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MLK Weekend Event - Making Lemonade Out of Lemons


Bob Chill
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1 hour ago, Danajames said:

It was 37 when I got up and I live in southern part of Harford County.   As soon as I saw that, I knew this one was a done deal.  

Not necessarily ...

grab your cell phone ...

purchase a sling psychrometer ...

have it delivered by a drone ... 

open the package ...

read the directions ...

take it outside ...

measure the wet bulb temperature ...

estimate the RH from the wet bulb temperature using https://www.sailangle.com/articles/details/id/10  ...

Go to http://www.sciencebits.com/SnowProbCalc?calc=yes ; plug in the RH and T

Estimate your chances 

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1 hour ago, dallen7908 said:

Not necessarily ...

grab your cell phone ...

purchase a sling psychrometer ...

have it delivered by a drone ... 

open the package ...

read the directions ...

take it outside ...

measure the wet bulb temperature ...

estimate the RH from the wet bulb temperature using https://www.sailangle.com/articles/details/id/10  ...

Go to http://www.sciencebits.com/SnowProbCalc?calc=yes ; plug in the RH and T

Estimate your chances 

Thanks for the 2nd link...that's pretty cool.  Unfortunately, the odds of me seeing any snow are slim to none.  The only thing I'm hoping for at this point is that they overestimated how much precipitation will ultimately fall for northern MD, that we'll come in under an inch and that we might see some wrap around snow showers tomorrow with the advancement of the Arctic front. 

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1 hour ago, WEATHER53 said:

-2.5 850 And -1 925.

surface plots shows a 998 that surface plot wise did not gain latitude in last hour but rather due east. Hard to assess but extreme cold to northeast is from departed  low and extreme cold from nw/w is from arctic high 

Yeah, I agree, Howard.  Some surprises in store for us.  I posted the 2 hour pressure change map.  We have a lot of warm air advection at 850 mb and the 850 mb low may pass over most of us.

 

 

2hrpressurechange.jpg

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41 minutes ago, winterymix said:

Yeah, I agree, Howard.  Some surprises in store for us.  I posted the 2 hour pressure change map.  We have a lot of warm air advection at 850 mb and the 850 mb low may pass over most of us.

 

 

2hrpressurechange.jpg

Surprises? Can’t disagree more. There’s been nothing but a warmer trend and delay in precip today. NWS even had to scale back advisories and warnings 

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