Affichage des archives de lundi, 1 mars 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 Mar 01 2200 UTC
Fait par le NOAA © SWPC et adapté par SpaceWeatherLive.com

Rapport de l'USAF/NOAA sur l'activité solaire et géophysique

SDF numéro 060 publié à 2200Z le 01 MAR 1999

IA. Analyse des régions solaires actives et activité du 28-2100Z au 01-2100Z

SOLAR ACTIVITY RETURNED TO LOW LEVELS. REGION 8471 (N28W26) PRODUCED SEVERAL LOW LEVEL C-CLASS SUBFLARES. ON 28 FEB, PRIOR TO THE M6/2B, THIS REGION DEVELOPED A DELTA MAGNETIC CLASSIFICATION OF MODERATE STRENGTH. IN THE INTERIM, THIS DELTA FADED AND OVERALL THE REGION DECAYED SLIGHTLY IN PENUMBRAL COVERAGE. THE MAIN NEUTRAL LINE IN THIS REGION WAS ALMOST LINEAR SUGGESTING MAGNETIC SHEAR AT THAT LOCATION, BUT VECTOR MAGNETOGRAPH DATA WERE NOT AVAILABLE TO CONFIRM THIS SUPPOSITION. REGION 8475 (N32E16) EXHIBITED GROWTH AND PRODUCED SEVERAL SUBFLARES. A DELTA MAGNETIC CONFIGURATION MAY BE FORMING IN THIS REGION. TWO SMALL AREAS OF PLAGE AND SPOTS EMERGED NEAR S15W07. THERE WERE NUMBERED AS NEW REGION 8478. THIS AREA MAY BE SPLIT INTO TWO SEPARATE REGIONS IN THE NEAR FUTURE.
IB. Prévisions d'activité solaire
SOLAR ACTIVITY SHOULD BECOME LOW TO MODERATE. REGION 8471 REMAINS CAPABLE OF PRODUCING AN ISOLATED M-CLASS EVENT BUT FLARE FREQUENCY SHOULD DECREASE AS DECAY CONTINUES. REGION 8475 SHOULD BEGIN TO PRODUCE FREQUENT C-CLASS EVENTS AND ISOLATED M-CLASS EVENTS SHOULD GROWTH AND INCREASING MAGNETIC COMPLEXITY CONTINUE.
IIA. Résumé de l'activité géophysique du 28-2100Z au 01-2100Z
THE GEOMAGNETIC FIELD RANGED FROM UNSETTLED TO MINOR STORM LEVELS. THE MOST DISTURBED PERIODS WERE 01/0000-0600Z AND 01/1200-1800Z. SOLAR WIND DATA SHOWED A LOW SPEED, HIGH DENSITY FLOW WITH NORTHWARD BZ DURING THE DISTURBANCE. IT IS POSSIBLE THIS DISTURBANCE WAS RELATED TO A FILAMENT DISRUPTION IN THE SOUTHEAST QUADRANT ON 24-25 FEB. AT THE END OF THE PERIOD, SOLAR WIND VELOCITY WAS INCREASING AND DENSITY WAS DECREASING.
IIB. Prévision de l'activité géophysique
THE GEOMAGNETIC FIELD SHOULD BE PREDOMINANTLY QUIET TO UNSETTLED FOR THE NEXT THREE DAYS. ISOLATED ACTIVE CONDITIONS ARE POSSIBLE DURING THAT TIME. A SMALL CORONAL HOLE SHOULD BEGIN TO AFFECT THE EARTH'S FIELD ON 02-03 MAR.
III. Probabilité d'éruption solaire du 02 MAR au 04 MAR
Classe M50%40%40%
Classe X10%10%10%
Proton05%05%05%
PCAFGREEN
IV. Flux Penticton 10.7 cm
  Observé       01 MAR 120
  Prévisionnel   02 MAR-04 MAR  120/120/118
  Moyenne des 90 derniers jours        01 MAR 144
V. Indice géomagnetique A
OBSERVED AFR/AP 28 FEB  010/014
ESTIMATED AFR/AP 01 MAR  024/025
PREDICTED AFR/AP 02 MAR-04 MAR  015/015-012/012-012/010
VI. Probabilités d'activité géomagnétique du 02 MAR au 04 MAR
A. Latitudes moyennes
Actif20%20%20%
Tempête mineure10%10%10%
Tempête majeure/sévère05%05%05%
B. Hautes latitudes
Actif25%20%20%
Tempête mineure10%10%10%
Tempête majeure/sévère05%05%05%

<< Aller à l'aperçu quotidien

Dernières nouvelles

Aidez SpaceWeatherLive.com !

Vous êtes de plus en plus nombreux à consulter SpaceWeatherLive pour suivre l'activité solaire ou aurorale, et avec le traffic les coûts du serveur augmentent. Si vous appréciez SpaceWeatherLive, soutenez notre projet en faisant un don afin que nous puissions continuer à vous informer !

54%
Soutenir SpaceWeatherLive avec nos produits dérivés
Découvrez nos produits dérivés

La Météo Spatiale en faits

Dernière classe X28/03/2024X1.1
Dernière classe M25/04/2024M1.0
Dernier orage géomagnétique19/04/2024Kp7 (G3)
Jours sans taches solaires
Dernier jour sans taches solaires08/06/2022
Nombre mensuel moyen de taches solaires
mars 2024104.9 -19.8
Last 30 days133.9 +26.6

A ce jour dans l'histoire*

Éruptions solaires
12014X1.99
22001M3.98
32004M3.25
42003M1.84
52004M1.3
ApG
1200333G1
2201227G1
3199826G1
4202118G1
5199517G1
*depuis 1994

Les réseaux sociaux