Hurricane Harvey San Antonio: Forecast for August 24

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Hurricane Harvey Waco TexasNational Hurricane Center

Hurricane Harvey is expected to make landfall in Corpus Christi Texas, but people in San Antonio are also bracing for the storm.

According to San Antonio.gov, “The City of San Antonio’s Office of Emergency Management (OEM) has activated the Emergency Operations Center in preparation for rain and inclement weather conditions that may be caused by Hurricane Harvey, which is expected to make landfall on Friday afternoon along the Gulf Coast.”

The city added, “The residents of San Antonio and Bexar County are encouraged to prepare their households for heavy rain and flooding by having enough water and food for at least three days, any necessary medications and an evacuation plan.”

“Residents should be prepared for heavy rain & flooding from Hurricane Harvey…STAY home; STOCK up on food, water & medications; & STAY SAFE!” the City of San Antonio wrote on its official Facebook page on August 24.

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According to The Houston Chronicle, Hurricane Harvey is poised to be “the first major hurricane to threaten the coast in more than a decade.”

Here’s what you need to know:


Closings & Evacuations

You can see a map of current road closings and flooding in San Antonio here.

KSAT-TV has published a list of San Antonio school and other closings and delays due to Hurricane Harvey.

The city provided these other information sites:

Residents can sign up to receive text messages from the City of San Antonio by texting COSAGOV to 55000.

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The city’s Facebook page is also providing updates.


Category, Warnings, & Windspeeds

hurricane harvey

National Hurricane Center wind speed map for Hurricane Harvey.

According to the National Weather Service, 20+ inches of rain is “possible across Southeast portions of South Central Texas. Flash Flooding likely this weekend.”

hurricane harvey san antonio

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“Hurricane Harvey continues to strengthen and will continue to move to the Northwest towards the Texas Coast. Tropical Storm and Hurricane Warnings are now in effect. The storm should impact South Central Texas Friday into the Weekend,” the National Weather Service reports.

This National Weather Service page has a detailed hourly forecast for San Antonio that includes windspeeds and many other data points.

You can check current weather warnings for the San Antonio area here.

According to CNN, Hurricane Harvey “is forecast to become a Category 3 hurricane with winds of at least 111 mph by the time it hits the middle Texas coast late Friday or early Saturday…After hitting Corpus Christi, the storm is expected to stall over the state, forecasters say.”

hurricane harvey wind

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Hurricane Harvey projected wind arrival times.

The National Hurricane Center reports that hurricane force winds are described as “one-minute average wind speeds of at least 74 mph” and tropical storm force winds are “one-minute average wind speeds of 39-73 mph.”


Path & Radar

According to the Houston Chronicle, the storm’s path is “is similar to that of Tropical Storm Allison,” which, in Harris County, “left 22 dead and 30,000 homeless, and caused more than $5 billion in property damages.”

You can see updated San Antonio radar reports here and here.

This page by the National Hurricane Center has a current map that tracks Hurricane Harvey’s path through Texas.

Will Hurricane Harvey hit Houston too? The Dallas Morning News reports that’s expected to be one of the hardest hit areas. “People are being advised to reconsider any weekend travel plans they have to the coast, and surrounding areas like Houston, where Harvey is expected to hit the hardest,” the newspaper reported. “Those living in the affected areas are encouraged to secure themselves and their belongings by Thursday night” August 24.

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At 1 p.m. on August 24, “Harvey was a Category 1 hurricane with 85 mph winds. It was about 335 miles southeast of Corpus Christi, and was moving north-northwest at 10 mph,” CNN reported.


Forecast & Rainfall

hurricane harvey map

Hurricane Harvey rainfall projections.

You can see another updated weather forecast for San Antonio here on the National Hurricane Center’s website.

See a current graphical forecast map here.

The San Antonio forecast for Friday, August 24, according to the weather service: “Tropical storm conditions possible, with hurricane conditions also possible. Showers and thunderstorms likely, mainly after noon. Cloudy, with a high near 88. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.”

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Friday Night: “Tropical storm conditions expected, with hurricane conditions possible. Showers and thunderstorms likely. Some of the storms could produce heavy rainfall. Cloudy, with a low around 75. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.”

Saturday: “Tropical storm conditions expected, with hurricane conditions possible. Showers and thunderstorms. Some of the storms could produce heavy rainfall. High near 85. Chance of precipitation is 80%.”

Saturday Night: “Hurricane conditions possible. Showers and thunderstorms. Some of the storms could produce heavy rainfall. Low around 74. Chance of precipitation is 80%.”

Sunday: “Tropical storm conditions possible. Showers and thunderstorms likely. Some of the storms could produce heavy rainfall. Cloudy, with a high near 82. Chance of precipitation is 70%.”

Sunday Night: “Tropical storm conditions possible. Showers and thunderstorms likely. Some of the storms could produce heavy rainfall. Cloudy, with a low around 73. Chance of precipitation is 60%.”

According to ABC 13, on August 24, “A Hurricane Warning has been issued for the Texas coast from Port Mansfield to Matagorda. A Tropical Storm Warning has been issued from north of Matagorda to High Island Texas. A Storm Surge Warning is in effect for Port Mansfield to San Luis Pass.”

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