![]() ![]() Upon landfall, a barometer in Tampico reported a minimum pressure of 1003 mbar (hPa 29.62 inHg). Just prior to landfall at 0100 UTC, a ship had reported winds of 80 mph (130 km/h) from the southeast and a pressure of 996 mbar (hPa 29.42 inHg). The storm's minimum barometric pressure at landfall was 985 mbar (hPa 29.10 inHg) this would be the lowest pressure estimated in association with the storm, though it was not included in HURDAT. At the time, the cyclone had maximum sustained winds of 80 mph (130 km/h), making it a Category 1 on the modern-day Saffir–Simpson hurricane wind scale. Shortly after, the hurricane made landfall south of Tampico, Mexico near La Leja at 0300 UTC on September 7. Continuing to intensify throughout the day, the tropical storm was estimated to have reached hurricane intensity by the following day. Despite the analyzed intensification, the updated Signal Corps weather maps for the tropical cyclone that day indicated that the system had degenerated back into an open trough. The system remained a tropical depression until 0000 UTC on September 6, when it was estimated to have attained tropical storm intensity. At the time, the storm was estimated to have a minimum barometric pressure of at least 1010 mbar ( hPa 29.83 inHg). Its lack of organization resulted in its estimated misplacement inland over Mexico in the Signal Corps's weather map for September 5. In its initial stages after tropical cyclogenesis, the disturbance moved very slowly and did not intensify. The area of disturbed weather gradually organized, and was analyzed to have become a tropical depression by 1200 UTC on September 4. In early September, a trough of low-pressure persisted in the southwestern Gulf of Mexico, near the Bay of Campeche. Meteorological history Storm path of the hurricaneĮxtratropical cyclone, remnant low, tropical disturbance, or monsoon depression The high precipitation totals set nationwide records which would stand for several years. Similarly, an observation of 36.40 in (925 mm) elsewhere in Williamson County, Texas ranked as the sixth-highest tropical cyclone-related rainfall total for the state. ![]() Precipitation peaked over Central Texas, where the highest rainfall amount measured was 40 in (1,016 mm) near Thrall, Texas this was the fourth-highest tropical cyclone-related rainfall total in Texas since record keeping began. Due to an orographic lifting effect, the remnants were able to produce torrential and record rainfall over the state. However, a nearby high-pressure area forced the remnants of the system northward into Texas. The storm weakened over land, and lost cyclonic characteristics later that day. Moving slowly in a general westward direction, the disturbance reached hurricane intensity on September 7 prior to making landfall south of Tampico, Mexico the following day. On September 4, a tropical cyclone developed in the southwestern Gulf of Mexico near the Bay of Campeche. state of Texas, particularly in the San Antonio region. In early September 1921, the remnants of a Category 1 hurricane brought damaging floods to areas of Mexico and the U.S. Today is highlighted.Surface weather analysis of the hurricane on September 7 after making landfall Dates are based on the Gregorian calendar. Time is adjusted for DST when applicable. * All times are local time for San Antonio. Business Date to Date (exclude holidays). ![]()
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