Subject: IPS Daily Report - 27 October 95
Date: 27 Oct 1995 23:13:01 -0000


SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 27/2330Z OCTOBER 1995 BY IPS RADIO AND SPACE SERVICES
FROM THE REGIONAL WARNING CENTRE (RWC), SYDNEY.
SUMMARY FOR 27 OCTOBER AND FORECAST FOR 28 OCTOBER - 30 OCTOBER
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1A. SOLAR SUMMARY
Activity: very low

Flares: none.

Observed 10.7 cm flux/Equivalent Sunspot Number :  74/11

GOES satellite data for 26 Oct
       Daily Proton Fluence >1 MeV:   2.8E+05
       Daily Proton Fluence >10 MeV:  1.8E+04
       Daily Electron Fluence >2 MeV: 3.0E+07 (normal)
       X-ray background: A2.0
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.

1B. SOLAR FORECAST
             28 Oct             29 Oct             30 Oct
Activity     Very low           Very low           Very low
Fadeouts     None expected      None expected      None expected

Forecast 10.7 cm flux/Equivalent Sunspot Number for 28 Oct:  73/9
COMMENT: Recurrence suggests high electron fluences are to be
expected during the interval 1-7 November.

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2A. MAGNETIC SUMMARY
Geomagnetic field at Learmonth: quiet

Estimated Indices : A   K           Observed A Index 26 Oct      
    Learmonth        6  2121 2222
    Fredericksburg   4                           4
    Planetary        8                           5       

Observed Kp for 26 Oct: 1112 2122
2B. MAGNETIC FORECAST 
DATE      Ap    CONDITIONS
28 Oct    13    Quiet to unsettled
29 Oct    16    Unsettled
30 Oct    20    Unsettled to active
COMMENT: IPS Geomagnetic Warning 27 was issued on 27 October and is
current for interval 31 October to 5 November. Active to minor storm
periods expected 31 October - 5 November.

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3A. GLOBAL HF PROPAGATION SUMMARY
.            LATITUDE BAND
DATE        LOW            MIDDLE         HIGH 
27 Oct      normal         normal         normal         
PCA Event : None

3B. GLOBAL HF PROPAGATION FORECAST
.            LATITUDE BAND
DATE        LOW            MIDDLE         HIGH 
28 Oct      normal         normal         fair
29 Oct      normal         fair           poor
30 Oct      normal         fair           poor

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4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY
DATE   T index
27 Oct    21

Observed Australian Regional MUFs:
near predicted monthly values

Predicted Monthly T index for October: 10

4B. AUSTRALIAN REGION IONOSPHERIC FORECAST
DATE   T index  MUFs
28 Oct    15    Near predicted monthly values
29 Oct    15    Near predicted monthly values
30 Oct    10    Near predicted monthly values
COMMENT: IPS HF Communications Warning 27 was issued on 27 October
and is current for interval 31 October to 3 November. Degraded HF
comms conditions expected after 31 October.

-- 
IPS Radio and Space Services      | email: rwc@ips.gov.au
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