Viewing archive of lördag, 27 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 27 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 117 publicerat klockan 2200Z på 27 Apr 2002IA. Analys av solfläcksgrupper och solaktivitet från 26-2100Z till 27-2100Z Solar activity was low. The largest event of the period
was a C4/Sf from Region 9919 (N12E14). Other minor C-class flares
were observed in this Beta region. No significant activity or
changes were noted in the remaining active regions. The filament
eruption observed late in the last period from near S32W12 produced
a large CME, but it does not appear Earthbound. New Region 9926
(N12E26) was numbered today. This spot cluster was formerly grouped
with Region 9919, but magnetograms indicate that it is a separate
region.
IB. Prognos för solaktivitet
Solar activity is expected to continue
at low levels. Regions 9915 (N11W26) and 9919 will likely produce
C-class flares.
IIA. Sammanfattning av geofysisk aktivitet 26-2100Z till 27-2100Z
The geomagnetic field was mostly quiet, but became unsettled late in
the period. Solar wind indices on ACE suggest that we are
transitioning into a high speed coronal hole stream. The greater
than 10 MeV protons at geosynchronous orbit remain elevated
following the proton event that began on 21 Apr and ended on the
26th.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is
expected to be mostly unsettled with isolated active periods at all
latitudes due to high speed coronal hole flow. Minor storm
conditions are expected at high latitudes during local nighttime
hours. Expect quiet to unsettled conditions to return by day three.
III. Chans för solutbrott från 28 Apr till 30 Apr
| M-klass | 25% | 25% | 25% |
| X-klass | 05% | 05% | 05% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observerad 27 Apr 157 Prognoserat 28 Apr-30 Apr 160/160/165 90 Day Mean 27 Apr 195
V. Geomagnetiskt A-index
Observerad Afr/Ap 26 Apr 002/006 Förväntat Afr/Ap 27 Apr 007/010 Prognoserat Afr/Ap 28 Apr-30 Apr 012/012-010/010-008/008
VI. Chanser för geomagnetisk aktivitet från 28 Apr till 30 Apr
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 35% | 35% | 30% |
| Små stormförhållanden | 15% | 15% | 10% |
| Svåra stormförhållanden | 05% | 05% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 45% | 45% | 35% |
| Små stormförhållanden | 25% | 25% | 15% |
| Svåra stormförhållanden | 10% | 10% | 05% |
Senaste nytt
måndag, 22 april 2024
Lot's of sunspots! Big chance for major flare activity?
lördag, 23 mars 2024
X1.1 solar flare with earth-directed CME
onsdag, 20 mars 2024
Sunspot region 3615, G1 watch
Senaste inläggen
Unproven theories 344AR3654 25Unspecified geomagnetic activity 954Changelog/Featurelog 154What are these long and thin eruptions? 9
Fler foruminläggStöd SpaceWeatherLive.com!
För att vara tillgängliga vid stora norrskensutbrott måsta vi ha kraftiga servrar som kan hantera alla besökare. Donera och stöd vårt projekt, så att vi kan finnas online även under stora stormar!
Rymdvädersfakta
| Senaste X-utbrottet | 2024/03/28 | X1.1 |
| Senaste M-utbrottet | 2024/04/27 | M3.0 |
| Senaste geomagnetiska stormen | 2024/04/26 | Kp5+ (G1) |
| Fläckfria dagar | |
|---|---|
| Senaste dag utan solfläckar | 2022/06/08 |
| Månadsvis faktiskt antal solfläckar | |
|---|---|
| mars 2024 | 104.9 -19.8 |
| Last 30 days | 139.7 +33.3 |