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


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The Sun Today : Updated April 26, 2017

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Solar Flare Risk
M-Class: 01%
X-Class: 01%

Active Watches
Geomag. Storm    YES
Radiation Storm    NO

Solar X-Rays:
Status
Geomagnetic Field:
Status

3-Day Geomagnetic Forecast [Details]
April 26
April 27
April 28
5 (G1)
Max Kp
4 (G0)
Max Kp
3 (G0)
Max Kp
Prob-M 25%
Prob-H 60%
Prob-M 05%
Prob-H 35%
Prob-M 05%
Prob-H 35%

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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.

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[GOES-13] SXI

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[Lasco] C2 >>
Latest Space Weather News and Updates
April 23, 2017 @ 23:20 UTC
Storming Continues
Good evening. The ongoing coronal hole stream remains high near 700 km/s and periods of geomagnetic storming could persist over the next few days. Sky watchers at higher latitudes should remain alert for visible aurora once dark outside. The beautiful image below was captured by Mayito Cardenas Heier from Alberta, Canada. Stay tuned to SolarHam.com for the latest spaceweather data and imagery.

More imagery by Ian Johnson and Todd List from Alaska. Thanks for sharing!

April 22, 2017 @ 08:40 UTC
Geomagnetic Storm Warning (UPDATED)
A moderate (G2) geomagnetic storm is currently in progress thanks to a high speed solar wind stream above 700 km/s. More storming is expected over the next several days as a coronal hole stream rattles our geomagnetic field. Sky watchers at middle to high latitudes should be alert for visible aurora during the next several nights.

Alaskan Aurora courtesy of Sandee Rice (Early Saturday)

EXTENDED WARNING: Geomagnetic K-Index of 6 expected
Valid From: 2017 Apr 22 2255 UTC
Now Valid Until: 2017 Apr 23 1500 UTC
Warning Condition: Persistence

April 21, 2017 @ 02:40 UTC
Large Coronal Hole Returns / G2 Storm Watch
A large recurrent coronal hole last seen in March will become geoeffective beginning April 23rd. A moderate (G2) geomagnetic storm watch was added and high latitude sky watchers may be in for an aurora treat once an expected solar wind stream arrives past Earth. More updates in the days ahead. As always, stay tuned to SolarHam.com where you will find the most up to date information.


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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.
UPDATED 2017 April 26 0030 UTC

.24 hr Summary...
Solar activity was very low. There were three numbered sunspot regions
on the visible disk. Region 2652 (N13W13, Axx/alpha) and Region 2653
(S11E21, Hax/alpha) were mostly stable and inactive. Region 2651
(N11W23, Hsx/alpha) exhibited signs of slight decay, but did have a B7
flare originate from nearby. No Earth-directed CMEs were observed in
available coronagraph imagery.

.Forecast...
Solar activity is expected to be very low with a chance for C-class
flare activity over the next three days (26-28 Apr).

[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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