[Ips-whfpr] IPS Weekly Prop. Report (03 February 10)

Wed Feb 3 12:41:42 EST 2010

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 03/0200Z FEBRUARY 2010 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (27 JANUARY - 02 FEBRUARY)
Date   T index   Conditions        
27 Jan    7      Normal            
MUFS:
   Cocos Island Region:
      Near predicted monthly values with enhancements to 30%
      11-18 UT. Sporadic E observed 01-03 and 19-23 UT.
   Niue Island Region:
      Near predicted monthly values with depressions to 30%
      10-14 UT. Sporadic E observed 07-14 UT. No data 15-23
      UT.
   Northern Australian Region:
      Near predicted monthly values to 30% enhanced.
      Depressions to 15% at Townsville, 01-02, 13 and 15
      UT. Sporadic E observed 13 and 15-22 UT at Darwin, and
      00-04, 07, 10 and 21-23 UT at Townsville.
   Southern Australian and New Zealand Region:
      Near predicted monthly values to 30% enhanced.
      Depressions to 25% 02, 03 and 11-15 UT at Brisbane,
      11-20 UT at Canberra and Sydney, and 02-05 and 15-17
      UT at Hobart. Sporadic E observed mostly 00-04, 12-16
      and 20-23 UT. Some night spread F observed at Brisbane
      and Hobart.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to 30% enhanced.
      Depressions to 30% at Macquarie Is., 13-17 UT.

28 Jan   10      Normal            
MUFS:
   Cocos Island Region:
      Near predicted monthly values with enhancements to 60%
      10-20 UT. Sporadic E observed 09-11 UT.
   Niue Island Region:
      No data.
   Northern Australian Region:
      Near predicted monthly values. Occasional depressions
      to 15% at Darwin and to 20% at Townsville 01-07 UT.
      Enhancements to 45% 08-10, 12-14 and 17-21 UT at
      Townsville. Sporadic E observed 09-21 UT at Darwin and
      00-02, 04 and 10-12 UT at Townsville.
   Southern Australian and New Zealand Region:
      Near predicted monthly values with occasional
      depressions to 15% at Brisbane, Hobart and Norfolk Is.
      Sporadic E observed 00-15, 19 and 22 UT at Brisbane,
      00-07, 14-16, 19 and 22-23 UT at Norfolk Is., 00-02,
      11-16 and 19-22 UT at Canberra and Sydney and 00-07,
      10-18 and 20-23 UT at Hobart.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values with depressions to 30%
      mostly 07-16 and 20-22 UT.

29 Jan    2      Normal            
MUFS:
   Cocos Island Region:
      Near predicted monthly values with enhancements to 50%
      11-17 UT and depressions to 10% 08-09 UT. Sporadic E
      observed 06-12, 19 and 21-22 UT.
   Niue Island Region:
      No data 00-20 UT. Depressed to 25% otherwise.
   Northern Australian Region:
      Near predicted monthly values. Enhancements to 35% 07-19
      UT and depressions to 30% 03, 06 and 20-21 UT at
      Darwin. Depressions to 30% 01-06 and 15-16 UT at
      Townsville. Sporadic E observed 05 and 19-23 UT and
      night spread F at Townsville.
   Southern Australian and New Zealand Region:
      Near predicted monthly values. Depressions to 20%
      mostly 00-08 UT. Night spread F at all stations.
      Sporadic E observed mostly 00-15 UT.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values with occasional
      depressions to 20%. No data for Macquarie Is. 05-23
      UT.

30 Jan    3      Normal            
MUFS:
   Cocos Island Region:
      Near predicted monthly values with depressions to 25%
      08-11 UT. Some night spread F. Sporadic E observed
      10-18 UT.
   Niue Island Region:
      Near predicted monthly values with depressions to 45%
      03-05 UT. Some night spread F. Sporadic E observed
      04-06, 11-20 UT.
   Northern Australian Region:
      Near predicted monthly values, no data 00-04 UT at
      Darwin. Depressions to 25% 06, 14, 17-18 and 21 UT at
      Darwin and 02-06 and 14 UT at Townsville. Sporadic E
      observed 00-05, 07-08 and 20-22 UT and some night
      spread F observed at Townsville.
   Southern Australian and New Zealand Region:
      Near predicted monthly values. Depressions mostly to
      15% 00-09 UT. Night spread F observed at all stations.
      Sporadic E observed mostly 00-12 UT.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values with occasional
      depressions to 20%.

31 Jan    3      Normal            
MUFS:
   Cocos Island Region:
      Mostly near predicted monthly values. Sporadic E
      observed 18-21 UT.
   Niue Island Region:
      Near predicted monthly values with depressions to 40%
      03-05 and 10-13 UT. Sporadic E observed 04, 06-09,
      11-21 UT and night spread F.
   Northern Australian Region:
      Near predicted monthly values. Depressions to 20% 03,
      06-08 UT at Darwin and 02-03, 06-08, 12-16 and 22 UT at
      Townsville. Night spread F observed at both stations.
      Sporadic E observed at Townsville mostly00-08 and
      12-22 UT.
   Southern Australian and New Zealand Region:
      Near predicted monthly values. Depressions to 20%
      00-03, 06-09 at Brisbane, Canberra, Norfolk Is. and
      Sydney and to 15% 01, 04-09, 21 UT at Hobart. Night
      spread F observed at Brisbane and Norfolk Is. Sporadic
      E observed at times 00-12 and 21 UT.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Mostly near predicted monthly values with occasional
      depressions to 15%.

01 Feb    7      Normal-fair       
MUFS:
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Mostly near predicted monthly values,
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 15% over the UT day.

02 Feb    9      Normal-fair       
MUFS:
   Cocos Island Region:
      Depressed by 15% over the UT day.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Depressed by 25% during local night.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values,
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 15% over the UT day.

Predicted Monthly T index for February:   4
2. FORECAST (03 FEBRUARY - 09 FEBRUARY) 
MUFS: MUFs near predicted monthly values.
Propagation conditions: Normal-Fair. Expect ongoing periods
of strong sporadic-E. No SWFs
T index:   4

3. OUTLOOK (10 FEBRUARY - 12 MARCH)
Degraded HF propagation conditions possible:
No signficant degraded periods expected.

PLEASE NOTE:
Space weather conditions can frequently be determined by short 
timescale events that cannot be forecast a week in advance,
particularly at solar maximum.

For an explanation of some of the terms in this report, go to
http://www.ips.gov.au, and follow links to Educational->
Glossary on Solar Terrestrial Terms.

IPS Radio and Space Services        email: asfc at ips.gov.au
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Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
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