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Time
UTC		DSCOVRACE
Solar WindGSMSolar WindGSM
Proton DensityBulk SpeedBzProton DensityBulk SpeedBz
21:09------
21:08------
21:07------
21:06---1.99---
21:050.78426.4-1.85---
21:041.00429.9-1.16---
21:031.37435.5-0.84---
21:021.20428.0-0.72---
21:010.71409.4-0.03---
21:000.76431.0-0.47---
20:591.01448.5-0.44---
20:581.15436.4-1.39---
20:571.35442.81.38---
20:561.00443.7-0.06---
20:550.96443.8-0.72---
20:541.10445.4-0.57---
20:530.82452.7-0.94---
20:520.83436.4-2.20---
20:511.03435.6-0.52---
20:500.93456.2-0.18---
20:491.19462.50.53---
20:482.05441.4-0.13---
20:472.14423.7-2.142.1423.7-2.1
20:461.25437.4-1.2437.4-
20:451.16448.4-1.2448.4-
20:441.68463.9-1.601.7463.9-1.6
20:432.39417.6-1.382.4417.6-1.4
20:421.43436.7-0.881.6435.1-0.9
20:411.12447.5-0.081.1447.4-0.1
20:400.97441.3-0.471.0444.8-0.5
20:390.96440.5-0.601.9428.0-0.6
20:380.67453.9-0.340.7453.9-0.3
20:370.59448.9-2.840.6448.9-2.8
20:360.91448.1-1.670.9448.1-1.7
20:350.92444.7-1.770.9444.7-1.8
20:341.18442.1-1.801.2442.1-1.8
20:331.50444.3-1.961.5444.3-2.0
20:320.90465.5-1.210.9465.5-1.2
20:310.86459.6-1.690.9459.6-1.7
20:301.01446.5-3.301.0446.5-3.3
20:292.02454.9-2.0454.9-
20:283.16486.83.913.2486.83.9
20:273.21482.03.973.2482.04.0
20:262.30485.14.112.3485.14.1
20:251.35418.23.911.3418.23.9
20:243.00446.03.303.0446.03.3
20:233.44452.53.183.4452.53.2
20:223.00460.83.303.0460.83.3
20:212.73449.43.492.7449.43.5
20:202.85457.03.932.8457.03.9
20:192.13456.44.062.1456.44.1
20:181.56443.5-1.6443.5-
20:171.74436.90.971.7436.91.0
20:162.05445.71.342.1445.71.3
20:152.24458.22.172.2458.22.2
20:142.18451.81.792.2451.81.8
20:132.30451.11.232.3451.11.2
20:121.60422.32.041.6422.32.0
20:112.47446.92.512.5446.62.5
20:102.56451.92.312.3444.92.3
20:092.45456.92.672.4456.72.7
20:081.11419.12.651.1419.12.7
20:071.93432.52.501.9432.52.5
20:062.45437.62.362.4437.62.4
20:052.55438.12.952.8454.23.0
20:042.58446.92.562.6446.92.6
20:032.36438.43.072.4438.43.1
20:022.42443.23.052.4443.23.0
20:012.19446.73.262.2446.73.3
20:001.78444.63.551.8444.63.5
19:591.08436.5-0.601.1436.5-0.6
19:581.17437.9-1.661.1437.4-1.7
19:571.21442.4-1.241.4443.9-1.2
19:561.19451.90.291.2451.90.3
19:551.10457.4-0.081.1457.4-0.1
19:541.08439.30.011.1439.30.0
19:532.71459.60.582.7459.60.6
19:522.17461.82.142.2461.82.1
19:511.66456.21.361.7456.21.4
19:501.64439.00.221.6439.00.2
19:491.33441.2-0.031.3441.2-0.0
19:480.91446.50.080.9446.50.1
19:471.11452.1-0.151.1452.1-0.2
19:461.39444.9-0.621.4444.9-0.6
19:451.42445.1-1.4445.1-
19:441.44461.2-1.4461.2-
19:431.23459.60.091.3464.10.1
19:420.74441.8-1.221.0453.2-1.2
19:410.66426.5-0.430.6425.1-0.4
19:400.67449.8-0.430.6442.9-0.4
19:390.60456.8-2.150.6456.8-2.1
19:380.77460.1-1.970.8460.1-2.0
19:372.28440.3-1.672.3440.3-1.7
19:362.17451.5-2.542.2451.5-2.5
19:350.42442.1-3.450.4442.1-3.5
19:340.09436.1-4.450.1436.1-4.5
19:330.10446.2-4.560.1446.2-4.6
19:320.67459.7-4.390.7459.7-4.4
19:310.75461.5-3.650.7461.5-3.6
19:300.61464.4-2.610.6464.4-2.6
19:290.68461.3-2.670.7461.3-2.7
19:280.91445.1-2.650.9445.1-2.7
19:271.25436.2-1.461.3436.2-1.5
19:262.23471.6-0.462.2471.6-0.5
19:252.05467.3-0.302.1467.3-0.3
19:241.12446.40.801.1446.40.8
19:230.71451.7-0.370.7451.6-0.4
19:220.92448.2-1.740.9448.2-1.7
19:211.37457.1-0.971.4457.1-1.0
19:201.07465.80.031.1465.80.0
19:190.86444.10.390.9444.10.4
19:180.65435.70.150.7435.70.2
19:171.29453.0-0.101.3453.0-0.1
19:161.55466.90.111.5466.90.1
19:151.14446.00.071.1446.00.1
19:14--1.27--1.3
19:132.30462.41.682.3462.41.7
19:122.27456.82.352.3456.82.4
19:111.79454.02.201.8454.02.2
19:101.60455.82.061.6455.82.1
Built 2026-05-01 21:10 from source
Solar wind parameters of the latest hour by NOAA
parameterminmaxmean
IMF Bz [nT]-3.34.10.9
velocity [km/s]417.6486.8446.8
density [cm-3]0.63.41.8
Geomagnetic activity (RX [nT])
sitelatest hournext hour (RXmin, RXmax)
Kevo (KEV)1095207
Maasi (MAS)1145202
Kilpisjärvi (KIL)1224200
Ivalo (IVA)884178
Muonio (MUO)784166
Sodankylä (SOD)853127
Pello (PEL)723108
Oulujärvi (OUJ)22341
Mekrijärvi (MEK)15218
Hankasalmi (HAN)15225
Nurmijärvi (NUR)14225
Tartu (TAR)10220
low increasedmoderate high very high

Short explanation of the method

Data and licenses

AurorasNow! (Finnish Meteorological Institute)
Built 2026-05-01 21:02 from source
NAL | LYR | HOP | BJN | NOR | SOR | TRO | KEV | KIL | MEK | HAN | NUR | TAR
Issue Time: 2026-05-01 15:50 UTC
ALERT: Type II Radio Emission
Begin Time: 2026-05-01 15:35 UTC
Estimated Velocity: 593 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: 2026-04-30 23:59 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2026-04-30 23:59 UTC
Synoptic Period: 2100-2400 UTC

Active Warning: Yes
NOAA Scale: G1 - Minor
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.

Issue Time: 2026-04-30 23:11 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 5331
Valid From: 2026-04-30 20:05 UTC
Now Valid Until: 2026-05-01 15:00 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: 2026-04-30 23:09 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2026-04-30 23:09 UTC
Valid To: 2026-05-01 09:00 UTC
Warning Condition: Onset
NOAA Scale: G1 - Minor
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.

Issue Time: 2026-04-30 20:35 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2026-04-30 20:35 UTC
Synoptic Period: 1800-2100 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.

Issue Time: 2026-04-30 20:06 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026-04-30 20:05 UTC
Valid To: 2026-05-01 06:00 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.

Built 2026-05-01 15:52 from source