Vizualizarea arhivei de sâmbătă, 20 octombrie 2001

Raport de activitate solară

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.
Raport de activitate solar-geofizică 2001 Oct 20 2200 UTC
Pregătit de NOAA © SWPC și procesat de SpaceWeatherLive.com

Raport comun USAF/NOAA privind activitatea solară și geofizică

Numărul SDF 293 Emis la 2200Z la 20 Oct 2001 ::::::CORRECTED COPY:::::::

IA. Analiza regiunilor active solare și a activității de la 19-2100Z la 20-2100Z

Solar activity was at moderate levels. Region 9658 (S15W73) produced an M3/1f flare at 20/2325 UTC and associated discrete frequency radio bursts. Other activity was centered around Region's 9661 (N15W48) and 9670 (S19E19). Both of these regions produced minor C-class flares though the course of the period. Region 9661 was generally stable and has shown gradual decay as the magnetic delta configuration is no longer apparent in regions spot group. Two new regions were numbered today, Region 9675 (S14E69), and Region 9676 (N13E70).
IB. Prognoza activității solare
Solar activity is expected to be at moderate to high levels. Region 9661 still remains capable of producing an M-class or isolated major flares.
IIA. Rezumatul activității geofizice 19-2100Z la 20-2100Z
The geomagnetic field was predominantly at quiet to unsettled levels. Brief active conditions were observed at both the middle and high latitudes in the 20/1200-1500 UTC period. The greater than 10 MeV proton flux at geosynchronous orbit passed the 10 pfu threshold at 19/2225 UTC, reached a maximum of 11 pfu at 19/2235 UTC. The short lived 10 MeV proton event ended at 19/2255 UTC though flux levels remained elevated at time of bulletin issue.
IIB. Prognoza activității geofizice
The geomagnetic field is expected to be at quiet to minor storm levels with the possibility of isolated major storm conditions late on day one and through day two of the period. Analysis of the full halo CME, on LASCO imagery (X1/2b flare at 19/0105 UTC from Region 9661), indicated shock arrival late on day one or early on day two. A second full halo CME (X1/2b flare at 19/1630 UTC from Region 9661) is expected to arrive late on day two of the period. The greater than 10 MeV proton flux levels from geosynchronous orbit could remain elevated through first day of the period.
III. Probabilități de eveniment 21 Oct până la 23 Oct
Clasa M70%70%70%
Clasa X15%15%15%
Proton15%15%15%
PCAFYellow
IV. Flux de Penticton 10,7 cm
  Observat       20 Oct 245
  Prevăzut   21 Oct-23 Oct  245/240/235
  Media 90 de zile        20 Oct 190
V. Indici geomagnetici A
  Observat Afr/Ap 19 Oct  006/008
  Estimat(ă)     Afr/Ap 20 Oct  ???/???
  Prevăzut    Afr/Ap 21 Oct-23 Oct  025/030-030/035-015/025
VI. Probabilități de activitate geomagnetică 21.Oct până la 23.Oct
A. Latitudinile mijlocii
Activ55%55%40%
Furtună minoră30%30%10%
Furtună major-severă05%05%01%
B. Latitudini înalte
Activ55%55%45%
Furtună minoră30%30%15%
Furtună major-severă10%10%05%

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