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Posted at 3:15 PM ET, 07/13/2009

PM Update: Another Nice Day Ahead

By Ian Livingston

Sunny and mild Tuesday; Any 90s this week?

* TWC's New Morning Show | D.C. - A Summer Sweet Spot So Far *

Though temperatures have climbed back to near normal the past few days, there's still not much to complain about around here when it comes to weather. Highs today topped out in the mid-to-upper 80s, but with lower dew points than yesterday, it didn't feel even remotely oppressive. Into the evening, just a shower or two is possible across mainly far eastern and southern parts of the area.

Radar: Latest regional radar loop shows movement of precipitation over past two hours. Powered by HAMweather. Refresh page to update. Click here or on image to enlarge. Or see radar bigger on our Weather Wall.

Through Tonight: There could be isolated showers or thundershowers, mainly east and south of the area, through the evening before partly cloudy skies trend clear by morning. Temperatures fall from the upper 70s near sunset to lows ranging from the upper 50s in the cooler suburbs to the mid-60s downtown D.C.

Tomorrow (Tuesday): Tuesday should be quite sunny and again near average temperature-wise. The cold front hanging around will temporarily be shunted further south, so temperatures should be a pinch cooler than today while dew points once again stay rather low for July. Highs look to reach the mid-80s.

See Jason Samenow's full forecast through the weekend. And if you haven't already, join us on Facebook and follow us on Twitter.

Sea-Level Rise:'s Jeff Masters has a new blog entry out today talking about how much sea level could rise over the next century. Various reports show seas rising from as little as 0.6 feet to as much as 6.6 feet. Based on a growing community consensus, Masters believes that the IPCC (2007) range of 0.6-1.9 feet is probably too low, and concludes that at least 1 meter (3 feet +) is more likely.

By Ian Livingston  | July 13, 2009; 3:15 PM ET
Categories:  Forecasts  
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Dew point is once again at 50 and threatening to go into the forty's for a fairly rare occurrence for July in DC. What a summer it has been to this point! If it weren't for the traffic and the high prices and too many people in a small area and the inevitability of humid summers, I could get used to this. Oh well... I'll enjoy it while I can.

Posted by: pjdunn1 | July 13, 2009 7:00 PM | Report abuse

Mr. Livingston wrote, "Based on a growing community consensus, Masters believes ..."

The old trusty "consensus" canard. Some things never get too old do they? Can he prove a consensus? Have him name everyone who agrees that the sea level will rise at least 3 feet and let's see how many names he can list.

The sea level has been rising since the 1800's. And to my eye, the rise has been very consistent. The industrial revolution got rolling in the 1940's, but I am unable to ascertain any impact from it in the sea level. Can you? Pretty consistent slope, isn't it.

And what caused the sea level rise prior to 1940?

And if you reduce the time scale and focus on more recent sea levels, the rise has started to flatten out. Check out the sea level from 2006 to today.

What would the sea level do if, God forbid, every human fell over dead tomorrow? Would it stop rising? Would the sea level fall? Or would it continue to rise as it has for over 100 years at the same steady pace?

Mr. Q.

Posted by: Mr_Q | July 13, 2009 11:36 PM | Report abuse

Mr. Livingston, did you look at the Wikipedia sea level chart that I linked to in my previous post? This chart.

Take a look at the sea level rise from 1900 to 2000. Roughly 18 centimeters, wouldn't you agree?

Did you know that 1 centimeter = 0.393700787 inches?

Care to guess how many inches 18 cm is? Would you believe 7.0866 inches?

Care to guess how many inches 0.6 feet (the U.N.'s low side prediction) is? Would you believe 7.2 inches?

How much money did that stellar science report from the U.N. cost? I could have used Wikipedia and that chart to give you the same prediction for free!! And I did it in about one minute!

The current U.N. prediction may be for as little as 7 inches of sea level rise in the next 100 years, but that wasn't always the case. 20 years ago a U.N. environmental official warned that we had 10 years before we passed the tipping point (that would have been the year 1999 - yes, 10 years ago!) on "greenhouse warming" and that "coastal flooding and crop failures would create an exodus of "eco-refugees," threatening political chaos". See this link.

My how times change.

I predict that within the next 5 years the big scare will once again be the (say in your deepest and scariest broadcaster voice) "LOOMING ICE AGE".

Mr. Q.

Posted by: Mr_Q | July 14, 2009 12:48 PM | Report abuse

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