Affichage des archives de vendredi, 5 juin 1998
Rapport d'activité solaire
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 d'activité solaire et géophysique 1998 Jun 05 2200 UTCFait par le NOAA © SWPC et adapté par SpaceWeatherLive.com
Rapport de l'USAF/NOAA sur l'activité solaire et géophysique
SDF numéro 156 publié à 2200Z le 05 JUN 1998IA. Analyse des régions solaires actives et activité du 04-2100Z au 05-2100Z SOLAR ACTIVITY WAS LOW. REGION 8232 (S18E34) PRODUCED A
HANDFUL OF C1/SF FLARES DURING THE PERIOD. THIS REGION IS NOW
MAGNETICALLY CLASSIFIED AS A BETA-GAMMA. REGION 8033 (N28E36)
PRODUCED SEVERAL SMALL SUBFLARES. THREE MODERATE SIZE FILAMENTS IN
THE SOUTHERN HEMISPHERE FADED OVER A PERIOD OF SEVERAL HOURS
BEGINNING EARLY ON 05 JUN. AN EXTENSIVE POST-ERUPTION ARCADE WAS
OBSERVED IN BOTH EUV AND X-RAYS FOLLOWING THE FILAMENT DISRUPTIONS.
A CME FROM THE SOUTHERN HEMISPHERE WAS ALSO OBSERVED DURING THE EARLY
HOURS OF 05 JUN.
IB. Prévisions d'activité solaire
SOLAR ACTIVITY SHOULD REMAIN GENERALLY
LOW. REGION 8232 MAINTAINS THE CAPABILITY OF PRODUCING AN ISOLATED
M-CLASS EVENT.
IIA. Résumé de l'activité géophysique du 04-2100Z au 05-2100Z
THE GEOMAGNETIC FIELD WAS QUIET TO UNSETTLED. SOLAR WIND VELOCITIES
WERE UNDER 400 KM/S FOR THE MAJORITY OF THE PERIOD. A VERY WEAK
ENHANCEMENT OF THE GT 10 MEV PROTON FLUX BEGAN NEAR 04/2000Z AND
RETURNED TO BACKGROUND LEVELS AT THE END OF THE PERIOD.
IIB. Prévision de l'activité géophysique
THE GEOMAGNETIC FIELD SHOULD BE
PREDOMINANTLY QUIET TO UNSETTLED FOR THE NEXT THREE DAYS. ISOLATED
ACTIVE PERIODS ARE POSSIBLE DURING THAT TIME. UNSETTLED TO ACTIVE
CONDITIONS ARE POSSIBLE ON 09 JUN IN RESPONSE TO THE FILAMENT
DISRUPTIONS MENTIONED ABOVE.
III. Probabilité d'éruption solaire du 06 JUN au 08 JUN
| Classe M | 20% | 20% | 20% |
| Classe X | 05% | 05% | 05% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Flux Penticton 10.7 cm
Observé 05 JUN 115 Prévisionnel 06 JUN-08 JUN 115/115/115 Moyenne des 90 derniers jours 05 JUN 109
V. Indice géomagnetique A
OBSERVED AFR/AP 04 JUN 007/012 ESTIMATED AFR/AP 05 JUN 008/014 PREDICTED AFR/AP 06 JUN-08 JUN 010/012-007/010-010/012
VI. Probabilités d'activité géomagnétique du 06 JUN au 08 JUN
| A. Latitudes moyennes | |||
|---|---|---|---|
| Actif | 15% | 15% | 25% |
| Tempête mineure | 10% | 05% | 10% |
| Tempête majeure/sévère | 05% | 05% | 05% |
| B. Hautes latitudes | |||
|---|---|---|---|
| Actif | 20% | 15% | 25% |
| Tempête mineure | 10% | 05% | 15% |
| Tempête majeure/sévère | 05% | 05% | 05% |
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