As Hurricane Irma churns toward the US, another tropical storm formed closely behind it.
At 11 p.m. ET, Jose was packing 50 miles per hour winds and was moving west at 14 miles per hour.
Tropical Storm Jose is the 10th named storm of this hurricane season. Mexico is dealing with the aftermath of a huge quake that struck on Thursday night, and President Enrique Pena Nieto said on Friday that Katia could be especially risky in hillsides rocked by the magnitude 8.1 tremor.
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Katia was initially measured as a Category 1 storm with 75 miles per hour winds - far less powerful than Irma, which is quickly approaching Florida, and Jose which remains farther out in the Atlantic Ocean.
The hurricane earlier Wednesday battered a string of northern Caribbean island nations, situated east of the more populous Virgin Islands group and Puerto Rico.
Hurricanes Jose and Katia are both getting stronger.
As a result of its geographical location and Pacific and Atlantic coastlines, Mexico is particularly vulnerable to hurricanes, with at least a dozen weather events every year. It was expected to gain some strength but the effects of Irma were seen eventually weakening that storm.
By Saturday afternoon, the hurricane is expected to be downgraded to a tropical storm.