Vaata esmaspäev, 31 detsember 2001 arhiivi
Geofüüsikaline 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.
Summaarne päikese ja geomagnetiline aktiivsus 2001 Dec 31 0245 UTCValminud NOAA © SWPC ja töödeldud SpaceWeatherLive.com-iga
Ühine USAF / NOAA päikese- ja geofüüsikaalase aktiivsuse kokkuvõte
SGAS number 365 Välja antud 0245Z kuni 31 Dec 2001 See aruanne on kogutud SWO-lt saadud andmetel 30 Dec kohtaA. Energeetilised sündmused
Algus Maksimum Lõpp Piirkond Asukoht Röntgenkiirgus Op 245Mhz 10cm Vahelduv 1431 1431 1432 100 1435 1436 1437 880
B. Prootonilised sündmused
The greater than 10 MeV proton flux at
geosynchronous orbit has fluctuated near the event threshold value
of 10 pfu for most of the day, though now appears to be undergoing
an enhancement due to the recent shock passage. As a result of
near-threshold activity, a 10 MeV proton event has been in progress
since 30/0245 UTC. Max flux observed today is 19 pfu, at 30/2355
UTC.
C. Summaarne geomagnetiline aktiivsus
Geomagnetic field activity has
been quiet to active. Most of the day was dominated by ongoing
effects from yesterday's shock passage, with an extended period of
southward IMF producing active conditions during 30/0300-0900 UTC.
Active conditions returned late in the day, when an additional shock
passage was observed at the ACE satellite at 30/1932 UTC, followed
by a sudden impulse of 27 nT observed at Boulder at 30/2010 UTC.
This event is presumed to be an early arrival of effects from the
powerful X-class event of 28 December.
D. Stratosfääri soojenemine (ioniseerumine)
STRATWARM ALERT EXISTS STRATWARM SUNDAY
WARM AIR COVERS MOST OF THE POLAR REGION IN THE UPPER AND MIDDLE
STRATOSPHERE, FURTHER PENETRATING DOWNWARDS. THE TEMPERATURE
GRADIENT BETWEEN 60N AND THE POLE WILL BE REVERSED DOWN TO 50
HPA, AND MEAN ZONAL EASTERLY WINDS ARE EXPECTED BETWEEN 10
AND 1 HPA AT 60N. MAJOR WARMING IN PROGRESS.
E. Päevaindeksid: (reaalajas esialgsed / hinnangulised väärtused)
10 cm 247 SSN 218 Afr/Ap 017/017 X-ray Background C8.4 Igapäevane Prootonvoog (voo tihedus 24 tunni jooksul) GT 1 MeV 1.2e+07 GT 10 MeV 8.6e+05 p/(cm2-ster-day) (GOES-8 satelliidi sünkroniseeritud orbiit W75 kraadi) Päevane elektronide kogum GT 2 MeV 2.10e+06 e/(cm2-ster-day) (GOES-8 satelliidi sünkroniseeritud orbiit W75 kraadi) 3 tunni k-indeks Boulder 3 4 3 2 3 3 4 3 Planetary 3 4 4 2 3 2 4 4
F. Kommentaarid
Afr estimated from Boulder A.
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