Viewing archive of lördag, 13 april 2002
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 2002 Apr 13 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 103 publicerat klockan 2200Z på 13 Apr 2002IA. Analys av solfläcksgrupper och solaktivitet från 12-2100Z till 13-2100Z Solar activity was a low levels. The largest event was
a C3.6/Sf from Region 9900 (S29W68). Region 9906 (S15E13) has shown
rapid growth with an area of 470 millionths, 38 spots, and
beta-gamma-delta magnetic configuration in the trailing spot.
Region 9893 (N18W53) and Region 9901 (N20W39) have maintained there
beta-gamma-delta magnetic configuration and have shown some increase
in area. Region 9907 (S04E46) has increased in area and spot count.
IB. Prognos för solaktivitet
Solar activity is expected to be
moderate. Region 9906 has the potential for producing M-class
events and a small chance of a major event. Region 9893/9901
complex has M-class potential.
IIA. Sammanfattning av geofysisk aktivitet 12-2100Z till 13-2100Z
The geomagnetic field was at quiet to unsettled levels. A 24 nT
sudden impulse was observed on the boulder magnetometer at 12/2243
UTC. The sudden impulse is likely the result of a weak CME shock
passage.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be quiet to active. We are still expecting some CME
effects on day one of the forecast period and possibly early on day
two. A small coronal hole may keep the geomagnetic field in
unsettled conditions on day three of the forecast period.
III. Chans för solutbrott från 14 Apr till 16 Apr
| M-klass | 70% | 65% | 60% |
| X-klass | 10% | 10% | 10% |
| Proton | 10% | 10% | 05% |
| PCAF | yellow | ||
IV. Penticton 10.7 cm Flux
Observerad 13 Apr 226 Prognoserat 14 Apr-16 Apr 225/220/220 90 Day Mean 13 Apr 202
V. Geomagnetiskt A-index
Observerad Afr/Ap 12 Apr 014/013 Förväntat Afr/Ap 13 Apr 014/015 Prognoserat Afr/Ap 14 Apr-16 Apr 015/020-010/015-010/015
VI. Chanser för geomagnetisk aktivitet från 14 Apr till 16 Apr
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 30% | 30% | 20% |
| Små stormförhållanden | 15% | 15% | 10% |
| Svåra stormförhållanden | 05% | 05% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 30% | 30% | 20% |
| Små stormförhållanden | 15% | 15% | 10% |
| Svåra stormförhållanden | 05% | 05% | 01% |
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