Search Help
Did you find what you were looking for? Yes No
Medium Range Forecast (MRF) and Nested Grid Model (NGM)
Entry ID: gov.noaa.ncdc.C00413


Summary
Abstract: The Nested Grid Model (NGM) and Medium Range Forecast (MRF) Archive is historical digital data set DSI-6140, archived at the NOAA National Centers for Environmental Information (NCEI). The National Centers for Environmental Prediction (NCEP) of the National Weather Service (NWS) runs a series of computer analyses and forecasts operationally, which use or produce model data. This data set is one of several NCEP sets of model data archived at NCEI. Historical data set DSI-6140 consists of two subgroups of NCEP model data: NGM and MRF for the time period January 1, 1991 through April 15, 1997. Geographic coverage is the 48 contiguous states of the United States of America, plus adjacent waters and southern Canada. Major parameters provided by NGM are ice covered water areas (yes/no), snow covered areas (yes/no), terrain height, mean sea level pressure, convective precipitation, total precipitation, exchange coefficient at surface, upward turbulent flux of sensible heat, upward turbulent flux of water, surface pressure, number of mixed layers next to surface, u component of wind, v component of wind, vertical velocity, specific humidity, and temperature. Parameters provided by MRF are surface temperature, geopotential height, and relative humidity. DSI-6140 is the historical precursor data set to digital data set DSI-6141, NCEP EDAS and GDAS (FNL) Model Data, also archived at NCEI.

Purpose: The analyzed data should provide a better representation of the real atmosphere than observations alone because of limitations in the observations. Some of these limitations are due to measurement error or other instrument problems, and nonuniform spatial and temporal distributions of the observations. At NOAA's Air Resources Laboratory (ARL), the NCEP model data are used for air quality transport and dispersion modeling.

Related URL
Link: View Related Information
Description: View Source Metadata


Geographic Coverage
 N: 72.0 S: 18.0  E: -66.0  W: 172.0

Data Set Citation
Dataset Originator/Creator: DOC/NOAA/NWS/NCEP > National Centers for Environmental Prediction, National Weather Service, NOAA, U.S. Department of Commerce
Dataset Title: Medium Range Forecast (MRF) and Nested Grid Model (NGM)
Dataset Release Date: 1991-01-01
Data Presentation Form: modelDigital


Temporal Coverage
Start Date: 1991-01-01
Stop Date: 1997-04-15


Location Keywords
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA


Science Keywords
ATMOSPHERE >ALTITUDE >GEOPOTENTIAL HEIGHT    [Definition]
ATMOSPHERE >ATMOSPHERIC PRESSURE >SEA LEVEL PRESSURE    [Definition]
ATMOSPHERE >ATMOSPHERIC RADIATION >HEAT FLUX    [Definition]
ATMOSPHERE >ATMOSPHERIC TEMPERATURE >SURFACE TEMPERATURE >AIR TEMPERATURE    [Definition]
ATMOSPHERE >ATMOSPHERIC WATER VAPOR >HUMIDITY    [Definition]
ATMOSPHERE >ATMOSPHERIC WATER VAPOR >WATER VAPOR    [Definition]
ATMOSPHERE >ATMOSPHERIC WATER VAPOR >WATER VAPOR PROFILES    [Definition]
ATMOSPHERE >ATMOSPHERIC WINDS >UPPER LEVEL WINDS    [Definition]
ATMOSPHERE >ATMOSPHERIC WINDS >VERTICAL WIND MOTION    [Definition]
ATMOSPHERE >PRECIPITATION >PRECIPITATION AMOUNT    [Definition]
CRYOSPHERE >SNOW/ICE >LAKE ICE    [Definition]
CRYOSPHERE >SNOW/ICE >RIVER ICE    [Definition]
LAND SURFACE >TOPOGRAPHY >TERRAIN ELEVATION >DIGITAL ELEVATION/TERRAIN MODEL (DEM)    [Definition]
CRYOSPHERE >SEA ICE    [Definition]


ISO Topic Category
null


Use Constraints
Cite this dataset when used as a source.


Keywords
EARTH SCIENCE > ATMOSPHERE > ALTITUDE > GEOPOTENTIAL HEIGHT
EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC PRESSURE > SEA LEVEL PRESSURE
EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC RADIATION > HEAT FLUX
EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC TEMPERATURE > SURFACE TEMPERATURE > AIR TEMPERATURE
EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WATER VAPOR > HUMIDITY
EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WATER VAPOR > WATER VAPOR PROFILES
EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WATER VAPOR > WATER VAPOR PROFILES
EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WINDS > SURFACE WINDS
EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WINDS > UPPER LEVEL WINDS
EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WINDS > VERTICAL WIND MOTION
EARTH SCIENCE > ATMOSPHERE > PRECIPITATION > PRECIPITATION AMOUNT
EARTH SCIENCE > LAND SURFACE > TOPOGRAPHY > TERRAIN ELEVATION > DIGITAL ELEVATION/TERRAIN MODEL (DEM)
EARTH SCIENCE > CRYOSPHERE > SNOW/ICE > LAKE ICE
EARTH SCIENCE > CRYOSPHERE > SNOW/ICE > RIVER ICE
EARTH SCIENCE > HYDROSPHERE > SNOW/ICE > LAKE ICE
EARTH SCIENCE > HYDROSPHERE > SNOW/ICE > RIVER ICE
EARTH SCIENCE > OCEANS > SEA ICE
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA


Data Set Progress
COMPLETE


Data Center
National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce    [Information]
Data Center URL: https://ncei.noaa.gov/

Data Center Personnel
Name: CUSTOMER ENGAGEMENT BRANCH DOC/NOAA/NESDIS/NCEI
Phone: +1 828-271-4800
Fax: +1 828-271-4876
Email: ncdc.orders at noaa.gov
Contact Address:
151 Patton Avenue
Federal Building, Room 468
City: Asheville
Province or State: NC
Postal Code: 28801-5001
Country: USA



Distribution
Fees: Electronic data downloads are free, fees may apply for data certifications.



Creation and Review Dates
DIF Creation Date: 2016-11-28
Last DIF Revision Date: 2016-12-02



Link to Web Site