Atmospheric Circulation

Daily, pentad, monthly and seasonal measures and analyses of atmospheric circulation.

Monthly
This map shows the monthly geopotential height climatology and anomalies at the 250 hPa pressure level in the atmosphere using the 1981-2010 base period for the month shown.
This map shows the monthly geopotential height climatology and anomalies at the 500 hPa pressure level in the atmosphere using the 1981-2010 base period for the month shown.
This map shows the monthly geopotential height climatology and anomalies at the 925 hPa pressure level in the atmosphere using the 1981-2010 base period for the month shown.
This map shows the monthly geopotential height climatology and standardized anomalies at the 925, 500, and 250 hPa pressure levels in the atmosphere using the 1981-2010 base period for the month shown.
This map shows the monthly streamfunction climatology and standardized anomalies at the 925, 500, and 250 hPa pressure level in the atmosphere using the 1981-2010 base period for the month shown.
This map shows the monthly velocity potental climatology and standardized anomalies at the 250 hPa pressure level in the atmosphere using the 1981-2010 base period for the month shown.
This map shows the monthly streamfunction climatology and anomalies at the 250 hPa pressure level in the atmosphere for the given month over the 1981-2010 base period.
This map shows the monthly streamfunction climatology and anomalies at the 500 hPa pressure level in the atmosphere for the given month over the 1981-2010 base period.
This map shows the monthly streamfunction climatology and anomalies at the 925 hPa pressure level in the atmosphere for the given month over the 1981-2010 base period.
This map shows the monthly velocity potential climatology and anomalies at the 925 and 250 hPa pressure levels in the atmosphere for the given month over the 1981-2010 base period.
This plot presents a representation of the Quasi-biennial Oscillation (QBO) in terms of a time-pressure cross-section of the spatial average of equatorial zonal winds.
This is a contour map of monthly average sea level pressure for the globe.
This is a contour map of monthly average sea level pressure anomalies for the globe with respect to the 1981-2010 climatology.
This is a contour map of monthly average sea level pressure standardized anomalies for the globe with respect to the 1981-2010 climatology.
These maps show monthly vector wind anomalies at various pressure levels in the atmosphere using the 1981-2010 base period for the month shown.
These maps show monthly vector wind anomalies at various pressure levels in the atmosphere using the 1981-2010 base period for the month shown.
These maps show monthly vector wind anomalies at various pressure levels in the atmosphere using the 1981-2010 base period for the month shown.
These maps show monthly vector wind anomalies at various pressure levels in the atmosphere using the 1981-2010 base period for the month shown.
These maps show monthly vector wind anomalies and wind speed anomalies from the month previous (Lag = -1) to the labeled month, and the change in sea surface temperature anomalies from the previous month to the labeled month, for the globe, using the 1971-2000 base period.
These maps show monthly vector winds, wind magnitudes, and sea surface temperatures for the globe for the month shown.
These maps show monthly vector wind anomalies, wind speed anomalies, and sea surface temperature anomalies for the globe using the 1971-2000 base period for the month shown.
Daily
This map shows a 90-day animation of thirty-day average geopotential height and anomalies at the 250 hPa pressure level in the atmosphere using the 1981-2010 base period.
This map shows a 90-day animation of thirty-day average geopotential height and anomalies at the 500 hPa pressure level in the atmosphere using the 1981-2010 base period.
This map shows a 90-day animation of thirty-day average geopotential height and anomalies at the 925 hPa pressure level in the atmosphere using the 1981-2010 base period.
This map shows a 90-day animation of thirty-day average geopotential height and standardized anomalies at the 250 hPa pressure level in the atmosphere using the 1981-2010 base period.
This map shows a 90-day animation of thirty-day average geopotential height and standardized anomalies at the 500 hPa pressure level in the atmosphere using the 1981-2010 base period.
This map shows a 90-day animation of thirty-day average geopotential height and standardized anomalies at the 925 hPa pressure level in the atmosphere using the 1981-2010 base period.
This map shows the thirty-day average geopotential height climatology and anomalies at the 250 hPa pressure level in the atmosphere using the 1981-2010 base period for the latest available thirty-day period.
This map shows the thirty-day average geopotential height climatology and anomalies at the 500 hPa pressure level in the atmosphere using the 1981-2010 base period for the latest available thirty-day period.
This map shows the thirty-day average geopotential height climatology and anomalies at the 925 hPa pressure level in the atmosphere using the 1981-2010 base period for the latest available thirty-day period.
This map shows the thirty-day average geopotential height climatology and standardized anomalies at the 250 hPa pressure level in the atmosphere using the 1981-2010 base period for the latest available thirty-day period.
This map shows the thirty-day average geopotential height climatology and standardized anomalies at the 500 hPa pressure level in the atmosphere using the 1981-2010 base period for the latest available thirty-day period.
This map shows the thirty-day average geopotential height climatology and standardized anomalies at the 925 hPa pressure level in the atmosphere using the 1981-2010 base period for the latest available thirty-day period.
Pentad
This map displays an animation of pentad-average geopotential heights and anomalies at the 250 hPa pressure level in the atmosphere using the 1981-2010 base period for the past 30 days.
Seasonal
This map shows the seasonal (3-month average) geopotential height climatology and anomalies at the 250 hPa pressure level in the atmosphere using the 1981-2010 base period for the season shown.
This map shows the seasonal (3-month average) geopotential height climatology and anomalies at the 500 hPa pressure level in the atmosphere using the 1981-2010 base period for the season shown.
This map shows the seasonal (3-month average) geopotential height climatology and anomalies at the 925 hPa pressure level in the atmosphere using the 1981-2010 base period for the season shown.
These maps show the seasonal geopotential height climatology and standardized anomalies at the 250, 500, and 925 hPa pressure levels in the atmosphere using the 1981-2010 base period for the season shown.
This map shows the seasonal (3-month average) streamfunction climatology and standardized anomalies at the 250, 500, and 925 hPa pressure levels in the atmosphere using the 1981-2010 base period for the season shown.
These maps show the seasonal (3-month average) velocity potental climatology and standardized anomalies at the 925 and 250 hPa pressure levels in the atmosphere using the 1981-2010 base period for the season shown.
This map shows the seasonal (3-month average) streamfunction climatology and anomalies at the 250 hPa pressure level in the atmosphere using the 1981-2010 base period for the season shown.
This map shows the seasonal (3-month average) streamfunction climatology and anomalies at the 500 hPa pressure level in the atmosphere using the 1981-2010 base period for the season shown.
This map shows the seasonal (3-month average) streamfunction climatology and anomalies at the 925 hPa pressure level in the atmosphere using the 1981-2010 base period for the season shown.
These maps show the seasonal (3-month average) velocity potental climatology and anomalies at the 925 and 250 hPa pressure levels in the atmosphere using the 1981-2010 base period for the season shown.