Wednesday, July 11, 2012

latest Solar storm news and solar flare activity july 11 2012

Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 193 Issued at 2200Z on 11 Jul 2012

IA.  Analysis of Solar Active Regions and Activity from  10/2100Z
to 11/2100Z:  Solar activity was low.  Regions 1519 (S15W18), 1520
(S17E06) and 1521 (S22W07) all produced C-class flares during the
period.  The largest event was a C9/1n at 11/0831Z from Region 1521.
Region 1520 indicated consolidation and rotation in its trailer
spots while developing additional sheer.  The region remained a
complex beta-gamma-delta magnetic configuration.  During the past 24
hours, Region 1521 elongated along its E/W axis and developed a
gamma configuration in its trailer spots.  The region is now
classified as an E-type beta-gamma group.  A 20 degree long filament
erupted in the NE quadrant of the disk at about 11/0930Z.  The
eruption occurred along a channel centered near N22E22.  Limited
LASCO imagery hinted at a possible CME that lifted off the NNE limb
likely associated with the filament eruption.  Further analysis of
this CME is ongoing.

IB.  Solar Activity Forecast:  Solar activity is expected to be
moderate with a slight chance for X-class events for the next three
days (12 - 14 July).

IIA.  Geophysical Activity Summary 10/2100Z to 11/2100Z:
The geomagnetic field was at predominately quiet to unsettled levels
with isolated high latitude minor to major storm intervals from
11/0600 - 1200Z.  ACE solar data indicated wind velocities remained
steady at about 500 km/s while the Bz component of the
interplanetary magnetic field did not vary much beyond +/- 5 nT. The
greater than 2 MeV electron flux at geosynchronous orbit reached
high levels during the period.

IIB.  Geophysical Activity Forecast:  The geomagnetic field is
expected to be at mostly quiet to unsettled levels for the next
three days (12 - 14 July).