Meteorological history | |
---|---|
Formed | September 22,2024 |
Dissipated | September 27,2024 |
Category 3 major hurricane | |
1-minute sustained (SSHWS/NWS) | |
Highest winds | 120 mph (195 km/h) |
Lowest pressure | 959 mbar (hPa);28.32 inHg |
Overall effects | |
Fatalities | 29 |
Damage | $1 billion (2024 USD) |
Areas affected | Southwestern Mexico (especially Oaxaca and Guerrero) |
Part of the 2024 Pacific hurricane season |
Hurricane John was a powerful tropical cyclone that caused deadly flooding across southern Mexico for several days in September 2024. The eleventh named storm,fourth hurricane,and second major hurricane of the 2024 Pacific hurricane season,John originated from a low-pressure area offshore Southern Mexico. This low developed into Tropical Depression Ten‑E on the afternoon of September 22,strengthening into Tropical Storm John the following morning. Undergoing rapid intensification,John strengthened from a moderate tropical storm into a Category 3 hurricane on September 24. It was at that intensity that John made landfall in Marquelia,Guerrero,later that day. Once inland,John rapidly weakened,dissipating over Mexico later that day. However,the mid-level remnants of John moved back over the ocean,where favorable conditions enabled John to redevelop. On September 27,after again becoming a minimal hurricane,Tropical Storm John made its second landfall,this time near Tizupan,Michoacán. Hours later,it dissipated for a final time over the coastal mountains.
John resulted in strong winds,significant flooding,and numerous mudslides across much of coastal southwestern Mexico. A total of 950 mm (37 in) of rain fell across parts of Guerrero,with similarly extreme rainfall in neighboring Oaxaca and Michoacán. More than 98,000 people lost power in Oaxaca. As of September 28,twenty-nine deaths have been reported in association with John.
On September 21, an area of low pressure producing disorganized showers and thunderstorms formed off the coast of southern Mexico. [1] The system became better organized the following day and attained a closed surface circulation, resulting in the formation of Tropical Depression Ten‑E on the afternoon of September 22, about 175 mi (280 km) south of Punta Maldonado, Guerrero. [2] The system continued to develop that night, and strengthened into Tropical Storm John at 06:00 UTC the following morning. [3] While moving slowly to the north-northeast on September 23, caught in the southwesterly flow associated with the monsoon trough near Central America, [4] John commenced to rapidly intensify. It became a Category 1 hurricane at 17:45 UTC that same day, [5] and then, just nine hours later, reached Category 3 major hurricane intensity with sustained winds of 120 mph (195 km/h). [6] It was at that intensity that John made landfall in Marquelia, Guerrero, about 25 mi (40 km) northwest of Punta Maldonado, at 03:20 UTC on September 24. [7] John rapidly weakened inland, with its winds falling to tropical storm strength about 12 hours later. [8] By 18:00 UTC on September 24, John dissipated over the rugged terrain of southern Mexico. [9]
An elongated trough developed in association with John's remnants as the cyclone dissipated. [9] The trough produced a large area of shower and thunderstorm activity, and began showing signs of organization on September 25. [10] Ship observations indicated significant pressure falls within the system, and by 15:00 UTC, John reformed into a tropical storm. [11] [12] John moved slowly to the north-northwest after it reformed, and within favorable environmental conditions for strengthening, the storm steadily re-intensified. [13] Continuing its slow motion very close to the southwestern coast of Mexico, John developed a small, closed eye, and re-intensified to a minimal hurricane at 12:00 UTC on September 26. [14] [15] John continued to move very slowly near the coast, where its proximity to the rugged terrain of Mexico halted intensification; the cyclone weakened to a tropical storm at 3:00 UTC the following day. [16] After hugging the coast for nearly 36 hours and continuing to weaken, John finally made landfall on southwestern Mexico for the second time at 18:00 UTC on September 27. [17] John's surface center dissipated shortly thereafter, and the United States-based National Hurricane Center issued its final advisory on the storm three hours later. [18]
This section needs expansion. You can help by adding to it. (September 2024) |
Upon the formation of John as a tropical cyclone on the afternoon of September 22, a Tropical Storm Watch was issued from Punta Maldonado to Salina Cruz, Oaxaca. [19] At 09:00 UTC the following day, this was changed to a Tropical Storm Warning from Punta Maldonado to Huatulco, with a Tropical Storm Watch extending to Salina Cruz. A Hurricane Watch was declared within the Tropical Storm Warning area. [20] The Hurricane Watch was upgraded to a Hurricane Warning a few hours later. [21] A red emergency alert was issued for Guerrero and Oaxaca. [22] John threatened parts of Mexico still recovering from Hurricane Otis the previous year, which underwent a similar rapid intensification phase. Tourists in Puerto Escondido, Oaxaca, were expected to be evacuated by the Secretariat of Civil Protection (SSPC). [23] Businesses across the city were closed. [24] The Puerto Escondido International Airport also closed for the duration of the storm. [25] More than 80 emergency shelters were prepared and 3,000 people were evacuated. [24] The Federal Electricity Commission (CFE) deployed over 1,400 electricians and several cranes and emergency power plants to respond to power outages in affected regions. [26] Schools were closed in Guerrero and Oaxaca. [22]
This section needs expansion. You can help by adding to it. (October 2024) |
Rank | Cyclone | Season | Damage | Ref |
---|---|---|---|---|
1 | Otis | 2023 | $12–16 billion | [27] |
2 | Manuel | 2013 | $4.2 billion | [28] |
3 | Iniki | 1992 | $3.1 billion | [29] |
4 | Odile | 2014 | $1.25 billion | [30] |
5 | Agatha | 2010 | $1.1 billion | [31] |
6 | John | 2024 | $1 billion | [32] |
7 | Hilary | 2023 | $915 million | [33] |
8 | Willa | 2018 | $825 million | [34] |
9 | Madeline | 1998 | $750 million | [35] |
10 | Rosa | 1994 | $700 million | [36] |
At least 29 people died in the storm: 23 in Guerrero, 5 in Oaxaca, and 1 in Michoacán. [37] Governor of Guerrero Evelyn Salgado reported two deaths caused by a landslide in the municipality of Tlacoachistlahuaca. [38] Additionally, a 70-year-old woman was killed in Malinaltepec when a landslide struck her house. [39] John dropped 1,442 mm (56.8 in) of rain in parts of Guerrero, five times the amount that fell during Otis's passage the previous year; 19 neighborhoods were left completely underwater, and over 2,000 homes were flooded. [40] [41] Areas along the coast experienced mudslides while tin roofs were blown off several houses. [42] Over 250 mm (10 in) of rain fell across parts of Guerrero and Oaxaca within the first few hours after John's landfall. Over 98,000 people lost power in Oaxaca, where 18,000 armed services members and government workers were deployed to assist in emergency response operations. [43] Torrential rains also fell across the neighboring states of Chiapas, Veracruz, Michoacán and Puebla. [44] A year's worth of rainfall fell within days in parts of southwestern Mexico. At least 80 landslides occurred in Oaxaca, cutting off roads and communities in the state. [45] 13 restaurants collapsed in Acapulco. [37]
The president of the Acapulco Chamber of Commerce, Services and Tourism, Alejandro Martínez Sidney, stated that losses from John in Guerrero were estimated to be between MXN$1–1.5 billion (USD$50.8–76.3 million). [lower-alpha 1] [46] According to insurance company Gallagher Re, total losses are estimated to be US$1 billion as of October 2024. [32] Following the storm, the Mexican Navy activated Plan DN-III-E, a disaster relief and rescue plan, with 25,000 military units deployed to assist residents affected by John. [40]
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