Viewing archive of Saturday, 26 February 2005

Solar activity report

Report of Solar-Geophysical Activity 2005 Feb 26 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 057 Issued at 2200Z on 26 Feb 2005

IA. Analysis of Solar Active Regions and Activity from 25-2100Z to 26-2100Z

Solar activity has been very low. Region 739 (S04E52) was newly numbered today.
IB. Solar Activity Forecast
Solar activity is expected to be very low.
IIA. Geophysical Activity Summary 25-2100Z to 26-2100Z
The geomagnetic field has been at quiet to unsettled levels.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to be at quiet to active with isolated minor storm levels occurring through 28 Feb. A high-speed solar wind stream associated with a coronal hole should become geoeffective from 27 through 28 Feb. Quiet to unsettled levels are expected for 01 Mar.
III. Event Probabilities 27 Feb to 01 Mar
Class M01%01%01%
Class X01%01%01%
Proton01%01%01%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observed       26 Feb 077
  Predicted   27 Feb-01 Mar  080/080/080
  90 Day Mean        26 Feb 098
V. Geomagnetic A Indices
  Observed Afr/Ap 25 Feb  009/009
  Estimated     Afr/Ap 26 Feb  012/015
  Predicted    Afr/Ap 27 Feb-01 Mar  015/020-012/020-008/012
VI. Geomagnetic Activity Probabilities 27 Feb to 01 Mar
A. Middle Latitudes
Active25%25%25%
Minor storm15%15%10%
Major-severe storm05%05%01%
B. High Latitudes
Active30%30%30%
Minor storm20%20%20%
Major-severe storm10%10%05%

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