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Hurricane Javier (2004)

Hurricane Javier was a powerful tropical cyclone whose remnants brought above-average rainfall totals across the western United States in September 2004. Javier was the tenth named storm, the sixth hurricane and the final major hurricane of the 2004 Pacific hurricane season. Javier was also the strongest hurricane of the 2004 season, with 150 mph (240 km/h) winds and a central pressure of 930 millibars. However, because of high wind shear in the East Pacific, Javier weakened rapidly before making landfall in Baja California as a tropical depression. The remnants of the storm then continued moving northeast through the Southwestern United States. Javier caused no direct fatalities, and the damage in Mexico and the United States was minimal.

Meteorological history
On August 29, a tropical wave moved off the western coast of Africa. It tracked westward across the Atlantic basin, remaining devoid of deep convection—intense shower and thunderstorm activity—for several days. The disturbance interacted with a cold-core low in the vicinity of the Leeward Islands, and both features continued west across the Caribbean Sea. The wave crossed Central America on September 9 as convection steadily increased, and development of thunderstorm activity continued as it entered the East Pacific basin. Despite featuring limited outflow owing to modest easterly wind shear, the system acquired sufficient organization to be deemed a tropical depression around 18:00 UTC on September 10. The newly designated Tropical Depression Thirteen-E was located approximately south-southeast of Salina Cruz, Oaxaca, at this time. This increase in organization suggested that it strengthened into Tropical Storm Javier around 12:00 UTC on September 11. Over the coming days, a subtropical ridge positioned over Mexico directed Javier on a west-northwest to northwest track offshore the coastline of Mexico. it strengthened into a hurricane around 18:00 UTC on September 12. Javier continued to experience light northeasterly wind shear as it had since the system originally formed, resultant from an upper-level anticyclone focused over the Gulf of California. In spite of this shear, the cyclone soon began a period of rapid intensification as it developed a clear eye embedded within convection as cold as . Javier attained major hurricane—Category 3 or greater on the Saffir–Simpson scale—intensity around 12:00 UTC on September 13, and within 12 hours it reached its peak intensity as a strong Category 4 hurricane. Satellite intensity estimates suggested the system attained winds of 150 mph (240 km/h) and a minimum barometric pressure of , translating to a 65 mph (100 km/h) increase in winds and a drop in central pressure over the course of just 24 hours. which caused it to weaken under hurricane strength around 12:00 UTC on September 18. Javier was further reduced to a tropical depression within 12 hours. The weakening tropical depression moved onshore Baja California between Cabo San Lázaro and Punta Abreojos around 11:00 UTC on September 19. As it moved north and then north-northeast, it crossed into the Sea of Cortes. the fledging system degenerated to a remnant low around 18:00 UTC that day. The circulation moved into mainland Mexico near Guaymas and dissipated over the mountainous terrain of Sonora on September 20. ==Preparations==
Preparations
Javier's strength was difficult to forecast. In its formation stages many of the forecast models gave out a complex suggestions of where the storm should go. One of the models forecast the storm to move west for a couple of days and then stall offshore and then turn east and hit western Guatemala. The rapid intensification was also difficult to forecast compared to average forecast errors in a ten-year period. The warnings for western mainland Mexico were then dropped as the storm did not recurve as predicted. However, more tropical storm warnings were issued for Baja California and northwestern Mexico as Javier was located southwest of Baja California. Forecasters predicted that Javier would bring a storm surge of 1–3 feet, (0.3–1 meters)rainfall of 3-6 inches (7.6-15.2 cm), and strong rip currents. The National Hurricane Center, predicted that Javier will parallel the Baja California coastline according to their forecast models and recurve as a weak storm and dissipate over the Southwestern United States. On September 18, Mexican officials discontinued the warnings for Baja California when Javier weakened to a tropical depression before making landfall. ==Impact==
Impact
Winds up to tropical storm force were reported by ships at sea. Javier's flooding rains damaged portions of highway 1 near Vizcaino and three fishermen were reported missing when their ship was lost during the storm. In addition, oil prices began to climb when Javier passed through the area. However, overall damage in Baja California was minimal. In Arizona, the remnants of Javier dropped widespread, light to moderate rainfall, improving topsoil moisture and greatly affecting a prolonged drought in the Southwestern United States. Maximum rainfall in the state reached in Walnut Creek. In Tucson, the airport received rainfall of 0.37 inches (93 mm) while the University of Arizona reported 0.89 inches (26 mm) of rain. Lightning and rain from Javier delayed the University of Arizona Wildcats football game against the Wisconsin Badgers for 88 minutes late in the second quarter, and flooding closed several roads. Grand Canyon, Arizona received of rain, exactly one fifth of its yearly average. In terms of point maxima, Javier is the rainiest tropical cyclone on record in the period 1972–2008 in Wyoming and North Dakota. ==See also==
Source: Wikipedia ↗
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