Joint USAF/NOAA Report of Solar and Geophysical Activity 28 Feb 2006

Product: Report of Solar-Geophysical Activity
Issued: 2006 Feb 28 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 059 Issued at 2200Z on 28 Feb 2006

IA. Analysis of Solar Active Regions and Activity from 27/2100Z to 28/2100Z: Solar activity was very low. A 17 degree disappearing filament located at S28W40 occurred between 28/0021 UTC and 28/1505 UTC.

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

IIA. Geophysical Activity Summary 27/2100Z to 28/2100Z: The geomagnetic field was quiet to unsettled.

IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be predominately quiet.

III. Event Probabilities 01 Mar-03 Mar

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

IV. Penticton 10.7 cm Flux

• Observed 28 Feb 077
• Predicted 01 Mar-03 Mar 080/080/080
• 90 Day Mean 28 Feb 084

V. Geomagnetic A Indices

• Observed Afr/Ap 27 Feb 002/003
• Estimated Afr/Ap 28 Feb 005/008
• Predicted Afr/Ap 01 Mar-03 Mar 005/005-005/005-005/008

VI. Geomagnetic Activity Probabilities 01 Mar-03 Mar

A. Middle Latitudes

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

B. High Latitudes

• Active 15/15/20
• Minor storm 05/05/10
• Major-severe storm 01/01/01