Moisture from the hurricane was a factor in widespread flooding in the U.S. state of Texas that killed 22 people and caused hundreds of millions of dollars in damage in October 1994.

[7] Moving little in a favorable environment,[5] the depression was upgraded to Tropical Storm Rosa on October 11,[8] and to hurricane status a day later.

A few hours later, Rosa made landfall near La Concepción about 70 mi (110 km) south-southeast of Mazatlán.

[5] On October 12, a hurricane watch was issued for the coast from Culiacán to Manzanillo and the Baja California Peninsula south of latitude 24°N.

[20] On October 13 and 14, two ships, the London Spirit and the Marie Maersk, encountered winds of tropical storm or hurricane force.

[22] Rosa dumped rain over parts of coastal and inland Mexico; the highest rainfall total was 14.09 in (358 mm) at Mesa de Pedro Pablo.

[23] Rosa sent moisture into the United States, which, in combination with humidity drawn north from the Gulf of Mexico, caused heavy thunderstorms and flooding in parts of thirty eight Texas counties on October 15 to 19.

[26] After the declaration, FEMA received 26,000 applications for disaster assistance and approved 54 million (1995 USD) in aid.