Vaata neljapäev, 20 juuli 2000 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 2000 Jul 20 2200 UTCValminud NOAA © SWPC ja töödeldud SpaceWeatherLive.com-iga
Ühine USAF / NOAA päikese- ja geofüüsikaalase aktiivsuse aruanne
SDF number 202 Välja antud 2200Z kuni 20 JUL 2000IA. Päikese aktiivsete piirkondade ja päikeseaktiivsuse analüüs alates 19-2100Z kuni 20-2100Z SOLAR ACTIVITY REMAINED AT A HIGH LEVEL. REGION 9087
(S11W11) PRODUCED AN IMPULSIVE M5/1B AT 20/2025Z WITH A 10 CM BURST
OF 490 SFU. THIS REGION ALSO PRODUCED A MODERATE DURATION M3/1F AT
20/1006Z WITH MEDIUM INTENSITY CENTIMETRIC BURSTS. THE GROWTH RATE
IN THIS REGION SLOWED. AREAS OF MAGNETIC COMPLEXITY REMAINED BUT
THE STEEP GRADIENTS OBSERVED IN THE PREVIOUS TWO DAYS APPEAR TO HAVE
LESSENED. REGION 9097 (N05E55) PRODUCED SEVERAL C-CLASS EVENTS.
THIS REGION SHOWED A WEAK DELTA CONFIGURATION IN ITS LEADER SPOT.
REGION 9090 (N11E21) EXHIBITED SOME LEADER GROWTH AND SEVERAL
C-CLASS EVENTS ORIGINATED FROM THAT AREA. A TYPE II BURST OCCURRED
AT 20/1652Z WITH NO APPROPRIATE OPTICAL COUNTERPART.
IB. Päikese aktiivsuse ennustus
SOLAR ACTIVITY SHOULD BE MODERATE TO
HIGH FOR THE NEXT THREE DAYS. REGION 9087 RETAINS THE CAPABILITY OF
PRODUCING OCCASIONAL M-CLASS EVENTS. THIS REGION IS ALSO CAPABLE OF
GENERATING ISOLATED X-CLASS FLARES. OTHER DISK REGIONS MAY
CONTRIBUTE TO FULL DISK M-CLASS FLARE PRODUCTION.
IIA. GEOPHYSICAL ACTIVITY SUMMARY 19/2100Z TO 20/2100Z:
THE GEOMAGNETIC FIELD BEGAN THE PERIOD AT MINOR TO MAJOR STORM
LEVELS. FOLLOWING THE SUDDEN IMPULSE AT 19/1526Z, BZ WAS NORTHWARD
UNTIL IT TURNED SOUTHWARD AT APPROXIMATELY 20/0000Z AND STORM
CONDITIONS ENSUED. BZ BECAME NORTHWARD AGAIN AROUND 20/1300Z AND
THE FIELD CALMED TO UNSETTLED LEVELS. THE PROTON EVENT THAT BEGAN
ON 14 JULY ENDED AT 19/2330Z.
IIB. Geofüüsikalise aktiivsuse ennustus
THE GEOMAGNETIC FIELD SHOULD
RETURN TO STORM LEVELS EARLY ON 21 JULY IN RESPONSE TO A SUSPECTED
(NO CORONAGRAPH DATA) MASS EJECTION WITH THE M6 FLARE ON 19 JULY.
MINOR TO MAJOR STORM LEVELS ARE EXPECTED. ISOLATED PERIODS OF
SEVERE STORMING ARE POSSIBLE. THE DISTURBANCE SHOULD CONTINUE INTO
22 JULY WITH UNSETTLED TO MINOR STORM LEVELS FORECAST. QUIET TO
UNSETTLED CONDITIONS ARE EXPECTED ON 23 JULY. THERE IS A MODERATE
PROBABILITY OF A SOLAR PROTON EVENT DURING THE PERIOD.
III. Sündmuste tõenäosus 21 JULkuni 23 JUL
| Klass M | 85% | 80% | 75% |
| Klass X | 35% | 30% | 20% |
| Prooton | 35% | 30% | 20% |
| PCAF | YELLOW | ||
IV. Pikklaine 10.7 cm kiirgus
Vaadeldud 20 JUL 253 Prognoositud 21 JUL-23 JUL 245/235/230 90 päeva keskmine 20 JUL 188
V. Geomagneetiline A-indeks
OBSERVED AFR/AP 19 JUL 010/015 ESTIMATED AFR/AP 20 JUL 038/052 PREDICTED AFR/AP 21 JUL-23 JUL 050/050-025/020-015/015
VI. Geomagnetilised aktiivsuse tõenäosused 21 JUL kuni 23 JUL
| A. Keskmistel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 25% | 30% | 20% |
| Väike torm | 25% | 25% | 15% |
| Suur-tõsine torm | 30% | 10% | 05% |
| B. Kõrgetel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 25% | 30% | 20% |
| Väike torm | 25% | 25% | 15% |
| Suur-tõsine torm | 30% | 10% | 05% |
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