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Decent Weather Ahead, But Will it be Stamp-Worthy?

Dan Stillman @ 11:00 PM

We've had several opportunities to use our nice day stamp -- issued for days that meet our nice-weather criteria -- since introducing it early last week. Does the trend continue? ...

Today


Partly cloudy today as a weak disturbance moves through. I wouldn't rule out a midday shower, either. The clouds will hold temperatures down a bit from yesterday -- low-to-mid 70s should do it for the high. Tonight: Clearing skies with a low around 55 in town, upper 40s to near 50 in the burbs.

Tomorrow


Mostly sunny and warm with the high nearing 80 degrees. There's a 20 percent chance of a shower or thunderstorm during the evening and overnight hours as a cold front moves through, but if we see anything at all I think it would be late enough in the evening that a nice day stamp is still warranted. Tomorrow night's low dips into the mid 50s.

Friday


An uncertain forecast, as the frontal boundary stalls to our south and low pressure develops along it. The question is whether shower and thunderstorm activity associated with the front and low pressure will stay south or make it up our way. For now, I'd call it partly sunny early, then partly cloudy with a 25 percent chance of an afternoon or evening shower or thunderstorm (greater chances to the south). High in the low-to-mid 70s.

Friday Night and the Weekend


Friday night and Saturday: The chance of showers and storms increases for Friday night and early Saturday, before diminishing later in the day. The late afternoon of Saturday could turn out ok, even sunny, if the front pushes far enough off to the south and east. After a Friday night low in the upper 50s, the early cloudiness could hold Saturday's temps to the mid 60s, until late-afternoon sunshine boosts the temp to a high around 70.

Sunday: There is still some question as to how much success approaching high pressure will have in pushing the pesky front out to sea. Thus, I think Sunday will be a partly sunny and mostly dry day with a high in the mid 60s, but the possibility of an afternoon shower remains, especially south of town. Sunday has the potential to earn a nice day stamp if the models trend drier and slightly warmer over the next few days.

What about next week? Tune in tomorrow for Josh's 10-day outlook.

Preparing for the Worst


As the mayor of New Orleans announces an improved evacuation plan for the city, officials in Maryland are preparing for the potential impacts of a hurricane slamming into the Carolina coast and pushing water up the Chesapeake Bay.

New computer simulations are predicting that a Category 4 hurricane could generate a storm surge in Baltimore of 18 feet, which is higher than previously expected and upward of 10 feet above that caused by Tropical Storm Isabel in 2003. The plan is to incorporate these new findings into updated maps used by emergency planners -- maps that show the possible extent of inland flooding along the shoreline of the bay.

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