Hurricane Lorena (2025)

Last updated

Map key
  Tropical depression (≤38 mph, ≤62 km/h)
  Tropical storm (39–73 mph, 63–118 km/h)
  Category 1 (74–95 mph, 119–153 km/h)
  Category 2 (96–110 mph, 154–177 km/h)
  Category 3 (111–129 mph, 178–208 km/h)
  Category 4 (130–156 mph, 209–251 km/h)
  Category 5 (≥157 mph, ≥252 km/h)
  Unknown
Storm type
Disc Plain black.svg Tropical cyclone
Solid black.svg Subtropical cyclone
ArrowUp.svg Extratropical cyclone, remnant low, tropical disturbance, or monsoon depression

On August 26, the National Hurricane Center noted that an area of low pressure could form near southern Mexico. [1] Later, on September 1, shower and thunderstorm activity associated with the area started to become better organized and the NHC designated the system as Invest 94E. [2] The disturbance continued to become better organized with its cloud tops beginning to cool and developing a defined upper-level anti-cyclonic outflow, and thus was designated as Tropical Depression TwelveE that evening 145 mi (230 km) off the coast of Manzanillo, Colima. [3] [4]

Overnight, the organization of the system's small core began to improve, with bursts of convection forming over the center of the storm. The system began to move west-northwestward parallel to the coast of Mexico due to the influence of a ridge. [5] The following morning, convection within the system began to increase and thus the system intensified into a tropical storm and received the name Lorena. [6] As Lorena grazed the coast of Mexico, it began to turn more to the northwest, with its small core, surrounding low wind shear, and warm sea surface temperatures allowing it to continue strengthening. [7] [8] Later that day, the convection within the system began to wrap around its center, and thus Lorena was upgraded to a Category 1 hurricane. [9] Lorena continued to strengthen and on September 3, at 03:00 UTC, the storm reached its peak intensity with maximum sustained winds of 85 mph (140 km/h) and a minimum central pressure of 981 mbar (28.97 inHg) about 210 mi (340 km) west of Cabo San Lucas, Baja California Sur. [10] The following morning, however, Lorena began to slow its forward motion and entered an environment with cooler sea surface temperatures and higher upper-level wind shear, causing the system's core to become exposed. [11] Wind shear continued to increase, causing all of the convection within the storm to displace to the northeast. As a result of this, it weakened to tropical storm strength. [12] The storm continued to weaken, and it degenerated into a post-tropical cyclone early on September 5, offshore of Baja California Sur. [13]

Preparations and impact

A Tropical Storm Warning was placed into effect for the west coast of Baja California Sur from Santa Fe to Punta Abreojos. Watches were issued for the coast from Santa Fe southward Cabo San Lucas, and from north of Punta Abreojos northward to Punta Eugenia. [14] However, all watches and warnings were discontinued when it became apparent that Lorena would not make landfall. [15] Garbage collection in Cabo San Lucas was suspended. [16] The ports of La Paz and Los Cabos were closed to small boat traffic. [17] The government of Sonora suspended classes in 72 municipalities for September 4 and 5. [18] The federal government deployed 8,000 soldiers in advance of the storm. [19] Several government offices in Baja California Sur and Sonora were closed in advance of the storm. [20] In Jalisco, classes were suspended in 22 municipalities. [21] Over 1,000 shelters were opened in advance of the storm. [22]

Mexico

Persistent rains in Sonora beginning the night of September 2, resulted in small stream and coastal flooding, causing minor damage. Strong winds knocked over the wall of a building, damaging ten vehicles. [23] There were at least 70 reports of property damage statewide. [24] A sinkhole forced the closure of a highway. Several residents were rescued from flooded homes. [25] In Hermosillo, 80 mm (3.1 in) of rain fell, flooding at least 40 homes and 29 neighborhoods. [26] [27] Over 45 neighborhoods were left without power and water following the storm. [28] In Bahía de Kino, at least four neighborhoods were flooded. [29] More than 144 shelters were opened to support those affected by the storm. [30] A tornado touched down, causing damage to several structures. [31] In Villa Hidalgo, a dam overflowed, flooding homes and isolating communities. [32] A man was rescued after his pickup truck was swept away by floodwaters. [33] Additionally, two others were rescued after their vehicles were swept away by floodwaters. Several schools were flooded, forcing the cancellation of classes. [34] A family of five was rescued from their flooded home. [35] In Navojoa, two elderly residents were evacuated from their homes. A bridge was closed due to rising floodwaters. [36] In Masiaca, a university was flooded. [37] Over 100 families were affected by the flooding. [38] In Álamos, a maximum total of 125 mm (4.9 in) of rain fell. [39]

Flooding was also reported in Baja California Sur. A maximum total of 113 mm (4.4 in) of rain fell in San José del Cabo, with secondary totals of 107 mm (4.2 in) in Cabo Pulmo National Park and 82.1 mm (3.23 in) in Cabo San Lucas. [40] Highways and bridges were damaged by landslides and floodwaters. Five homes were damaged and three homes were destroyed. [41] [42] Over 1,200 people fled their homes due to flooding. [43] A hospital was flooded with wastewater after a sewage spill. [31] A motorcyclist was swept away by floodwaters. [44] Rough surf damaged several docks and boats at the Cabo San Lucas Marina. [42] [45] Several cattle were swept away by an overflowing river. [16] One flight departing from the airport was cancelled due to bad weather. [46] Flooding stranded more than 50 vehicles and strong winds downed three trees. In La Paz, Baja California Sur, five people were rescued from stranded vehicles. [47] Flooding in Mulegé was exacerbated by Tropical Storm Mario later that month. [48] In Tepic, Nayarit, heavy rains caused widespread flooding and damage. More than 100 mm (3.9 in) of rain fell in some areas. Over 50 reports of flood damage were received, with seventeen homes and seven vehicles damaged by floodwaters. [49] Several homes were flooded up to 50 cm (1.6 ft). [50] A man drowned as a result of urban flooding. [51]

In Sinaloa, moisture from Lorena generated thunderstorms over the state. Over 200 people were evacuated from flooded homes in Culiacán. [52] A sinkhole opened up, knocking over a large tree. [53] In Ahome, 80 homes were flooded and several communities were isolated due to flooded roads. [54] [55] [56] A local park was flooded. [57] In Guasave, over 200 mm (7.9 in) of rain fell, flooding 35 homes. [58] Over 120 people were affected by the flooding citywide. [59] Two men were rescued after their motorcycle was swept away by an overflowing river. [60] In Los Mochis, flooded roads stranded several vehicles. [61] Four power poles fell during the storm, causing blackouts to several communities. [62] Floods damaged equipment at a hospital. [63] Officials worked to clear sewers and storm drains following the storm. [64] The water level of several dams increased by 30%. [65] A pickup truck with six people fell into an overflowing sewage canal. Four of the occupants managed to escape, however, the other two were swept away by the current and were later found dead. [66] [67] Additionally, a fisherman drowned after rough seas from Lorena caused his boat to capsize. [68] Following the storm, Governor of Sinaloa Rubén Rocha Moya approved 490 checks worth 6,000 pesos each to be distributed to 115 families affected by Lorena. [69] However, for farmers, rainfall from Lorena was considered to be beneficial, helping alleviate drought conditions. [70] Despite being far from the storm, Hidalgo and Querétaro saw some effects. In the former, two people were injured. In the latter, more than 24 homes were flooded. [38]

United States

Lorena's remnants fueled severe thunderstorms over Arizona, New Mexico, California, and Texas. Strong winds damaged several structures and heavy rainfall flooded several roads. In Arizona, a road near a military base was destroyed from floodwaters. [71] Dust storms were reported as a result of strong winds. [72] Downed trees caused damage to homes and vehicles. [73] [74] Damage in statewide totaled to US$84,000. [71] In Santa Fe, New Mexico, heavy rain flooded one road up to 4 ft (1.2 m). [75] In Imperial County, California, strong winds downed a tree onto a road, with damage estimated at US$1,000. [76] In Texas, strong winds tore off the roof and siding of a metal building. [77] A wind gust of 75 mph (121 km/h) damaged several planes in a hangar. [78] In Frisco, a strong winds downed a tree and a flagpole. A church had its roof partially blown off. [79] A barn was destroyed, killing three goats. [80] In Fannin, over 8,000 households lost power. [81] Lightning strikes ignited fires, damaging several homes. [82] Damage statewide totaled to US$1.725 million. [77] Despite the damage, rainfall was considered beneficial in some areas, helping alleviate drought conditions. [83]

See also

References

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  2. Gibbs, Alex (September 1, 2025). Tropical Weather Outlook (Report). Miami Florida: National Hurricane Center. Retrieved September 1, 2025.
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  6. Gallina, Gregg (September 2, 2025). Tropical Storm Lorena Discussion Number 3 (Report). Miami, Florida: National Hurricane Center. Retrieved September 2, 2025.
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Hurricane Lorena
Lorena 2025-09-03 2055Z.jpg
Hurricane Lorena near peak intensity on September 3