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SettingsLast update:
Time
UTC
DSCOVRACE
Solar WindGSMSolar WindGSM
Proton DensityBulk SpeedBzProton DensityBulk SpeedBz
05:55------
05:54------
05:53------
05:525.20476.5----
05:515.14477.4-0.12---
05:505.30477.1-0.16---
05:495.26477.5-0.15---
05:485.13476.40.04---
05:475.14476.30.46---
05:465.37476.61.18---
05:455.22478.11.31---
05:445.27481.31.67---
05:435.28481.01.59---
05:425.33484.71.71---
05:415.19481.51.45---
05:405.21477.31.04---
05:395.20478.70.79---
05:385.37480.40.59---
05:375.22478.70.88---
05:365.27479.21.00---
05:355.14479.20.76---
05:345.33476.30.54---
05:335.31477.40.42---
05:325.26477.10.43---
05:315.15477.60.30---
05:305.20477.00.43---
05:295.29476.30.39---
05:285.29476.30.44---
05:275.08480.90.42---
05:265.21478.70.42---
05:255.22479.00.48---
05:245.32475.80.46---
05:235.16477.00.46---
05:225.15476.80.49---
05:215.10478.00.43---
05:205.05478.00.40---
05:194.99478.60.35---
05:185.14478.70.32---
05:175.11481.50.06---
05:165.08481.20.14---
05:154.98479.6-0.20---
05:145.00478.6-0.08---
05:134.94478.00.07---
05:125.02478.20.27---
05:115.01478.20.08---
05:105.04479.10.29---
05:094.98480.80.46---
05:085.06484.40.23---
05:075.07480.40.27---
05:065.01477.70.39---
05:055.06479.00.16---
05:045.03481.90.01---
05:035.02482.70.15---
05:025.01480.70.10---
05:015.12480.1-0.06---
05:005.03483.90.04---
04:595.06483.4-0.06---
04:584.99483.7-0.11---
04:575.03482.7-0.05---
04:565.07483.10.05---
04:555.13483.60.27---
04:545.15481.30.18---
04:535.21480.30.03---
04:525.09481.9-0.17---
04:515.12481.6-0.11---
04:505.05479.9-0.09---
04:495.16479.3-0.10---
04:485.10481.0-0.22---
04:475.16479.9-0.20---
04:465.10481.1-0.25---
04:455.08481.6-0.30---
04:445.15482.6-0.30---
04:435.21477.7-0.38---
04:425.13482.1-0.49---
04:415.17478.3-0.48---
04:405.12479.5-0.49---
04:395.15482.6-0.38---
04:385.11482.5-0.34---
04:375.14479.0-0.47---
04:365.13480.2-0.42---
04:355.12482.7-0.32---
04:345.08483.0-0.37---
04:335.07483.2-0.42---
04:325.15483.2-0.28---
04:315.13484.2-0.38---
04:305.13483.4-0.36---
04:295.13482.6-0.25---
04:285.15481.90.04---
04:275.09478.8-0.33---
04:264.99479.0-0.48---
04:254.91483.2-1.00---
04:244.98480.4-0.95---
04:235.04478.8-0.83---
04:224.98479.0-0.57---
04:214.99480.0-0.98---
04:205.00478.1-0.62---
04:195.06477.5-0.40---
04:184.93477.5-0.18---
04:174.98477.1-0.11---
04:164.98477.3-0.33---
04:155.01478.1-0.69---
04:144.98476.9-0.45---
04:135.05476.5-0.30---
04:125.01476.9-0.50---
04:115.05475.70.13---
04:105.03476.7-0.18---
04:095.09478.7-0.28---
04:084.96481.5-0.19---
04:074.97477.6-0.14---
04:065.02476.60.33---
04:055.02477.20.06---
04:045.02476.50.33---
04:035.05476.70.88---
04:025.00476.20.12---
04:014.86485.9-0.24---
04:004.92485.6-0.27---
03:594.87485.6-0.28---
03:584.85486.3-0.34---
03:574.91480.4-0.09---
03:564.85481.0-0.60---
Built 2017-10-17 05:56 from source
Solar wind parameters of the latest hour by NOAA
parameterminmaxmean
IMF Bz [nT]-0.51.00.1
velocity [km/s]475.8484.4479.9
density [cm-3]4.95.35.1
Geomagnetic activity (RX [nT])
sitelatest hournext hour (RXmin, RXmax)
Kevo (KEV)88142
Masi (MAS)89141
Kilpisjärvi (KIL)78167
Ivalo (IVA)-7123
Muonio (MUO)57102
Sodankylä (SOD)7692
Pello (PEL)5687
Oulujärvi (OUJ)5544
Mekrijärvi (MEK)4321
Hankasalmi (HAN)4426
Nurmijärvi (NUR)5426
Tartu (TAR)4320
low increasedmoderate high very high

Short explanation of the method

AurorasNow! (Finnish Meteorological Institute)
Built 2017-10-17 05:47 from source

Log time
(UTC)
1h estimate 4h estimate USAF kp
kp predicted time kp predicted time
05:451.332017-10-17 06:451.332017-10-17 09:451.67
05:301.672017-10-17 06:301.672017-10-17 09:301.67
05:151.672017-10-17 06:151.672017-10-17 09:151.67
05:001.672017-10-17 06:001.672017-10-17 09:001.67
04:451.672017-10-17 05:451.672017-10-17 08:451.67
04:301.672017-10-17 05:301.672017-10-17 08:301.67
04:151.672017-10-17 05:151.672017-10-17 08:151.67
04:001.672017-10-17 05:001.672017-10-17 08:001.67
03:451.672017-10-17 04:451.672017-10-17 07:451.67
03:302.332017-10-17 04:302.002017-10-17 07:301.67
03:152.332017-10-17 04:152.002017-10-17 07:151.67
03:002.332017-10-17 04:002.332017-10-17 07:001.67
02:452.672017-10-17 03:452.332017-10-17 06:451.67
02:302.002017-10-17 03:302.002017-10-17 06:301.67
02:152.002017-10-17 03:152.002017-10-17 06:151.67
02:002.002017-10-17 03:002.002017-10-17 06:001.67
01:452.002017-10-17 02:452.332017-10-17 05:451.67
01:301.332017-10-17 02:301.672017-10-17 05:301.67
01:151.332017-10-17 02:151.672017-10-17 05:151.67
01:001.002017-10-17 02:001.332017-10-17 05:001.67
Built 2017-10-17 05:49 from source
Issue Time: 2017-10-17 05:00 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2684
Begin Time: 2017-10-12 13:50 UTC
Yesterday Maximum 2MeV Flux: 36945 pfu

Issue Time: 2017-10-16 05:00 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2683
Begin Time: 2017-10-12 13:50 UTC
Yesterday Maximum 2MeV Flux: 59298 pfu

Issue Time: 2017-10-15 15:01 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2017-10-15 14:59 UTC
Synoptic Period: 1200-1500 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: 2017-10-15 14:11 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2017-10-15 14:10 UTC
Valid To: 2017-10-15 21:00 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: 2017-10-15 14:11 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3346
Valid From: 2017-10-11 01:50 UTC
Now Valid Until: 2017-10-16 03:00 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: 2017-10-15 05:25 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3345
Valid From: 2017-10-11 01:50 UTC
Now Valid Until: 2017-10-15 21:00 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: 2017-10-15 05:13 UTC
WARNING: Geomagnetic K-Index of 6 expected
Valid From: 2017-10-15 05:13 UTC
Valid To: 2017-10-15 09:00 UTC
Warning Condition: Onset
NOAA Scale: G2 - Moderate
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: 2017-10-15 05:06 UTC
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2682
Begin Time: 2017-10-12 13:50 UTC
Yesterday Maximum 2MeV Flux: 32632 pfu

Issue Time: 2017-10-15 04:39 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2017-10-15 04:39 UTC
Synoptic Period: 0300-0600 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: 2017-10-15 04:31 UTC
WARNING: Geomagnetic K-index of 5 expected
Valid From: 2017-10-15 04:30 UTC
Valid To: 2017-10-15 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: 2017-10-14 14:32 UTC
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 3344
Valid From: 2017-10-11 01:50 UTC
Now Valid Until: 2017-10-15 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: 2017-10-14 14:32 UTC
EXTENDED WARNING: Geomagnetic K-index of 5 expected
Extension to Serial Number: 1423
Valid From: 2017-10-13 04:20 UTC
Now Valid Until: 2017-10-14 23:59 UTC
Warning Condition: Persistence
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: 2017-10-14 10:12 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2017-10-14 10:08 UTC
Synoptic Period: 0900-1200 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: 2017-10-14 09:01 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2017-10-14 08:59 UTC
Synoptic Period: 0600-0900 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.

Built 2017-10-17 05:26 from source