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Time
UTC		DSCOVRACE
Solar WindGSMSolar WindGSM
Proton DensityBulk SpeedBzProton DensityBulk SpeedBz
09:21------
09:20------
09:19------
09:1817.48457.011.94---
09:1717.28451.511.59---
09:1617.34441.510.68---
09:1518.78444.210.24---
09:1420.32451.910.74---
09:1314.36460.511.02---
09:1212.49443.311.26---
09:1111.94454.612.02---
09:109.49460.311.09---
09:099.70417.59.29---
09:0812.83434.110.04---
09:0716.14449.310.3116.1449.310.3
09:0613.27454.19.8713.3454.19.9
09:0510.00431.99.4410.0431.99.4
09:049.56429.510.959.6429.511.0
09:039.96449.211.0310.0449.211.0
09:028.77445.211.158.8445.211.2
09:016.92433.211.486.6432.211.5
09:007.65444.210.747.3443.310.7
08:597.54440.210.559.6449.110.5
08:5811.53449.611.5411.5449.611.5
08:5710.19412.010.6010.2412.010.6
08:5611.41439.411.2011.4439.411.2
08:5513.41447.710.7913.4447.710.8
08:5411.58422.710.4111.6422.710.4
08:5310.99440.510.4211.0440.510.4
08:5211.01441.311.3111.0441.311.3
08:5110.76449.611.3210.8449.611.3
08:5011.36434.011.5711.4434.011.6
08:4911.42431.411.8611.4431.411.9
08:4810.34412.611.8310.3412.611.8
08:479.52387.111.169.5387.111.2
08:4616.02447.611.2316.0447.611.2
08:4515.21444.911.4315.2444.911.4
08:4413.57443.111.4413.6443.111.4
08:4313.90449.611.3013.9449.611.3
08:4211.91412.611.1411.9412.611.1
08:4116.25449.811.6216.3449.811.6
08:4014.19440.611.7814.2440.611.8
08:3910.55416.611.2610.5416.611.3
08:3817.71446.011.5017.7446.011.5
08:3717.93449.411.4217.9449.411.4
08:3616.07442.011.3516.1442.011.3
08:3514.98417.611.5515.0417.611.5
08:3415.65432.010.8115.7432.010.8
08:3317.47450.610.6917.5450.610.7
08:3216.49435.710.6516.5435.710.6
08:318.23417.19.9418.6443.39.9
08:3019.96451.49.4720.0451.49.5
08:2919.15456.69.4819.2456.69.5
08:2818.17434.58.0918.2434.58.1
08:2718.56408.88.1018.6408.88.1
08:2619.67441.08.5319.7441.08.5
08:2521.97458.69.0522.0458.69.0
08:2419.73442.79.3219.7442.79.3
08:2320.19440.38.6920.2440.38.7
08:2224.80449.97.7824.8449.97.8
08:2121.70451.18.4821.7451.18.5
08:2021.14441.08.4021.1441.08.4
08:1921.51441.78.9721.5441.79.0
08:1824.26445.59.6724.3445.59.7
08:1722.55445.59.7222.5445.59.7
08:1619.82443.29.7319.8443.29.7
08:1520.98456.29.6821.0456.29.7
08:1422.84475.19.8522.8475.19.8
08:1315.60443.110.1415.6443.110.1
08:1217.06444.710.0817.1444.710.1
08:1122.53450.48.4422.5450.48.4
08:1025.64452.27.0325.6452.27.0
08:0923.17446.06.8423.2446.06.8
08:0822.56443.66.3822.6443.66.4
08:0723.74455.36.3623.7455.36.4
08:0619.95460.17.5419.9460.17.5
08:0511.39426.610.0411.4426.610.0
08:0416.02443.610.1016.0443.610.1
08:0321.23457.010.1721.2457.010.2
08:02--10.40--10.4
08:0113.38449.710.3813.4449.710.4
08:0012.95455.311.7413.0455.311.7
07:5913.37461.412.3013.4461.412.3
07:5812.10442.612.5612.1442.612.6
07:5710.68420.312.2110.7420.312.2
07:5613.20447.312.4213.2447.312.4
07:5516.69454.311.8216.7454.311.8
07:5417.30466.311.5417.3466.311.5
07:5318.53432.711.8218.5432.711.8
07:5218.52446.011.4018.5446.011.4
07:5119.68468.111.5419.7468.111.5
07:5019.51415.611.3219.5415.611.3
07:4915.29437.310.8515.3437.310.8
07:4813.68440.78.8813.7440.78.9
07:4712.56456.78.2612.6456.78.3
07:468.26424.110.228.3424.110.2
07:459.00422.46.469.0422.46.5
07:4411.12441.93.3711.1441.93.4
07:437.62428.83.407.6428.83.4
07:426.38425.13.306.4425.13.3
07:4111.76455.73.2211.8455.73.2
07:408.22450.52.628.2450.52.6
07:397.86441.41.707.9441.41.7
07:386.58399.81.406.6399.81.4
07:3711.43435.01.3911.4435.01.4
07:3610.46423.81.6010.5423.81.6
07:354.76401.31.014.8401.31.0
07:349.29431.50.859.3431.50.9
07:339.33436.8-0.099.3436.8-0.1
07:328.34438.6-1.318.3438.6-1.3
07:315.87416.0-1.485.8412.8-1.5
07:307.14423.8-2.117.1423.8-2.1
07:298.97440.1-2.299.0440.1-2.3
07:288.39435.1-2.888.4435.1-2.9
07:276.70419.0-3.386.7419.0-3.4
07:266.83421.3-3.146.8421.3-3.1
07:257.96437.3-3.448.0437.3-3.4
07:246.07423.7-5.436.1423.7-5.4
07:235.52407.8-5.945.5407.8-5.9
07:228.99438.5-5.559.0438.5-5.6
Built 2026-03-20 09:22 from source
Solar wind parameters of the latest hour by NOAA
parameterminmaxmean
IMF Bz [nT]7.812.010.4
velocity [km/s]387.1460.5439.3
density [cm-3]6.924.814.7
Geomagnetic activity (RX [nT])
sitelatest hournext hour (RXmin, RXmax)
Kevo (KEV)61650
Maasi (MAS)68549
Kilpisjärvi (KIL)64855
Ivalo (IVA)52854
Muonio (MUO)56743
Sodankylä (SOD)50739
Pello (PEL)47739
Oulujärvi (OUJ)38633
Mekrijärvi (MEK)28427
Hankasalmi (HAN)29519
Nurmijärvi (NUR)30527
Tartu (TAR)24616
low increasedmoderate high very high

Short explanation of the method

Data and licenses

AurorasNow! (Finnish Meteorological Institute)
Built 2026-03-20 09:17 from source
NAL | LYR | HOP | BJN | NOR | SOR | TRO | KEV | KIL | MEK | HAN | NUR | TAR
Issue Time: 2026-03-20 08:54 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2026-03-20 08:54 UTC
Synoptic Period: 0600-0900 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: 2026-03-20 07:18 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2026-03-20 07:19 UTC
Valid To: 2026-03-20 15:00 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: 2026-03-19 04:59 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3650
Begin Time: 2026-03-15 16:30 UTC
Yesterday Maximum 2MeV Flux: 2949 pfu

Issue Time: 2026-03-18 21:14 UTC
WATCH: Geomagnetic Storm Category G2 Predicted
Highest Storm Level Predicted by Day
Mar 19: G2 (Moderate) Mar 20: G2 (Moderate) Mar 21: G2 (Moderate)
THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.

Issue Time: 2026-03-18 09:03 UTC
SUMMARY: 10cm Radio Burst
Begin Time: 2026-03-18 08:33 UTC
Maximum Time: 2026-03-18 08:35 UTC
End Time: 2026-03-18 08:39 UTC
Duration: 6 minutes
Peak Flux: 229 sfu
Latest Penticton Noon Flux: 111 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: 2026-03-18 08:59 UTC
ALERT: Type II Radio Emission
Begin Time: 2026-03-18 08:40 UTC
Estimated Velocity: 866 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: 2026-03-18 04:59 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3649
Begin Time: 2026-03-15 16:30 UTC
Yesterday Maximum 2MeV Flux: 2233 pfu

Issue Time: 2026-03-17 18:36 UTC
WATCH: Geomagnetic Storm Category G2 Predicted
Highest Storm Level Predicted by Day
Mar 18: None (Below G1) Mar 19: G2 (Moderate) Mar 20: G1 (Minor)
THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
Comment: CME influences are likely on 19 Mar with any effects continuing, but weakening, into 20 Mar.
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
Radio - HF (high frequency) radio propagation can fade at higher latitudes.
Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.

Issue Time: 2026-03-17 14:03 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3648
Begin Time: 2026-03-15 16:30 UTC
Yesterday Maximum 2MeV Flux: 2213 pfu

Built 2026-03-20 08:57 from source