Viewing archive of Tuesday, 27 February 2001

Solar activity report

Report of Solar-Geophysical Activity 2001 Feb 27 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 058 Issued at 2200Z on 27 Feb 2001

IA. Analysis of Solar Active Regions and Activity from 26-2100Z to 27-2100Z

Solar activity was low. Three weak C-class X-ray flares occurred during the period. An 11 degree filament (S16W09) disappeared between 26/1545-27/1213 UTC. New Region 9363 (S20W15) was numbered today.
IB. Solar Activity Forecast
Solar activity is expected to be low.
IIA. Geophysical Activity Summary 26-2100Z to 27-2100Z
The geomagnetic field was quiet to active.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to be quiet to unsettled for the next three days.
III. Event Probabilities 28 Feb to 02 Mar
Class M 10%10%10%
Class X 01%01%01%
Proton01%01%01%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observed       27 Feb 131
  Predicted    28 Feb-02 Mar  130/130/135
  90 Day Mean        27 Feb 164
V. Geomagnetic A Indices
  Observed Afr/Ap 26 Feb  005/010
  Estimated     Afr/Ap 27 Feb  015/012
  Predicted     Afr/Ap 28 Feb-02 Mar  008/008-008/008-005/005
VI. Geomagnetic Activity Probabilities 28 Feb to 02 Mar
A. Middle Latitudes
Active20%20%15%
Minor storm 05%05%05%
Major-severe storm 01%01%01%
B. High Latitudes
Active25%25%20%
Minor storm 10%10%05%
Major-severe storm 01%01%01%

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