Tropical Storm Arthur, the first storm of the Atlantic season, just formed along the coast of Texas.

Sustained winds jumped from 30 to 40 mph Wednesday morning, officially making this a tropical storm.

The Tropical Storm Warning has been extended west to High Island, Texas and runs to Morgan City, Louisiana. Tropical Storm Watch is in effect for Sargent, TX to High Island, TX.

Arthur will weaken quickly as it moves through Texas & Louisiana today and Thursday.

Heavy rain and flash flooding continue to be the main threat from Arthur. Looking at rainfall totals of 5-10″, isolated totals near 20″ through Friday.

Heaviest rainfall will be from the Mid-Upper Texas coast into Louisiana, Mississippi and Alabama.

Western portions of Georgia and the Florida Panhandle will also see locally high rainfall amounts that could cause dangerous flash flooding.

Potential Tropical Cyclone is forecast to strengthen into a tropical storm later today into early Wednesday as an area of low pressure skirts along the coast of Texas.

Tropical Storm Watch up from Sargent, Texas to Morgan City, Louisiana. Storm surge of 2-4′ above ground is possible along and east of the storm. Surge of 1-3′ is forecast for other areas of TX and LA.

This will be a weak tropical system but heavy rain & flash flooding will be impactful either way for Texas, Louisiana, Mississippi & Alabama. 4-8″ of rainfall is possible with isolated areas getting a foot of rain.

It’s currently called Potential Tropical Cyclone One meaning nothing has officially formed but tropical storm conditions are expected within 48 hours.