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Flares
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01. X9.3
02. X8.2
03. X6.9
04. X5.4
05. X4.9
06. X3.3
07. X3.2
08. X3.1
09. X2.8
10. X2.7

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The Sun Today : Updated October 22, 2018

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SOLAR FLUX  |  SOLAR REPORTS  |  ALERTS

 Data provided by N0NBH
Solar Flare Risk
M-Class: 01%
X-Class: 01%

Active Watches
Geomag. Storm    NO
Radiation Storm    NO

Solar X-Rays:
Status
Geomagnetic Field:
Status

3-Day Geomagnetic Forecast [Details]
October 22
October 23
October 24
2-3 (G0)
Max Kp
2-3 (G0)
Max Kp
3 (G0)
Max Kp
Prob-M 01%
Prob-H 20%
Prob-M 01%
Prob-H 20%
Prob-M 05%
Prob-H 30%

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  AVERAGES | AUG. Solar Flux 69.1 | Sunspots 10.0 | Flare Max -

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[GOES-13] SXI

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[Lasco] C2 >>
Latest Space Weather News and Updates
October 13, 2018 @ 19:10 UTC
Minor (G1) Geomagnetic Storm
An enhanced solar wind stream containing periods of southward Bz has stirred up minor (G1) geomagnetic storming at higher latitudes on Saturday (Oct 13). Sky watchers should be alert for visible aurora once dark outside.

ALERT: Geomagnetic K-index of 5
Threshold Reached: 2018 Oct 13 1756 UTC
Synoptic Period: 1500-1800 UTC
Active Warning: Yes
NOAA Scale: G1 - Minor

October 7, 2018 @ 14:30 UTC
Coronal Hole Stream Update / Aurora Watch
The anticipated coronal hole stream is now beginning to move past Earth. At the time of this update, the Bz component of the interplanetary magnetic field (IMF) is pointing sharply south (-12nT) and this could help the chances for a geomagnetic storm. A moderate (G2) storm watch will be in effect for the next 24 hours. Aurora chasers should be alert once dark outside tonight.

UPDATE: The minor (G1) geomagnetic storm threshold was reached today at 16:22 UTC (Oct 7).

October 6, 2018 @ 12:30 UTC
Moderate (G2) Geomagnetic Storm Watch
Large Coronal Hole #34 is now facing Earth. A high speed solar wind stream flowing from the opening in the sun's atmosphere is expected to reach Earth by October 7th and could generate Moderate (G2) geomagnetic storming. Sky watchers at high latitudes should be alert for visible aurora later this weekend.


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Prepared jointly by the U.S. Dept. of Commerce, NOAA,
Space Weather Prediction Center.
UPDATED 2018 October 22 0030 UTC

.24 hr Summary...
Solar activity was very low. The solar disk was spotless. There were no
Earth-directed CMEs observed in available satellite imagery.

.Forecast...
Solar activity is expected to be very low on 22-24 Oct.

[Report of Solar-Geophysical Activity]

NOAA SUNSPOT SUMMARY | SolarHam Sunspot Summary

A - Alpha (single polarity spot).
B - Beta (bipolar spot configuration).
G - Gamma (atypical mixture of polarities).
BG - Beta-Gamma (mixture of polarities in a dominantly bipolar configuration).
D - Delta (opposite polarity umbrae within single penumbra).
BD - Beta with a Delta configuration.
BGD - Beta-Gamma with a Delta configuration.

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