Alerts:
Space Weather Message Code: WARK04
Serial Number: 5210
Issue Time: 2026 Jan 09 0142 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026 Jan 09 0140 UTC
Valid To: 2026 Jan 09 0900 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: 1463
Issue Time: 2026 Jan 08 2040 UTC
ALERT: Type II Radio Emission
Begin Time: 2026 Jan 08 1944 UTC
Estimated Velocity: 855 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: ALTTP4
Serial Number: 702
Issue Time: 2026 Jan 08 1857 UTC
ALERT: Type IV Radio Emission
Begin Time: 2026 Jan 08 1737 UTC
Description: Type IV emissions occur in association with major eruptions on the sun and are typically associated with strong coronal mass ejections and solar radiation storms.
Space Weather Message Code: WARK04
Serial Number: 5209
Issue Time: 2026 Jan 08 0555 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5208
Valid From: 2026 Jan 08 0120 UTC
Now Valid Until: 2026 Jan 08 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 08 January follow.
Solar flux 140 and estimated planetary A-index 14.
The estimated planetary K-index at 0000 UTC on 09 January was 3.00.
No space weather storms were observed for the past 24 hours.
Space weather for the next 24 hours is predicted to be minor.
Geomagnetic storms reaching the G1 level are likely.
Geo Magnetic Forecast:
NOAA Ap Index Forecast
Observed Ap 07 Jan 005
Estimated Ap 08 Jan 014
Predicted Ap 09 Jan-11 Jan 024-015-010
NOAA Geomagnetic Activity Probabilities 09 Jan-11 Jan
Active 35/35/20
Minor storm 35/25/10
Moderate storm 20/05/01
Strong-Extreme storm 01/01/01
NOAA Kp index forecast 09 Jan - 11 Jan
Jan 09 Jan 10 Jan 11
00-03UT 2.00 3.67 2.67
03-06UT 3.33 4.00 2.00
06-09UT 5.00 3.33 2.33
09-12UT 4.67 3.00 2.33
12-15UT 4.00 2.33 2.67
15-18UT 3.00 2.00 2.33
18-21UT 3.00 2.33 2.33
21-00UT 3.67 2.67 2.33
Extended Three Day Forecast:
A. NOAA Geomagnetic Activity Observation and Forecast
The greatest observed 3 hr Kp over the past 24 hours was 4 (below NOAA
Scale levels).
The greatest expected 3 hr Kp for Jan 09-Jan 11 2026 is 5.00 (NOAA Scale
G1).
NOAA Kp index breakdown Jan 09-Jan 11 2026
Jan 09 Jan 10 Jan 11
00-03UT 2.00 3.67 2.67
03-06UT 3.33 4.00 2.00
06-09UT 5.00 (G1) 3.33 2.33
09-12UT 4.67 (G1) 3.00 2.33
12-15UT 4.00 2.33 2.67
15-18UT 3.00 2.00 2.33
18-21UT 3.00 2.33 2.33
21-00UT 3.67 2.67 2.33
Rationale: G1 (Minor) or greater geomagnetic storms are possible on 09
Jan due to CH HSS influences compounded by a potential glancing blow
from a CME that left the Sun on 06 Jan.
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 09-Jan 11 2026
Jan 09 Jan 10 Jan 11
S1 or greater 10% 10% 10%
Rationale: There is a slight chance for S1 (Minor) or greater solar
radiation storms on 09-11 Jan.
C. NOAA Radio Blackout Activity and Forecast
No radio blackouts were observed over the past 24 hours.
Radio Blackout Forecast for Jan 09-Jan 11 2026
Jan 09 Jan 10 Jan 11
R1-R2 45% 45% 45%
R3 or greater 10% 10% 10%
Rationale: There is a chance for R1-R2 (Minor-Moderate) radio blackouts,
with a slight chance for R3 (Strong) events, on 09-11 Jan.
Extended Space Weather Discussion:
Solar Activity
.24 hr Summary...
Solar activity was at low levels. Region 4334 (S16W06, Dao/beta) was the
most active region, producing multiple low and mid level C-class flares.
The largest flare of the period was a long duration C5.6 flare that
peaked at 08/1730 UTC, also from Region 4334. This flare was accompanied
by a Type IV radio sweep and an associated CME first observed in LASCO
C2 imagery beginning at ~08/1712 UTC. This event is being modeled to
determine any possible impacts at Earth.
There was also a C2.7 flare that peaked at 08/1609 UTC, and a C3.4 flare
at 08/1956 UTC, both from Region 4334. The C2.7 flare produced a CME
first observed in LASCO C2 imagery at 08/1700 UTC. A Type II (est speed
855 km/s) radio sweep was associated with the C3.4 flare. Modeling is
waiting on sufficient coronagraph imagery to become available.
Lastly, a CME associated with a C4.4/Sf flare earlier in the period was
modeled, resulting in a near-Earth passage on 10 Jan.
Slight growth and separation was observed in Regions 4336 (S10E28,
Eki/beta-gamma-delta). Despite being the most active region on the
visible disk, slight decay and consolidation was noted in Region 4334.
New Region 4338 (S05E34, Bxo/beta) developed and was numbered during the
period. Mostly decay was observed in the remainder of the numbered
active regions.
.Forecast...
Solar activity is expected to be low with a chance (45%) for M-class
flares (R1-R2, Minor-Moderate), and a slight chance (10%) for isolated
X-class flares (R3-Strong) over 09-11 Jan.
Energetic Particle
.24 hr Summary...
The greater than 2 MeV electron flux returned to moderate levels,
reaching a peak of 508 pfu. The greater than 10 MeV proton flux was at
background levels.
.Forecast...
The greater than 2 MeV electron flux is expected to be at moderate
levels on 09-11 Jan. There is a slight chance (10%) for a greater than
10 MeV proton event through 11 Jan.
Solar Wind
.24 hr Summary...
Solar wind parameters were generally enhanced during the reporting
period, with the total magnetic field (Bt) averaging 11 nT with a max of
14 nT at 08/1624 UTC. The Bz (north-south) component fluctuated during
the period, seeing a maximum southward deflection to -11 nT in the first
half of the reporting period. Solar wind speed slowly increased from
beginning speeds near 330 km/s to end the period over 425 km/s. Phi
angle was predominantly in a negative orientation (towards the Sun).
.Forecast...
Enhanced conditions are expected on 09 Jan, likely associated
with the arrival of a CIR/CH HSS and possible influences from the 06 Jan
CME. Elevated solar wind speeds are expected to continue through 11 Jan
as CH HSS influence is expected to persist.
Geospace
.24 hr Summary...
The geomagnetic field was quiet to active levels.
.Forecast...
Unsettled to active levels are expected, with G1 (Minor) storm
conditions likely, on 09 Jan as the CH HSS/CME influences persist
Unsettled to active conditions are expected to continue into 10 Jan as
the coronal hole moves further into a geo-effective position, with 11
Jan likely seeing a return to largely quiet to unsettled conditions.
27 Day Forecast:
Date | Radio Flux | Planetary A Index | Largest Kp Index
2026 Jan 05 155 10 3
2026 Jan 06 150 5 2
2026 Jan 07 145 5 2
2026 Jan 08 140 5 2
2026 Jan 09 135 8 3
2026 Jan 10 135 8 3
2026 Jan 11 130 5 2
2026 Jan 12 135 10 3
2026 Jan 13 135 15 5
2026 Jan 14 140 15 5
2026 Jan 15 145 5 2
2026 Jan 16 145 5 2
2026 Jan 17 145 20 5
2026 Jan 18 140 20 5
2026 Jan 19 145 18 5
2026 Jan 20 150 18 5
2026 Jan 21 155 8 3
2026 Jan 22 160 8 3
2026 Jan 23 165 6 2
2026 Jan 24 170 6 2
2026 Jan 25 175 6 2
2026 Jan 26 175 6 2
2026 Jan 27 170 8 3
2026 Jan 28 165 12 4
2026 Jan 29 160 20 5
2026 Jan 30 155 10 3
2026 Jan 31 160 8 3
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).
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> 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).
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