Viewing archive of onsdag, 18 december 2002

Solaktivitetsrapport

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.
Rapport för sol- och geofysisk aktivitet 2002 Dec 18 2200 UTC
Skapad av NOAA © SWPC och bearbetad av SpaceWeatherLive.com

USAF/NOAA rapport för sol- och geofysisk aktivitet

SDF Nummer 352 publicerat klockan 2200Z på 18 Dec 2002

IA. Analys av solfläcksgrupper och solaktivitet från 17-2100Z till 18-2100Z

Solar activity was at moderate levels. Region 226 (S28W15) produced two M-class flares today. The largest was an M2.4/1n flare that occurred at 18/0642 UTC, a slightly smaller M1.6/Sf flare occurred at 17/2335 UTC, with several lesser C-class flares originating from this region today as well. The magnetic delta spot configuration remains evident in the intermediate cluster of spots. Region 229 (N19E12) did not produce optically correlated flare activity during the period although the areal spot coverage has increased and the magnetic gamma characteristics remain intact. No new regions were numbered today.
IB. Prognos för solaktivitet
Solar activity is expected to be at moderate levels. Regions 226 and 229 have the potential of producing M-class event activity.
IIA. Sammanfattning av geofysisk aktivitet 17-2100Z till 18-2100Z
The geomagnetic field was at quiet to unsettled levels. The greater than 2 MeV electron flux at geosynchronous orbit reached moderate levels today.
IIB. Prognos för geofysisk aktivitet
The geomagnetic field is expected to be at active to minor storm levels once the onset of the recurrent coronal hole high speed stream begins, which is expected to occur on day one of the forecast period. Day two should see predominantly unsettled to active conditions with isolated periods of minor storm levels. A return to predominantly unsettled conditions with isolated active periods should occur on day three.
III. Chans för solutbrott från 19 Dec till 21 Dec
M-klass60%60%60%
X-klass10%10%10%
Proton05%05%05%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observerad       18 Dec 197
  Prognoserat   19 Dec-21 Dec  195/195/195
  90 Day Mean        18 Dec 165
V. Geomagnetiskt A-index
  Observerad Afr/Ap 17 Dec  002/006
  Förväntat     Afr/Ap 18 Dec  008/012
  Prognoserat    Afr/Ap 19 Dec-21 Dec  020/035-018/020-010/012
VI. Chanser för geomagnetisk aktivitet från 19 Dec till 21 Dec
A. Medelhöga breddgrader
Aktivt40%30%20%
Små stormförhållanden20%15%05%
Svåra stormförhållanden10%05%01%
B. Höga breddgrader
Aktivt45%35%25%
Små stormförhållanden35%25%10%
Svåra stormförhållanden15%10%05%

Gå till översikt idag

Senaste nytt

Stöd SpaceWeatherLive.com!

För att vara tillgängliga vid stora norrskensutbrott måsta vi ha kraftiga servrar som kan hantera alla besökare. Donera och stöd vårt projekt, så att vi kan finnas online även under stora stormar!

23%
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Rymdvädersfakta

Senaste X-utbrottet2024/03/28X1.1
Senaste M-utbrottet2024/03/29M3.2
Senaste geomagnetiska stormen2024/03/25Kp5 (G1)
Fläckfria dagar
Senaste dag utan solfläckar2022/06/08
Månadsvis faktiskt antal solfläckar
februari 2024124.7 +1.7

I dag i historien*

Solutbrott
12001X2.45
22014X1.45
32023X1.2
42024M3.2
52001M3.13
ApG
1199928G2
2200337G1
3201328G1
4200122G1
5199820G1
*sedan 1994

Sociala medier