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First Warning Forecast: Building heat and humidity this week

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Posted at 5:17 AM, Aug 31, 2020
and last updated 2020-08-31 05:17:27-04

Meteorologist Myles Henderson’s First Warning Forecast

Nice today, but heat and humid build later this week… Temperatures will return to the mid 80s this afternoon with low humidity. We will see a mix of sun and clouds today with slim rain chances. Extra clouds will build in this evening with an isolated shower or storm possible.

Highs will return to the mid 80s tomorrow, but humidity will build. We are tracking an area of low pressure that will slide up the East Coast. Expect more clouds tomorrow with scattered showers and storms.

Temperatures will climb to the low 90s for the second half of the work week. Afternoon heat index values will reach the triple digits. A cold front will move through on Friday, bringing in cooler and less humid air for the weekend.

Today: Partly Cloudy. Highs in the mid 80s. Winds: SE 5-15

Tonight: Partly to Mostly Cloudy, Isolated Shower/Storm. Lows in the mid 70s. Winds: SE 5-15

Tomorrow: Mix of Clouds, Scattered Showers/Storms. Highs in the mid 80s. Winds: E 5-15

Weather & Health

Pollen: Medium-High (Ragweed, Grasses)

UV Index: 9 (Very High)

Air Quality: Good (Code Green)

Mosquitoes: Extreme

Today in Weather History (NWS Wakefield)

August 31st

1983 F2 Tornado: Richmond Co

Tropical Update

We are tracking several areas for potential tropical development…

A broad area of low pressure associated with a tropical wave over the eastern Caribbean Sea. Environmental conditions are expected to gradually become more conducive for development, and a tropical depression is likely to form during the next couple of days while the system moves west at 15 to 20 mph.
* Formation chance through 48 hours: High (70%)
* Formation chance through 5 days: High (80%)

An area of low pressure is located a few hundred miles east of Jacksonville, Florida. This system has gradually gotten better organized during the past 24 hours but is currently producing only limited showers and thunderstorms. Additional development is expected and a tropical depression is likely to form by the middle of the week while the system moves northeast or ENE, initially parallel to the southeastern coast of the U.S. and then away from land. Upper-level winds are expected to become less conducive for further development on Wednesday.
* Formation chance through 48 hours: Medium (60%)
* Formation chance through 5 days: High (70%)

A tropical wave is expected to emerge off the coast of Africa in a couple of days. Gradual development of this system will be possible through the end of the week while it moves slowly west over the far eastern tropical Atlantic Ocean.
* Formation chance through 48 hours: Low (0%)
* Formation chance through 5 days: Low (30%)

Another tropical wave is located over the eastern Atlantic Ocean, several hundred miles southwest of the Cabo Verde Islands. This system is producing little shower activity, and any development of this system should be slow to occur as it moves slowly west.
* Formation chance through 48 hours: Low (0%)
* Formation chance through 5 days: Low (10%)

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