[Ips-dsgr] SWS Daily Report - 01 June 19 issued 2332 UT on 01 Jun 2019

Sun Jun 2 09:32:32 EST 2019

SUBJ: SWS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 2330UT/01 JUNE 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 01 JUNE AND FORECAST FOR 02 JUNE - 04 JUNE
STATUS INDICATORS SOL:GREEN   MAG:GREEN     ION: GREEN
-----------------------------------------------------------
1A. SOLAR SUMMARY
Activity 01 Jun:  Very low

Flares: none.

Observed 10.7 cm flux/Equivalent Sunspot Number for 01 Jun:  70/5

1B. SOLAR FORECAST
             02 Jun             03 Jun             04 Jun
Activity     Very low           Very low           Very low
Fadeouts     None expected      None expected      None expected
10.7cm/SSN    71/6               72/8               72/8

COMMENT: Solar activity was Very Low for UT day 1 June. There 
are no sunspots on the visible solar disk. There were no earth-directed 
Coronal Mass Ejections (CMEs) observed in the available coronagraph 
imagery. Very Low solar activity is expected for the next 3 UT 
days, 2-4 June. During the UT day 1 June, the solar wind speed 
was mostly near its background levels. The IMF Btotal varied 
in the range 2-4 nT. There were no notable periods of negative 
Bz. On UT day 2 June the solar wind speed is expected to remain 
near its background levels.

-----------------------------------------------------------
2A. MAGNETIC SUMMARY

Geomagnetic field for Australian Region 01 Jun: Quiet

Estimated Indices 01 Jun : A   K           
   Australian Region       0   00100000
      Cocos Island         0   01100000
      Darwin               1   10100001
      Townsville           2   11110011
      Learmonth            1   11100000
      Alice Springs        0   00100000
      Culgoora             0   00100000
      Gingin               0   00000000
      Canberra             0   00100000
      Launceston           0   00100000
      Hobart               0   00100000    

Estimated Antarctic Regional K Indices 01 Jun :
      Macquarie Island     0   00000000
      Casey                3   12300010
      Mawson               4   21110023
      Davis                4   13210011

Observed Regional daily pc3 Indices 01 Jun : 
      Darwin               0   (Quiet)
      Townsville          NA
      Learmonth            0   (Quiet)
      Alice Springs        0   (Quiet)
      Gingin               0   (Quiet)
      Canberra             0   (Quiet)
      Melbourne           NA

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 01 Jun : A 
           Fredericksburg         2
           Planetary              3                         

Observed AFr/Ap Indices 31 May :  A   K
           Fredericksburg         5
           Planetary              5   2221 1101     

2B. MAGNETIC FORECAST 
Date      Ap    Conditions
02 Jun     7    Quiet
03 Jun     7    Quiet
04 Jun     7    Quiet

COMMENT: Geomagnetic activity was at Quiet levels across the 
Australian and Antarctic region for the UT day 1 June. For the 
next 3 UT days, 2-4 June, the global geomagnetic activity is 
expected to be mostly at Quiet levels.

-----------------------------------------------------------
3A. GLOBAL HF PROPAGATION SUMMARY
	            Latitude Band
Date        Low            Middle         High 
01 Jun      Normal         Normal         Normal         

PCA Event : No event.

3B. GLOBAL HF PROPAGATION FORECAST
	            Latitude Band
Date        Low            Middle         High 
02 Jun      Normal         Normal         Normal
03 Jun      Normal         Normal         Normal
04 Jun      Normal         Normal         Normal

COMMENT: During the last 24 hours maximum usable frequencies 
(MUFs) were mostly near predicted monthly values and mildly enhanced. 
Mild to moderate depressions were also observed across the Northern 
Hemisphere high latitude regions. Variable HF conditions are 
expected for 2 June. Occasional enhancements are possible across 
all latitudes. For the Northern hemisphere, mildly to moderately 
depressed MUFs are likely for mid to high latitudes. For the 
Southern hemisphere, near predicted monthly MUFs are expected 
with disturbed ionospheric support for high latitudes.

-----------------------------------------------------------
4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY

Date   T index
01 Jun    -1

Observed Australian Regional MUFs
   Cocos Island Region:
      Enhanced by 15% during local day.
      Enhanced by 40% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 40% during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 35% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 30% over the UT day.

Monthly T index:
Month  T index
May      2
Jun      -11
Jul      -12

4B. AUSTRALIAN REGION IONOSPHERIC FORECAST
Date   T index  MUFs
02 Jun    -5    Near predicted monthly values
03 Jun    -5    Near predicted monthly values
04 Jun    -5    Near predicted monthly values

COMMENT: Maximum usable frequencies (MUFs) ranged mostly from 
near predicted monthly values to mildly enhanced ones for Australian 
regions and Antarctica. Sporadic-E occurrences were observed 
over some Australian ionosonde sites. For 2-4 June, MUFs are 
expected to range mostly near predicted monthly levels.

-----------------------------------------------------------
5. SPACE ENVIRONMENT SUMMARY

GOES satellite data for 31 May
       Daily Proton Fluence >1 MeV:   4.3E+05
       Daily Proton Fluence >10 MeV:  1.9E+04
       Daily Electron Fluence >2 MeV: 1.60E+08   (moderate fluence)
Electron Fluence Daily Deep Dielectric Discharge Probability:14%
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.
       X-ray background: A7.5

DSCOVR Satellite Solar Wind Day Averaged Data for 31 May
Speed: 430 km/sec  Density:    2.8 p/cc  Temp:    60300 K  Bz:   0 nT

(Courtesy Space Weather Prediction Center, Boulder USA)
-----------------------------------------------------------

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 

IMPORTANT: This e-mail, including any attachments, may contain,
confidential or copyright information.  The views expressed in 
this message are those of the individual sender, unless 
specifically stated to be the views of SWS.  If you are not 
the intended recipient, please contact the sender immediately 
and delete all copies of this e-mail and attachments. 
To unsubscribe from an IPS mail list either send an email to 
"MAIL_LIST"-leave at ips.gov.au or go to
http://www.sws.bom.gov.au/mailman/listinfo/"MAIL_LIST".
Information about training can be obtained from
http://www.sws.bom.gov.au/mailman/listinfo/ips-training.
General information is available from
http://www.sws.bom.gov.au/mailman/listinfo/ips-info.