Where do models........

[Johnny]

Where do models come from? What I mean by this is who makes these models like the AVN, ETA, NOGAPs, UKMET, MRF etc. Yes, I am dumb.lol

[Toni - 574]

Hi Johnny, models are something that when hurricanes make landfall they leave behind. LOL just kidding I'm in a silly mood today.

Actually I am not the best person to answer that question for you. There are a lot more knowledgable persons here that can properly answer your question.

[Steve]

Where do models come from? What I mean by this is who makes these models like the AVN, ETA, NOGAPs, UKMET, MRF etc. Yes, I am dumb.lol

You can find that information from doing a Google Search on tropical models. But they come from different sources. The AVN aka known as the Aviation Model, the GFS (formerly known as the MRF) suite is a United States generated model (probably NOAA or whatever). The NOGAPS is a US Navy model. The UKMET comes from the U.K. Meteorological office, the CMC is from Environment Canada, the ECMWF is out of the EU. The JMA is the Japanese model. The FSU Superensemble is out of the FSU Dept. of Met (or Atmospheric Sciences). You can also learn about the respective model biases and where they have trouble if you search for "tropical model biases." The models you mentioned (except the ETA which I look at but don't know its origins) are known collectively as the Global Models. Then there are the tropical models (GFDL is supposed to be a specialty, but it's freaky to me) and some of the so-called shallow models (LBAR, BAMM, BAMD, A98E, etc. - NHC Models).

Hope that helps a little.

Steve

[Steve]

I did the work for you:

Here's info on the ETA. Click "more info" for further details.

You can click on any of the models to the left and there will be a writeup on each (NGM/Nested Grid Model, RUC/Rapid Update Cycle, ECMWF/European, etc.).

Here is the NCEP's page on Known model biases. There are plenty of other similar writings around the web if you search for known model biases. But this one is pretty good to get you on your way.

http://www.hpc.ncep.noaa.gov/mdlbias/biastext.html

Steve

[Johnny]

I appreciate it and this is exactly what I was looking for. Thanks for the help guys.


Johnny

[Steve]

No problem, except I left off that unisys link that discusses ETA, NGM, et al in detail.

Here it is:

http://weather.unisys.com/eta/