Affichage des archives de mardi, 16 novembre 1999
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 1999 Nov 16 2200 UTCFait par le NOAA © SWPC et adapté par SpaceWeatherLive.com
Rapport de l'USAF/NOAA sur l'activité solaire et géophysique
SDF numéro 320 publié à 2200Z le 16 NOV 1999IA. Analyse des régions solaires actives et activité du 15-2100Z au 16-2100Z SOLAR ACTIVITY WAS HIGH. SIX M-CLASS X-RAY EVENTS
OCCURRED. THE FIRST AND LARGEST WAS AN M3/1B FLARE AT 16/0246Z FROM
REGION 8766 (N18E31). A TYPE II AND IV SWEEP, A 360 SFU TENFLARE,
AND A PARTIAL HALO CME ALSO ACCOMPANIED THIS FLARE. THIS REGION,
THOUGH RELATIVELY SMALL, MAINTAINS CONSIDERABLE MAGNETIC COMPLEXITY.
REGION 8765 (S12E06) PRODUCED AN M2/1N AT 16/0710Z AND AN M1/IN AT
16/1411Z. THIS REGION IS A VERY LARGE AND MAGNETICALLY COMPLEX
REGION WITH TWO DELTA CONFIGURATIONS. WHITE LIGHT COVERAGE HAS NOW
EXCEEDED 1000 MILLIONTHS OF WHITE LIGHT AREA. AN M3/SN FLARE WAS
OBSERVED IN REGION 8760 (N15W81). A PARTIAL HALO CME OCCURRED WITH
THIS FLARE. NEW REGION 8770 (S14W23) WAS NUMBERED TODAY.
IB. Prévisions d'activité solaire
SOLAR ACTIVITY IS EXPECTED TO BE
MODERATE TO HIGH. REGION 8765 HAS GOOD POTENTIAL TO PRODUCE A MAJOR
PROTON PRODUCING FLARE SOON. ISOLATED M-CLASS ACTIVITY IS EXPECTED
TO CONTINUE IN REGION 8766. REGIONS 8759 (N12W45) AND 8760 MAY ALSO
PRODUCE ISOLATED SMALL M-CLASS ACTIVITY.
IIA. Résumé de l'activité géophysique du 15-2100Z au 16-2100Z
THE GEOMAGNETIC FIELD WAS QUIET TO ACTIVE. A SUSTAINED PERIOD OF
NEGATIVE BZ HAS PERSISTED SINCE AROUND 16/0900Z RESULTING IN THE
UNSETTLED TO ACTIVE CONDITIONS.
IIB. Prévision de l'activité géophysique
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET TO ACTIVE THROUGH DAY 2. ACTIVE TO MINOR STORM
CONDITIONS ARE POSSIBLE ON DAY THREE IN RESPONSE TO TODAY'S FREQUENT
FLARE ACTIVITY AND CORONAL MASS EJECTIONS.
III. Probabilité d'éruption solaire du 17 NOV au 19 NOV
| Classe M | 90% | 90% | 90% |
| Classe X | 40% | 40% | 40% |
| Proton | 10% | 10% | 10% |
| PCAF | YELLOW | ||
IV. Flux Penticton 10.7 cm
Observé 16 NOV 233 Prévisionnel 17 NOV-19 NOV 225/215/200 Moyenne des 90 derniers jours 16 NOV 164
V. Indice géomagnetique A
OBSERVED AFR/AP 15 NOV 003/006 ESTIMATED AFR/AP 16 NOV 012/010 PREDICTED AFR/AP 17 NOV-19 NOV 012/012-012/012-020/020
VI. Probabilités d'activité géomagnétique du 17 NOV au 19 NOV
| A. Latitudes moyennes | |||
|---|---|---|---|
| Actif | 35% | 45% | 45% |
| Tempête mineure | 10% | 20% | 20% |
| Tempête majeure/sévère | 05% | 10% | 10% |
| B. Hautes latitudes | |||
|---|---|---|---|
| Actif | 40% | 50% | 50% |
| Tempête mineure | 15% | 20% | 20% |
| Tempête majeure/sévère | 05% | 10% | 10% |
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