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Time
UTC
DSCOVRACE
Solar WindGSMSolar WindGSM
Proton DensityBulk SpeedBzProton DensityBulk SpeedBz
04:53------
04:52------
04:51------
04:50---3.26---
04:4912.48469.3-5.28---
04:4812.46475.5-4.92---
04:4712.34478.2-5.03---
04:4612.73481.1-2.23---
04:4512.47475.0-4.54---
04:4412.60469.0-6.26---
04:4312.40456.0-8.53---
04:4212.81462.0-8.61---
04:4111.83465.7-9.10---
04:4011.52467.6-9.55---
04:3911.99465.2-9.46---
04:3811.20470.1-9.80---
04:3710.71470.8-9.43---
04:3610.60470.7-9.36---
04:3510.52470.8-9.43---
04:3410.46474.2-9.37---
04:3310.69470.8-9.35---
04:3210.38465.1-9.49---
04:3110.55470.2-9.67---
04:3010.79471.6-9.71---
04:2910.71474.4-9.86---
04:289.97479.2-9.70---
04:279.23486.8-10.21---
04:269.52484.2-10.25---
04:2510.01480.4-9.68---
04:2410.32478.3-9.62---
04:239.69483.6-9.05---
04:229.39482.7-9.07---
04:219.12485.6-9.08---
04:208.92485.7-8.82---
04:199.42477.8-8.59---
04:189.94479.5-8.76---
04:1710.03478.4-8.89---
04:1611.41465.6-8.35---
04:1511.89466.5-7.95---
04:1410.89471.1-7.87---
04:1310.86471.0-8.02---
04:1210.57476.2-8.33---
04:1110.13477.0-8.54---
04:109.37464.1-9.42---
04:099.09467.0-9.79---
04:089.44469.2-9.72---
04:079.71476.5-9.82---
04:069.75473.3-9.86---
04:059.59471.5-9.14---
04:047.17459.7-9.38---
04:037.76458.9-9.37---
04:029.53473.5-9.37---
04:018.87472.6-9.34---
04:008.24478.6-8.92---
03:598.21478.6-8.78---
03:588.63479.3-8.57---
03:578.17486.5-8.76---
03:569.46488.3-8.87---
03:5510.15497.9-9.11---
03:5410.02497.8-9.04---
03:539.92498.7-9.10---
03:529.89498.2-9.17---
03:519.88496.6-9.22---
03:508.22483.0-9.29---
03:498.34491.7-9.30---
03:487.21487.0-9.23---
03:479.63492.9-9.13---
03:4610.24492.2-9.10---
03:459.35501.5-9.16---
03:449.48502.6-9.46---
03:4310.10497.1-9.57---
03:429.11503.5-9.46---
03:418.45508.9-9.26---
03:407.56515.6-9.12---
03:397.52515.9-9.06---
03:387.53516.2-8.84---
03:377.73514.7-8.79---
03:367.74516.0-8.54---
03:357.62515.1-7.87---
03:347.70515.0-8.12---
03:337.55515.5-8.73---
03:327.72515.4-8.66---
03:317.70515.1-8.88---
03:308.35505.0-8.61---
03:2910.73494.1-9.20---
03:2810.69495.3-8.96---
03:279.24487.3-8.75---
03:266.91480.9-8.28---
03:257.05486.0-7.92---
03:245.82490.5-8.39---
03:236.74475.2-7.54---
03:228.82474.8-9.52---
03:218.51480.8-10.31---
03:208.76481.5-10.66---
03:198.93483.1-10.90---
03:188.76478.6-10.88---
03:178.26478.9-10.65---
03:168.31477.6-10.50---
03:159.25474.6-10.16---
03:149.22484.4-9.93---
03:138.10478.0-9.42---
03:127.50482.8-9.32---
03:118.90478.4-9.55---
03:107.51483.5-9.79---
03:097.02492.0-9.69---
03:086.64493.3-9.69---
03:077.53487.7-9.26---
03:067.37486.6-9.25---
03:056.63494.8-9.51---
03:047.60488.7-9.51---
03:037.76520.9-10.00---
03:026.19507.0-10.07---
03:017.86518.4-9.87---
03:007.37503.7-8.47---
02:597.35502.9-4.51---
02:587.23500.0-2.68---
02:577.93491.1-3.88---
02:568.12481.2-2.39---
02:558.04491.7-3.21---
02:546.99487.6-2.68---
Built 2025-03-19 04:54 from source
Solar wind parameters of the latest hour by NOAA
parameterminmaxmean
IMF Bz [nT]-10.2-7.9-9.2
velocity [km/s]458.9503.5479.3
density [cm-3]7.212.09.8
Geomagnetic activity (RX [nT])
sitelatest hournext hour (RXmin, RXmax)
Kevo (KEV)220117436
Maasi (MAS)256112461
Kilpisjärvi (KIL)272106535
Ivalo (IVA)280101377
Muonio (MUO)28673591
Sodankylä (SOD)26968577
Pello (PEL)22858434
Oulujärvi (OUJ)7531340
Mekrijärvi (MEK)29734
Hankasalmi (HAN)-23129
Nurmijärvi (NUR)2023106
Tartu (TAR)201662
low increasedmoderate high very high

Short explanation of the method

Data and licenses

AurorasNow! (Finnish Meteorological Institute)
Built 2025-03-19 04:47 from source
Issue Time: 2025-03-18 23:52 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4877
Valid From: 2025-03-17 03:45 UTC
Now Valid Until: 2025-03-19 06:00 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: 2025-03-18 07:34 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3437
Begin Time: 2025-03-10 11:50 UTC
Yesterday Maximum 2MeV Flux: 6680 pfu

Issue Time: 2025-03-18 05:56 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4876
Valid From: 2025-03-17 03:45 UTC
Now Valid Until: 2025-03-18 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: 2025-03-17 21:02 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2025-03-17 20:59 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: 2025-03-17 20:54 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4875
Valid From: 2025-03-17 03:45 UTC
Now Valid Until: 2025-03-18 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.

Issue Time: 2025-03-17 14:48 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 4874
Valid From: 2025-03-17 03:45 UTC
Now Valid Until: 2025-03-17 21:00 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: 2025-03-17 05:21 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3436
Begin Time: 2025-03-10 11:50 UTC
Yesterday Maximum 2MeV Flux: 5055 pfu

Issue Time: 2025-03-17 03:48 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2025-03-17 03:45 UTC
Valid To: 2025-03-17 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: 2025-03-16 14:48 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2025-03-16 14:47 UTC
Valid To: 2025-03-17 03:00 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: 2025-03-16 07:37 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 3435
Begin Time: 2025-03-10 11:50 UTC
Yesterday Maximum 2MeV Flux: 4951 pfu

Built 2025-03-19 04:46 from source