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Page:Popular Science Monthly Volume 18.djvu/371

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A JAPANESE TYPHOON.

the rise, progress, and varying intensity of the storm. Of course, considerable time must elapse before such an investigation can be completed; and, unfortunately, even at best the number of accessible and reliable series of observations will be greatly less than could be desired for the successful study of the phenomenon.

In the mean time we deem the matter of sufficient local interest to justify a brief presentation of the principal meteorological features of the storm, based upon observations and records made at the observatory of the University of Tokio.

Although it can hardly be said that this storm gave any marked indications of its immediate approach, yet it is important to observe that

Chart showing the Height of the Barometer from 8 a. m. on the 3d to 2 p. m. on the 4th of October, 1880.

PSM V18 D371 Barometric pressure chart of a typhoon.jpg

there was a steady fall in the barometer from the previous Thursday—September 30th—up to the time of maximum violence of the wind. The first of the accompanying charts exhibits the barometric curve