Viewing archive of tisdag, 13 juli 2004
Solaktivitetsrapport
Any mentioned solar flare in this report has a scaling factor applied by the Space Weather Prediction Center (SWPC). Because of the SWPC scaling factor, solar flares are reported as 42% smaller than for the science quality data. The scaling factor has been removed from our archived solar flare data to reflect the true physical units.
Rapport för sol- och geofysisk aktivitet 2004 Jul 13 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 195 publicerat klockan 2200Z på 13 Jul 2004IA. Analys av solfläcksgrupper och solaktivitet från 12-2100Z till 13-2100Z Solar activity was high. Region 646 (N13W60) emerged
rapidly during the past 24 hours and produced three major flares: an
M6 at 0017 UTC, an M5/1n at 0848 UTC, and an M6/1b at 1932 UTC.
CME's were observed in association with the first and second major
flares which were technically classified as halo events, although
the majority of the mass erupted off the northwest limb. Region 646
grew from 70 to 220 millionths and has some magnetic complexity
along a northeast-to-southwest inversion line. Region 649 (S10E64)
is the largest group on the disk with an area of 350 millionths. The
region produced numerous C-class events as well as two M-class
flares: an M2 at 1208 UTC and an M1/Sf at 1838 UTC.
IB. Prognos för solaktivitet
Solar activity is expected to be
mostly moderate, with Region 646 and 649 the most likely sources for
activity. There is a fair chance for continued major flare activity,
particularly out of Region 646.
IIA. Sammanfattning av geofysisk aktivitet 12-2100Z till 13-2100Z
The geomagnetic field ranged from quiet to active levels during the
past 24 hours. Solar wind data countinue to show that the earth is
under the influence of a high-speed stream driven by a coronal hole
(with typical speeds today between 500 to 600 km/s). There was an
enhancement of greater than 10 MeV protons, which began around 0100
UTC and reached maximum values of about 1 PFU.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be mostly unsettled for the next three days. Unsettled
with some active periods at high latitudes is expected on the third
day as a possible response to a glancing blow from one or the other
of today's CMEs.
III. Chans för solutbrott från 14 Jul till 16 Jul
| M-klass | 75% | 75% | 75% |
| X-klass | 15% | 15% | 15% |
| Proton | 15% | 15% | 15% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 13 Jul 127 Prognoserat 14 Jul-16 Jul 135/140/140 90 Day Mean 13 Jul 098
V. Geomagnetiskt A-index
Observerad Afr/Ap 12 Jul 012/013 Förväntat Afr/Ap 13 Jul 012/015 Prognoserat Afr/Ap 14 Jul-16 Jul 010/012-010/012-012/020
VI. Chanser för geomagnetisk aktivitet från 14 Jul till 16 Jul
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 30% | 30% | 35% |
| Små stormförhållanden | 15% | 15% | 15% |
| Svåra stormförhållanden | 05% | 05% | 05% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 35% | 35% | 40% |
| Små stormförhållanden | 20% | 20% | 20% |
| Svåra stormförhållanden | 05% | 05% | 05% |
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