The Distribution and Variability of Cold-Front Precipitation

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  • 1 Massachusetts Institute of Technology
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Radar data are used to investigate wintertime cold-front precipitation patterns in the vicinity of Cambridge, Massachusetts. No significant correlation was found to exist between the extent of precipitation as indicated by radar-scope coverage and selected synoptic parameters—with the exception of the Instability Index which proved to be significant at the 5 per cent level. Further comparison is made between the average precipitation amounts as indicated by the climatological network of rain gauges and the same synoptic parameters. Again, a significant correlation was found to exist only for the Instability Index.

1 Based on the M.S. Thesis, Dept. of Meteor., Mass. Inst. Tech., Cambridge, Mass., 1957.

2 Participated while assigned to Mass. Inst. Tech. by UAFSIT. Present address: Det. 2, 2nd Weather Group, Langley AFB, Virginia.

Radar data are used to investigate wintertime cold-front precipitation patterns in the vicinity of Cambridge, Massachusetts. No significant correlation was found to exist between the extent of precipitation as indicated by radar-scope coverage and selected synoptic parameters—with the exception of the Instability Index which proved to be significant at the 5 per cent level. Further comparison is made between the average precipitation amounts as indicated by the climatological network of rain gauges and the same synoptic parameters. Again, a significant correlation was found to exist only for the Instability Index.

1 Based on the M.S. Thesis, Dept. of Meteor., Mass. Inst. Tech., Cambridge, Mass., 1957.

2 Participated while assigned to Mass. Inst. Tech. by UAFSIT. Present address: Det. 2, 2nd Weather Group, Langley AFB, Virginia.

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