Severe Thunderstorms With Heavy Rain over the Mid-Atlantic; Excessive Heat For Central/Southern U.S. to Mid-Atlantic

Severe thunderstorms are possible Sunday across the Mid-Atlantic region. Damaging winds, large hail, and flooding will be the primary threats with these storms. Meanwhile, dangerous heat will continue through Sunday across the central and southern U.S. into the Mid-Atlantic.
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Last Update: 1000 PM CDT Sat Jul 22 2017

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Brownsville, TX Local Forecast Office

10NM N Port Isabel TX

Marine Zone Forecast


Synopsis: Moderate to occasional stronger winds and a choppy wind wave to persist into Monday as a high pressure ridge across eastern and central Gulf of Mexico interacts with a surface low pressure trough expanding across the Southern Plains and West Texas. Small Craft advisories may be needed across the Laguna Madre Sunday afternoon when winds are expected to be the strongest. The ridge will edge into the central and western Gulf Tuesday and Wednesday allowing winds and seas to relax a little. Slightly higher moisture levels may bring isolated showers or a thunderstorm Tuesday and Wednesday.

Rest Of Tonight
South winds 15 diminishing to 10 to 15 knots after midnight. Moderate chop on the bay.
Sunday
Southeast winds 15 to 20 knots. Choppy on the bay.
Sunday Night
Southeast winds 15 to 20 knots becoming south 10 to 15 knots after midnight. Choppy on the bay subsiding to a moderate chop after midnight.
Monday
Southeast winds 10 to 15 knots increasing to 15 to 20 knots in the afternoon. A moderate chop on the bay increasing to choppy in the afternoon.
Monday Night
Southeast winds 15 to 20 knots diminishing to 10 to 15 knots after midnight. Choppy on the bay subsiding to a moderate chop after midnight. Isolated showers and thunderstorms after midnight.
Tuesday
Southeast winds 10 to 15 knots. A moderate chop on the bay. Isolated showers in the morning. Isolated thunderstorms through the day. Scattered showers in the afternoon.
Tuesday Night
Southeast winds 10 to 15 knots. A moderate chop on the bay. Isolated showers and thunderstorms.
Wednesday
Southeast winds 10 to 15 knots. A moderate chop on the bay. Scattered showers and isolated thunderstorms.
Wednesday Night
Southeast winds 10 to 15 knots. A moderate chop on the bay. Isolated showers and thunderstorms.
Thursday
Southeast winds 5 to 10 knots increasing to 10 to 15 knots in the afternoon. A light chop on the bay increasing to a moderate chop in the afternoon. Isolated showers and thunderstorms.
Thursday Night
Southeast winds 10 to 15 knots. A moderate chop on the bay. Isolated showers and thunderstorms.
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ABOUT THIS FORECAST

Last Update: 1000 PM CDT Sat Jul 22 2017
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