Joint USAF/NOAA Report of Solar and Geophysical Activity 25 Mar 2006

Product: Report of Solar-Geophysical Activity
Issued: 2006 Mar 25 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 084 Issued at 2200Z on 25 Mar 2006

IA. Analysis of Solar Active Regions and Activity from 24/2100Z to 25/2100Z: Solar activity was very low.

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

IIA. Geophysical Activity Summary 24/2100Z to 25/2100Z: The geomagnetic field was quiet to unsettled. The greater than 2 MeV electron flux at geosynchronous orbit was high.

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

III. Event Probabilities 26 Mar-28 Mar

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

IV. Penticton 10.7 cm Flux

• Observed 25 Mar 076
• Predicted 26 Mar-28 Mar 075/075/075
• 90 Day Mean 25 Mar 079

V. Geomagnetic A Indices

• Observed Afr/Ap 24 Mar 002/004
• Estimated Afr/Ap 25 Mar 005/007
• Predicted Afr/Ap 26 Mar-28 Mar 005/007-005/007-005/005

VI. Geomagnetic Activity Probabilities 26 Mar-28 Mar

A. Middle Latitudes

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

B. High Latitudes

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