Physics – Geophysics
Scientific paper
Aug 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979stp.....1..398h&link_type=abstract
In NOAA Solar-Terrest. Predictions Proc., Vol. 1 p 398-405 (SEE N80-18462 09-42)
Physics
Geophysics
Geomagnetism, Magnetic Anomalies, Solar Activity Effects, Geophysics, Latitude Measurement, Magnetic Effects, Reliability Analysis
Scientific paper
A 27 day forecast of geomagnetic activity based on the forecasts from two locations is presented. To evaluate the reliability of the forecasts, the predicted activity was compared with the actual geomagnetic activity at five geomagnetic observatories located in different magnetic zones: Ottawa (57.0N, 351.5E); Meanook (61.8N, 301.0E); Fort Churchill (68.8N, 322.5E); Cambridge Bay (76.7N, 294.0E); and Resolute Bay (83.1N, 287.7E). Results indicate that the percentage of correct predictions varies with the geomagnetic latitude of the observatory used for comparison. The percentage is on the average highest for lower latitude stations and lowest for the northern stations. The number of incorrect predictions ranges from 4.7% for Ottawa to 8.4% for Churchill.
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