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TTR Weather Update from NWS Houston-Galveston including information for Colorado, Jackson, and Wharton Counties.

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A marginal risk for strong to severe thunderstorms over the northwest half of Southeast Texas.

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Synopsis: A weak cold front coupled with a weak upper level disturbance and daytime heating will trigger showers and thunderstorms across Southeast Texas on Monday.

Hazard: Large hail and damaging wind gusts

Timing: Primarily Monday afternoon and evening

Where: Generally northwest of a Brenham to Groveton line.

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Charles Roeseler
NWS Houston/Galveston

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TTR Weather Update from NWS Austin/San Antonio. Including information for De Witt, Fayette, Gonzales, and Lavaca Counties.

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Area of Concern:

Greatest risk of severe storms along I-35 and west to the Rio Grande. Greatest risk for heavy rainfall across Hill Country.

  • Threats & Impacts:

Tornadoes: A few brief tornadoes possible.

Winds: Wind gusts to 60 MPH.

Hail: Quarter sized.

Rainfall: Average rainfall amounts of 1 to 2 inches with isolated amounts of 3 inches possible across Hill Country. 1/2 to 1 inches with isolated amounts up to 2 inches along the I-35 corridor.

 

Timing and Overview:

A Pacific front and upper-level disturbance will interact with high moisture levels as they move across South-Central Texas to produce showers and thunderstorms. Isolated to scattered showers and storms are possible this afternoon across the Hill Country into the Austin area with a low chance for strong to severe storms. There are higher chances for strong to severe storms as storms form into a line with isolated storms out ahead of the line and move to the east across the Edwards Plateau late this afternoon into early evening, the Hill Country this evening to around midnight, to along the I-35 corridor around Midnight into the overnight hours. The storms may weaken as they move east of I-35 early Monday morning. The threat for heavy rainfall looks to be over the Hill Country and Central Texas, where isolated amounts up to 3 inches are possible. This could result in localized flash flooding and minor river flooding.

Please stay tuned to updates on this evolving situation as changes in the forecast may shift the location and timing of the severe weather and locally heavy rainfall threat.

Confidence:

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
Request for Information:

Please relay severe weather reports and/or photo’s of severe weather to sr-ewx.alert@noaa.gov

Sincerely,

Constantine Pashos & Bob Fogarty

National Weather Service Austin – San Antonio

 

 

Severe Weather Threat Sun-Mon

Strong to Severe Thunderstorms and Locally Heavy Rainfall Possible over South Central Texas Sunday Afternoon through Monday Morning.

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Severe Weather Threat Sun-Mon

Area of Concern:

All of South Central Texas, with the best chances of strong to severe storms on Sunday afternoon and evening before transitioning more to a locally heavy rainfall threat Sunday evening into Monday morning.

Threats & Impacts:

Tornadoes:  A few tornadoes possible. 

Winds:  Wind gusts to 60 MPH.

Hail:  Quarter sized or greater.

Rainfall:  Average rainfall amounts of 1 to 2 inches with isolated amounts of 4 inches possible.

Timing and Overview:

A Pacific front and upper-level disturbance will move across northern Mexico into west Texas by Sunday afternoon and evening with temperatures and moisture levels ahead of the front more similar to mid-March than mid-January. Strong to severe thunderstorms are expected to develop by Sunday afternoon across the Edwards Plateau and Rio Grande Plains before moving east into the Hill Country and Interstate 35 corridor by Sunday evening. Soil moisture conditions are not expected to be conducive for flooding initially, but there is a potential for flooding by Sunday night into Monday as the front slows down and moves towards the Coastal Plains. Minor river flooding will be possible through the middle of next week as light to moderate rain showers continue into at least Tuesday.

Please stay tuned to updates on this evolving situation over the holiday weekend as changes in the forecast may shift the location and timing of the severe weather and locally heavy rainfall threat.

Confidence:

Moderate

Additional Information Resources:

Request for Information:Please relay severe weather reports and/or photo’s of severe weather to sr-ewx.alert@noaa.gov

Sincerely,
Larry Hopper and Jason Runyen
National Weather Service Austin – San Antonio

image4Scattered showers are expected across most areas on Saturday with isolated thunderstorms also possible across the Hill Country and Central Texas. Showers and thunderstorms increase Sunday and Monday as an upper level disturbance and cold front move across our area. Strong storms and locally heavy rains are possible Sunday Night through Monday. Scattered showers linger into Tuesday. A dry airmass filters into our area bringing an end to the rain with partly cloudy skies expected on Wednesday. Well above normal temperatures this weekend fall closer to normal next week.Here’s your TTR Weekend Weather Forecast from the National Weather Service in Austin – San Antonio –

Tonight
Mostly cloudy with a 20 percent chance of showers. Lows in the mid 60s. Southeast winds 5 to 10 mph.

Saturday
Mostly cloudy with a slight chance of showers and isolated thunderstorms. Highs in the upper 70s. Southeast winds 5 to 10 mph. Chance of rain 20 percent.

Saturday Night
Cloudy with a slight chance of showers and isolated thunderstorms. Lows in the lower 60s. East winds 5 to 10 mph. Chance of rain 20 percent.

Sunday
Breezy. Cloudy with a 40 percent chance of showers and thunderstorms. Highs in the mid 70s. Southeast winds 10 to 15 mph increasing to 15 to 25 mph in the afternoon.

Sunday Night
Cloudy with a 50 percent chance of showers and thunderstorms. Lows in the mid 60s. Southeast winds 10 to 15 mph.

Martin Luther King Jr Day
Cloudy with showers and thunderstorms likely. Highs in the mid 70s. Chance of rain 60 percent.

Monday Night And Tuesday
Cloudy with showers likely and slight chance of thunderstorms. Lows around 60. Highs in the upper 60s. Chance of rain 70 percent.

Have a great weekend,
Texas Thunder Radio

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Showers and Thunderstorms in the forecast. Here’s your TTR Weather Update from NWS Austin/San Antonio

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There are low chances of showers today and Saturday. Better chances for rain are expected over the weekend, especially Sunday into Monday. Stronger storms appear likely Sunday night into Monday morning. Periods of heavy rain and pockets of high wind could occur during this time-frame. Another round of possible heavy rain could occur Monday night into Tuesday as the front stalls across the region.

Rest Of Today

Mostly cloudy. Highs around 80. South winds 15 to 20 mph.

Tonight

Cloudy with a 20 percent chance of showers. Lows in the mid 60s. Southeast winds 10 to 15 mph.

Friday

Mostly cloudy with a 30 percent chance of showers. Highs in the upper 70s. Southeast winds 10 to 15 mph.

Friday Night

Mostly cloudy with a slight chance of showers and isolated thunderstorms. Lows in the mid 60s. Southeast winds 5 to 10 mph. Chance of rain 20 percent.

Saturday

Mostly cloudy with a slight chance of showers and isolated thunderstorms. Highs in the mid 70s. Southeast winds 10 to 15 mph. Chance of rain 20 percent.

Saturday Night

Mostly cloudy with a slight chance of showers and isolated thunderstorms. Lows in the lower 60s. Temperature steady or slowly rising after midnight. Chance of rain 20 percent.

Sunday And Sunday Night

Cloudy with a 50 percent chance of showers and thunderstorms. Highs in the mid 70s. Lows in the mid 60s.

Martin Luther King Jr Day

Cloudy with showers and thunderstorms likely. Highs in the lower 70s. Chance of rain 70 percent.

Monday Night
Cloudy with showers and thunderstorms likely. Lows in the mid 50s. Chance of rain 60 percent.
wind-warning

WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING

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A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING FOR BASTROP, CALDWELL, CALHOUN,  COLORADO, DE WITT, FAYETTE, GOLIAD, GONZALES, JACKSON, KARNES, LAVACA, VICTORIA, AND WHARTON COUNTIES.

* TIMING…FROM 10 AM UNTIL 6 PM.

  • WINDS…20 TO 30 MPH WITH GUSTS UP TO 40 MPH.
  • IMPACTS…DRIVING HIGH PROFILE VEHICLES MAY BE DIFFICULT ON EAST TO WEST ORIENTED ROADS. HIGH WINDS COULD DISPLACE  LOOSE ITEMS SUCH AS TRASH CANS AND LIGHT PATIO FURNITURE. LOOSE OBJECTS AND COULD RESULT IN MINOR PROPERTY DAMAGE  AND WILL MAKE OPEN WATERS OF AREA LAKES VERY CHOPPY AND DANGEROUS.

PRECAUTIONARY/PREPAREDNESS ACTIONS… A WIND ADVISORY MEANS THAT WINDS OF 26 TO 39 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT…ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

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