Home
Home
Montreal/Quebec Portal
Toulouse/France Portal
Analysis
Analysis
Surface - North America
Surface - Europe
Altitude - North America
Altitude - Europe
CMC - North America
CMC - Europe
Surface
Surface
WeatherAlert Quebec - Français
WeatherAlert France - Français
METAR - Quebec
METAR - France
METAR - UK
Precip. Accum. - North America
Precip. Accum. - Europe
Tmin/Tmax - North America
Tmin/Tmax - Europe
Snow - North America
Snow - Europe
Radar
Radar
Radar - North America
Profilers - Montreal
Radar - Europe
Satellite
Satellite
VIS - North America
IR - North America
VIS - Europe
IR - Europe
Lightning
Lightning
North America
Europe
Radiosonde
Radiosonde
North America
Europe
Forecast
Forecast
Warnings
Cyclone Tracking
Comparison
CMC-GDPS
CMC-HRDPS
NCEP-GFS
NCEP-NAM
NCEP-NAM-HIRES
NCEP-HRW-ARW
NCEP-HRW-FV3
NCEP-HRRR
UKMET-G
ECMWF-HRES
JMA-GSM
MF-ARPEGE
MF-AROME
DWD-ICON
CMC-GEPS
CMC-REPS
NCEP-GEFS
NCEP-SREF
Dionysos
MC+
MC+
Forum
Forum
Quebec - English
France - Français
More
More
News
Archives
Aviation
Weather Bord - North America
Weather Bord - Europe
About Us
About Us
History
Copyright
Contacting us
DIONYSOS - Online diagnostics: NCEP-GFS North America
Introduction
|
Documentation
|
Diagnostics
Hide navigation
Jump to forecast hour :
10h30
13h30
16h30
19h30
22h30
25h30
28h30
31h30
34h30
UTC
Currently NCEP-GFS North America
Switch to CMC-GDPS North America
Switch to NCEP-GFS North America
Switch to CMC-GDPS Europe
Switch to NCEP-GFS Europe
Switch to CMC-GDPS New-Zealand
Switch to CMC-GDPS North Pole
Switch to CMC-GDPS West Pacific
Switch to other diagnostics
Vertical Motion diagnostics
Geostrophic Vorticity Tendency Diagnostics: Geo. Vort. shown
Geostrophic Vorticity Tendency Diagnostics: Geo. Vort. Tend. shown
Upper-level Vorticity Tendency Diagnostics: Vort. shown
Upper-level Vorticity Tendency Diagnostics: Vort. Tend. shown
Click on a point to get a vorticity tendency diagnostic :
It will take a few seconds to generate the map
NCEP-GFS North America Forecast Time:
31h30
Geopotential Height at 500 hPa in black (interval 6 dam).
Absolute Vorticity at 500 hPa in
red
(interval 2X10
-5
sec
-1
).
Diagnostic Validation
700 hPa : Vertical Motion : Model vs Diagnosed
950 hPa : Geostrophic Vorticity Tendency : Model vs Diagnosed
500 hPa : Vorticity Tendency : Model vs Diagnosed
Vort. Tend. Correlation:
0.883
RRMS:
0.874
Selected Maps
500 hPa : Geopotential Height / Absolute Vorticity
800 hPa : Geopotential Height / Temperature
300 hPa : Geopotential Height / Wind Speed
Mean Sea-Level Pressure / 1000-500 hPa Thickness
Mean Sea-Level Pressure / Temperature Tendency
Dynamic Tropopause: Pressure and Potential Temperature
Explore Forcings Interactively
Vorticity Advection
Temperature Advection
Latent Heat Release
Sensible Heat Flux
Friction
Orography