First Warning Forecast: Sunny today, Midweek storms and a severe threat

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Posted at 4:02 AM, Sep 07, 2021
and last updated 2021-09-07 12:43:20-04

Meteorologist Myles Henderson’s First Warning Forecast

Tracking midweek storms… Temperatures will warm to the mid and upper 80s this afternoon, near or just above normal for this time of year. We will see mostly sunny skies today with very slim rain chances. Skies will remain mostly clear tonight with lows near 70.

Highs will warm to the upper 80s and near 90 tomorrow with increased humidity. Expect more sunshine in the morning with more clouds for the afternoon. Showers and storms will move in with a cold front late in the day/evening. Some storms could be strong to severe with gusty winds and heavy downpours.

Scattered showers and storms will linger for Thursday as the cold front moves through the region. Temperatures will struggle to reach 80 on Thursday. Expect a more fall-like end to the week with lower humidity and highs in the low 80s.

Today: Mostly Sunny. Highs in the mid 80s. Winds: W/N/E 5-10

Tonight: Mainly Clear. Lows near 70. Winds: S 5-10

Tomorrow: Partly Cloudy, Late-Day Storms. Highs in the upper 80s. Winds: S 5-15

Weather & Health

Pollen: Medium-High (Ragweed, Grasses)

UV Index: 8 (Very High)

Air Quality: Good (Code Green)

Mosquitoes: Extreme

Tropical Update
Hurricane Larry is moving toward the northwest near 9 mph, and this general motion is expected to continue through Wednesday. A turn toward the north-northwest and north with an increase in forward speed is forecast on Thursday. On the forecast track, the center of Larry should pass east of Bermuda on Thursday. Maximum sustained winds are near 115 mph with higher gusts. Gradual weakening is forecast during the next several days. Larry is a large hurricane. Hurricane-force winds extend outward up to 70 miles from the center and tropical-storm-force winds extend outward up to 185 miles.

Significant swells should reach the east coast of the United States and Atlantic Canada by midweek and continue affecting these shores through the end of the week. These swells are likely to cause life-threatening surf and rip current conditions.

Tracking a surface trough and an upper-level disturbance over the northern portion of the Yucatan Peninsula and the south-central Gulf of Mexico. The system is expected to move slowly NE over the Gulf of Mexico during the next couple of days. Upper-level winds are currently unfavorable for development, but they are forecast to become marginally conducive for some limited development as the system nears the northern Gulf coast on Wednesday and Wednesday night. The disturbance is then expected to cross the southeastern United States, and some tropical or subtropical development will be possible after it emerges off the southeastern United States coast late this week.
* Formation chance through 48 hours: Low (10%)
* Formation chance through 5 days: Low (30%)

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