Vaata neljapäev, 23 juuli 1998 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 1998 Jul 23 2200 UTC
Valminud NOAA © SWPC ja töödeldud SpaceWeatherLive.com-iga

Ühine USAF / NOAA päikese- ja geofüüsikaalase aktiivsuse aruanne

SDF number 204 Välja antud 2200Z kuni 23 JUL 1998

IA. Päikese aktiivsete piirkondade ja päikeseaktiivsuse analüüs alates 22-2100Z kuni 23-2100Z

SOLAR ACTIVITY HAS BEEN LOW. THREE C-CLASS FLARES WERE OBSERVED DURING THE PAST 24 HOURS: A C1 FROM REGION 8280 (S21E54) AT 1605Z, A C1 FROM REGION 8281 (N18E45) AT 1630Z, AND A C1 FROM REGION 8282 (N33E56) AT 1745Z. REGIONS 8281 AND 8282 ARE BOTH RELATIVELY SMALL, BUT ARE GROWING. REGION 8280 CONTINUES TO BE IMPRESSIVE IN SIZE AND APPEARS TO BE GROWING SLOWLY. NEVERTHELESS, THE REGION IS REMARKABLY STABLE.
IB. Päikese aktiivsuse ennustus
SOLAR ACTIVITY IS EXPECTED TO BE PREDOMINANTLY LOW. THERE IS A CHANCE, HOWEVER, FOR AN ISOLATED M-CLASS EVENT FROM REGION 8280 SOMETIME IN THE NEXT 3-4 DAYS.
IIA. Summaarne geofüüsikaline aktiivsus 22-2100Z kuni 23-2100Z
THE GEOMAGNETIC FIELD WAS AT ACTIVE TO MINOR STORM LEVELS, WITH SOME MAJOR STORM PERIODS AT HIGH LATITUDES. THE PERIOD FROM 0300-1500Z WAS PARTICULARLY DISTURBED AND ATTAINED MAXIMUM FROM 09-12Z WITH AN ESTIMATED KP OF 6. THE ACTIVITY WAS ASSOCIATED WITH A HIGH SPEED STREAM WITH VELOCITIES UP TO 700 KM/S OBSERVED BY ACE. THE INTERPLANETARY MAGNETIC FIELD COMPONENT, BZ, SHOWED REGULAR, STRONG FLUCTUATIONS VARYING BETWEEN +10 NT TO -10NT. THIS WAVE ACTIVITY WAS MANIFESTED IN THE GROUND BASED MAGNETOMETER SIGNATURE AS FREQUENTLY FLUCTUATING FIELD VARIATIONS. DURING THE LATTER PART OF THE DAY FROM 1500-2100Z THE WAVE ACTIVITY CONTINUED BUT WAS WEAKER (+/- 5 NT), AND THIS WAS ALSO REFLECTED IN A WEAKENED MAGNETIC DISTANCE: MID-LATITUDES WERE ACTIVE AND HIGH LATITUDES WERE MOSTLY ACTIVE TO MINOR STORM. AFTER THE FACT SOLAR ANALYSIS SUGGESTED THAT THE HIGH SPEED STREAM IS DUE TO AN EXTENSION OF THE NORTHERN POLAR CORONAL HOLE.
IIB. Geofüüsikalise aktiivsuse ennustus
THE GEOMAGNETIC FIELD IS EXPECTED TO BE ACTIVE FOR THE NEXT 12 HOURS. THERE MAY BE SOME ISOLATED STORM LEVEL ACTIVITY AT HIGH-LATITUDES. CONDITIONS ARE EXPECTED TO RETURN TO PREDOMINANTLY UNSETTLED LEVELS FOR THE LATTER PART OF TOMORROW AND THROUGH THE REMAINDER OF THE FORECAST PERIOD.
III. Sündmuste tõenäosus 24 JULkuni 26 JUL
Klass M25%25%25%
Klass X05%05%05%
Prooton05%05%05%
PCAFGREEN
IV. Pikklaine 10.7 cm kiirgus
  Vaadeldud       23 JUL 115
  Prognoositud   24 JUL-26 JUL  115/112/110
  90 päeva keskmine        23 JUL 108
V. Geomagneetiline A-indeks
OBSERVED AFR/AP 22 JUL  008/008
ESTIMATED AFR/AP 23 JUL  025/036
PREDICTED AFR/AP 24 JUL-26 JUL  015/015-012/015-010/010
VI. Geomagnetilised aktiivsuse tõenäosused 24 JUL kuni 26 JUL
A. Keskmistel laiuskraadidel
Aktiivne40%20%15%
Väike torm15%05%05%
Suur-tõsine torm05%01%01%
B. Kõrgetel laiuskraadidel
Aktiivne40%25%20%
Väike torm20%15%05%
Suur-tõsine torm10%05%05%
THE FOLLOWING CHANGES WILL OCCUR ON MONDAY, 27 JULY: GOES-9 WILL BE TAKEN OUT OF OPERATIONAL STATUS GOES-8 WILL BECOME THE PRIMARY SATELLITE FOR SWO DATA AND PRODUCTS. GOES-10 WILL BE THE SECONDARY SATELLITE (THIS NOTICE SUPERCEDES THE EARLIER DECISION THAT HAD ASSIGNED GOES-10 AS PRIMARY)

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