Affichage des archives de mercredi, 10 mai 2000
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 2000 May 10 2200 UTCFait par le NOAA © SWPC et adapté par SpaceWeatherLive.com
Rapport de l'USAF/NOAA sur l'activité solaire et géophysique
SDF numéro 131 publié à 2200Z le 10 MAY 2000IA. Analyse des régions solaires actives et activité du 09-2100Z au 10-2100Z SOLAR ACTIVITY WAS LOW. THE MOST IMPRESSIVE EVENT OF
THE PERIOD BEGAN WITH THE ERUPTION OF A 5 DEGREE FILAMENT FROM
N14E16. IT WAS SOON FOLLOWED BY A LONG-DURATION 2N/C8 FLARE FROM
REGION 8990 (N14E20) AT 10/1941Z AS WELL AS TYPE II (680 KM/S) AND
TYPE IV RADIO SWEEPS. NEW REGION 8993 (S23W06) WAS NUMBERED TODAY,
CORRECTING AN EARLIER ERROR. THE PREVIOUS TWO DAYS IT WAS
INCORRECTLY REFERRED TO AS REGION 8986, WHICH HAD ACTUALLY
DISSIPATED. REGION 8994 (N11W01) WAS ALSO NUMBERED. TODAY'S
PENTICTON 10CM FLUX VALUE WAS LIKELY FLARE ENHANCED.
IB. Prévisions d'activité solaire
SOLAR ACTIVITY IS EXPECTED TO BE LOW
TO MODERATE. REGIONS 8989 (N16W01), 8990 (N14E20), AND 8991
(N15E46) ARE ALL CAPABLE OF PRODUCING M FLARES.
IIA. Résumé de l'activité géophysique du 09-2100Z au 10-2100Z
THE GEOMAGNETIC FIELD WAS QUIET.
IIB. Prévision de l'activité géophysique
THE GEOMAGNETIC FIELD IS
EXPECTED TO REMAIN QUIET TO UNSETTLED THROUGH THE BEGINNING OF THE
PERIOD. THE ONSET OF A GEOMAGNETIC STORM IS EXPECTED LATE 11 MAY TO
EARLY 12 MAY DUE TO A FILAMENT ERUPTION AND PARTIAL HALO CME
OBSERVED ON 8 MAY. ALTHOUGH, AT THIS POINT, THERE IS NO INDICATION
OF AN APPROACHING SHOCK IN THE ACE DATA. EFFECTS OF A RECURRENT
CORONAL HOLE WILL EXTEND THE ACTIVE TO MINOR STORM CONDITIONS
THROUGH 13 MAY.
III. Probabilité d'éruption solaire du 11 MAY au 13 MAY
| Classe M | 50% | 50% | 50% |
| Classe X | 05% | 05% | 05% |
| Proton | 05% | 05% | 05% |
| PCAF | GREEN | ||
IV. Flux Penticton 10.7 cm
Observé 10 MAY 179 Prévisionnel 11 MAY-13 MAY 165/170/175 Moyenne des 90 derniers jours 10 MAY 186
V. Indice géomagnetique A
OBSERVED AFR/AP 09 MAY 007/011 ESTIMATED AFR/AP 10 MAY 005/007 PREDICTED AFR/AP 11 MAY-13 MAY 015/015-030/025-020/025
VI. Probabilités d'activité géomagnétique du 11 MAY au 13 MAY
| A. Latitudes moyennes | |||
|---|---|---|---|
| Actif | 30% | 30% | 30% |
| Tempête mineure | 15% | 30% | 20% |
| Tempête majeure/sévère | 05% | 10% | 05% |
| B. Hautes latitudes | |||
|---|---|---|---|
| Actif | 30% | 30% | 30% |
| Tempête mineure | 25% | 40% | 35% |
| Tempête majeure/sévère | 05% | 10% | 05% |
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