Viewing archive of onsdag, 7 maj 2003
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 2003 May 07 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 127 publicerat klockan 2200Z på 07 May 2003IA. Analys av solfläcksgrupper och solaktivitet från 06-2100Z till 07-2100Z Solar activity has been low. Today's flare activity
consisted of occasional C-class flares, mostly from Region 348
(S34W80) and Region 349 (S14W86). The largest event of the day,
however, was a C5 at 2049 UTC from a new region behind east limb at
about N17. A 10 degree filament near S10W18 disappeared between 1342
UTC and 1403 UTC.
IB. Prognos för solaktivitet
Solar activity is expected to be
predominantly low, but there is a fair chance for an isolated
M-class event sometime during the next three days. An overall
downward trend in activity levels and in the background levels is
expected over the next three days with the departure of regions 348
and 349.
IIA. Sammanfattning av geofysisk aktivitet 06-2100Z till 07-2100Z
The geomagnetic field was at active to minor storm levels for most of
the day. An interval of major storm levels was observed at mid and
high latitudes from 0600-0900 UTC. Today's activity resulted from
the persistence of a high speed solar wind stream (velocities
ranging from 670 to 750 km/s) accompanied by weakly to moderately
negative Bz (-5 to -10 nT). The greater than 2 MeV electron fluxes
continue to be at high levels.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be mostly active for the next 24 hours, with a chance
for some isolated storm intervals, as the current high speed solar
wind stream is expected to continue. A slight decline in activity
levels to unsettled to active is expected on the second and third
days. Conditions should stay somewhat elevated relative to quiet,
however, as a new coronal hole will be rotating into a geoeffective
location.
III. Chans för solutbrott från 08 May till 10 May
| M-klass | 40% | 30% | 25% |
| X-klass | 05% | 01% | 01% |
| Proton | 05% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 07 May 110 Prognoserat 08 May-10 May 105/100/095 90 Day Mean 07 May 128
V. Geomagnetiskt A-index
Observerad Afr/Ap 06 May 015/023 Förväntat Afr/Ap 07 May 032/037 Prognoserat Afr/Ap 08 May-10 May 015/020-012/015-012/015
VI. Chanser för geomagnetisk aktivitet från 08 May till 10 May
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 35% | 30% | 30% |
| Små stormförhållanden | 20% | 15% | 15% |
| Svåra stormförhållanden | 05% | 05% | 05% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 35% | 30% | 30% |
| Små stormförhållanden | 25% | 20% | 20% |
| Svåra stormförhållanden | 15% | 15% | 15% |
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Rymdvädersfakta
| Senaste X-utbrottet | 2024/05/03 | X1.6 |
| Senaste M-utbrottet | 2024/05/03 | M4.4 |
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| Fläckfria dagar | |
|---|---|
| Senaste dag utan solfläckar | 2022/06/08 |
| Månadsvis faktiskt antal solfläckar | |
|---|---|
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| Last 30 days | 153 +57.6 |