre, Sydney |IPS Radio and Space Services email: rwc@ips.oz.au fax: +61 2 4148331 |PO Box 5606 RWC Duty Forecaster tel: +61 2 4148329 |West Chatswood NSW 2057 Recorded Message tel: +61 2 4148330 |AUSTRALIA