Saturday, January 18, 2025

Quick Lesson-Weather Models.

Below is the 6AM Saturday run. This is the snapshot at what may happen 90 hours from now. 

Click on the button on the very top that says Forecast Models. The GFS should pop up. It will say so beside a blue bar just about the map. 

Want to run the map, or the lastest model, click on the play button just below the button that says Hurricane. 

Find Texas on the map of the US. Go as far south on the map as you can and not be in the Gulf of Mexico. ( It's been called the Gulf of Mexico since the 1600s. I have a map from 1690, that has Gulf of Mexico on it.) Then, go as far east as you can on the Texas portion of the map. That is our area. 

On the map, our area is blue. Blue means snow. If the area is purple that is sleet, or ice pellets, if it is pink, it is freezing rain, which is bad, very bad. The darker the color, the heavier the precip. Green is just rain.

For this lesson, here is what to know about the lines on the map, the closer the lines, the greater the wind. That's all you need to know right now. 

For this lesson I am using the site https://www.tropicaltidbits.com/analysis/models/

To the left of the map, there are 4 buttons. For now, only use 2 of the 4. The Precip/Moisture, and the Thermodynamics. The top and bottom buttons. 

Click on the Precip/ Moisture and several choices happen. For now only click on MLSP&Precip. ( Rain and Frozen).....This setting will let you know the rain, ice, snow that the model is predicting for the future. 

If you want to know future temperatures, click on the Thermodynamic. For us, only use 2mTemperture(shaded).

 Each time, click on the play button, just to  run the program. 

Want to change models?  

Click on the button that says Global.

GFS- American model

ECMWF- European Model

CMC- Canadian

Icon-The damn Germans 

At first only use the European and the American Models. 

To the right of the map are numbers. These are hours in the future. When the map runs, it lets you know at say hour 96 what the weather "might" be. 

Disclaimer 1- This is how my browser works. Yours may not be the same. 

Disclaimer 2- Weather is not an exact science, as Dr Arnow taught us back in the day. This is just what the computer thinks will happen. We may not get rain, or snow...We may have a horrid ice storm. It might not rain, snow at all. Who knows? 

Play with the system. It's fairly easy. 

If got questions, I KNOW, I've lost a bunch of you. Ask in the comments on Facebook. .

 


 

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