Nora (1973, Western North Pacific): Track, Intensity and Historical Data

Typhoon Nora was a tropical cyclone documented in the Western North Pacific during the 1973 season. Official meteorological records maintained in NOAA's International Best Track Archive for Climate Stewardship (IBTrACS) indicate the storm was active between October 1, 1973, and October 11, 1973.

Storm Overview and Core Meteorological Parameters

The system is indexed under IBTrACS storm identifier 1973274N10136. Throughout its tracked duration, Nora maintained an official central minimum pressure that dropped as low as 875.0 millibars (hPa), assessed under the World Meteorological Organization (WMO) responsible agency framework led by the regional center in Tokyo.

• Basin: Western North Pacific (WP)
• Observation Period: October 1, 1973, to October 11, 1973 (CE)
• Minimum Central Pressure: 875.0 mb
• Pressure Assessment Basis: WMO responsible agency (Tokyo)
• Total Track Points Recorded: 81 points along the primary track

Track and Trajectory Analysis

The tracking dataset consists of 81 discrete positional observations over a 10-day span. Nora initially organized in the lower latitudes of the Western Pacific before tracking northwestward across the basin.

The mean track position throughout the system's recorded history was approximately latitude 16.01°N and longitude 126.95°E. The track evolved from east of the Philippines into higher northern latitudes over its lifecycle.

The final tracked point in the official archive was recorded at 00:00 UTC on October 11, 1973, at latitude 27.0°N, longitude 116.6°E, marking the conclusion of the storm's best-track entry.