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PRELIMINARY DAILY SUMMARY OF SOLAR GEOPHYSICAL ACTIVITY
20 MARCH, 2010
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(Based in-part on SEC Data.)
(The final report will be released tommorrow.)
PRELIMINARY SOLAR & GEOPHYSICAL INDICES FOR 20 MARCH, 2010
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DRAO 10.7 cm Solar Flux at 18Z, 20Z, 22Z: N/A, N/A, N/A sfu.
Predicted Solar Flux for Next 3 Days: 84, 84, 84.
Average 90-day Solar Flux: 81.
Current Middle Latitude A-Index: 9
Current Boulder K-Indices: 1341 222*
Current Planetary K-Indices: 1331 212*
Boulder A-Index 3-Day Forecast: 5, 5, 5.
Planetary A-Index 3-Day Forecast: 5, 5, 5.
SYNOPSIS OF TODAYS ACTIVITY
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Solar activity was very low. Region 1054 (N16W82) has
decayed to an axx alpha spot and has been quiet. Region 1056
(N18E07) remains stable and quiet as a bxo beta region. A fast
moving cme that overtook the cme from 19 march is visible off the
west limb on lasco C3.
Solar activity forecast: solar activity is expected to remain
very low for the next 3 days (21-23 march).
The geomagnetic field was mostly quiet with a brief period of
unsettled to active conditions (03-09Z) due to extended bz south and
slightly elevated solar wind speeds near 420km/s.
Geophysical activity forecast: the geomagnetic field is
expected to remain quiet with brief periods of unsettled conditions
over the next 3 days (21-23 march).
Event probabilities 21 mar-23 mar
Class M 01/01/01
Class X 01/01/01
Proton 01/01/01
PCAF green
Geomagnetic activity probabilities 21 mar-23 mar
A. Middle Latitudes
Active 10/10/10
Minor storm 05/05/05
Major-severe storm 01/01/01
B. High Latitudes
Active 10/10/10
Minor storm 05/05/05
Major-severe storm 01/01/01
** End of Daily Report **