[Ips-dsgr] SWS Daily Report - 10 July 21 issued 2330 UT on 10 Jul 2021
Regional Warning Centre
rwc at ips.gov.au
Sun Jul 11 09:30:23 EST 2021
SUBJ: SWS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 2330UT/10 JULY 2021 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 10 JULY AND FORECAST FOR 11 JULY - 13 JULY
STATUS INDICATORS SOL:GREEN MAG:GREEN ION: GREEN
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1A. SOLAR SUMMARY
Activity 10 Jul: Very low
Flares: none.
Observed 10.7 cm flux/Equivalent Sunspot Number for 10 Jul: 74/11
1B. SOLAR FORECAST
11 Jul 12 Jul 13 Jul
Activity Very low Very low Very low
Fadeouts None expected None expected None expected
10.7cm/SSN 74/11 74/11 74/11
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2A. MAGNETIC SUMMARY
Geomagnetic field for Australian Region 10 Jul: Quiet
Estimated Indices 10 Jul : A K
Australian Region 4 22110211
Cocos Island 3 21210200
Darwin 3 22110201
Townsville 4 22210211
Learmonth 4 22210211
Alice Springs 3 22100200
Gingin 3 21100211
Canberra 3 22100200
Hobart 3 22100210
Estimated Antarctic Regional K Indices 10 Jul :
Macquarie Island 1 01000110
Casey 3 22100211
Mawson 17 54110125
Observed Regional daily pc3 Indices 10 Jul :
Darwin 0 (Quiet)
Townsville 0 (Quiet)
Learmonth 0 (Quiet)
Alice Springs 0 (Quiet)
Gingin 0 (Quiet)
Canberra 0 (Quiet)
Hobart 2 (Quiet)
Pc3 pulsations are high frequency (10-45 second period) variations
of the Earths magnetic field. Daily pc3-indices are the daily sum
of 20 minute pc3-indices for that station and have been shown to be
well correlated with rejection of high resolution aeromagnetic
survey flight-line data.
NOTE: Indices may have been generated from data obtained in
cooperation with the following organisations: Geoscience Australia,
University of Newcastle Space Physics Group, Australian Government
Antarctic Division and International Center for Space Weather
Science and Education, Japan.
Estimated AFr/Ap Indices 10 Jul : A
Fredericksburg 5
Planetary 6
Observed AFr/Ap Indices 09 Jul : A K
Fredericksburg 7
Planetary 5 2211 1202
2B. MAGNETIC FORECAST
Date Ap Conditions
11 Jul 6 Quiet
12 Jul 11 Unsettled
13 Jul 14 Unsettled to Active
COMMENT: Generally quiet to unsettled conditions expected.
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3A. GLOBAL HF PROPAGATION SUMMARY
Latitude Band
Date Low Middle High
10 Jul Normal Normal Normal
PCA Event : No event.
3B. GLOBAL HF PROPAGATION FORECAST
Latitude Band
Date Low Middle High
11 Jul Normal Normal Normal
12 Jul Normal Normal Normal-Fair
13 Jul Normal Normal Normal-Fair
COMMENT: Mostly normal HF conditions. Mildly degraded HF conditions
possible at high latitudes.
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4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY
Date T index
10 Jul 17
Observed Australian Regional MUFs
Cocos Island Region:
No data available during local day.
No data available during local night.
Niue Island Region:
No data available during local day.
No data available during local night.
Northern Australian Region:
Near predicted monthly values.
Southern Australian and New Zealand Region:
Near predicted monthly values during local day.
Enhanced by 20% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
Monthly T index:
Month T index
Jun 13
Jul 23
Aug 26
4B. AUSTRALIAN REGION IONOSPHERIC FORECAST
Date T index MUFs
11 Jul 10 Mildly depressed (<15%) to near predicted monthly
values
12 Jul 20 Near predicted monthly values
13 Jul 20 Near predicted monthly values
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5. SPACE ENVIRONMENT SUMMARY
GOES satellite data for 09 Jul
Daily Proton Fluence >1 MeV: 5.8E+04
Daily Proton Fluence >10 MeV: 4.7E+04
Daily Electron Fluence >2 MeV: 1.80E+06 (normal fluence)
Electron Fluence Daily Deep Dielectric Discharge Probability: 1%
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.
X-ray background: A7.6
DSCOVR Satellite Solar Wind Day Averaged Data for 09 Jul
Speed: 329 km/sec Density: 7.6 p/cc Temp: 18200 K Bz: 0 nT
(Courtesy Space Weather Prediction Center, Boulder USA)
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Space Weather Services email: asfc at bom.gov.au
Bureau of Meteorology
PO Box 1386 WWW: http://www.sws.bom.gov.au
Haymarket NSW 1240 AUSTRALIA FTP: ftp://ftp-out.sws.bom.gov.au
tel: +61 2 9213 8010 fax: +61 2 9213 8060
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