Affichage des archives de dimanche, 15 mars 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 Mar 15 2200 UTCFait par le NOAA © SWPC et adapté par SpaceWeatherLive.com
Rapport de l'USAF/NOAA sur l'activité solaire et géophysique
SDF numéro 074 publié à 2200Z le 15 MAR 1998IA. Analyse des régions solaires actives et activité du 14-2100Z au 15-2100Z SOLAR ACTIVITY BECAME MODERATE. REGION 8179 (S22W04)
PRODUCED AN M1/1F AT 15/1616Z. AN M1/1B FLARE ERUPTED AT 15/1911Z.
MINOR RADIO BURSTS ACCOMPANIED THIS FLARE INCLUDING AN 860 F.U.
BURST ON 410 MHZ. FREQUENT C-CLASS SUBFLARES ALSO OCCURRED
THROUGHOUT THE PERIOD. X-RAY BASELINE HAS BEEN ON A STEADY INCREASE,
EXCEEDING C-CLASS SINCE 15/1430Z. REGION 8179 CONTINUED ITS
IMPRESSIVE DEVELOPMENT AND IS NOW A 45 SPOT, E-TYPE GROUP WITH 670
MILLIONTHS OF AREAL COVERAGE. OBSERVATORIES REPORTED MAJOR GROWTH IN
PENUMBRA ON LEADER AND TRAILER SPOTS. A MAGNETIC DELTA CONFIGURATION
DEVELOPED AT MID PERIOD. REPORTS INDICATE MAGNETIC GRADIENTS ARE
STILL FAIRLY WEAK EXCEPT FOR THE IMMEDIATE VICINITY OF THE DELTA.
THE REMAINING REGIONS HAVE BEEN MOSTLY QUIET.
IB. Prévisions d'activité solaire
SOLAR ACTIVITY IS EXPECTED TO BE
PREDOMINANTLY MODERATE. REGION 8179 IS LARGE AND COMPLEX AND IS
STILL DEVELOPING. CONTINUED M-CLASS ACTIVITY IS LIKELY AND IF
MAGNETIC GRADIENTS STRENGTHEN, X-CLASS ACTIVITY IS POSSIBLE.
IIA. Résumé de l'activité géophysique du 14-2100Z au 15-2100Z
THE GEOMAGNETIC FIELD WAS QUIET TO UNSETTLED UNTIL 15/0200Z WHEN
ACTIVE TO MINOR STORMING CONDITIONS DEVELOPED. THE DISTURBANCE ENDED
AT APPROXIMATELY 15/0900Z AND THE FIELD HAS BEEN MOSTLY QUIET TO
UNSETTLED SINCE. THE GREATER THAN 2 MEV ELECTRON FLUX DROPPED BELOW
HIGH LEVELS AT 15/0306Z.
IIB. Prévision de l'activité géophysique
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET TO UNSETTLED. ISOLATED PERIODS OF ACTIVE
CONDITIONS ARE POSSIBLE IN HIGH LATITUDES.
III. Probabilité d'éruption solaire du 16 MAR au 18 MAR
| Classe M | 50% | 50% | 45% |
| Classe X | 15% | 15% | 10% |
| Proton | 15% | 15% | 10% |
| PCAF | GREEN | ||
IV. Flux Penticton 10.7 cm
Observé 15 MAR 133 Prévisionnel 16 MAR-18 MAR 126/124/122 Moyenne des 90 derniers jours 15 MAR 095
V. Indice géomagnetique A
OBSERVED AFR/AP 14 MAR 008/010 ESTIMATED AFR/AP 15 MAR 019/019 PREDICTED AFR/AP 16 MAR-18 MAR 010/012-010/008-008/008
VI. Probabilités d'activité géomagnétique du 16 MAR au 18 MAR
| A. Latitudes moyennes | |||
|---|---|---|---|
| Actif | 15% | 15% | 15% |
| Tempête mineure | 05% | 05% | 05% |
| Tempête majeure/sévère | 01% | 01% | 01% |
| B. Hautes latitudes | |||
|---|---|---|---|
| Actif | 20% | 20% | 20% |
| Tempête mineure | 10% | 10% | 10% |
| Tempête majeure/sévère | 01% | 01% | 01% |
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