Viendo archivo del jueves, 6 agosto 1998
Informe actividad solar
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.
Informe de actividad Solar-Geofísica 1998 Aug 06 2200 UTCPreparado por NOAA © SWPC y procesado por SpaceWeatherLive.com
Informe conjunto USAF/NOAA de actividad Solar y Geofísica
SDF Número 218 Publicado el 2200Z a las 06 AUG 1998IA. Análisis de regiones solares activas y de actividad desde 05-2100Z hasta 06-2100Z SOLAR ACTIVITY WAS LOW. REGIONS 8293 (S22E22) AND 8296
(N17E58) PRODUCED MOST OF THE PERIOD'S FLARES, THE LARGEST BEING IN THE
LOW C-CLASS RANGE. THE DAY'S MOST SPECTACULAR ACTIVITY OCCURRED NEAR
N14 AT EAST LIMB WHERE A SPRAY WAS OBSERVED AT APPROXIMATELY 1605Z.
THIS EVENT MEASURED C-2 IN X-RAYS, AND INCLUDED TYPES II AND IV
SWEEP. ADDITIONAL SURGING WAS SEEN NEAR N26E90, MAKING PERHAPS TWO
NEW REGIONS COMING INTO VIEW. ONE NEW REGION, 8297 (N30E73) APPEARED
AS A SINGLE MATURE SPOT.
IB. Pronóstico de la actividad solar
SOLAR ACTIVITY IS EXPECTED TO BE LOW.
HOWEVER, CONTINUED DEVELOPMENT IN REGION 8293 MAY RESULT IN AN
ISOLATED M-CLASS EVENT IN THE NEXT 3 DAYS. THIS REGION NOW SHOWS A
BETA-GAMMA DELTA MAGNETIC CONFIGURATION AND MAY PRODUCE MAJOR FLARES
IF THESE GRADIENTS STRENGTHEN. IN ADDITION, EAST LIMB MAY PROVIDE
OCCASIONAL C-CLASS EVENTS.
IIA. Resumen de la actividad geofísica 05-2100Z a 06-2100Z
THE GEOMAGNETIC FIELD WAS AT QUIET TO STORM LEVELS THROUGHOUT THE
PERIOD. A TRANSIENT STRUCTURE WAS SEEN TO PASS ACE BEGINNING AT
APPROXIMATELY 0644Z. THE MASS EJECTION WAS CHARACTERIZED BY ENHANCED
SOUTHWARD BZ OF APPROXIMATELY -20 NT FOR A FEW HOURS TO FOLLOW. A
WEAK SUDDEN IMPULSE WAS OBSERVED IN THE EUROPEAN SECTOR AT 0736Z,
AND SEVERE STORM CONDITIONS FOLLOWED SHORTLY THEREAFTER. K INDICES
OF 8 AND 9 WERE REPORTED AT HIGH LATITUDES AND SLIGHTLY LESSER
VALUES WERE SEEN AT MIDDLE LATITUDES. THE MAIN DISTURBANCE WANED BY
1800Z TO QUIET CONDITIONS AT BOULDER. THIS CME MAY BE RELATED TO
SOLAR ACTIVITY WITH TYPES II AND IV SWEEP IN THE EARLY HOURS OF
AUGUST 1.
IIB. Pronóstico de la actividad geofísica
THE GEOMAGNETIC FIELD IS
EXPECTED TO BE AT UNSETTLED TO MINOR STORM LEVELS FOR THE NEXT 24
HOURS AS THE CURRENT DISTURBANCE WEAKENS. EPISODES OF MINOR TO MAJOR
STORMING ARE POSSIBLE DURING LOCAL NIGHTTIME HOURS FOR THE NEXT DAY.
QUIET TO UNSETTLED CONDITIONS SHOULD END THE PERIOD.
III. Probabilidades del evento 07 AUG a 09 AUG
| Clase M | 25% | 25% | 25% |
| Clase X | 05% | 05% | 05% |
| Protón | 05% | 05% | 05% |
| PCAF | GREEN | ||
IV. Penticton 10.7cm flujo
Observado 06 AUG 138 Previsto 07 AUG-09 AUG 145/150/150 Media de 90 Días 06 AUG 109
V. Índices Geomagnéticos A
OBSERVED AFR/AP 05 AUG 006/009 ESTIMATED AFR/AP 06 AUG 040/070 PREDICTED AFR/AP 07 AUG-09 AUG 015/030-005/018-005/010
VI. Probabilidades de Actividad Geomagnética 07 AUG a 09 AUG
| A. Latitudes Medias | |||
|---|---|---|---|
| Activo | 30% | 20% | 05% |
| Tormenta Menor | 30% | 10% | 05% |
| Tormenta Mayor-Severa | 10% | 01% | 01% |
| B. Latitudes Altas | |||
|---|---|---|---|
| Activo | 40% | 30% | 20% |
| Tormenta Menor | 40% | 20% | 10% |
| Tormenta Mayor-Severa | 15% | 05% | 01% |
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