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> FAQ: Forecast Model Run Schedule, What Time Do Models Come Out?
DomNH
post Dec 9 2008, 10:30 AM
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This is a description of the models available on AccuWeather.com Professional:

Regional Forecast Models (North America)
AccuModel: A 10-day surface forecast database tweaked 24/7 by AccuWeather meteorologists.
COAMPS: The short-range Coupled Ocean/Atmosphere Mesoscale Prediction System model.
DGEX: Downscaled GFS with Eta Extension: A high-res ETA model initialized with GFS data; hours 78-192.
GFDL: The Geophysical Fluid Dynamics Laboratory's tropical weather model.
NAM (WRF-NMM): The primary short-term weather forecast model for the United States, formerly the ETA model.
NAM-215: A high resolution (20 km) version of the North American Model.
NAM Ensembles: Ensembles from the NAM, formerly included in SREF.
NDFD: The National Weather Service's surface forecast database.
NDGD: A high resolution (5 km) grid of GFS-based MOS guidance forecasting surface weather.
NGM: The original "Nested Grid Model" -- a short-range forecast model for the U.S.
RSM Ensembles: Ensembles from the Regional Spectral Model, formerly included in SREF.
RUC2: The very short-range (12 hour) but high-resolution (20 km) Rapid Update Cycle model.
WRF : The Weather Research & Forecasting model, a regional mesoscale numerical weather prediction system.
WRF Ensembles: Ensembles from the WRF, formerly included in SREF.


Global Forecast Models:

CFS: The Climate Forecast System, a 9-Month monthly forecast model.
CMC: The Canadian Meteorlogical Center's worldwide short-range model.
ECMWF: The European Centre for Medium-Range Weather Forecasts' medium-range worldwide model.
GFS: The Global Forecasting System model is the primary long-range forecasting tool. Formerly known as the AVN or MRF.
GFS Ensembles: Ensembles from the GFS model including Spaghetti Plots, Means and Spreads.
JMA: The Japan Meteorological Agency's worldwide medium-range model.
NAEFS: Ensembles generated with data from the Canadian Meteorlogical Center's worldwide medium-range model.
NOGAPS: The U.S. Navy's worldwide medium-range forecast model.
UKMET: The United Kingdom Meteorological Centre's worldwide medium-range forecast modle.
WaveWatch III: A worldwide ocean model predicting winds and waves.

NCEP model schedule


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Removed_Member_wfreeck_*
post Jan 24 2009, 06:59 PM
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All the times are EST and approximate.

GFS
*00z = 11:30 PM
*12z = 12:30 AM
GEFS (GFS Ensembles)
*00z = 12:45 PM
*12z = 12:45 AM
NAM
*00z = 9:30 PM
*12z = 9:30 AM
UKMET
*00z = 2:00 AM
*12z = 2:00 PM
Canadian GGEM (sooner if you go directly to their sight)
*00z = 2:00 AM
*12z = 2:00 PM
Canadian GGEM Ensembles
*00z = 4:45 AM
*12z = 4:45 PM
ECMWF (sooner if you go directly to their sight)
*00z = 3:20 AM
*12z = 3:20 PM
NOGAPS
*00z = 2:00 AM
*12z = 2:00 PM
DGEX
*00z = 5:15 AM
*12z = 5:15 PM
JMA
*00z = Between 1:00 & 3:00 AM
*12z = Between 1:00 & 3:00 PM

This post has been edited by wfreeck: Apr 4 2009, 08:13 AM
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Prospekt
post Jan 24 2009, 07:05 PM
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Thanks, a few of these I didnt know. biggrin.gif


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WeatherMatrix
post Jan 25 2009, 09:08 AM
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QUOTE(wfreeck @ Jan 24 2009, 07:59 PM) *
All the times are EST


Although this is a good general schedule, the reality is that the models come out at different times each run, due to...

1. How long it takes the model to run at NCEP/whereever
2. How long it takes them to make the files available to the public
3. How long it takes your provider (including NCEP) to pick up the data and produce graphics from it.

As noted above, below is a link to the NCEP site stating the current model times, which takes care of #1 & #2.

If you are using AccuWeather.com Pro, you can refer to the model page there (link below) which lists the progress of each run - you'll see "COMPLETED" when the model is done and "PROCESSING" when it's processing. It will look something like this.


- NCEP Current Model Times (Z) - Bookmark This Page!

- AccuWeather.com Pro Current Model Times (Z) - Pro Users Only



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gloryboy1417
post Jan 31 2009, 05:22 PM
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I want to add another link Models

This site has a nice link to all the models.


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Removed_Member_wfreeck_*
post Apr 4 2009, 08:19 AM
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QUOTE(WeatherMatrix @ Jan 25 2009, 11:08 AM) *
Although this is a good general schedule, the reality is that the models come out at different times each run, due to...

As noted above, below is a link to the NCEP site stating the current model times, which takes care of #1 & #2.

If you are using AccuWeather.com Pro, you can refer to the model page there (link below) which lists the progress of each run - you'll see "COMPLETED" when the model is done and "PROCESSING" when it's processing. It will look something like this.


- NCEP Current Model Times (Z) - Bookmark This Page!

- AccuWeather.com Pro Current Model Times (Z) - Pro Users Only


Yep, that's why all the times are approximate. smile.gif
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lyra
post Jul 15 2009, 02:08 PM
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nice men....


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I-95blizzard
post Jul 16 2009, 11:47 PM
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QUOTE(wfreeck @ Jan 24 2009, 08:59 PM) *
All the times are EST and approximate.

GFS
*00z = 11:25 PM-12:45 AM
*12z = 11:25 AM-12:45 PM
GEFS (GFS Ensembles)
*00z = 11:45 PM-12:45 PM
*12z = 11:45 AM-12:45 AM
NAM
*00z = 9:40 PM-10:40 PM
*12z = 9:40 AM-10:40 AM
UKMET
*00z = 11:30 PM (to 72)-2:30 AM (to 144)
*12z = 11:30 AM (to 72)-2:30 PM (to 144)
Canadian GGEM
*00z = 11:00 PM-12:30 AM
*12z = 11:00 AM-12:30 PM
Canadian GGEM Ensembles
*00z = 3:45 AM
*12z = 3:45 PM
ECMWF (sooner if you go directly to their sight)
*00z = 12:50 AM (for paying subscribers)-2:00 AM (for the public)
*12z = 12:50 PM (for paying subscribers)-2:00 PM (for the public)
NOGAPS
*00z = 11:30 PM-12:30 AM
*12z = 11:30 AM-12:30 PM
DGEX
*00z = 4:15 AM-5:15 AM
*12z = 4:15 PM-5:15 PM
JMA
*00z = 1:00 AM-3:00 AM
*12z = 1:00 PM-3:00 PM

Some models update faster on other sites, so I'm editing this...links to each fast update model are in the links thread (or will be soon).


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BtownWxWatcher
post Nov 1 2009, 12:11 PM
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Since we are back to Standard Time, here are the times the models come out. [all times are approximate]
GFS
0z: 10:30pm
6z: 4:30am
12z: 10:30am
18z: 4:30pm

NAM
0z: 8:35pm
6z: 2:35am
12z: 8:35am
18z: 2:35pm

GGEM
0z: 12:00am
12z : 12:00pm

UKMET
0z: 12:30am
12z: 12:30pm

ECM
0z: 1:30am
12z: 1:30pm


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Chicago Storm
post Nov 1 2009, 05:29 PM
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QUOTE(BtownWxWatcher @ Nov 1 2009, 11:11 AM) *
Since we are back to Standard Time, here are the times the models come out. [all times are approximate]
GFS
0z: 10:30pm
6z: 4:30am
12z: 10:30am
18z: 4:30pm

NAM
0z: 8:35pm
6z: 2:35am
12z: 8:35am
18z: 2:35pm

GGEM
0z: 12:00am
12z : 12:00pm

UKMET
0z: 12:30am
12z: 12:30pm

ECM
0z: 1:30am
12z: 1:30pm

Note, these times are all in EDT.
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BtownWxWatcher
post Mar 14 2010, 10:46 AM
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New model times with the change to DST, times vary on site, these are the earliest times.

00z GFS:~11:30pm
06z GFS:~5:30am
12z GFS:~11:30am
18z GFS:~5:30pm

00z GFS Ensemble Means:~12:45am
06z GFS Ensemble Means:~6:45am
12z GFS Ensemble Means:~12:45pm
18z GFS Ensemble Means:~6:45pm

00z NAM:~9:40pm
06z NAM:~3:40am
12z NAM:~9:40am
18z NAM:~3:40pm

03z SREF:~3:20am
09z SREF:~9:20am
15z SREF:~3:20pm
21z SREF:~9:30pm [yeah, I know it comes out a little later]

06z DGEX:~5:20am
18z DGEX:~5:20pm

00z GGEM:~12:15am
12z GGEM:~12:15pm

00z GGEM Ensemble Means:~4:45am
12z GGEM Ensemble Means:~4:45pm

00z RGEM:~11:15pm
06z RGEM:~5:15am
12z RGEM:~11:15am
18z RGEM:~5:15pm

00z UKMET:~12:00am
12z UKMET:~12:00pm

00z NOGAPS:~12:30am
12z NOGAPS:~12:30pm

00z JMA:~1:30am
12z JMA:~1:30pm

00z ECMWF:~2:00am
12z ECMWF:~2:00pm


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Playa21
post Dec 8 2010, 07:40 PM
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I'm just not over the variation. EMCWF puts Chicago and NW in the sweet stop (along with central/northern MI).

GFS has the storm down by Orlando.

Hah, craziness.


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