Tuesday, July 17, 2007

Mugginess to Return After Short Respite


Hot, but less humid. A bubble of drier air to the north of a "cold" front slid into the Mid Atlantic area overnight, bringing considerably more comfortable humidity (dewpoints 10-15° lower than yesterday) to the area, despite temperatures generally in the low 90s. By 5pm, National had reached at least 92°, and Dulles was 93°. As that front moves back northward, mugginess and the chance of thunderstorms will increase before a significant cooldown arrives for the weekend.

Surface/satellite/radar weather map at 2pm today from Intellicast

Tonight and Tomorrow

Increasing humidity, chance of showers. Comfortably warm and clear conditions this evening will lead to lows overnight in the low 70s downtown and the mid to upper 60s in the 'burbs. Mugginess will increase tomorrow, along with the chance (40%) of showers or thunderstorms late in the day. Highs tomorrow will be 89-92°.

For the outlook through the rest of the week and into the weekend, scroll on down to Jason's post below.

Summer in the City

This week's WaPo "Secret Worlds of Summer" article, "The Life Aquatic" talks about the water lillies at Kenilworth Aquatic Gardens in Northeast Washington.


This week's episode of Tornado Diary focuses on storm chasing (WETA, Channel 26, 9pm).

Tropical Topics

Yesterday's blog post by TWC's Dr. Steve Lyons considers why tropical storms develop or not using a very interesting plexiglass analogy.

It ain't over yet: Today's Miami Herald reports, "Proenza hearing may stir new fury", that ousted Hurricane Center Director Bill Proenza and NOAA chief Adm. Lautenbacher are both scheduled to testify at Thursday's hearing of the House Committee on Science and Technology (Room 2318 Rayburn, 10am, for the Hill groupies).

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Seasonal Outlook

Latest seasonal forecast: Click here.

Latest 3-month temperature outlook from Climate Prediction Center/NWS/NOAA.