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Regions
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2045
2044
2042
2038
2037
2036
2035
2034

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Events

-
(<24h)
-
(<72h)
M7.3

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SC24
Top 10
Flares
-
01. X6.9
02. X5.4
03. X4.9
04. X3.3
05. X3.2
06. X2.8
07. X2.3
08. X2.2
09. X2.1
10. X2.1

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The Sun Today : Updated April 21, 2014

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Solar Flare Risk
M-Class: 55%
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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 | MAR. Solar Flux 149.9 | Sunspots 141.1 | Flare Max X1.0

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Updated 04/21/2014 @ 13:00 UTC
Subdued CME Impact
Ground based magnetometers detected a deviation in ground current Sunday morning at 10:57 UTC and this signaled the passage of an incoming coronal mass ejection (CME) past our planet. Solar wind speeds as measured by the ACE Spacecraft increased to above 700 km/s, the same speed originally predicted by the WSA-Enlil Solar Wind model. Periods of Minor (G1) geomagnetic storming was observed at high latitudes. Despite an elevated solar wind speed, the Bz component of the interplanetary magnetic field (IMF) failed to point south for a long duration, a condition that is known to suppress geomagnetic activity. Regardless of the weaker impact, sky watchers last night were able to view some nice aurora displays, including the one captured below by Brian Drourr in Vermont, USA.

Vermont Aurora - Brian Drourr

Added 04/21/2014 @ 14:15 UTC
Eruptive Limb
The Solar Dynamics Observatory (SDO) provided us with a front row seat to multiple eruptive events off the northwest limb during the past couple of days. This full disk inverted video using the 304 angstroms channel shows at least 5 eruptions off the limb (top right in video). A number of coronal mass ejections were seen leaving the area in coronagraph imagery, but were each directed away from our planet due to the non geoeffective position. Enjoy the show!

Updated 04/21/2014 @ 14:30 UTC
Solar Update
Good morning. Solar activity is currently at low levels with a number of minor C-Class flares observed around various regions, including 2036 and 2038. Region 2036, along with 2034 to the north, will begin to rotate onto the west limb during the next 36 hours. Both regions 2034 and 2036, along with 2035 and 2038, will remain a threat for an isolated M-Class event. All other visible regions, including 2044 and 2045 are mostly stable. Stay tuned to SolarHam.com for the latest information.

The Visible Solar Disk (Monday) - Click for Map


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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 2014 Apr 21 1230 UTC

.24 hr Summary...
Occasional low-level C-class flares kept activity at low levels. The
three most magnetically complex regions on the disk, Regions 2034, 2035
and 2036, each contributed low-level C-class events.

The largest event of the period was a C2/Sf flare at 20/1338 UTC from
Region 2035 (S15W52, Eki/beta-gamma). The region exhibited some
consolidation in the extreme northern portion of the region, but
otherwise was little changed. Region 2034 (N05W74, Eki/beta-gamma
produced a long duration C1 event at 21/0108 UTC. Some slight spot
development was observed in the intermediate portion of the region.
Region 2036 (S17W75, Esi/beta-gamma) produced three C1 events during the
period. Some intermediate spot decay was seen in the region.

The remainder of the spotted regions were little changed the past 24
hours. No new regions were numbered. No Earth-directed CMEs were
detected.

.Forecast...
C-class activity is expected to continue through the forecast period
keeping solar activity at predominately low levels for the next three
days (21-23 Apr). Further moderate (R1-minor) activity is likely on 21
Apr with a slight chance for high levels (R3-strong) before diminishing
to only a chance for R1-minor activity for 22-23 Apr as the large,
complex regions exit around the west limb.


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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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