Status Report

Joint USAF/NOAA Report of Solar and Geophysical Activity 23 Sep 2008

By SpaceRef Editor
September 23, 2008
Filed under , , ,

Product: Report of Solar-Geophysical Activity
Issued: 2008 Sep 23 2200 UTC
Prepared jointly by the U.S. Dept. of Commerce, NOAA,
Space Weather Prediction Center and the U.S. Air Force.

Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 267 Issued at 2200Z on 23 Sep 2008

IA. Analysis of Solar Active Regions and Activity from 22/2100Z to 23/2100Z: Solar activity was very low. No flares occurred during the past 24 hours. Region 1002 (N26W40) was quiet and stable and has decayed to a small C-type sunspot group.

IB. Solar Activity Forecast: Solar activity is expected to be very low.

IIA. Geophysical Activity Summary 22/2100Z to 23/2100Z: The geomagnetic field was quiet during the past 24 hours.

IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be quiet for the next three days (24-26 September).

III. Event Probabilities 24 Sep-26 Sep

  • Class M 01/01/01
  • Class X 01/01/01
  • Proton 01/01/01
  • PCAF Green

IV. Penticton 10.7 cm Flux

  • Observed 23 Sep 069
  • Predicted 24 Sep-26 Sep 069/069/069
  • 90 Day Mean 23 Sep 066

V. Geomagnetic A Indices

  • Observed Afr/Ap 22 Sep 002/004
  • Estimated Afr/Ap 23 Sep 003/005
  • Predicted Afr/Ap 24 Sep-26 Sep 005/005-005/005-005/005

VI. Geomagnetic Activity Probabilities 24 Sep-26 Sep

  • A. Middle Latitudes
  • Active 10/10/10
  • Minor storm 01/01/01
  • Major-severe storm 01/01/01

B. High Latitudes

  • Active 10/10/10
  • Minor storm 01/01/01
  • Major-severe storm 01/01/01

SpaceRef staff editor.