Vaata teisipäev, 18 juuli 2000 arhiivi
Päikese aktiivsuse aruanne
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.
Päikese ja geofüüsikalise aktiivsuse aruanne 2000 Jul 18 2200 UTCValminud NOAA © SWPC ja töödeldud SpaceWeatherLive.com-iga
Ühine USAF / NOAA päikese- ja geofüüsikaalase aktiivsuse aruanne
SDF number 200 Välja antud 2200Z kuni 18 JUL 2000IA. Päikese aktiivsete piirkondade ja päikeseaktiivsuse analüüs alates 17-2100Z kuni 18-2100Z SOLAR ACTIVITY REMAINED AT A MODERATE LEVEL. DECAYING
REGION 9077 (N18W57) PRODUCED AN M1/2B FLARE AT 18/0515Z WITH WEAK
TYPE II AND IV BURSTS. REGION 9087 (S12E12) GENERATED AN M3/2N
FLARE AT 18/1419Z. THIS REGION ALSO GENERATED A LONG DURATION M3/2N
AT 18/1945Z. IN THE LAST 24 HOURS, THIS REGION EXHIBITED
SIGNIFICANT GROWTH JUST AHEAD OF THE PREEXISTING LEADER SPOTS. IT
IS LIKELY THAT A DELTA CONFIGURATION FORMED ALSO INDICATING THE
PRESENCE OF STRONG MAGNETIC GRADIENTS. SEVERAL NEW REGIONS WERE
NUMBERED. THE MOST SIGNIFICANT WAS REGION 9097 (N06E76) THAT
ROTATED ONTO THE DISK WITH BRIGHT COMPACT PLAGE, A MODERATE SIZE D
CLASS SUNSPOT GROUP, AND FREQUENT SUBFLARES.
IB. Päikese aktiivsuse ennustus
SOLAR ACTIVITY SHOULD BE MODERATE TO
HIGH. A POSSIBILITY REMAINS OF A DECAY PHASE MAJOR FLARE FROM
REGION 9077. HOWEVER, REGION 9087 SHOULD BEGIN TO PRODUCE MORE
FREQUENT M-CLASS EVENTS DUE TO NEARBY FLUX EMERGENCE. IF THE AREA
OF NEW FLUX BEGINS TO MERGE WITH THE PREEXISTING FIELDS, MAJOR
FLARES WILL BECOME LIKELY.
IIA. Summaarne geofüüsikaline aktiivsus 17-2100Z kuni 18-2100Z
THE GEOMAGNETIC FIELD WAS QUIET TO SLIGHTLY UNSETTLED. SOLAR WIND
VELOCITY REMAINED ELEVATED, AT TIMES EXCEEDING 600 KM/S. THE
GREATER THAN 10 MEV FLUX BEGAN THE PERIOD AT APPROXIMATELY 50 PFU
AND DECLINED SLOWLY TO NEAR 20 PFU AT THE END OF THE PERIOD. AN
INTERMITTENT FORBUSH DECREASE WAS IN PROGRESS DURING THE DAY.
IIB. Geofüüsikalise aktiivsuse ennustus
THE GEOMAGNETIC FIELD SHOULD BE
PREDOMINANTLY QUIET TO UNSETTLED FOR THE NEXT THREE DAYS.
OCCASIONAL ACTIVE PERIODS ARE POSSIBLE DURING THAT TIME. BASED UPON
THE CURRENT DECAY RATE OF THE GREATER THAN 10 MEV PROTON FLUX, THIS
EVENT SHOULD DECREASE BELOW THRESHOLD LATE ON 19 JUL.
III. Sündmuste tõenäosus 19 JULkuni 21 JUL
| Klass M | 90% | 90% | 90% |
| Klass X | 40% | 40% | 40% |
| Prooton | 99% | 50% | 40% |
| PCAF | YELLOW | ||
IV. Pikklaine 10.7 cm kiirgus
Vaadeldud 18 JUL 249 (ESTIMATED) Prognoositud 19 JUL-21 JUL 255/260/255 90 päeva keskmine 18 JUL 187
V. Geomagneetiline A-indeks
OBSERVED AFR/AP 17 JUL 008/009 ESTIMATED AFR/AP 18 JUL 008/008 PREDICTED AFR/AP 19 JUL-21 JUL 010/010-012/012-012/012
VI. Geomagnetilised aktiivsuse tõenäosused 19 JUL kuni 21 JUL
| A. Keskmistel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 20% | 25% | 25% |
| Väike torm | 10% | 10% | 10% |
| Suur-tõsine torm | 05% | 05% | 05% |
| B. Kõrgetel laiuskraadidel | |||
|---|---|---|---|
| Aktiivne | 20% | 30% | 30% |
| Väike torm | 10% | 15% | 15% |
| Suur-tõsine torm | 05% | 05% | 05% |
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