Viewing archive of Tuesday, 13 March 2001

Solar activity report

Report of Solar-Geophysical Activity 2001 Mar 13 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 072 Issued at 2200Z on 13 Mar 2001

IA. Analysis of Solar Active Regions and Activity from 12-2100Z to 13-2100Z

Solar activity was low with two C1 X-ray flares, both optically uncorrelated. New Region 9381 (S19E37) was numbered today.
IB. Solar Activity Forecast
Solar activity is expected to be predominantly low with a chance for an isolated M-class flare.
IIA. Geophysical Activity Summary 12-2100Z to 13-2100Z
The geomagnetic field was quiet to unsettled.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to be quiet to unsettled.
III. Event Probabilities 14 Mar to 16 Mar
Class M40%45%50%
Class X05%05%05%
Proton05%05%05%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observed       13 Mar 147
  Predicted   14 Mar-16 Mar  145/145/145
  90 Day Mean        13 Mar 162
V. Geomagnetic A Indices
  Observed Afr/Ap 12 Mar  008/010
  Estimated     Afr/Ap 13 Mar  008/008
  Predicted    Afr/Ap 14 Mar-16 Mar  005/005-005/005-005/005
VI. Geomagnetic Activity Probabilities 14 Mar to 16 Mar
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%

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