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Time
UTC		DSCOVRACE
Solar WindGSMSolar WindGSM
Proton DensityBulk SpeedBzProton DensityBulk SpeedBz
21:07------
21:06------
21:055.18353.71.35---
21:046.67359.11.09---
21:037.68361.40.89---
21:027.71360.60.95---
21:012.76347.91.04---
21:006.27360.40.91---
20:597.53359.80.49---
20:5810.21367.9-0.40---
20:576.39364.1-0.38---
20:566.26364.0-0.38---
20:557.46365.0-0.33---
20:547.40364.8-0.24---
20:535.48357.1-0.20---
20:526.61361.5-0.25---
20:517.62362.8-0.23---
20:507.41361.40.14---
20:497.32360.60.16---
20:487.22359.70.41---
20:476.50358.91.176.5358.9-
20:467.04358.81.437.0358.81.4
20:456.62358.9-0.316.6358.9-0.3
20:447.00362.80.557.0362.80.6
20:433.72359.2-0.153.7359.2-0.1
20:424.51361.7-0.834.6362.4-0.8
20:416.68361.6-0.806.7361.6-0.8
20:407.16361.2-0.567.2361.2-0.6
20:396.27355.40.376.3355.40.4
20:386.40354.00.326.4354.00.3
20:376.69354.90.966.7354.91.0
20:367.05354.81.127.1354.81.1
20:356.44351.81.226.4351.81.2
20:345.82350.81.585.8350.81.6
20:335.96351.71.386.0351.71.4
20:326.74352.61.556.7352.61.5
20:317.14353.81.807.1353.81.8
20:305.67352.2-5.7352.2-
20:295.31354.71.615.3354.71.6
20:286.52355.01.656.5355.01.7
20:277.49359.21.577.5359.21.6
20:260.86339.71.810.9339.71.8
20:255.44353.01.895.5353.41.9
20:245.60353.51.676.0354.01.7
20:236.62355.41.606.6355.41.6
20:225.98352.31.556.0352.31.5
20:215.75351.21.395.7351.21.4
20:206.34353.51.316.3353.51.3
20:196.09352.71.226.1352.71.2
20:186.38352.61.146.4352.61.1
20:176.41351.90.996.4351.91.0
20:166.05351.41.006.1351.41.0
20:156.32353.01.256.3353.01.3
20:146.01352.8-6.0352.8-
20:136.03353.31.496.0353.31.5
20:125.72352.41.345.7352.41.3
20:116.17353.41.456.2353.41.4
20:105.57352.01.435.6352.21.4
20:096.79355.11.346.8355.11.3
20:084.29346.61.454.3346.61.4
20:075.40350.31.825.4350.31.8
20:065.23351.41.885.2351.41.9
20:056.05356.42.026.1356.42.0
20:043.84348.12.203.8348.12.2
20:033.76348.12.203.8348.12.2
20:025.06351.72.125.1351.72.1
20:015.71353.81.755.7353.81.8
20:004.88351.21.764.9351.21.8
19:592.83343.71.942.8343.71.9
19:583.75353.21.794.1353.31.8
19:575.48354.11.845.5354.11.8
19:565.78354.61.935.8354.61.9
19:551.36335.81.811.4335.81.8
19:544.82353.41.814.8353.41.8
19:535.26352.31.775.3352.31.8
19:526.51357.01.946.5357.01.9
19:514.38349.01.964.4349.02.0
19:504.82352.82.024.8352.82.0
19:494.87352.42.214.9352.42.2
19:484.77351.52.174.8351.52.2
19:475.40353.01.945.4353.01.9
19:465.01352.01.785.0352.01.8
19:454.73351.71.734.7351.71.7
19:445.08351.71.725.1351.71.7
19:435.67350.51.495.7350.51.5
19:426.05351.41.276.0351.41.3
19:415.39351.70.995.4351.81.0
19:404.52355.92.204.5356.22.2
19:393.79354.12.503.8354.12.5
19:384.16353.72.564.2353.72.6
19:373.85351.62.313.8351.62.3
19:364.26354.02.364.3354.02.4
19:354.51357.92.294.5357.92.3
19:344.27355.32.294.3355.32.3
19:333.12350.12.343.1350.12.3
19:323.18353.02.353.2353.02.3
19:313.90360.42.323.9360.42.3
19:304.12361.92.474.1361.92.5
19:293.45352.62.653.4352.62.6
19:282.85346.92.412.8346.92.4
19:273.48352.52.433.4352.02.4
19:264.46351.62.144.3350.42.1
19:254.26355.11.874.3355.11.9
19:241.32339.92.361.3339.92.4
19:233.09358.02.753.2358.02.8
19:223.43358.02.733.4358.02.7
19:214.05360.12.734.0360.12.7
19:203.76360.12.883.8360.12.9
19:193.91361.62.983.9361.63.0
19:183.76361.52.993.8361.53.0
19:174.16364.22.944.2364.22.9
19:163.60360.22.963.6360.23.0
19:153.16357.22.923.2357.22.9
19:144.03361.42.604.0361.42.6
19:134.03361.42.964.1362.73.0
19:123.86362.92.973.9362.93.0
19:113.75363.42.993.8363.43.0
19:103.49361.62.823.5361.62.8
19:093.70362.12.833.7362.12.8
19:083.51360.52.803.5360.52.8
Built 2026-04-28 21:08 from source
Solar wind parameters of the latest hour by NOAA
parameterminmaxmean
IMF Bz [nT]-0.82.21.0
velocity [km/s]339.7365.0355.1
density [cm-3]0.97.66.1
Geomagnetic activity (RX [nT])
sitelatest hournext hour (RXmin, RXmax)
Kevo (KEV)45207
Maasi (MAS)45202
Kilpisjärvi (KIL)54200
Ivalo (IVA)44178
Muonio (MUO)54166
Sodankylä (SOD)43127
Pello (PEL)43108
Oulujärvi (OUJ)4341
Mekrijärvi (MEK)3218
Hankasalmi (HAN)3225
Nurmijärvi (NUR)4225
Tartu (TAR)3220
low increasedmoderate high very high

Short explanation of the method

Data and licenses

AurorasNow! (Finnish Meteorological Institute)
Built 2026-04-28 21:02 from source
NAL | LYR | HOP | BJN | NOR | SOR | TRO | KEV | KIL | MEK | HAN | NUR | TAR
Issue Time: 2026-04-27 01:06 UTC
ALERT: Type II Radio Emission
Begin Time: 2026-04-26 22:57 UTC
Estimated Velocity: 834 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.

Issue Time: 2026-04-26 23:33 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5329
Valid From: 2026-04-26 03:59 UTC
Now Valid Until: 2026-04-27 09:00 UTC
Warning Condition: Persistence
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

Issue Time: 2026-04-26 23:17 UTC
SUMMARY: X-ray Event exceeded M5
Begin Time: 2026-04-26 22:51 UTC
Maximum Time: 2026-04-26 22:57 UTC
End Time: 2026-04-26 23:02 UTC
X-ray Class: M6.0
Location: N21W33
NOAA Scale: R2 - Moderate
Radio - Limited blackout of HF (high frequency) radio communication for tens of minutes.

Issue Time: 2026-04-26 23:08 UTC
SUMMARY: 10cm Radio Burst
Begin Time: 2026-04-26 22:56 UTC
Maximum Time: 2026-04-26 22:57 UTC
End Time: 2026-04-26 22:58 UTC
Duration: 1 minutes
Peak Flux: 260 sfu
Latest Penticton Noon Flux: 148 sfu
Description: A 10cm radio burst indicates that the electromagnetic burst associated with a solar flare at the 10cm wavelength was double or greater than the initial 10cm radio background. This can be indicative of significant radio noise in association with a solar flare. This noise is generally short-lived but can cause interference for sensitive receivers including radar, GPS, and satellite communications.

Issue Time: 2026-04-26 23:00 UTC
ALERT: X-Ray Flux exceeded M5
Threshold Reached: 2026-04-26 22:57 UTC
NOAA Scale: R2 - Moderate

Issue Time: 2026-04-26 11:47 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5328
Valid From: 2026-04-26 03:59 UTC
Now Valid Until: 2026-04-26 23:59 UTC
Warning Condition: Persistence
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

Issue Time: 2026-04-26 06:01 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026-04-26 03:59 UTC
Valid To: 2026-04-26 12:00 UTC
Warning Condition: Onset
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

Issue Time: 2026-04-26 05:59 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2026-04-26 05:59 UTC
Synoptic Period: 0300-0600 UTC

Active Warning: Yes
Induced Currents - Weak power grid fluctuations can occur.
Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.

Built 2026-04-28 15:50 from source