Viewing archive of måndag, 30 april 2012
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 2012 Apr 30 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 121 publicerat klockan 2200Z på 30 Apr 2012IA. Analys av solfläcksgrupper och solaktivitet från 29-2100Z till 30-2100Z Solar activity has been at low levels for the past 24
hours. Before rotating off the west limb of the solar disk, Region
1465 (S18W95) produced a long duration C3 x-ray flare at 30/0738Z.
Associated with this event were both a Type II radio sweep
(estimated shock velocity of 645 km/s) and a non-Earth directed CME.
Region 1471 (S22E45) also produced multiple C-class events and
appears to be growing in sunspot area and magnetic complexity as it
rotates further into view. No new sunspot regions were numbered
today.
IB. Prognos för solaktivitet
Solar activity is expected to be at
low levels for the next three days (01 - 03 May).
IIA. Sammanfattning av geofysisk aktivitet 29-2100Z till 30-2100Z
The geomagnetic field has been at quiet levels for the past 24 hours.
Solar wind speeds, as measured by the ACE spacecraft, remained at
nominal levels throughout the summary period.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be at quiet to unsettled levels for days one and two (01
- 02 May) as a coronal hole high speed stream moves into a
geoeffective position. A return to quiet levels is expected on day
three (03 May) as the effects of the high speed stream wane.
III. Chans för solutbrott från 01 May till 03 May
| M-klass | 10% | 10% | 10% |
| X-klass | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 30 Apr 114 Prognoserat 01 May-03 May 115/115/115 90 Day Mean 30 Apr 112
V. Geomagnetiskt A-index
Observerad Afr/Ap 29 Apr 005/005 Förväntat Afr/Ap 30 Apr 002/003 Prognoserat Afr/Ap 01 May-03 May 007/008-007/008-004/005
VI. Chanser för geomagnetisk aktivitet från 01 May till 03 May
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 15% | 15% | 10% |
| Små stormförhållanden | 05% | 05% | 01% |
| Svåra stormförhållanden | 01% | 01% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 25% | 25% | 15% |
| Små stormförhållanden | 10% | 10% | 05% |
| Svåra stormförhållanden | 01% | 01% | 01% |
Senaste nytt
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Rymdvädersfakta
| Senaste X-utbrottet | 2024/03/28 | X1.1 |
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| Fläckfria dagar | |
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