Alerts:
Space Weather Message Code: ALTEF3
Serial Number: 3620
Issue Time: 2026 Feb 04 0927 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3619
Begin Time: 2026 Jan 21 0950 UTC
Yesterday Maximum 2MeV Flux: 10480 pfu
Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
Space Weather Message Code: WATA20
Serial Number: 1093
Issue Time: 2026 Feb 03 1646 UTC
WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day:
Feb 04: None (Below G1) Feb 05: G1 (Minor) Feb 06: G1 (Minor)
THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
www.swpc.noaa.gov/noaa-scales-explanation
Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
Space Weather Message Code: SUMXM5
Serial Number: 310
Issue Time: 2026 Feb 03 1510 UTC
SUMMARY: X-ray Event exceeded M5
Begin Time: 2026 Feb 03 1445 UTC
Maximum Time: 2026 Feb 03 1456 UTC
End Time: 2026 Feb 03 1503 UTC
X-ray Class: M7.2
Location: N14E14
NOAA Scale: R2 - Moderate
www.swpc.noaa.gov/noaa-scales-explanation
Potential Impacts: Area of impact centered primarily on sub-solar point on the sunlit side of Earth.
Radio - Limited blackout of HF (high frequency) radio communication for tens of minutes.
Space Weather Message Code: ALTXMF
Serial Number: 519
Issue Time: 2026 Feb 03 1458 UTC
ALERT: X-Ray Flux exceeded M5
Threshold Reached: 2026 Feb 03 1455 UTC
NOAA Scale: R2 - Moderate
www.swpc.noaa.gov/noaa-scales-explanation
Potential Impacts: Area of impact centered on sub-solar point on the sunlit side of Earth. Extent of blackout of HF (high frequency) radio communication dependent upon current X-ray Flux intensity. For real-time information on affected area and expected duration please see http://www.swpc.noaa.gov/products/d-region-absorption-predictions-d-rap.
Space Weather Message Code: SUMX01
Serial Number: 210
Issue Time: 2026 Feb 03 1428 UTC
SUMMARY: X-ray Event exceeded X1
Begin Time: 2026 Feb 03 1358 UTC
Maximum Time: 2026 Feb 03 1408 UTC
End Time: 2026 Feb 03 1418 UTC
X-ray Class: X1.5
Location: N14E14
NOAA Scale: R3 - Strong
www.swpc.noaa.gov/noaa-scales-explanation
Potential Impacts: Area of impact consists of large portions of the sunlit side of Earth, strongest at the sub-solar point.
Radio - Wide area blackout of HF (high frequency) radio communication for about an hour.
Space Weather Message Code: ALTXMF
Serial Number: 518
Issue Time: 2026 Feb 03 1411 UTC
ALERT: X-Ray Flux exceeded M5
Threshold Reached: 2026 Feb 03 1407 UTC
NOAA Scale: R2 - Moderate
www.swpc.noaa.gov/noaa-scales-explanation
Potential Impacts: Area of impact centered on sub-solar point on the sunlit side of Earth. Extent of blackout of HF (high frequency) radio communication dependent upon current X-ray Flux intensity. For real-time information on affected area and expected duration please see http://www.swpc.noaa.gov/products/d-region-absorption-predictions-d-rap.
Solar-terrestrial indices for 03 February follow.
Solar flux 178 and estimated planetary A-index 5.
The estimated planetary K-index at 0900 UTC on 04 February was 1.00.
Space weather for the past 24 hours has been strong.
Radio blackouts reaching the R3 level occurred.
Space weather for the next 24 hours is predicted to be moderate.
Radio blackouts reaching the R2 level are expected.
Geo Magnetic Forecast:
NOAA Ap Index Forecast
Observed Ap 02 Feb 006
Estimated Ap 03 Feb 005
Predicted Ap 04 Feb-06 Feb 005-016-027
NOAA Geomagnetic Activity Probabilities 04 Feb-06 Feb
Active 10/25/25
Minor storm 01/35/40
Moderate storm 01/15/20
Strong-Extreme storm 01/01/01
NOAA Kp index forecast 04 Feb - 06 Feb
Feb 04 Feb 05 Feb 06
00-03UT 1.67 2.00 4.67
03-06UT 1.67 2.00 4.00
06-09UT 1.33 1.67 3.67
09-12UT 1.33 1.33 3.67
12-15UT 1.33 1.33 3.67
15-18UT 1.33 3.00 4.00
18-21UT 1.33 4.33 4.00
21-00UT 1.67 5.00 4.00
Extended Three Day Forecast:
A. NOAA Geomagnetic Activity Observation and Forecast
The greatest observed 3 hr Kp over the past 24 hours was 2 (below NOAA
Scale levels).
The greatest expected 3 hr Kp for Feb 04-Feb 06 2026 is 5.00 (NOAA Scale
G1).
NOAA Kp index breakdown Feb 04-Feb 06 2026
Feb 04 Feb 05 Feb 06
00-03UT 1.67 2.00 4.67 (G1)
03-06UT 1.67 2.00 4.00
06-09UT 1.33 1.67 3.67
09-12UT 1.33 1.33 3.67
12-15UT 1.33 1.33 3.67
15-18UT 1.33 3.00 4.00
18-21UT 1.33 4.33 4.00
21-00UT 1.67 5.00 (G1) 4.00
Rationale: G1 (Minor) storming is likely on 05-06 Feb due to the arrival
of the CME associated with the 01/2357 UTC X8.1 flare from Region 4366.
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 Feb 04-Feb 06 2026
Feb 04 Feb 05 Feb 06
S1 or greater 30% 30% 30%
Rationale: The greater than 10 MeV proton flux has a chance to exceed S1
(Minor) levels over 04-06 Feb due to the high eruptive potential of
Region 4366. The risk of a proton event will increase as the region
moves into a more favorable magnetic connection point in the Suns
western hemisphere.
C. NOAA Radio Blackout Activity and Forecast
Radio blackouts reaching the R3 levels were observed over the past 24
hours. The largest was at Feb 03 2026 1408 UTC.
Radio Blackout Forecast for Feb 04-Feb 06 2026
Feb 04 Feb 05 Feb 06
R1-R2 80% 80% 80%
R3 or greater 40% 40% 40%
Rationale: Moderate to high solar activity is expected due to M-class
flaring (R1-R2, Minor-Moderate) for the next three days with a high
chance for X-class flares (R3-Strong or greater) due to expected further
activity from AR 4366.
Extended Space Weather Discussion:
Solar Activity
.24 hr Summary...
Solar activity was at high levels and dominated by Region 4366 (N14E07,
Fkc/beta-gamma-delta) with negligible contributions from the remaining
disk. Following an X1.5 flare from Region 4366 at 03/1408 UTC and a
subsequent M-class event (M7.2), Region 4366 appeared to undergo a
slight reduction in area and a modest simplification of its magnetic
complexity. Despite this consolidation, the region retained its
beta-gamma-delta configuration. New Region 4372 (S24W39, Bxo/beta)
emerged in the southwest quadrant but is already in decay while Region
4358 (N16W30, Cro/beta) developed sunspots within an area of previously
decayed plage in the northeast quadrant. Region 4371 (S22E60, Dao/beta)
exhibited signs of growth as it rotated further onto the visible disk;
however, limb proximity and foreshortening continue to hinder a complete
assessment of its extent and complexity. Region 4362 (S16E06,
Cao/beta-gamma) experienced growth and then some slight decay in extent,
but developed trailing and intermediate spots and acquired a gamma
configuration with new flux emergence. The remaining numbered regions on
the visible disk remained stable or in a state of slight decay. No
significant growth or increased magnetic complexity was noted in these
groups during the period.
Other activity included a large, slow moving filament eruption centered
near N18W30 that began at 03/0400 UTC as seen in SUVI 304 imagery. An
associated CME was observed off the NW limb at 03/1836 UTC. Analysis
will be conducted as imagery becomes available.
.Forecast...
Moderate to high solar activity is expected due to M-class flaring
(R1-R2, Minor-Moderate) for the next three days with a high chance for
X-class flares (R3-Strong or greater) due to expected further
activity from AR 4366.
Energetic Particle
.24 hr Summary...
The greater than 10 MeV proton flux at geosynchronous orbit remained at
background levels. The greater than 2 MeV electron flux reached high
levels during the period with a peak of 10,479 pfu at 03/1720 UTC.
.Forecast...
The greater than 2 MeV electron flux is expected to remain at moderate
to high levels through 06 Feb. The greater than 10 MeV proton flux has a
chance to exceed S1 (Minor) levels over 04-06 Feb due to the high
eruptive potential of Region 4366. The risk of a proton event will
increase as the region moves into a more favorable magnetic connection
point in the Suns western hemisphere.
Solar Wind
.24 hr Summary...
Solar wind parameters initially reflected nominal, background conditions
before showing a clear disturbance beginning at approximately 03/1835
UTC. Total magnetic field (Bt) was steady near 5–6 nT for much of the
period but increased abruptly to a peak of 9 nT at 2054 UTC. Solar wind
speed remained in a slow-wind regime, gradually increasing from about
290 km/s to a peak near 340 km/s late in the period. Density showed a
modest enhancement during this disturbance, while temperature also
showed a correlating spike from about 20,000 K early in the period to
nearly 100,000 K. The Phi angle underwent a distinct transition starting
around 03/1835 UTC, shifting from a negative (Towards) to a positive
(Away) orientation. This disturbance is likely associated with a solar
sector boundary crossing.
.Forecast...
The solar wind is expected to remain in the current slightly enhanced
regime before returning to nominal conditions until mid-day on 05 Feb,
when a disturbance is likely due to the expected arrival of the complex
CME ejecta associated with the 01/2357 UTC X8.1 flare from Region 4366.
Geospace
.24 hr Summary...
The geomagnetic field was quiet.
.Forecast...
The geomagnetic field is expected to remain quiet through 04 Feb.
Activity is likely to increase from unsettled to G1 (Minor) storm
levels on 05 Feb due to the anticipated arrival of the CME
associated with the X8.1 flare from Region 4366. Active to G1 (Minor)
conditions are expected to continue through 06 Feb.
27 Day Forecast:
Date | Radio Flux | Planetary A Index | Largest Kp Index
2026 Feb 02 160 5 2
2026 Feb 03 155 5 2
2026 Feb 04 155 5 2
2026 Feb 05 145 5 2
2026 Feb 06 120 8 3
2026 Feb 07 125 8 3
2026 Feb 08 130 8 3
2026 Feb 09 135 10 3
2026 Feb 10 140 8 3
2026 Feb 11 135 8 3
2026 Feb 12 140 5 2
2026 Feb 13 145 20 5
2026 Feb 14 145 15 4
2026 Feb 15 155 15 4
2026 Feb 16 160 15 4
2026 Feb 17 170 15 4
2026 Feb 18 180 15 4
2026 Feb 19 175 15 4
2026 Feb 20 170 15 4
2026 Feb 21 160 15 4
2026 Feb 22 150 8 3
2026 Feb 23 140 8 3
2026 Feb 24 135 20 4
2026 Feb 25 130 20 4
2026 Feb 26 130 8 3
2026 Feb 27 140 5 2
2026 Feb 28 160 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.
Added custom line widths for most items.
Added GOES Difference (#1 - #2)
Added Ovation-prime model outputs.
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)
Added Quickselect preset buttons to main page. (2/7/18)
v3.5x
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).
v2.0
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 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