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Heat Wave - June 20-23


CoastalWx

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For us who live in heavily shaded areas it is a good representation of the air temp. Mine is in an unshaded area and I notice how much cooler the house is under the shade.

Agreed that argument always makes me laugh when folks try to say our sensors read too cool. Most people don't live in inner cities and tarmacs. Just like those temps are legit , so are the ones where most people live in the woods/ suburbs. It's not that they are too cool or too warm , it's a product of your environment
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For us who live in heavily shaded areas it is a good representation of the air temp. Mine is in an unshaded area and I notice how much cooler the house is under the shade.

I know this is OT for the heat wave thread but I agree. Measuring a free air temp is important but the middle of an open field is not representative of where most people live. If their temps are a couple of degrees cooler then, it shouldn't be ignored. An open area around ones home that receives as much insolation as the average spot in the area is just as good a representation as a giant open field with a sensor in the middle of it, imho.

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I know this is OT for the heat wave thread but I agree. Measuring a free air temp is important but the middle of an open field is not representative of where most people live. If their temps are a couple of degrees cooler then, it shouldn't be ignored. An open area around ones home that receives as much insolation as the average spot in the area is just as good a representation as a giant open field with a sensor in the middle of it, imho.

It goes both ways. Taking a temp 5' above a heavily treated yard with trees everywhere is also not representative of the area. Im not even going to mention to cold in days with NW winds.

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It goes both ways. Taking a temp 5' above a heavily treated yard with trees everywhere is also not representative of the area. Im not even going to mention to cold in days with NW winds.

I agree with that too...where ever the sensor is needs to be representative of an area and be in an open area so it can measure the free air temp. Not to one extreme or another. Some of those treated lawns can really affect a micro climate though.

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I agree with that too...where ever the sensor is needs to be representative of an area and be in an open area so it can measure the free air temp. Not to one extreme or another. Some of those treated lawns can really affect a micro climate though.

you'll notice that not only do some people have broken thermometers, but also slanted rulers and busted rain gauges. it's weird how that happens.

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How ever long it stays aside, the 12z NAM has 22C at 850 and that would support a 102 if the dry adiabatic lapse rate is met to that level, Wednesday. As is, it's T1 temperature off the FRH grid (below) is 34C, which the standard 4C added to get the 2-meter temp is 38C(~100F) for BOS. Note the wind direction? It's 280 degrees at 16kts - that's almost ideal compression, too. This is looking like an unusually hot day. The kicker? The RH columns are showing 46, 38, and 32% respectively, which is essentially full sun. One word: szzzzzzzzzzzzz

60000463832 01894 122816 80342617

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you'll notice that not only do some people have broken thermometers, but also slanted rulers and busted rain gauges. it's weird how that happens.

Very happy with the Davis Pro I installed at work. It is on the roof of a 3 story building so the winds are a little high but the temps seem very representative of the area. The tower weather station at 215 feet and the ambient gauge at ground level in the hallow where the central utilities plant is, really show how stratified air temp can get, also inversions are seen.I am such a weenie at work, when there is ground fog in the summer on my way in the first thing I do is check the computer readouts.

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It goes both ways. Taking a temp 5' above a heavily treated yard with trees everywhere is also not representative of the area. Im not even going to mention to cold in days with NW winds.

Almost everyone treats their yards with either organic or mon organic material, what does that have to do with anything? So it's cooler on a baseball diamond or golf course than in an open field? That argument is so dumb.
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How ever long it stays aside, the 12z NAM has 22C at 850 and that would support a 102 if the dry adiabatic lapse rate is met to that level, Wednesday. As is, it's T1 temperature off the FRH grid (below) is 34C, which the standard 4C added to get the 2-meter temp is 38C(~100F) for BOS. Note the wind direction? It's 280 degrees at 16kts - that's almost ideal compression, too. This is looking like an unusually hot day. The kicker? The RH columns are showing 46, 38, and 32% respectively, which is essentially full sun. One word: szzzzzzzzzzzzz

60000463832 01894 122816 80342617

I have seen very different ops from many people on RH modeled. I thought this would be a dry heat but others think different. IDK as I am basically clueless on RH this week. Don't we need a SW component for HHH?

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Very happy with the Davis Pro I installed at work. It is on the roof of a 3 story building so the winds are a little high but the temps seem very representative of the area. The tower weather station at 215 feet and the ambient gauge at ground level in the hallow where the central utilities plant is really show how stratified air temp can get, also inversions are seen.I am such a weenie at work, when there is ground fog in the summer on my way in the first thing I do is check the computer readouts.

My wind-readings are always low as my anemometer's only at 6-7'.

Meanwhile, still stuck under the overcast, temps up to 60.5/53 in an open grassy (field/lawn) area.

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Almost everyone treats their yards with either organic or mon organic material, what does that have to do with anything? So it's cooler on a baseball diamond or golf course than in an open field? That argument is so dumb.

You missed the joke and are getting defensive. Dews near ground level are always going to be too high first of all. How many times to we need to say this. The golf course argument is not applicable because it is open. Here is an example. Pete glen at 1400' is always going to be cool vs a hill at 1600' during the day. Are both true representatives? Probably not. Every person has very localized climates for sure.

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I have seen very different ops from many people on RH modeled. I thought this would be a dry heat but others think different. IDK as I am basically clueless on RH this week. Don't we need a SW component for HHH?

Yeah, I'm not completely sold on the high DP thing. We could have an interval of that, but what is likely to happen here is a lee side (meaning east of the Berks) heat trough will cause WNW or even NW bending of the wind, west of a say, CON-LGA type axis; that will downsloping will cause katabatic drying (or is it kadabatic...eh, whatever).

This is a kind of "dry line" formation along that axis, west of which the DPs might fall into the low 50s, and east of it the DPs are 60 or higher. This feature would then move toward the coast, advecting any in situ DP seaward. Too bad we're capped!

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You missed the joke and are getting defensive. Dews near ground level are always going to be too high first of all. How many times to we need to say this. The golf course argument is not applicable because it is open. Here is an example. Pete glen at 1400' is always going to be cool vs a hill at 1600' during the day. Are both true representatives? Probably not. Every person has very localized climates for sure.

You just proved my point for me. The readings on home wx stations and Asos are all legit. They are products of the environments that they are in. It's a joke when people accuse people of lying or questions their temps. You can make generalizations of geographic areas based off of this. Cooler areas with higher dews tend to be in elevated areas with forest and drier , torch areas tend to be in places with little vegetation and tons of asphalt and low elevations like BDL EWR and Dorchester. Just like when people used to question the Asos in Central Park, it was in a shaded heavily forested enviro but it was the correct reading for where it was situated
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