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Hand Analysis Discussion/Question


jmills

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Hey there, this is my first post on this particular weather forum.

 

Since severe weather season starts Sunday, I thought I would take the time and finally hand analyze a surface map (I am slow as molasses smile.png) and practice so I could use it during severe weather this year.  

Is there a meteorologist or forecaster experienced in hand analysis that would be willing to give me feedback once I finish? 

 

Thanks...

 

OE20xSVh.jpg

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That's not too bad, but I'd smooth your lines more, esp across the nrn GOM. Pressure lines wouldn't occur that sharply in nature. You can give more or less weight to a particular ob site for better smoothing. Also...is that supposed to be a cold front across FL? The winds don't support it. If anything it should be a stationary front or a trof axis.

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Thanks for the reply. I will take some time this week and practice some more. I have a question about the thermal boundary that stretches from northern Arkansas through far NW Tennessee. There is a temperature gradient, but no wind shift. How would you classify this feature? Would you even plot it on the map?

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That's an active cold front...or secondary cold front. Very common in the winter when a reinforcing cA airmass pushes south behind a cP front. Ideally, you should have two cold fronts on your map. One stretching from LA-MS-AL-GA-TN and the other from CO-AR-KY. 

 

Something similar to this setup...  

 

 

post-866-0-17853300-1425295617_thumb.png

 

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  • 2 months later...

That's not too bad, but I'd smooth your lines more, esp across the nrn GOM. Pressure lines wouldn't occur that sharply in nature. You can give more or less weight to a particular ob site for better smoothing. Also...is that supposed to be a cold front across FL? The winds don't support it. If anything it should be a stationary front or a trof axis.

This is a really important point. Your maps will look a lot better if you smooth them out. Don't feel like you have to warp your lines around the stations to make it work. Sometimes stations are wrong or the time stamp is different. Its better to use individual stations as guides, and not always as absolute truth if they disagree with the stations around them.

 

Then, once you get the hang of the pattern you are looking at it, it can be easier to draw your lines to show features even if there isn't great data in the area. Hopefully that makes some sense.

 

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