Excessive Heat Continues today for Portions of Central and Eastern U.S.; Change in Weather Pattern this Week
Dangerous heat and humidity continues today from portions of the Plains to the East Coast. A cold front will bring lower temperatures, and potential for strong to severe thunderstorms with damaging winds and heavy rain that could produce flash flooding to the Central and Eastern U.S. through early this week. High pressure shifts West this week with building heat and monsoonal moisture.
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Hazardous Weather Conditions
Last Update: 414 PM CDT Sun Jul 21 2019
For More Weather Information:
19NM SE Grand Isle LA
Marine Zone Forecast
Synopsis: Surface high pressure extending across the eastern Gulf and into the
coastal waters will remain in control through tomorrow. An
unseasonably strong front will push through the coastal waters on
Tuesday. High pressure will then build in from the north on
Wednesday and remain in place through Friday.
Tonight
South winds 5 to 10 knots. Seas 1 foot or less. Dominant period 4 seconds. Chance of showers and thunderstorms.
Monday
Southwest winds near 5 knots. Seas 1 foot or less. Dominant period 4 seconds. Showers and thunderstorms likely in the morning, then chance of showers and thunderstorms in the afternoon.
Monday Night
West winds 5 to 10 knots. Seas 1 foot or less. Dominant period 4 seconds. Chance of showers and thunderstorms.
Tuesday
West winds 5 to 10 knots. Seas 1 foot or less. Dominant period 4 seconds. Showers and thunderstorms likely in the morning, then chance of showers and thunderstorms in the afternoon.
Tuesday Night
North winds 10 to 15 knots. Seas 1 to 2 feet. Dominant period 4 seconds. Showers and thunderstorms likely.
Wednesday
Northeast winds 10 to 15 knots. Seas 1 to 2 feet. Dominant period 4 seconds. Chance of showers and thunderstorms.
Wednesday Night
Northeast winds 10 to 15 knots. Seas 1 foot or less. Dominant period 4 seconds. Slight chance of showers and thunderstorms in the evening.
Thursday
East winds 10 to 15 knots. Seas 1 foot or less. Slight chance of showers and thunderstorms.
Thursday Night
Southeast winds 5 to 10 knots. Seas 1 foot or less. Slight chance of showers and thunderstorms.
Friday
South winds 5 to 10 knots. Seas 1 foot or less. Chance of showers and thunderstorms.
Friday Night
South winds 5 to 10 knots. Seas 1 foot or less. Chance of showers and thunderstorms.
Additional Forecasts and Information
ABOUT THIS FORECAST
| Last Update: | 414 PM CDT Sun Jul 21 2019 |
| Forecast Discussion | |
RADAR & SATELLITE IMAGES
