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Posted at 12:00 PM ET, 07/ 7/2010

Reader questions on the heat wave...

By Jason Samenow

* Record-threatening heat: Full Forecast | NatCast *

During this intense heat wave, the questions are coming in fast and furious. Matt took a quite a few during yesterday's online chat but we've heard many more from CWG readers via post comments, our Twitter feed, and email. Here's a sampling along with responses:

@bowlernumberone (via Twitter) asks: Hot enough to fry an egg on the sidewalk?

Response: One of our readers (stinkerflat1) performed this experiment yesterday. Check out the video.

Mike (via email) asks: Is there a site where I can view the record heat for any particular day? Specifically I'm looking for the current heat record for Washington DC on July 7.

Response: You bet. The National Weather Service documents daily climate information on its website for DCA, IAD, and BWI. Today's (July 7) records are DCA: 99 (1991), IAD: 101 (1988), BWI: 99 (1993)

@omgapony (via Twitter) asks: Curious whether our 78-80 nighttime lows are also record highs for the dates?

Response: The websites for DCA, IAD, and BWI given above provide the record high minimum temperature data. As this morning's low was 80 at DCA, it appears it will break the record high minimum for the date of 79 (from 1999). Dulles, which dropped to 73, may have tied its record high minimum (from 1987).

Keep reading for more reader Q&As...

Brandon (via email) asks: With it being so damn hot today, I wanted to ask what the top temperature in all of 2009 was for Washington, DC - as in, the high temperature for all 365 days of the year.

Response: The highest temperature in 2009 was 97 on August 10, 2009. I imagine many of us are longing for last summer's conditions.

@karenkraus (via Twitter) asks: There seems to be lots of poor air quality days lately. How does the temperature influence air quality?

Response: Yes. Hotter temperatures tend to make air quality worse. Read more at About.com.

@jrodfoo (via PM Update post): I remember a night in Aug of 2007 that was unbearable at 11:30 PM, it was like a sauna, Does anyone remember this? Gang? It was a Saturday night in early Aug of 2007 I believe.

Response: I remember it well. The humidity during that heat wave was worse than this one. We set a record high minimum of 80 the morning of August 8 followed by a record high maximum of 102 in the afternoon. (The evening prior was no doubt disgustingly oppressive).

By Jason Samenow  | July 7, 2010; 12:00 PM ET
Categories:  Capital Weather Gang, Extreme Heat  
Save & Share:  Send E-mail   Facebook   Twitter   Digg   Yahoo Buzz   Del.icio.us   StumbleUpon   Technorati   Google Buzz   Previous: What do you like about summer heat?
Next: Flashback: Five months ago, epic snow

Comments

First!

Posted by: ForestGlen001 | July 7, 2010 12:14 PM | Report abuse

Satellite (MSU) data continues to show that the global average temperature EVERY day this year has been warmer than the El Nino year of 1998 (and all other years since)! And, the latest El Nino has been weaker than that in 1998. Draw your own conclusions

Posted by: SteveT-CapitalWeatherGang | July 7, 2010 2:09 PM | Report abuse

From the statement you gave us, SteveT, a firm conclusion is not possible...there are simply too many variables, as is the general case with climate change. Even supercomputers, with their capacity and sophistication, can't figure much of it out.

Posted by: MMCarhelp | July 7, 2010 5:25 PM | Report abuse

You mention "high" humidity...what is high?60--90%? put relative humidity on your weather facts.
means more that heat index.

Posted by: patientpruner | July 7, 2010 10:36 PM | Report abuse

I always understood frying an egg on the sidewalk to mean just that, with no pan in the way. As a cook, I'd have to say that the egg in the video appears to have dried, rather than cooked. As a weather watcher, I'd not be surprised to see an egg broken directly on brick or stone in the weather we've been having REALLY cook, without taking several hours to do so!

Posted by: fsd50 | July 8, 2010 12:01 AM | Report abuse

The comments to this entry are closed.

 
 
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