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The first model used for operational forecasts, the single-layer barotropic model, used a single pressure coordinate at the 500-millibar (15 inHg) level, [6] and thus was essentially two-dimensional. High-resolution models—also called mesoscale models —such as the Weather Research and Forecasting model tend to use normalized pressure ...
The JMA assessed that the typhoon's central pressure bottomed out at 18:00 UTC, with 10-minute sustained winds of 205 km/h (125 mph) and a central minimum pressure of 905 hPa (mbar; 26.73 inHg). [ 17 ] [ 9 ] The JTWC noted additional strengthening on September 12, and assessed Mangkhut to have reached its peak intensity at 18:00 UTC, with one ...
The weather station at Cabo San Lucas recorded maximum winds of 90 mph (140 km/h) and gusts of 117 mph (188 km/h), along with a minimum pressure of 958.9 mbar (pHa, 28.32 inHg). Elsewhere, Bahía de Loreto reported wind gusts of 125 mph (201 km/h), which was the highest reported wind gust during the passage of Odile.
[228] [229] During the next day, Chaba began explosive intensification, [230] reaching Category 5 super typhoon intensity with a sharp 5 nmi (9.3 km; 5.8 mi) wide eye. [231] Chaba reached its peak intensity with 10-minute sustained winds of 215 km/h (135 mph), while 1-minute sustained winds were at 280 km/h (175 mph), and the minimum central ...
[3] [4] [5] During that day, the depression’s low level circulation center continued to rapidly consolidate, while bands of atmospheric convection built and wrapped into the center. [3] As a result, both the JMA and JTWC reported that the depression had developed into a tropical storm, with the JMA naming it Haima after the Chinese word for a ...
The system turned northwestward as steered by a mid-level subtropical ridge. [4] Despite the center was partly exposed, deep convection increased near the center, both JMA and JTWC upgraded the system to a tropical storm early on September 23, and the former agency assigned the name Talas. The storm turned northeast under the influence of ...
Sandra reached its peak intensity as a Category 4 hurricane on the Saffir–Simpson hurricane wind scale with winds of 150 mph (240 km/h) and a pressure of 934 mbar (hPa; 27.58 inHg) early on November 26. Thereafter, increasing shear degraded the hurricane's structure and weakening ensued.