[Propagation] Joint USAF/NOAA Report of Solar and Geophysical Activity

["Thomas Giella KN4LF" <kn4lf@tampabay.rr.com>]

Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 098 Issued at 2200Z on 08 Apr 2005

IA.  Analysis of Solar Active Regions and Activity from  07/2100Z
to 08/2100Z:  Solar activity was very low.  New Region 751 (S08W59)
was numbered today.

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

IIA.  Geophysical Activity Summary 07/2100Z to 08/2100Z:
The geomagnetic field was quiet.  The greater than 2 MeV flux at
geosynchronous orbit was at high levels today.

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

III.  Event Probabilities 09 Apr-11 Apr
Class M    05/05/05
Class X    01/01/01
Proton     01/01/01
PCAF       green

IV.  Penticton 10.7 cm Flux
Observed           08 Apr 088
Predicted   09 Apr-11 Apr  085/085/085
90 Day Mean        08 Apr 096

V.  Geomagnetic A Indices
Observed Afr/Ap 07 Apr  004/008
Estimated Afr/Ap 08 Apr  005/005
Predicted Afr/Ap 09 Apr-11 Apr  005/008-005/008-005/010

VI.  Geomagnetic Activity Probabilities 09 Apr-11 Apr
A.  Middle Latitudes
Active                15/15/15
Minor storm           05/05/05
Major-severe storm    01/01/01
B.  High Latitudes
Active                20/20/25
Minor storm           10/10/10
Major-severe storm    01/01/01
73 & GUD DX,
Thomas F. Giella, KN4LF
Retired Space & Atmospheric Weather Forecaster
Plant City, FL, USA
Grid Square EL87WX
Lat & Long 27 58 33.6397 N 82 09 52.4052 W
kn4lf@arrl.net

Contesting Propagation eReflector: 
http://lists.contesting.com/mailman/listinfo/propagation
HC-DX Propagation Channel: 
http://www.hard-core-dx.com/index.php?topic=Propagation
KN4LF Daily Solar Space Weather & Geomagnetic Data Archive: 
http://www.kn4lf.com/kn4lf5.htm
KN4LF Daily LF/MF/HF Radio Propagation Outlook: 
http://www.kn4lf.com/kn4lf6.htm
KN4LF HF/MF Radio Propagation Theory Notes: http://www.kn4lf.com/kn4lf8.htm
KN4LF Amateur & SWL Radio History: http://www.kn4lf.com/index.htm



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