TTR News Center

Slight Risk of Strong to Severe Thunderstorms and Locally Heavy Rainfall Possible Saturday into Early Sunday Morning; Marginal Threat Late Sunday Morning into Tuesday

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Area of Concern: (See graphic)

All of South Central Texas, with greatest potential along and west of I-35.


Threats & Impacts:

Hail: Up to golf ball size (1.75 inches in diameter)

Winds: Straight line wind gusts over 60 mph

Rainfall: 1-3 inches with isolated 4-5″ amounts possible through Tuesday Morning.

Timing and Overview:

Although warm air aloft (or the “cap”) has prevented showers and thunderstorms from developing the last several days, a cold front will approach the region overnight and move through slowly during the afternoon and evening to allow for at least isolated to scattered showers and thunderstorms to develop. Large hail and damaging winds will be the main threats with the afternoon and evening storms, but this threat should decrease as the locally heavy rainfall threat increases late in the evening and overnight hours. Confidence in flooding impacts has decreased because of the lack of rainfall the region has received over the last few weeks and model uncertainties, but isolated instances of flash flooding outside of the typical low water crossings, small creeks, and streams may occur for a few spots that could receive 4-5 inches of rain.

Additional rounds of showers and thunderstorms are expected Sunday into Tuesday when a stronger front is forecast to move through the region. The threat of severe weather and heavy rainfall on Sunday is expected to be lower than on Saturday, but locations that receive multiple rounds of heavy rain could have an increased flash flood threat. Thus, please continue to remain alert over the weekend and into early next week as this period of active weather continues.


Low to Moderate

Additional Information Resources:
NWS Austin / San Antonio Webpage: http://www.weather.gov/sanantonio
Storm Prediction Center: http://www.spc.noaa.gov/
Online Severe Weather Reporting: http://www.srh.noaa.gov/StormReport/SubmitReport.php?site=EWX

Larry Hopper, Cory Van Pelt, and Nick Hampshire
NWS Austin / San Antonio

Here’s whats coming up this week on Lone Star Outdoors with Cable Smith!

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1We talk wolf hunting and it’s role in big game conservation with wolf expert Luke Sterling of Sterling’s Extreme Outdoors.

Then we take a historical look back at Lake Fork and it’s importance in creating a national movement for the big bass catch and release mindset that is prevalent today. I had the pleasure of fishing Fork this past week and so we will also break down the post spawn pattern that the fish were on and what bait we used to catch them.

We then are joined in studio by Cody Maxwell of the Drive Over Chock- a new product that any listener who hauls an ATV, golf cart, 4 wheeler or otherwise, will want to know about. So simple, yet so innovative!

We’ll see you Saturday Morning at 8, on Texas Thunder Radio!

Cable Smith
Owner/Host  Lone Star Outdoors Show
Twitter: @LonestarOutdoor


TTR Weekend Weather for DE WITT, FAYETTE, GONZALES, & LAVACA Counties from the National Weather Service Austin/San Antonio

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Isolated strong to severe storms are possible across the Edwards Plateau and northern Hill Country this afternoon and evening. The main threats will be large hail and damaging winds.


A weak cold front will slowly move across our area on Saturday into Sunday and bring a chance of showers and thunderstorms. Pockets of locally heavy rainfall and isolated strong to severe storms will be possible Saturday through Monday.

Now, your TTR Weekend Weather Forecast:

Mostly cloudy with a 20 percent chance of showers and thunderstorms. Lows in the mid-70s. Southeast winds 10 to 15 mph. Gusts up to 25 mph before midnight.

Mostly cloudy with a 40 percent chance of showers and thunderstorms. Highs in the upper 80s. Southeast winds 5 to 10 mph.

Saturday Night
Cloudy with a 50 percent chance of showers and thunderstorms. Lows in the lower 70s. East winds 5 to 10 mph.

Mostly cloudy with a 40 percent chance of showers and thunderstorms. Highs in the mid-80s. Northeast winds 5 to 10 mph.

Sunday Night
Cloudy with a 30 percent chance of showers and thunderstorms. Lows in the upper 60s.

Have a good weekend!

TTR Weather Update for COLORADO, JACKSON, and WHARTON Counties from National Weather Service Houston/Galveston

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A slow moving frontal boundary will move into northern parts of southeast Texas Saturday afternoon. It will eventually stall near the coast Sunday and then meander about the region through Tuesday. This feature combined with a series of upper-level disturbances moving overhead will provide chances of showers and thunderstorms through Tuesday.

The majority of computer models are indicating that most locations should receive just beneficial rainfall through the weekend – generally less than 1.5 inches (and even less than that along the beaches). That being said, history has shown that slow moving or stalled boundaries like this during May can sometimes pose a localized heavy rainfall threat that we will need to keep an eye on for potential flash flooding.

We will begin focusing on areas generally north and northwest of Highway 59 Saturday evening through Sunday morning.  Beyond that, and through Tuesday, forecasts and hazards will be highly dependent where the surface boundary is situated. This likely will be too difficult to forecast with much accuracy beyond 12- 24 hours (and possibly earlier).

Bottom Line
There is considerable forecast uncertainty at this point.  So enjoy your weekend, but keep up with the latest weather forecasts.

Brian Kyle and Wendy Wong
National Weather Service – Houston/Galveston, TX
Twitter: @NWSHouston
Facebook: NWSHouston
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