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Heat Haze On A Cold Day? Yup. DTW Is Tricky.  
User currently offlineD L X From United States of America, joined May 1999, 11274 posts, RR: 52
Posted (8 years 6 months 1 week 6 days 20 hours ago) and read 4426 times:

Today was an *extremely* cold day here in Michigan (high of 8* Fehrenheit), but it was a very bright sunny day too. Seeing that such sun is infrequent in Michigan in the winter, I decided to do some spotting.

I started at the McNamara deck (Level 9) because the planes were landing on the 4s. After 45 minutes of shooting, I finally gave in to the cold and got back in the car. I had my laptop with me, so I uploaded all the shots and took a look.

EVERY shot had noticeable heat haze!

I couldn't believe it, since I hadn't noticed it with my naked eye, or in the camera's review screen. Obviously, a 400mm lens will pick up things that the human eye didn't notice, but that really sucked.

By this time, the landing pattern reversed, so I went to a different place to spot. No heat haze along Smith and Wick roads, for those of you familiar with the airport.

I think the heat was coming from the hot cars in the lower levels of the parking deck blasting their heaters. If I'm right, then this should help other DTW spotters: beware of super-cold days. I think the temperature differential at the McNamara deck is too much to overcome.  


Heat Haze at McNamara:

Not Heat Hazed from Smith Road

[Edited 2006-02-19 02:25:09]


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6 replies: All unread, jump to last
 
User currently offlineJeffM From United States of America, joined May 2005, 3266 posts, RR: 51
Reply 1, posted (8 years 6 months 1 week 6 days 15 hours ago) and read 4373 times:

Quoting D L X (Thread starter):
I couldn't believe it,

Thanks for telling us something we already knew.

8 degrees? That would have been a heat wave here.


User currently offlineD L X From United States of America, joined May 1999, 11274 posts, RR: 52
Reply 2, posted (8 years 6 months 1 week 6 days 14 hours ago) and read 4347 times:

Quoting JeffM (Reply 1):
Thanks for telling us something we already knew.

If you already knew it, thanks for sharing it.

You didn't.


Also, generally, thank you for your great contributions to this board. I enjoy reading your posts. You're an incredible asset to this board, and I think I can say that just about everyone enjoys your presence.  


EDIT: Wait... where the hell are you? I admit, I may have misinterpreted your post for one of your usual sarcastic ones. I would think that even if you're in Alaska, it ain't this cold anywhere the Navy is. (Even Navy guys wuss out to the USAF in Alaska.)

[Edited 2006-02-19 09:50:22]


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User currently offlineAndrewUber From United States of America, joined Jul 2003, 2528 posts, RR: 40
Reply 3, posted (8 years 6 months 1 week 6 days 13 hours ago) and read 4331 times:

Jeff - give him a break, he's looking for help.

Damon -

Here's the deal with heat haze. Temperature had NOTHING to do with it. What matters is a DIFFERENCE in temperature. For example - your shots from the terminal - if you're shooting along the ground (standing in one spot and shooting an aircraft far away while it's taxiing), there will be a lot of heat haze. The reason for this is that the sun was out - and the ramps and taxiways were getting warmed by the sun. Yes, it was 9 degrees, but maybe the surface temp on the taxiways went up to 12 degrees - and that caused some SLIGHTLY "warmer" air. This will haze the hell out of your images.

In retrospect, if you shoot UP, you are shooting through less heat haze. It is usually close to the ground. That's why your LH A330 shot has no heat haze. You weren't shooting aircraft on the ground from Smith Road, so those shots were probably OK. If you shoot a photo of a car a quarter mile away on Smith Road - I guarantee you there would be heat haze in that shot.

A fellow a.net photographer went to Atlanta with me last month - and we had the same thing. We were shooting over taxiways and ramps - and we had heat haze, even on a cold day. Shoot the same aircraft as it's climbing out and putting it's gear up - and there is very little (if any) heat haze in that photo.

E-mail me if you have any questions, I hope I explained it well enough...

Drew  wave 

[Edited 2006-02-19 10:15:26]


I'd rather shoot BAD_MOTIVE
User currently offlineD L X From United States of America, joined May 1999, 11274 posts, RR: 52
Reply 4, posted (8 years 6 months 1 week 6 days 12 hours ago) and read 4320 times:

Thanks for your help, Drew!


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User currently offlineBY123A From United Kingdom, joined Jan 2005, 23 posts, RR: 3
Reply 5, posted (8 years 6 months 1 week 6 days 12 hours ago) and read 4318 times:

I think the term ‘heat haze’ is a misnomer. It’s the difference in the density of adjacent layers of atmosphere caused by temperature variations that alters its refractive index. It’s more noticeable on a warm summer day because the temperature variations caused by solar heating are far greater than in winter. However, after a clear and calm winter night the temperature at grass level can be several degrees lower than a few feet above, making ground telephoto photography rather pointless.

Steve.


User currently offlineJeffM From United States of America, joined May 2005, 3266 posts, RR: 51
Reply 6, posted (8 years 6 months 1 week 6 days 6 hours ago) and read 4253 times:

Quoting D L X (Reply 2):
where the hell are you?

Denver. It was -12 yesterday.

Quoting D L X (Reply 2):
If you already knew it, thanks for sharing it.

I should have rephrased my comment to "most" people that have been shooting outdoors for more then a few years already know that.

As to contributions.....have you wrote any tutorials or built any actions for us to use lately? Maybe I've missed them? Link to them for me so I can absorb some of your skill and wisdom.

My comment was merely a comment about the low temperatures everyone has been experiencing, no need for a personal attack.


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