Status Report

Joint USAF/NOAA Report of Solar and Geophysical Activity 22 Aug 2007

By SpaceRef Editor
August 22, 2007
Filed under , , ,
Joint USAF/NOAA Report of Solar and Geophysical Activity 22 Aug 2007
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Product: Report of Solar-Geophysical Activity
Issued: 2007 Aug 22 2200 UTC
Prepared jointly by the U.S. Dept. of Commerce, NOAA,
Space Environment Center and the U.S. Air Force.

Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 234 Issued at 2200Z on 22 Aug 2007

IA. Analysis of Solar Active Regions and Activity from 21/2100Z to 22/2100Z: Solar activity was very low.

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

IIA. Geophysical Activity Summary 21/2100Z to 22/2100Z: The geomagnetic field has been quiet.

IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be quiet 23 – 24 August and quiet to unsettled 25 August.

III. Event Probabilities 23 Aug-25 Aug

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

IV. Penticton 10.7 cm Flux

  • Observed 22 Aug 070
  • Predicted 23 Aug-25 Aug 070/070/070
  • 90 Day Mean 22 Aug 071

V. Geomagnetic A Indices

  • Observed Afr/Ap 21 Aug 003/004
  • Estimated Afr/Ap 22 Aug 004/005
  • Predicted Afr/Ap 23 Aug-25 Aug 004/005-002/005-010/015

VI. Geomagnetic Activity Probabilities 23 Aug-25 Aug

A. Middle Latitudes

  • Active 15/15/25
  • Minor storm 01/01/10
  • Major-severe storm 01/01/05

B. High Latitudes

  • Active 20/20/30
  • Minor storm 01/01/15
  • Major-severe storm 01/01/10

SpaceRef staff editor.