[Ips-wsgr] ASWFC Weekly Solar and Geophysical Report (14 November 25) issued 0315 UT on 14 Nov 2025 [SEC=OFFICIAL]

Fri Nov 14 14:15:04 AEDT 2025

SUBJ: ASWFC WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 14 NOVEMBER 2025
FROM THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE
ASWAS SCALE DESCRIPTION: https://bit.ly/3lmaMBx

1. SUMMARY (07 NOVEMBER - 13 NOVEMBER)
Date     07    08    09    10    11    12    13
10cm    166   172   176   180   168   163   156
AFr      20    25     7     9     4    70  ( 36)
Aaus     22    17     6    10     4    77  ( 31)
T       114   105   116   135   111    84    40

Solar:        Solar flare activity
Geomagnetic:  Geomagnetic activity observed for Australian region.
Frequencies:  Australian ionospheric F2 critical frequencies

07 Nov 
Solar:        R1, with an M1.7 at 0716UT
Geomagnetic:  G0
In the BOM magnetometer data for 07 Nov, a weak (24nT) impulse 
was observed at 0516UT, a weak (18nT) impulse was observed at 
0835UT, a weak (12nT) impulse was observed at 1133UT and a weak 
(11nT) impulse was observed at 2349UT.
Frequencies:  
   Cocos Island Region:
      Enhanced by 30% during local day.
      Near predicted monthly values during local night.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Enhanced by 15% during local day.
      Enhanced by 15% during local night.
   Southern Australian Region:
      Enhanced by 20% during local day.
      Near predicted monthly values during local night.
      Depressed by 20% after local dawn.
   Antarctic Region (Casey/Davis/Mawson):
      Depressed by 15% over the UT day.

08 Nov 
Solar:        R0
Geomagnetic:  G0
Frequencies:  
   Cocos Island Region:
      Enhanced by 20% during local day.
      Near predicted monthly values during local night.
   Niue Island Region:
      Enhanced by 15% during local day.
      Enhanced by 15% during local night.
   Northern Australian Region:
      Enhanced by 15% during local day.
      Enhanced by 15% during local night.
   Southern Australian Region:
      Mostly near predicted monthly values.
      Depressed by 20% after local dawn.
   Antarctic Region (Casey/Davis/Mawson):
      Near predicted monthly values over the UT day.

09 Nov 
Solar:        R3, with an X1.7 at 0733UT
Geomagnetic:  G0
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 25% during local night.
      Enhanced by 20% after local dawn.
   Niue Island Region:
      Enhanced by 15% during local day.
      Enhanced by 20% during local night.
   Northern Australian Region:
      Enhanced by 20% during local day.
      Enhanced by 40% during local night.
   Southern Australian Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Davis/Mawson):
      Near predicted monthly values over the UT day.

10 Nov 
Solar:        R3, with an X1.2 at 0922UT, and an M1.5 at 1958UT
Geomagnetic:  G0
In the BOM magnetometer data for 10 Nov, a weak (11nT) impulse 
was observed at 1332UT.
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 20% during local night.
   Niue Island Region:
      Enhanced by 30% during local day.
      Enhanced by 40% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 30% during local night.
   Southern Australian Region:
      Enhanced by 15% during local day.
      Enhanced by 15% during local night.
      Depressed by 20% after local dawn.
   Antarctic Region (Casey/Davis/Mawson):
      Near predicted monthly values over the UT day.
      Proton event in progress, increased absorption observed.

11 Nov 
Solar:        R3, with an M1.4 at 0809UT, and an X5.1 at 1004UT
Geomagnetic:  G0
In the BOM magnetometer data for 11 Nov, a weak (8nT) impulse 
was observed at 2253UT.
Frequencies:  
   Cocos Island Region:
      Enhanced by 35% during local day.
      Enhanced by 65% during local night.
      Enhanced by 45% after local dawn.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Davis/Mawson):
      Near predicted monthly values over the UT day.
      Proton event in progress, increased absorption observed.

12 Nov 
Solar:        R0
Geomagnetic:  G3
Frequencies:  
   Cocos Island Region:
      Depressed by 25% during local day.
      Depressed by 30% during local night.
   Niue Island Region:
      Enhanced by 35% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Enhanced by 25% during local day.
      Depressed by 25% during local night.
      Depressed by 25% after local dawn.
   Antarctic Region (Casey/Davis/Mawson):
      No data available over the UT day.
      Proton event in progress, increased absorption observed.

13 Nov 
Solar:        R0
Geomagnetic:  G1
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
   Niue Island Region:
      Enhanced by 15% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
   Southern Australian Region:
      Depressed by 30% during local day.
      Depressed by 45% during local night.
      Depressed by 25% after local dawn.
   Antarctic Region (Casey/Davis/Mawson):
      Depressed by 20% over the UT day.

2. FORECAST (14 NOVEMBER - 20 NOVEMBER)
Solar: 
R1-R2 solar conditions are expected on 14-16 Nov due to ongoing
flare activity from active region AR4274. R0 activity is expected
for the remainder of the week as this region rotates over the 
solar limb.

Geomagnetic:  
G0-G1 geomagnetic conditions expected on 14 Nov, falling to G0 
on 15-Nov due to waning effects of a geomagnetic storm. 
Conditions will rise to G0-G1 on 16-17 Nov due to coronal hole 
high speed wind stream effects. G0 on other days.

Frequencies:  
15-20% depressed on 14 Nov, and 15% depressed on 16-17 Nov due
to aforementioned geomagnetic storm and coronal hole high speed
wind stream effects respectively. MUFs near predicted monthly 
values on other days. Shortwave fadeouts are possible on 14-16
Nov.

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

Australian Space Weather Forecasting Centre
Bureau of Meteorology
ASWFC at bom.gov.au
www.bom.gov.au | www.sws.bom.gov.au