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TTR Weather Update for De Witt, Fayette, Gonzales, and Lavaca Counties.

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Posted: 12/02/2016 at 5:04 a.m. CST

…A Heavy Rainfall Pattern Expected Over South Central Texas for the Next Several Days…

Area of Concern:

Along and East of I-35.

Threats & Impacts:

Rainfall:  2 to 5 inches with isolated amounts over 6 inches possible.

Timing and Overview:

An upper level low pressure system will move slowly across northern Mexico and Texas today through Monday, with persistent rains expected through the period. Most of the rain is expected to be light to moderate today through Sunday with some brief heavy downpours of 1 to 2 inches possible Saturday morning through Sunday afternoon.  The storm system could produce more widespread heavy downpours Sunday night into early Monday as the upper low begins to cross Texas.  Soil moisture conditions are not expected to be conducive to flooding initially, but there is a potential for flooding by Sunday night. Areas generally east of I-35 are expected to see the heaviest rainfall and possible flooding.

Confidence:

Moderate

120216_rainfall

Low Flood Impacts:

  • Several locations may experience minor flooding with flood waters capable of causing small streams, creeks, canals, and ditches to become swollen and overflow in a few places, but with little to no property damage. Quick ponding of water occurs at underpasses, low-lying spots, and poor drainage areas. Storm drains and retention ponds become near-full and begin to overflow in a few places. Flood waters may prompt brief road closures.

Additional Information Resources:

Request for Information:

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

Sincerely,
Monte Oaks and Nick Hampshire
National Weather Service
Austin – San Antonio

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