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01. X6.9
02. X5.4
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The Sun Today : Updated August 28, 2015

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M-Class: 60%
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Geomag. Storm    YES
Radiation Storm    NO

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3-Day Geomagnetic Forecast [Details]
August 29
August 30
August 31
5 (G1)
Max Kp
4 (G0)
Max Kp
3 (G0)
Max Kp
Prob-M 25%
Prob-H 60%
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SolarHam is a website all about the Sun and how it affects Earth. It is also an Amateur (Ham) Radio website.

SolarHam is routinely updated with breaking news, sometimes hours before other Space News websites. You can trust SolarHam.com for the most up to date and accurate solar information on the internet.

SolarHam.com launched on March 15, 2006. The purpose of the website is to provide real time solar news, as well as data from various sources, all located in one spot for easy navigation. Sources include,

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  AVERAGES | JULY Solar Flux 107.0 | Sunspots 68.4 | Flare Max M1.7

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August 28, 2015 @ 16:55 UTC (UPDATED)
Solar Update / M2.2 Flare / More Storming
Good morning. Attached image below courtesy of the Solar Dynamics Observatory (SDO) using the 131 angstroms channel captures an M2.2 solar flare that was detected around sunspot 2403 at 13:16 UTC (Aug 28). The active region is now set to rotate onto the west limb and future eruptions will likely be directed away from our planet. More updates regarding this particular flare to follow if required.

Geomagnetic activity is now at quieter levels on Friday morning following a prolonged period of Kp4 to Kp6 levels due to a primarily south pointing Bz. Visible aurora was reported across many locations from Scandinavia, USA, Canada and Alaska. Additional storming will remain possible during the next 24 hours depending on the dynamics of the solar wind. Stay tuned to SolarHam.com for the latest information.

UPDATE @ 16:55 UTC: The Bz is again pointing sharply south (-15nT). A geomagnetic storm is once again underway at high latitudes.

M2.2 Solar Flare (August 28)

August 28, 2015 @ 03:30 UTC
Moderate Geomagnetic Storm
Minor (G1) to Moderate (G2) Geomagnetic Storming continues into Friday morning. The Bz component of the interplanetary magnetic field (IMF) continues to sustain a south pointing position which is helping to fuel the storm. Sky watchers should remain alert tonight.

August 26, 2015 @ 13:40 UTC
Geomagnetic Storming Continues / M2.9 Solar Flare
Minor (G1) to Moderate (G2) geomagnetic storming continues at high latitudes on Thursday. Prolonged periods of southward Bz carried past Earth via the solar wind is contributing to this occurrence. Visible aurora has been reported across many locations from Scandinavia, northern tier USA, Canada and Alaska. Sky watchers should remain alert if it is still dark outside.

In other news, a moderate M2.9 solar flare around region 2403 was detected at 05:44 UTC early Thursday morning. A noteworthy coronal mass ejection (CME) is unlikely from this particular event. Stay tuned to SolarHam.com for the latest information.

M2.9 Solar Flare (August 27)

Aurora From Hartford, Wisconsin - By Jake Stehli

Another nice image courtesy of Ari Kaarakainen from Myrskylä, Finland.

August 27, 2015 @ 04:00 UTC (UPDATED)
Geomagnetic Storm Warning
The Bz component of the interplanetary magnetic field (IMF) continues to point south. As expected, minor (G1) geomagnetic storming is being observed at higher latitudes. There is also a watch in effect for moderate (G2) storming. Sky watchers at high latitudes should be alert for visual aurora tonight.

UPDATE @ 04:00 UTC: The moderate G2 storm threshold has been reached. Visual aurora is likely across northern tier sections of the United States, Canada and Alaska.

ALERT: Geomagnetic K-index of 6
Threshold Reached: 2015 Aug 27 0339 UTC
Synoptic Period: 0300-0600 UTC
Active Warning: Yes
NOAA Scale: G2 - Moderate

July 1, 2015 @ 13:30 UTC
SolarHam Fundraising Complete
Thanks to 302 kind individuals and a late surge of amazing support, I can officially announce that SolarHam.com is 100% funded until 2017. I appreciate your ongoing support and am happy to continue dedicating my time to running the website. During the next few days, I will finish confirming the contest entries through E-Mail and will announce a draw date as soon as that is completed. Some T-Shirts are now in stock and will begin shipping soon. Coffee Mugs will be ordered once I finish confirming the quantities required, likely by next week. Thanks again!


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REPORTS AND FORECAST | 30 Day DSD | Data Warehouse


Prepared jointly by the U.S. Dept. of Commerce, NOAA,
Space Weather Prediction Center and the U.S. Air Force.
UPDATED 2015 August 29 0030 UTC

.24 hr Summary...
Solar activity was moderate. Region 2403 (S15W69, Fkc/beta-gamma-delta)
produced a pair of M-class flares, an M2/1f flare at 28/1316 UTC and an
M2/1n at 28/1903 UTC. The region also produced several C-class flares
throughout the period. Region 2405 (S23E35, Bxo/beta) decayed slightly
during the past 24 hours but produced a C1 flare at 28/2139 UTC.

A CME was observed in LASCO C2 imagery beginning at 28/0636 UTC
associated with a small filament eruption near Region 2403. The CME
appears to be directed mostly west of the Sun-Earth line. A subsequent
WSA-Enlil model run confirmed that this CME does not have an
Earth-directed component.

.Forecast...
Solar activity is expected to be low with M-class (R1-Minor) flares
likely and a slight chance for X-class (R3-Strong) activity on days one
and two (29-30 Aug). Activity is expected to remain low with only a
chance for M-class flares on day three (31 Aug) as 2403 rotates around
the west limb.

[Full Report and Forecasts]
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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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