Alerts:
Space Weather Message Code: ALTK04
Serial Number: 2618
Issue Time: 2026 Jan 02 0523 UTC
ALERT: Geomagnetic K-index of 4
Synoptic Period: 0300-0600 UTC
Active Warning: Yes
www.swpc.noaa.gov/noaa-scales-explanation
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: 5202
Issue Time: 2026 Jan 02 0508 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026 Jan 02 0508 UTC
Valid To: 2026 Jan 02 1200 UTC
Warning Condition: Onset
www.swpc.noaa.gov/noaa-scales-explanation
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: ALTTP2
Serial Number: 1462
Issue Time: 2026 Jan 02 0322 UTC
ALERT: Type II Radio Emission
Begin Time: 2026 Jan 01 0256 UTC
Estimated Velocity: 314 km/s
Description: Type II emissions occur in association with eruptions on the sun and typically indicate a coronal mass ejection is associated with a flare event.
Space Weather Message Code: WARK04
Serial Number: 5201
Issue Time: 2026 Jan 01 1444 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026 Jan 01 1444 UTC
Valid To: 2026 Jan 01 2359 UTC
Warning Condition: Onset
www.swpc.noaa.gov/noaa-scales-explanation
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: 5200
Issue Time: 2026 Jan 01 0843 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5199
Valid From: 2026 Jan 01 0430 UTC
Now Valid Until: 2026 Jan 01 1200 UTC
Warning Condition: Persistence
www.swpc.noaa.gov/noaa-scales-explanation
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 01 January follow.
Solar flux 169 and estimated planetary A-index 12.
The estimated planetary K-index at 0600 UTC on 02 January was 4.00.
No space weather storms were observed for the past 24 hours.
Space weather for the next 24 hours is predicted to be moderate.
Geomagnetic storms reaching the G2 level are likely.
Radio blackouts reaching the R1 level are likely.
Geo Magnetic Forecast:
NOAA Ap Index Forecast
Observed Ap 31 Dec 007
Estimated Ap 01 Jan 020
Predicted Ap 02 Jan-04 Jan 016-042-015
NOAA Geomagnetic Activity Probabilities 02 Jan-04 Jan
Active 35/10/35
Minor storm 35/35/20
Moderate storm 20/35/05
Strong-Extreme storm 01/20/01
NOAA Kp index forecast 02 Jan - 04 Jan
Jan 02 Jan 03 Jan 04
00-03UT 3.67 5.00 3.67
03-06UT 3.00 6.00 3.33
06-09UT 2.67 6.00 2.00
09-12UT 2.67 4.67 3.00
12-15UT 2.33 4.00 3.00
15-18UT 2.00 3.00 2.00
18-21UT 2.33 3.00 3.33
21-00UT 4.67 4.33 3.33
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 02-Jan 04 2026 is 6.00 (NOAA Scale
G2).
NOAA Kp index breakdown Jan 02-Jan 04 2026
Jan 02 Jan 03 Jan 04
00-03UT 3.67 5.00 (G1) 3.67
03-06UT 3.00 6.00 (G2) 3.33
06-09UT 2.67 6.00 (G2) 2.00
09-12UT 2.67 4.67 (G1) 3.00
12-15UT 2.33 4.00 3.00
15-18UT 2.00 3.00 2.00
18-21UT 2.33 3.00 3.33
21-00UT 4.67 (G1) 4.33 3.33
Rationale: G1-G2 (Minor-Moderate) geomagnetic storms are likely over
02-03 Jan due to anticipated influence from multiple CMEs that left the
Sun over 28-30 Dec.
B. NOAA Solar Radiation Activity Observation and Forecast
Solar radiation, as observed by NOAA GOES-18 over the past 24 hours, was
below S-scale storm level thresholds.
Solar Radiation Storm Forecast for Jan 02-Jan 04 2026
Jan 02 Jan 03 Jan 04
S1 or greater 20% 10% 10%
Rationale: There is a slight chance for S1 (Minor) or greater solar
radiation storms over 02-04 Jan due to multiple complex regions on the
solar disk.
C. NOAA Radio Blackout Activity and Forecast
No radio blackouts were observed over the past 24 hours.
Radio Blackout Forecast for Jan 02-Jan 04 2026
Jan 02 Jan 03 Jan 04
R1-R2 55% 55% 55%
R3 or greater 20% 20% 20%
Rationale: R1-R2 (Minor-Moderate) radio blackouts are likely over 02-04,
with a slight chance for R3 (Strong), primarily due to flare potential
from Regions 4325 and 4324.
Extended Space Weather Discussion:
Solar Activity
.24 hr Summary...
Solar activity was at low levels due to numerous C-class flares. The
largest flare of the period was a C9.6/Sf at 01/0225 UTC from Region
4325 (S08W10, Eki/beta-gamma). Moderate growth and consolidation
occurred in this region causing it to largely lose its delta
configuration. Region 4324 (N24W02, Dai/beta-gamma) produced a C6.2
flare at 01/1759 UTC. An associated CME signature was observed in
SOHO/LASCO C2 imagery beginning at 01/1912 UTC. Analysis and modeling of
the event is ongoing. Slight growth was observed in the trailing spots
of Region 4324. Departing Region 4317 (N11W90, Hsx/alpha) produced a few
low levels C-class flares. All other spot groups were either stable or
in mild decay.
A filament erupted off the SE quadrant starting at 01/0506 UTC,
triggering a sympathetic C2.0 flare from Region 4331 (S25E24, Axx/alpha)
at 01/0537 UTC. An associated CME became visible is coronagraph imagery
at 01/0548 UTC. Initial analysis indicates a potential Earth-impact late
on 02 Jan to early on 03 Jan.
.Forecast...
Solar activity is expected to be low with M-class flares likely (R1-R2,
Minor-Moderate), and a slight chance for X-class flares (R3-Strong), on
02-04 Jan. M-class activity is most possible from Regions 4324 and 4325.
Energetic Particle
.24 hr Summary...
The greater than 2 MeV electron flux reached high levels with a peak of
1,918 pfu at 01/1530 UTC before decreasing once more to moderate levels.
The greater than 10 MeV proton flux remained at background levels.
.Forecast...
The greater than 2 MeV electron flux is expected to decrease to normal
to moderate levels on 02 Jan. Due to CME activity, a return to high
levels is likely by 03-04 Jan. There is a slight chance for a greater
than 10 MeV proton event on 02-04 Jan.
Solar Wind
.24 hr Summary...
Solar wind parameters were indicative of a solar sector boundary
crossing followed by a possible connection to a negative polarity CH
HSS. The total magnetic field (Bt) ranged from 2-10 nT while the Bz
(north-south) component ranged between +/-8 nT. After a short
interval of acceleration early in the reporting period, the solar wind
speed averaged 480 km/s. Phi angle was predominantly negative (towards
the Sun).
.Forecast...
Solar wind parameters are expected to be disturbed over 02-04 Jan due to
a combination of CH HSS and CME activity. There is the potential for
glancing influences early on 02 Jan from CMEs that left the Sun on 28-30
Dec and again late on 02 Jan into 03 Jan from the aforementioned CME
associated with the M7.1 flare.
Geospace
.24 hr Summary...
The geomagnetic field was quiet to unsettled.
.Forecast...
The geomagnetic field is expected to reach unsettled to G1 (Minor)
storming levels on 02 Jan due to the combination of HSS activity and
potential glancing blows from the 28-30 Dec CMEs. By late on 02 Jan to
early on 03 Jan, the arrival of the 31 Dec CME is expected to cause
unsettled to G1-G2 (Minor-Moderate) storming.
27 Day Forecast:
Date | Radio Flux | Planetary A Index | Largest Kp Index
2025 Dec 29 185 5 2
2025 Dec 30 175 5 2
2025 Dec 31 170 8 3
2026 Jan 01 165 15 4
2026 Jan 02 160 18 4
2026 Jan 03 160 15 4
2026 Jan 04 155 12 4
2026 Jan 05 150 5 2
2026 Jan 06 155 5 2
2026 Jan 07 140 5 2
2026 Jan 08 130 5 2
2026 Jan 09 125 15 4
2026 Jan 10 120 10 4
2026 Jan 11 120 5 2
2026 Jan 12 120 10 4
2026 Jan 13 120 15 4
2026 Jan 14 115 15 4
2026 Jan 15 120 5 2
2026 Jan 16 120 5 2
2026 Jan 17 125 20 5
2026 Jan 18 135 20 5
2026 Jan 19 145 18 4
2026 Jan 20 155 18 4
2026 Jan 21 165 8 3
2026 Jan 22 165 8 3
2026 Jan 23 175 5 2
2026 Jan 24 175 5 2
v4.16b
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.
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Added GOES Difference (#1 - #2)
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v3.8x
Various Updates, New AF Index Algo. (8/12/18)
v3.6x
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 www.dunedinaurora.nz (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)
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v3.5x
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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.
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Added Additional Balloon Text.
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User Interface Upgrades.
Add 'Dial' for the basics, with default support.
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v2.1 - v2.49
Added 'Automatic Chart Update' option in settings.
Database caching enabled, significant load time improvements.
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Fixed Orentation Change Alert.
Small layout changes.
Added Header Image.
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v2.0
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DB Optimisation, improved DB search times.
Charts are now zoomable, allow selection and export.
Added USAF Kp, Updated Wing Kp.
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Added Macquarie Island MAG feed.
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Added MAG feed from www.dunedinaurora.nz (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. (www.intermagnet.org).
Local Australian weather composite maps provided by Oz Forecast