Vaata teisipäev, 4 november 1997 arhiivi

Päikese aktiivsuse aruanne

Igale käesolevas aruandes mainitud päikesepurskele on kohaldatud Kosmose Ilmaennustuskeskuse (SWPC) skaalafaktor. SWPC skaleerimisteguri tõttu on päikesepursked esitatud 42% väiksemana kui samade teadusliku kvaliteediga andmete puhul. Meie arhiveeritud päikesepursete andmetest on skaleerimisstegur eemaldatud, et kajastada tegelikke füüsikalisi ühikuid.
Päikese ja geofüüsikalise aktiivsuse aruanne 1997 Nov 04 2200 UTC
Valminud NOAA © SWPC ja töödeldud SpaceWeatherLive.com-iga

Ühine USAF / NOAA päikese- ja geofüüsikaalase aktiivsuse aruanne

SDF number 308 Välja antud 2200Z kuni 04 NOV 1997

IA. Päikese aktiivsete piirkondade ja päikeseaktiivsuse analüüs alates 03-2100Z kuni 04-2100Z

SOLAR ACTIVITY BECAME HIGH. REGION 8100 (S21W38) PRODUCED AN X2/2B AT 04/0558Z. THIS EVENT HAD A 690 F.U. BURST AT 10 CM AND TYPE II/IV BURSTS. A HALO CORONAL MASS EJECTION WAS OBSERVED FOLLOWING THIS EVENT. THIS FLARE WAS PRECEDED BY AN M1 (NO OPTICAL) AT 04/0135Z AND AN M4/1F FROM REGION 8100 AT 04/0242Z. REGION 8100 ALSO PRODUCED MANY C-CLASS EVENTS. REGION 8100 CONTINUED TO GROW DURING THE PERIOD BUT AT A REDUCED RATE FROM THAT EXHIBITED ON 03 NOV. AREAL COVERAGE BECAME APPROXIMATELY 1000 MILLIONTHS DURING THE PERIOD. HOWEVER, SEVERAL AREAS THAT WERE EXHIBITING MIXED POLARITIES YESTERDAY ARE NOW FADING RESULTING IN A MORE BIPOLAR CONFIGURATION OF THE REGION. THE DELTA CONFIGURATION REMAINED BUT APPARENTLY IS WEAKENING. A NEW REGION EMERGED AT A RAPID PACE NEAR N24E10, WAS NUMBERED AS NEW REGION 8103, AND PRODUCED SEVERAL SUBFLARES.
IB. Päikese aktiivsuse ennustus
SOLAR ACTIVITY SHOULD BE PREDOMINANTLY MODERATE. REGION 8100 REMAINS POTENT BUT THE DECREASE IN MAGNETIC COMPLEXITY ARGUES STRONGLY THAT FLARE FREQUENCY AND PEAK FLARE FLUX SHOULD ABATE SLIGHTLY. LARGE M-CLASS OR SMALL X-CLASS FLARES COULD OCCUR BUT ONLY INFREQUENTLY.
IIA. Summaarne geofüüsikaline aktiivsus 03-2100Z kuni 04-2100Z
THE GEOMAGNETIC FIELD WAS PREDOMINANTLY QUIET TO UNSETTLED. BRIEF ACTIVE CONDITIONS WERE OBSERVED IN THE 04/1500-1800Z PERIOD. A GREATER THAN 10 MEV PROTON EVENT BEGAN AT 04/0640Z, PASSED THE 10 PFU THRESHOLD AT 04/0830Z, AND REACHED A MAXIMUM OF 72 PFU AT 04/1120Z. THEREAFTER, GREATER THAN 10 MEV PROTON FLUXES SLOWLY DECLINED AND AT THE END OF THE PERIOD WERE AT 16 PFU. THE GREATER THAN 100 MEV PROTON FLUX REACHED A MAXIMUM OF 2.6 PFU AT 04/0930Z. POLAR CAP ABSORPTION DURING THIS EVENT WAS ESTIMATED TO HAVE BEEN 2.6 DB WITH A MAXIMUM AT APPROXIMATELY 04/1300Z.
IIB. Geofüüsikalise aktiivsuse ennustus
THE GEOMAGNETIC FIELD SHOULD BE UNSETTLED TO SLIGHTLY ACTIVE ON 05 NOV. ACTIVE TO MINOR STORM CONDITIONS SHOULD BEGIN ON 06 NOV AS A RESULT OF A HALO CME OBSERVED ON 03 NOV. MAJOR STORM CONDITIONS ARE FORECAST FOR 07 NOV FROM THE X2 EVENT AND HALO CME OBSERVED ON 04 NOV. ISOLATED SEVERE STORMING IS POSSIBLE ON 07 NOV. ANOTHER PROTON EVENT IS POSSIBLE SHOULD REGION 8100 PRODUCE AN ADDITIONAL MAJOR FLARE. HOWEVER, AS MENTIONED ABOVE, ONLY ISOLATED MAJOR FLARES ARE EXPECTED IN THE NEAR FUTURE.
III. Sündmuste tõenäosus 05 NOVkuni 07 NOV
Klass M70%70%70%
Klass X25%25%25%
Prooton25%25%25%
PCAFIN PROGRESS
IV. Pikklaine 10.7 cm kiirgus
  Vaadeldud       04 NOV 118
  Prognoositud   05 NOV-07 NOV  121/122/120
  90 päeva keskmine        04 NOV 089
V. Geomagneetiline A-indeks
OBSERVED AFR/AP 03 NOV  003/003
ESTIMATED AFR/AP 04 NOV  008/010
PREDICTED AFR/AP 05 NOV-07 NOV  015/020-025/035-050/060
VI. Geomagnetilised aktiivsuse tõenäosused 05 NOV kuni 07 NOV
A. Keskmistel laiuskraadidel
Aktiivne20%25%25%
Väike torm10%30%25%
Suur-tõsine torm05%15%30%
B. Kõrgetel laiuskraadidel
Aktiivne20%25%20%
Väike torm20%35%30%
Suur-tõsine torm05%20%35%

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