Wednesday’s First Warning Forecast: Clouds, rain, and storms today

Posted at 5:34 AM, Sep 06, 2017
and last updated 2017-09-06 11:42:23-04

Meteorologist Myles Henderson’s First Warning Forecast

Midweek rain and possible severe storms… A cold front is pushing through the region today, bringing us clouds, rain, storms, and a cool down. Expect a mix of sun and clouds with a few showers during the day. Clouds will build but rain will become more widespread this evening and tonight. Strong to severe storms are possible with heavy downpours and gusty winds. Highs will slip into the low 80s this afternoon, near normal for this time of year.

Cooler air will move in behind the front for the end of the week. Highs will drop into the mid 70s by Thursday. A few showers will linger into early Thursday morning but we will return to sunshine by the afternoon. Expect plenty of sunshine and 70s on Friday.

Today: Mix of Clouds, PM Showers/Storms (70%). Highs in the low 80s. Winds: SW 5-15

Tonight: Mostly Cloudy, Showers/Storms (80%). Lows in the mid 60s. Winds: NW 5-10

Tomorrow: AM Showers (30%), Clearing Skies. Highs in the upper 70s. Winds: NW/W 5-10

Weather & Health 

Pollen: Low-Moderate (Ragweed, Grasses)

UV Index: 7 (High)

Air Quality: Good (Code Green)

Mosquitoes: Very High

Tropical Update

The eye of Irma is moving toward the Virgin Islands. Irma is centered about 65 miles ESE of St. Thomas and moving WNW and 16 mph. On the forecast track, the extremely dangerous core of Irma will move over portions of the Virgin Islands very soon, pass near or just north of Puerto Rico this afternoon or tonight, pass near or just north of the coast of the Dominican Republic Thursday, and be near the Turks and Caicos and southeastern Bahamas late Thursday.

Maximum sustained winds are near 185 mph with higher gusts. Irma is a category 5 hurricane on the Saffir-Simpson Hurricane Wind Scale. Some fluctuations in intensity are likely during the next day or two, but Irma is forecast to remain a powerful category 4 or 5 hurricane during the next couple of days.

Hurricane-force winds extend outward up to 50 miles from the center and tropical-storm-force winds extend outward up to 185 miles.

11:00 AM AST Wed Sep 6

Location: 18.2°N 64.0°W

Moving: WNW at 16 mph

Min pressure: 918 mb

Max sustained: 185 mph

Tropical Storm Jose is close to hurricane strength. Jose is centered about 1135 miles east of the Lesser Antilles and moving WNW at 17 mph. Maximum sustained winds are near 65 mph with higher gusts. Continued gradual strengthening is forecast and Jose is expected to become a hurricane by later today.11:00 AM AST Wed Sep 6

Location: 13.1°N 44.5°W

Moving: WNW at 17 mph

Min pressure: 998 mb

Max sustained: 70 mph

Tropical Storm Katia expected to become a hurricane in the Gulf of Mexico. Katia is centered about 135 miles ESE of Tampico, Mexico and moving ESE at 5 mph. Maximum sustained winds are near 45 mph with higher gusts. Strengthening is forecast and Katia could become a hurricane before it approaches the coast of Veracruz in a couple of days.

10:00 AM CDT Wed Sep 6

Location: 21.7°N 95.9°W

Moving: ESE at 5 mph

Min pressure: 1004 mb

Max sustained: 45 mph

Hurricane Tracker

Today in Weather History (NWS Wakefield)

September 6th

1667 Hurricane: Chesapeake Bay rose 12 feet

1975 F1 Tornado: Lancaster Co

2008 Tropical Storm Hanna. Max Winds 59 KTS Chesapeake Bay Bridge Tunnel

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