The fourteenth tropical cyclone and thirteen named storm of the season, Lowell formed out of a western side of a trough on September 6.

It is estimated that a tropical depression formed at 1200 UTC 6 September when it was centered about 310 mi (500 km) south of Manzanillo, Mexico.

It downgraded to a tropical depression at 0600 UTC 10 September as it was moving north-northeastward about 259 mi (417 km) west-southwest of the southern tip of Baja California.

The circulation began to slowly spin down as it made landfall around Cabo San Lucas, Mexico at 0900 UTC 11 September.

[1] Heavy rainfall from the remnants of Lowell caused streams and canals to overflow in the Mexican states of Sonora and Sinaloa, leaving more than 26,500 people homeless.

In its advance, the weather with winds up to 95 kilometers per hour, wreaking havoc on the coast of the Pacific, from Sonora to Nayarit, where they established the green alert (phase approach) by the heavy rains and storm surges.

The director of civil protection in Baja California Sur, Jose Gajón of the Toba, said that Lowell has a radius of 800 km so that the whole body is on alert green.

The Secretary of Administration and Finance, Óscar Lara, said that permits were granted exemption from payment of toll motorway Culiacán-Las Brisas for vehicles, by flooding in the villages of the municipality of Navolato.

The secretary of Public Security, Javier Cardona Torres, said that after the declaration of emergency Parral and Valle de Allende, these municipalities will help the Natural Disaster Fund.

Also released this instance support for municipalities Aldama Coyame, Ojinaga, San Francisco de Conchos, Camargo, La Cruz and Julimes.

Heavy rainfall, including multiple 24-hour records, occurred from West Texas northeast to Kansas and northern Illinois and Indiana.