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Time
UTC		DSCOVRACE
Solar WindGSMSolar WindGSM
Proton DensityBulk SpeedBzProton DensityBulk SpeedBz
06:28------
06:27------
06:26---4.0464.1-5.2
06:2511.16454.10.914.2456.4-4.0
06:2411.24456.10.974.1449.5-1.8
06:2311.33455.02.874.0447.7-0.1
06:2210.95454.62.764.2450.12.0
06:2110.93453.93.974.1446.22.0
06:2010.47455.23.834.3452.22.4
06:199.67461.44.794.6450.61.8
06:1810.57456.63.514.1457.42.7
06:1710.58453.52.853.8457.23.2
06:1610.84456.52.433.6462.13.9
06:1510.41455.52.663.8464.83.8
06:1411.09459.11.233.8464.03.9
06:1310.45467.9-1.783.6462.82.8
06:1210.39479.6-3.033.6468.50.9
06:1110.53494.0-4.003.9477.9-2.5
06:1011.57460.8-1.354.7473.3-3.2
06:0911.50459.2-1.643.7479.2-2.9
06:0810.75462.3-2.363.7477.5-4.3
06:0710.22469.5-2.564.4472.3-3.6
06:0611.20473.8-3.274.0474.1-1.5
06:059.34477.6-4.494.0--4.3
06:0410.03469.8-4.242.7468.2-6.3
06:039.82463.0-5.002.9462.6-6.3
06:029.44467.8-5.902.9464.3-5.7
06:019.51471.1-5.762.9469.1-5.3
06:0010.92469.8-1.443.6477.9-3.9
05:5910.97468.5-1.393.6479.6-2.0
05:5810.63472.6-1.783.7477.0-2.1
05:5710.95469.1-1.963.9474.8-2.3
05:5610.05471.9-2.083.6475.5-2.3
05:5511.59467.0-1.743.6478.4-2.2
05:5410.70462.4-1.344.0474.4-2.0
05:5311.76466.6-1.434.2472.9-1.8
05:5210.34465.0-0.813.9470.2-1.7
05:5110.64468.20.693.7471.8-0.5
05:5010.29474.5-1.313.6472.0-1.1
05:4911.32468.8-1.403.8470.4-1.6
05:4811.47464.9-1.783.8467.0-1.8
05:4710.46460.9-1.183.7469.3-1.7
05:4610.60461.5-1.223.8467.1-1.4
05:4510.03463.2-1.253.8466.4-1.6
05:4410.09465.4-1.053.9467.3-1.6
05:4311.71465.7-0.774.3467.3-1.3
05:4210.82461.4-0.864.6468.4-1.1
05:4110.03462.6-0.694.5471.1-0.8
05:4010.16463.9-0.904.5473.2-1.0
05:399.48472.0-0.234.5473.2-1.0
05:3811.38470.8-0.154.6470.7-0.3
05:3710.72462.90.014.4472.1-0.2
05:369.89464.50.594.5476.4-0.2
05:3511.74465.60.424.0476.30.6
05:3410.21463.00.504.8470.50.9
05:3310.61462.70.944.7472.41.1
05:3210.23462.13.064.7472.52.5
05:319.94462.72.093.9471.11.8
05:309.66464.22.223.7472.01.6
05:2910.57463.32.104.2470.91.1
05:2810.33467.10.844.3470.62.3
05:279.70467.80.524.4470.52.0
05:2610.26475.9-0.844.0470.21.2
05:2511.77467.1-1.313.5469.7-1.3
05:249.67463.01.144.0467.4-1.4
05:238.78460.93.894.6464.13.1
05:227.69462.43.394.7464.74.0
05:218.22452.13.024.2467.03.7
05:209.89457.93.224.3466.43.4
05:199.13458.92.364.1470.52.6
05:187.80464.12.374.5470.72.7
05:177.60458.82.303.9475.12.1
05:168.78462.81.513.7472.9-1.0
05:1510.41482.1-0.903.6474.4-0.9
05:1410.94476.1-0.604.1473.9-0.4
05:1310.61475.30.754.1473.30.8
05:1210.79477.1-0.054.0474.8-0.0
05:1110.41479.0-0.323.8476.2-0.5
05:1011.06474.20.003.9476.10.4
05:0911.72469.90.293.9475.2-0.3
05:089.45469.30.123.8476.0-0.1
05:078.40482.0-0.323.8477.1-0.3
05:069.81469.4-0.423.9473.8-0.5
05:058.57473.4-0.363.9472.7-0.5
05:0412.18470.2-0.683.5477.9-1.2
05:039.77468.5-0.753.7480.0-1.6
05:028.24469.5-0.074.1477.6-0.6
05:019.49481.6-0.293.6475.7-0.4
05:008.99469.6-1.134.3473.50.2
04:598.93469.2-1.40--0.5
04:589.55464.8-0.82--0.6
04:579.94463.6-0.623.9481.60.3
04:5610.00463.7-0.363.6480.6-1.4
04:559.27466.60.653.5477.8-0.7
04:548.83465.41.533.9476.5-0.5
04:538.39474.50.664.0476.6-0.2
04:5210.30469.6-0.833.6477.0-1.0
04:519.72468.1-0.783.8475.6-1.2
04:509.45469.9-1.114.2473.5-1.1
04:4911.80468.7-1.213.9474.8-1.6
04:489.01469.1-1.413.5476.9-1.7
04:478.80468.8-1.773.4483.7-2.0
04:469.40469.8-1.793.9476.4-2.1
04:4511.02473.2-1.634.2478.6-1.9
04:449.71466.1-2.023.8474.1-2.2
04:4310.05463.8-2.063.3476.9-2.9
04:4210.02465.7-2.963.8472.0-3.6
04:419.16465.9-3.134.2470.5-2.4
04:409.10463.4-2.754.3468.3-3.3
04:398.58465.7-2.294.2468.9-3.0
04:388.86466.1-1.484.3468.5-2.2
04:3710.14466.0-1.144.6465.5-2.6
04:368.77465.2-1.475.0463.4-0.4
04:358.30465.5-2.305.3462.51.2
04:347.65464.4-1.315.4462.62.4
04:337.21466.1-1.205.6459.24.1
04:326.63453.22.535.3459.14.0
04:316.60451.91.905.6455.62.3
04:307.87462.21.255.8456.32.1
04:297.94450.91.086.1454.01.7
Built 2021-09-24 06:29 from source
Solar wind parameters of the latest hour by NOAA
parameterminmaxmean
IMF Bz [nT]-5.93.9-0.6
velocity [km/s]452.1494.0466.8
density [cm-3]7.611.810.3
Geomagnetic activity (RX [nT])
sitelatest hournext hour (RXmin, RXmax)
Kevo (KEV)29794
Maasi (MAS)29889
Kilpisjärvi (KIL)368103
Ivalo (IVA)28670
Muonio (MUO)26671
Sodankylä (SOD)24659
Pello (PEL)23656
Oulujärvi (OUJ)15634
Mekrijärvi (MEK)10420
Hankasalmi (HAN)9424
Nurmijärvi (NUR)11524
Tartu (TAR)-419
low increasedmoderate high very high

Short explanation of the method

AurorasNow! (Finnish Meteorological Institute)
Built 2021-09-24 06:17 from source
NAL | LYR | HOP | BJN | NOR | SOR | TRO | KEV | KIL | MEK | HAN | NUR | TAR
Issue Time: 2021-09-23 17:08 UTC
WATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day
Sep 24: None (Below G1) Sep 25: None (Below G1) Sep 26: G1 (Minor)
THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
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: 2021-09-23 08:12 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2021-09-23 08:12 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: 2021-09-23 08:10 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2021-09-23 08:05 UTC
Valid To: 2021-09-23 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: 2021-09-23 05:21 UTC
ALERT: Type IV Radio Emission
Begin Time: 2021-09-23 04:54 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.

Issue Time: 2021-09-23 05:10 UTC
ALERT: Type II Radio Emission
Begin Time: 2021-09-23 04:44 UTC
Estimated Velocity: 966 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: 2021-09-22 08:43 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2021-09-22 08:40 UTC
Valid To: 2021-09-22 12:00 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: 2021-09-22 08:28 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3934
Valid From: 2021-09-21 22:23 UTC
Now Valid Until: 2021-09-22 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: 2021-09-22 02:59 UTC
ALERT: Geomagnetic K-index of 4
Threshold Reached: 2021-09-22 02:59 UTC
Synoptic Period: 0000-0300 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: 2021-09-21 22:24 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2021-09-21 22:23 UTC
Valid To: 2021-09-22 09:00 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 2021-09-23 17:10 from source
 
 
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