Ovation: South
Weather: TAS
Presets: Presets

Space Weather Message Code: ALTEF3
Serial Number: 3095
Issue Time: 2021 Jan 28 0501 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3094
Begin Time: 2021 Jan 27 1220 UTC
Yesterday Maximum 2MeV Flux: 3242 pfu
Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

Space Weather Message Code: WARK04
Serial Number: 3812
Issue Time: 2021 Jan 28 0253 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2021 Jan 28 0252 UTC
Valid To: 2021 Jan 28 0559 UTC
Warning Condition: Onset
Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

Space Weather Message Code: WARK04
Serial Number: 3811
Issue Time: 2021 Jan 27 2233 UTC

WARNING: Geomagnetic K-index of 4 expected
Valid From: 2021 Jan 27 2232 UTC
Valid To: 2021 Jan 27 2359 UTC
Warning Condition: Onset
Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

Solar-terrestrial indices for 27 January follow.
Solar flux 76 and estimated planetary A-index 11.
The estimated planetary K-index at 1500 UTC on 28 January was 0.

No space weather storms were observed for the past 24 hours.

No space weather storms are predicted for the next 24 hours.

Geo Magnetic Forecast:

NOAA Ap Index Forecast
Observed Ap 26 Jan 012
Estimated Ap 27 Jan 010
Predicted Ap 28 Jan-30 Jan 008-005-005

NOAA Geomagnetic Activity Probabilities 28 Jan-30 Jan
Active                20/10/10
Minor storm           01/01/01
Moderate storm        01/01/01
Strong-Extreme storm  01/01/01

NOAA Kp index forecast 28 Jan - 30 Jan
             Jan 28    Jan 29    Jan 30
00-03UT        3         2         1
03-06UT        2         1         2
06-09UT        2         1         1
09-12UT        2         1         1
12-15UT        1         1         1
15-18UT        1         1         2
18-21UT        2         2         1
21-00UT        2         2         2

Extended Three Day Forecast:

A. NOAA Geomagnetic Activity Observation and Forecast

The greatest observed 3 hr Kp over the past 24 hours was 3 (below NOAA
Scale levels).
The greatest expected 3 hr Kp for Jan 28-Jan 30 2021 is 3 (below NOAA
Scale levels).

NOAA Kp index breakdown Jan 28-Jan 30 2021

            Jan 28     Jan 29     Jan 30
00-03UT        3          2          1
03-06UT        1          1          2
06-09UT        1          1          1
09-12UT        1          1          1
12-15UT        1          1          1
15-18UT        1          1          2
18-21UT        1          2          1
21-00UT        2          2          2

Rationale: No G1 (Minor) or greater geomagnetic storms are expected.  No
significant transient or recurrent solar wind features are forecast.

B. NOAA Solar Radiation Activity Observation and Forecast

Solar radiation, as observed by NOAA GOES-16 over the past 24 hours, was
below S-scale storm level thresholds.

Solar Radiation Storm Forecast for Jan 28-Jan 30 2021

              Jan 28  Jan 29  Jan 30
S1 or greater    1%      1%      1%

Rationale: No S1 (Minor) or greater solar radiation storms are expected.
No significant active region activity favorable for radiation storm
production is forecast.

C. NOAA Radio Blackout Activity and Forecast

No radio blackouts were observed over the past 24 hours.

Radio Blackout Forecast for Jan 28-Jan 30 2021

              Jan 28        Jan 29        Jan 30
R1-R2            1%            1%            1%
R3 or greater    1%            1%            1%

Rationale: No R1 (Minor) or greater radio blackouts are expected.  No
significant active region flare activity is forecast.

Extended Space Weather Discussion:

Solar Activity

.24 hr Summary...
Solar activity was very low. Slight decay was observed in both Regions
2797 (S18W62, Axx/alpha) and 2800 (N18W28, Bxo/beta). No Earth-directed
CMEs were observed.

Solar activity is expected to be very low on 28-30 Jan.

Energetic Particle

.24 hr Summary...
The greater than 2 MeV electron flux reached high levels with a peak
flux of 3,240 pfu observed at 27/1930 UTC. The greater than 10 MeV
proton flux remained at background values.

The greater than 2 MeV electron flux is expected to be moderate to high
on 28-30 Jan while the greater than 10 MeV proton flux is expected to
continue at background levels.

Solar Wind

.24 hr Summary...
Solar wind parameters indicated the waning effects of a negative
polarity CH HSS. Solar wind speed decreased from approximately 560 km/s
to near 450 km/s. Total field ranged from 1-6 nT while the Bz component
was between +3/-5 nT. Phi angle was predominantly negative.

Solar wind parameters are expected to continue to diminish through 28
Jan. A return to nominal solar wind conditions is expected on 29-30 Jan.


.24 hr Summary...
The geomagnetic field was quiet to unsettled due to persistent CH HSS

The geomagnetic field is expected to be mostly quiet through 30 Jan.

27 Day Forecast:

Date | Radio Flux | Planetary A Index | Largest Kp Index
2021 Jan 25      76           8          3
2021 Jan 26      76           8          3
2021 Jan 27      76           5          2
2021 Jan 28      76           5          2
2021 Jan 29      75           5          2
2021 Jan 30      75           5          2
2021 Jan 31      75           5          2
2021 Feb 01      75          10          3
2021 Feb 02      75          10          3
2021 Feb 03      75           5          2
2021 Feb 04      76           5          2
2021 Feb 05      76           5          2
2021 Feb 06      76           5          2
2021 Feb 07      76          10          3
2021 Feb 08      76          10          3
2021 Feb 09      76           5          2
2021 Feb 10      76           5          2
2021 Feb 11      77           5          2
2021 Feb 12      77           5          2
2021 Feb 13      77           5          2
2021 Feb 14      77           5          2
2021 Feb 15      77           5          2
2021 Feb 16      77           5          2
2021 Feb 17      77           5          2
2021 Feb 18      77           5          2
2021 Feb 19      77           5          2
2021 Feb 20      77           8          3

  • GRAPH OPTIONS: Learn more
    It is recommended that you start out with the default options. As you get used to AF you can disable additional information and combine data series' together to maxamise the use of screen space.

  • DATA SOURCES: Learn more
    Some data sources can only be enabled or disabled via the tick box. Others are disabled using the slider set to 0, or enabled by setting the slider from 0.5 to 4. This number also represents the thinkness of the line plot onto the graph.

  • 'The' Aurora Forecast Index: Learn more
    These are two good options for predicting Auroras.

    The Aurora Forecast Index takes into account many data sources. As a general rule if it stays high for many hours there is a good possibility of an Aurora present.

    Aurora Forecast website usage is also a good indicator, as visitors to the site come from many traffic sources. General internet and community chatter transplating to visits is a great indicator.

  • Planatary K Index (Kp): Learn more
    The Kp number is a system of measuring aurora strength. The range goes from 0 to 9 (0 being calm, 1 very weak, all the way up to 9, which would represent a major geomagnetic storm with strong auroras visible).

    Kp 5 and above is classified as a geomagnetic storm. Most Aurora Hunters consider prolonged 3+ or higher worth investigation.

  • Ovation (Model) Short Term Forecast (GW):' Learn more
    The Ovation-Prime Model produced by SWPC calculates the energy interacting with the Earths magnetic field. This is a good indicator for Aurora activity.
  • DSCOVR Observatory (L1): Learn more

    The DSCOVR or Deep Space Climate Obervatory sits 1.5 million Kilometers from Earth, between the Earth and the Sun in the L1 orbit point, the neutral gravity point between the Earth and the Sun. DSCOVR provides space weather readings, allowing for up to an hour of warning on weather events. This is why DSCOVR's data appears in the future on the graph.

    Strong negative Bz direction is linked to Aurora's because the solar wind magnetic direction is in direct oposition with the Earths magnetic field.

  • ACE Observatory (L1): Learn more

    ACE or Advanced Composition Explorer sits 1.5 million Kilometers from Earth, between the Earth and the Sun in the L1 orbit point, the neutral gravity point between the Earth and the Sun. ACE has now been replaced by DSCOVR, but the data is still useful for comparing to DSCOVR.
  • GOES Satalites: Learn more

    GOES or Geostationary Operational Environmental Satellites sit 46 Kilometers above the Earth in geostationary orbit. They provide local space weather data and are a good indicator for current geomagnetic conditions.

  • Terrestrial Magnetometer Sources: Learn more
    Terrestrial or surface magnetometers detect fluctuations in the Earths magnetic field from the ground.
    These do not work as well as satalites as the magnetic field obsorbs some of the effects from the solar winds.
    There is a mix of govenment and citizen science stations listed here, including two run by Aurora Forecast in Hobart.
  • User Magnetometer ID's: Learn more
    If you have a TAFS Magnetometer and you want to add it to the graph you can do it here.
    Insent your Mag's Unique ID.



Aurora Forecast is free to use, however it takes a lot of time and effort to maintain. If you find it useful and are a regular user then please consider making a donation to keep it running. Feedback is always welcome.

v4.X Release 17th Dec 2020)
Fixed New GOES and HPI inputs from noaa for Json (17/12/20).
Addded the ability to add 2 custom Magnetometers in settings (comming soon) (18/10/19).
Improved Hobart Magnetometer code. (18/18/19)
Move all presets into their own pop out side menu. (19/06/19)
Added Composite weather maps (TAS, VIC and SA), thanks to Oz forecast! (19/06/19)
UI Upgrades, Name, Logo and Website Site Changes.
Added custom line widths for most items.
Added GOES Difference (#1 - #2)
Added Ovation-prime model outputs.

Various Updates, New AF Index Algo. (8/12/18)

Added more Presets. Disabled Presets overwriting graph views (6/7/18)
Added GeoSpace Kp Model Prediction. (3/7/18)
Added SWPC Kp Forecast + Observation. (2/7/18)
Removed WingKP and USKp. :( No longer Avaliable. (2/7/18)
Removed feed from (Unreliable). (2/7/18)
Updates to latest JQuery, JQuery Mobile and AmCharts etc. (2/7/18)
Enhanced Pro setting with Dynamic Preasure. (2/7/18)
Added Quickselect preset buttons to main page. (2/7/18)
Added Ruru Observatory Magnetometer. (25/4/28)
Added Forecast Sub Tabset. (1/3/18)
Added Extended Discussion Text, 27Day FC (1/3/18)
Removed Dial, and Added Forecast Report. (28/2/18)
Updated A few settings for better visilation. (28/2/18)
Updated Goes-13 is Now Goes-14 (15/2/18)
Improved Commmunity Activity for faster loads.
Consolidated Proton Density / Dynamic Preasure.
Added Additional Balloon Text.
Added TAFS Visual Probability in %.
User Interface Upgrades.
Add 'Dial' for the basics, with default support.
Added one click presets.
v2.1 - v2.49
Added 'Automatic Chart Update' option in settings.
Database caching enabled, significant load time improvements.
Extension to max 96 hours of data, up from 24.
Added ACE Bt,Bx and By for comparison.
Added More User Presets.
Fixed Orentation Change Alert.
Small layout changes.
Added Header Image.
Removed Top Header to fee up Space, Refresh added to Chart Tab.
Added Community Activity Indicator
Fixed MAG value issues in graph.
Added Second Hobart MAG Source.
Updated Comment Features (Disable).
Fixed DSCOVR B? display bug.
Added MAG Stack Feature.
Upgrade to json feeds.
Feeds are timezone and forecast aware, making them super fast.
DB Optimisation, improved DB search times.
Charts are now zoomable, allow selection and export.
Added USAF Kp, Updated Wing Kp.
Added Ovation Aurora Short Term Forecast.
Added Macquarie Island MAG feed.
Added Mawson MAG Feed.
Added Canberra Feed.
Added MAG feed from (Portobello).
Added Brendan's experemental MAG feed (Hobart).
Fixed cookie bug, One Alert is enough for landscape mode.
> v1.0 (Started 20/10/2014)

  Mawson and Macquarie Island data is copyright Commonwealth of Australia (Geoscience Australia), and redistributed under Creative Commons v4.
Thanks to INTERMAGNET for promoting high standards of magnetic observatory practice in providing access to these feeds. (

Local Australian weather composite maps provided by Oz Forecast

Aurora Forecast is free to use, however it takes a lot of time and effort to maintain.
Why not make a donation to keep it running?
Feedback is always welcome. - ©2020 Brendan Davey