Viewing archive of fredag, 8 juli 2011
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 2011 Jul 08 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 189 publicerat klockan 2200Z på 08 Jul 2011IA. Analys av solfläcksgrupper och solaktivitet från 07-2100Z till 08-2100Z Solar activity has been at low levels for the past 24
hours. New Region 1247 (S18E11) emerged early in period and has
produced four C-class events, the largest being a C3/1N at 1331Z.
Region 1247 continued to grow throughout the period and remains the
most active region on the visible disk. Two other regions were
numbered today, Region 1246 (N14W47) and Region 1248 (N20E53), but
both have remained quiet and stable.
IB. Prognos för solaktivitet
Solar activity is expected to be at
low levels with a slight chance for M-class events for the next
three days (09-11 July), as Region 1247 continues to grow and
evolve.
IIA. Sammanfattning av geofysisk aktivitet 07-2100Z till 08-2100Z
The geomagnetic field has been mostly quiet for the past 24 hours.
Solar wind speeds, as measured by the ACE spacecraft, have remained
at background levels, ranging from 330 km/s - 380 km/s. The greater
than 2 MeV electron flux at geosynchronous orbit reached high levels
during the period.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be unsettled with a chance for active conditions on day
one (09 July), as a recurrent coronal hole high-speed stream (CH
HSS) moves into a geoeffective position. Quiet to unsettled levels
are expected on day two (10 July), as the effects of the CH HSS
continue. A return to quiet levels is expected on day three (11
July).
III. Chans för solutbrott från 09 Jul till 11 Jul
| M-klass | 15% | 15% | 15% |
| X-klass | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | Green | ||
IV. Penticton 10.7 cm Flux
Observerad 08 Jul 086 Prognoserat 09 Jul-11 Jul 088/088/088 90 Day Mean 08 Jul 099
V. Geomagnetiskt A-index
Observerad Afr/Ap 07 Jul 006/006 Förväntat Afr/Ap 08 Jul 007/007 Prognoserat Afr/Ap 09 Jul-11 Jul 010/010-007/007-005/005
VI. Chanser för geomagnetisk aktivitet från 09 Jul till 11 Jul
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 25% | 20% | 05% |
| Små stormförhållanden | 05% | 05% | 01% |
| Svåra stormförhållanden | 01% | 01% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 30% | 25% | 10% |
| Små stormförhållanden | 05% | 05% | 01% |
| Svåra stormförhållanden | 01% | 01% | 01% |
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Rymdvädersfakta
| Senaste X-utbrottet | 2024/05/09 | X1.1 |
| Senaste M-utbrottet | 2024/05/10 | M1.3 |
| Senaste geomagnetiska stormen | 2024/05/06 | Kp5 (G1) |
| Fläckfria dagar | |
|---|---|
| Senaste dag utan solfläckar | 2022/06/08 |
| Månadsvis faktiskt antal solfläckar | |
|---|---|
| april 2024 | 136.5 +31.6 |
| Last 30 days | 167.9 +77.8 |