Viewing archive of Tuesday, 25 June 2002

Solar activity report

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.
Report of Solar-Geophysical Activity 2002 Jun 25 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 176 Issued at 2200Z on 25 Jun 2002

IA. Analysis of Solar Active Regions and Activity from 24-2100Z to 25-2100Z

Solar activity decreased to very low levels. Isolated B-class X-ray flares occurred, one of which was associated with an optical subflare from Region 8 (S11W15). Region 8 showed no significant changes during the period with minor mixed polarities present within the spots just south of the dominant, asymmetric leader spot. Region 5 (N11W44) showed gradual loss of spots and area. Decay was also noted in Region 11 (S12E23). No significant changes were noted in the remaining regions including newly numbered Region 16 (S15E71).
IB. Solar Activity Forecast
Solar activity is expected to be at very low to low levels.
IIA. Geophysical Activity Summary 24-2100Z to 25-2100Z
Geomagnetic field activity was at quiet to unsettled levels.
IIB. Geophysical Activity Forecast
Geomagnetic field activity is expected to be at quiet to unsettled levels.
III. Event Probabilities 26 Jun to 28 Jun
Class M25%25%25%
Class X05%05%05%
Proton05%05%05%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observed       25 Jun 145
  Predicted   26 Jun-28 Jun  145/145/145
  90 Day Mean        25 Jun 154
V. Geomagnetic A Indices
  Observed Afr/Ap 24 Jun  005/010
  Estimated     Afr/Ap 25 Jun  010/010
  Predicted    Afr/Ap 26 Jun-28 Jun  007/008-007/008-007/008
VI. Geomagnetic Activity Probabilities 26 Jun to 28 Jun
A. Middle Latitudes
Active20%20%20%
Minor storm05%05%05%
Major-severe storm01%01%01%
B. High Latitudes
Active25%25%25%
Minor storm05%05%05%
Major-severe storm01%01%01%

<< Go to daily overview page

Latest news

Support SpaceWeatherLive.com!

A lot of people come to SpaceWeatherLive to follow the Sun's activity or if there is aurora to be seen, but with more traffic comes higher server costs. Consider a donation if you enjoy SpaceWeatherLive so we can keep the website online!

54%
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2024/03/28X1.1
Last M-flare2024/04/25M1.3
Last geomagnetic storm2024/04/19Kp7 (G3)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2024104.9 -19.8
Last 30 days133.9 +26.6

This day in history*

Solar flares
12014X1.99
22001M3.98
32004M3.25
42003M1.84
52024M1.3
ApG
1200333G1
2201227G1
3199826G1
4202118G1
5199517G1
*since 1994

Social networks