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Thunderstorms

Posted Nov 10th - 4:54pm

I have noticed that sometimes it is raining slighty then a bolt of lightning comes following a clap of thunder and boom, the rain turns into a down pour. My question is why does this happen? It's almost like the lightning cuts a big hole in the cloud and lets the rain out.

Clyde R.

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Cold and Elevation

Posted Nov 10th - 3:15pm

Hi,

What is the relationship between altitude and weather along the Wasatch Front? In the winter and night time, it seems that the coldest temperatures can be found in the lowest elevations. Yet the snow level is often defined as being above a certain elevation and this definitely matches experiences as the upper elevations of the mountains retain their snow longer then lower elevations.

Is it correct to say cold air typically retreats to the lowest elevations, leaving a small band of warm air along the benches. Above a certain elevation (perhaps 5200 feet) the effects of rising elevation again make the air temperature colder. If this is true for low temperatures, how does this effect high temperatures?


Lake Effect

Posted Nov 10th - 1:52pm

Hi there,

I've been wondering about the effect the lower level of the Utah lakes during the drought, particularly the Great Salt Lake, has had on the precipitation levels throughout the winters?

I know that I hear often how you talk about how significant the lake effect is when it comes to snow totals, so I guess I'm just wondering if having lower lake levels has perpetuated the drought? And conversely, would higher than normal lake levels increase water in the mountains East of any lake, thus adding to increased potential for flooding?


More About Jet Streams

Posted Nov 9th - 11:54am

I was wondering How wide is the Jet stream? I see the weather maps of the jet stream and I understand the high winds. But when the jet stream is over Yellowstone, What is the wind speeds like over Salt Lake City? Thanks John M.

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Recently we talked about the speeds of the jet and the basics, you can find that on the link on the right.


Pressure Readings

Posted Nov 5th - 10:14pm

I keep watch on a Barometer in my house. It never seems to go into the lower ranges below 29.5 in. or 990 mb. I'm wondering if I'm calibrating it correctly. Every once in a while I'll adjust the reading to match a weather service report. Then I guess my real question is how come we never seem to see low adjusted pressures, say below 29 in.?

Chuck R.

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Ring Around the Moon

Posted Nov 4th - 6:43pm

What is the large outer ring around the moon tonight? Firday November 3rd!!! It looks amazing, but I can't get a photo of it! Kristen L

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Here's a photo of a halo, but not the same one. This ring is called a halo. It forms when there are ice crystals in the sky that are shaped like hexagons. The light is bent or refracted as it passes through these crystals.


Pollution and Bad Weekend Weather

Posted Nov 1st - 4:44pm

Hi Weather Team,

My car pool was discussing how it seems that we get more bad weather on weekends than during the week. Someone hypothesized that it could be because of pollution building up in the atmosphere during the week from commuter driving, causing cloudy, rainy weather on the weekend. I don't think this is the reason but I have two questions: does historical data show more inclement weather on weekends them at other times and is so, do you know why that would be.

pollution? ;)-


Highs and Lows

Posted Nov 1st - 11:41am

I know this will sound foolish, as if I should know, but I'm confused:

Today, Wednesday, KSL posts temperatures as "50" high and "20" low.

I always thought that the "50" was the high temperature to happen on Wednesday, and the "20" would be the low for Wednesday night (as in before Thursday morning).


The Jet Stream

Posted Oct 30th - 1:42pm

What is the fastest known speed of the jet stream, or streams if there is more than one.

Thank you Chris J. G.

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Sun Dogs and Halos

Posted Oct 28th - 9:34pm

As I was driving home to Hurricane, Utah today from Salt Lake, I noticed not one, not two, but three sondogs in the sky. At least, I think they were sondogs. I have included several pictures for you. Is it often that more than one of these show up at the same time? One of these kept changing shapes, and would go from a large ball in the sky to an elongated rainbow like arc. Is that common?

David & Gerri H.

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March 10th, 2006 @ 1:44pm
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