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Saturday, Oct 25 2014 11:55 UT

Geomagnetic Activity

Daily Planetary A-Index

Product Description

A-index plot displays a time series of the last 28 days of estimated daily planetary A-index.

Target Users

Customers (exploration geophysicists, aeromagnetic survey, researchers) interested in the development of geomagnetic activity over the past month.

Data Source

Global magnetometer data

Cadence

Daily

GEOSTAT Alert

Product Description

This is the latest GEOSTAT alert information. The GEOSTAT (GEOmagnetic STorm Alert Tracking) system has been developed to monitor the progress of a geomagnetic storm from its origin on the sun (Level5), to its impact on the Earth's magnetic field and subsequent geomagnetic storm (Level 0). The alert sequence is from 5 down to 0 to simulate a "countdown" style to the alert levels. When alert levels have been reached the green "No Alert" icon will change to one of the six GEOSTAT alert level icons. If GEOSTAT alert level 0 has not occurred within four days of GEOSTAT alert level 5 being issued, the GEOSTAT icon changes to the "Alert Fail" icon and a message indicating the geomagnetic storm failed to eventuate is issued.

Target Users

Any customer likely to be affected by a geomagnetic storm.

Data Source

Composite of key data streams

Cadence

on demand
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