Viewing archive of Tuesday, 23 March 2004

Solar activity report

Report of Solar-Geophysical Activity 2004 Mar 23 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 083 Issued at 2200Z on 23 Mar 2004

IA. Analysis of Solar Active Regions and Activity from 22-2100Z to 23-2100Z

Solar activity remained low. The four disk regions grew marginally during the past 24 hours. Only two C-class flares occurred, at 0042 UTC from Region 578 (N15E05) and at 0725 UTC from Region 574 (S04W25). Little else of significance was observed.
IB. Solar Activity Forecast
Solar activity is expected to continue low.
IIA. Geophysical Activity Summary 22-2100Z to 23-2100Z
The geomagnetic field was quiet to unsettled.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to persist at quiet to unsettled levels throughout the interval.
III. Event Probabilities 24 Mar to 26 Mar
Class M10%10%10%
Class X01%01%01%
Proton01%01%01%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observed       23 Mar 118
  Predicted   24 Mar-26 Mar  120/120/115
  90 Day Mean        23 Mar 111
V. Geomagnetic A Indices
  Observed Afr/Ap 22 Mar  008/011
  Estimated     Afr/Ap 23 Mar  007/012
  Predicted    Afr/Ap 24 Mar-26 Mar  010/010-010/010-010/010
VI. Geomagnetic Activity Probabilities 24 Mar to 26 Mar
A. Middle Latitudes
Active20%20%20%
Minor storm05%05%05%
Major-severe storm01%01%01%
B. High Latitudes
Active25%25%25%
Minor storm10%10%10%
Major-severe storm05%05%05%

<< Go to daily overview page

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!

79%

Space weather facts

Last X-flare2017/09/10X8.2
Last M-flare2020/05/29M1.1
Last geomagnetic storm2020/04/20Kp5 (G1)
Spotless days
Last 365 days296 days
2020157 days (73%)
Last spotless day2020/07/20

This day in history*

Solar flares
12002X1.0
22011M6.0
32005M3.4
42011M1.7
52001M1.5
ApG
1201632G1
2201025G3
3199721G1
4200314
5200214G1
*since 1994

Social networks