Viewing archive of Wednesday, 29 September 2004

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 2004 Sep 29 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 273 Issued at 2200Z on 29 Sep 2004

IA. Analysis of Solar Active Regions and Activity from 28-2100Z to 29-2100Z

Solar activity was very low. A solar filament centered at N34W47 disappeared sometime between 29/0004 UTC and 29/0533 UTC.
IB. Solar Activity Forecast
Solar activity is expected to be very low.
IIA. Geophysical Activity Summary 28-2100Z to 29-2100Z
The geomagnetic field has been quiet to unsettled.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to be quiet to unsettled.
III. Event Probabilities 30 Sep to 02 Oct
Class M01%01%01%
Class X01%01%01%
Proton01%01%01%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observed       29 Sep 090
  Predicted   30 Sep-02 Oct  090/090/090
  90 Day Mean        29 Sep 111
V. Geomagnetic A Indices
  Observed Afr/Ap 28 Sep  005/008
  Estimated     Afr/Ap 29 Sep  005/008
  Predicted    Afr/Ap 30 Sep-02 Oct  005/005-005/005-005/008
VI. Geomagnetic Activity Probabilities 30 Sep to 02 Oct
A. Middle Latitudes
Active20%20%20%
Minor storm10%10%10%
Major-severe storm05%05%05%
B. High Latitudes
Active30%30%30%
Minor storm10%10%10%
Major-severe storm05%05%05%

All times in UTC

<< 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!

SpaceWeatherLive Pro
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2024/12/08X2.2
Last M-flare2024/12/23M1.0
Last geomagnetic storm2024/12/17Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
November 2024152.5 -13.9
December 2024106.6 -45.9
Last 30 days116.1 -41.8

This day in history*

Solar flares
12015M6.75
21998M3.34
32013M2.36
42013M1.97
52001M1.69
DstG
12002-67
22000-62G2
31989-60
42014-57
51982-53G1
*since 1994

Social networks