Viewing archive of torsdag, 4 juni 1998
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 1998 Jun 04 2200 UTCSkapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com
USAF/NOAA rapport för sol- och geofysisk aktivitet
SDF Nummer 155 publicerat klockan 2200Z på 04 JUN 1998IA. Analys av solfläcksgrupper och solaktivitet från 03-2100Z till 04-2100Z SOLAR ACTIVITY REMAINED LOW. AN OPTICALLY UNCORRELATED
C1 FLARE OCCURRED AT 03/2308Z AND REGION 8232 (S19E50) PRODUCED A
C1/SF AT 04/2039Z. REGIONS 8232 AND 8233 (N28E49) BOTH PRODUCED
SEVERAL SUBFLARES DURING THE PERIOD. MAGNETICALLY, REGION 8232
SHOWED SEVERAL ISOLATED POLES INDICATING SOME MIXING OF POLARITIES
BUT OVERALL THE REGION WAS STABLE. THE RATE OF EMERGENCE OF REGION
8233 SLOWED. A SMALL NEW REGION EMERGED NEAR N16E66 AND WAS NUMBERED
AS REGION 8234. BETWEEN 03/2130-2257Z, A REPORT WAS RECEIVED OF A
LARGE DISAPPEARING FILAMENT LOCATED NEAR S40E70. NO CME WAS OBSERVED
COINCIDENT WITH THIS EVENT.
IB. Prognos för solaktivitet
SOLAR ACTIVITY SHOULD REMAIN GENERALLY
LOW. REGION 8232 SHOULD PRODUCE OCCASIONAL SUBFLARES AND IS CAPABLE
OF GENERATING ISOLATED M-CLASS EVENTS.
IIA. Sammanfattning av geofysisk aktivitet 03-2100Z till 04-2100Z
THE GEOMAGNETIC FIELD WAS QUIET TO UNSETTLED. ISOLATED ACTIVE
CONDITIONS WERE OBSERVED AT A FEW HIGH LATITUDE SITES. ENERGETIC
ELECTRON FLUXES AT GEOSYNCHRONOUS ORBIT WERE APPROACHING HIGH LEVELS
AT THE END OF THE PERIOD.
IIB. Prognos för geofysisk aktivitet
THE GEOMAGNETIC FIELD SHOULD BE
PREDOMINANTLY QUIET TO UNSETTLED FOR THE NEXT THREE DAYS. ISOLATED
ACTIVE CONDITIONS ARE POSSIBLE ON 05-06 JUN.
III. Chans för solutbrott från 05 JUN till 07 JUN
| M-klass | 15% | 15% | 15% |
| X-klass | 05% | 05% | 05% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observerad 04 JUN 112 Prognoserat 05 JUN-07 JUN 113/114/112 90 Day Mean 04 JUN 109
V. Geomagnetiskt A-index
OBSERVED AFR/AP 03 JUN 012(EST.)/012 ESTIMATED AFR/AP 04 JUN 010/012 PREDICTED AFR/AP 05 JUN-07 JUN 010/014-010/012-007/010
VI. Chanser för geomagnetisk aktivitet från 05 JUN till 07 JUN
| A. Medelhöga breddgrader | |||
|---|---|---|---|
| Aktivt | 20% | 20% | 10% |
| Små stormförhållanden | 10% | 10% | 05% |
| Svåra stormförhållanden | 05% | 05% | 01% |
| B. Höga breddgrader | |||
|---|---|---|---|
| Aktivt | 25% | 25% | 15% |
| Små stormförhållanden | 15% | 15% | 05% |
| Svåra stormförhållanden | 05% | 05% | 05% |
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