World: Lowest Sea Level Air Pressure (excluding tornadoes)

Record Value	870 hPa
Date of Event	12 / 10 [October] / 1979
Length of Record	1951-present
Geospatial Location	Pressure Estimated in Eye of Typhoon Tip [16°44'N, 137°46'E]

Reference

Krause and Flood, 1997: Weather and Climate Extremes, US Army Corps of Engineers Topographic Engineering Centerpp. 89; , Dunnavan, G.M. and J.W. Diercks, 1980: "An analysis of Supertyphoon Tip (October 1979)" Mon. Wea. Rev., 180:1915-1923

Discussion

A US Air Weather Service reconnaissance aircraft recorded an onboard measurement of 700 hPa at a height of only 1900 m and a dropsonde measurement of 870 hPa

Previous Record

877 hPa on 24/9/1958, 1200 km (750 mi) east of Luzon (Typhoon Ida) Foreign Branch, 1968: Worldwide extremes of temperature, precipitation and pressure recorded by continental ara, U.S Dept. of Commerce; Environmental Sciences Services Administration pp. 4;