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Forecast Tools
Product Notice
For plain text products, click the TEXT button.
NGM Numerical Guidance
What do the numbers mean in the NGM numerical guidance below?
NGM-El DoradoText Button NGM-Hot SpringsText Button
NGM-FayettevilleText Button NGM-JonesboroText Button
NGM-Fort SmithText Button NGM-Little RockText Button
NGM-HarrisonText Button NGM-Pine BluffText Button
NGM-TexarkanaText Button
GFS/AVN (MAV) Numerical Guidance
MAV-El DoradoText Button MAV-JonesboroText Button
MAV-FayettevilleText Button MAV-Little RockText Button
MAV-Fort SmithText Button MAV-MonticelloText Button
MAV-HarrisonText Button MAV-Mtn HomeText Button
MAV-HighfillText Button MAV-Pine BluffText Button
MAV-Hot SpringsText Button MAV-TexarkanaText Button
NAM/ETA (MET) Numerical Guidance
MET-El DoradoText Button MET-JonesboroText Button
MET-FayettevilleText Button MET-Little RockText Button
MET-Fort SmithText Button MET-MonticelloText Button
MET-HarrisonText Button MET-Mtn HomeText Button
MET-HighfillText Button MET-Pine BluffText Button
MET-Hot SpringsText Button MET-TexarkanaText Button
Graphical Guidance
The following model data is displayed in 4-panel presentations...with the data consisting of: 
Mean Sea Level Pressure/1000 - 500mb Thickness
850mb Height/Temperature/Wind
700mb Height/Relative Humidity/Wind
500mb Height/Vorticity/Wind
300mb Height/Wind
Model Time*
NGM 00Z 12Z
NAM/ETA 00Z 12Z
06Z 18Z
GFS/AVN 00Z 12Z
06Z 18Z
* While the models are valid at the times shown, they will not be ready for viewing at these times. For example, the 00Z (6 pm CST/7 pm CDT) data will not be available until late evening (06Z: early morning, 12Z: late morning, 18Z: late afternoon). 
 
Other Data Sources
GFS/AVN <alternate source> NAM/ETA <alternate source>
RUC More Guidance
Surface and Upper Air Maps
Surface Map <alternate source> 500 MB <alternate source>
250 MB <alternate source> 700 MB <alternate source>
300 MB <alternate source> 850 MB <alternate source>
Severe Weather Tools
Severe Weather Link 1
(overlay variables such as Boundary Layer Moisture Convengence, CAPE/CIN and Helicity/Shear...with a description of each variable by clicking the links provided)
Severe Weather Link 2
(severe weather analyses updated hourly and usually centered on an SPC risk area)
Other Tools
Skew-T/Log-P Sites
Wind Chill and Heat Index Charts
Back to Main
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