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Pentad 250 hPa Height and Anomaly Loop

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.

Pentad-average geopotential height values are shown as grey contours with a contour interval of 30 geopotential meters (gpm). Positive geopotential height anomalies are shown in yellow and orange and negative anomalies are shown in shades of blue. The shading of the anomalies begins at +/- 25 gpm.

Dataset Documentation

Pentad 250 hPa Height and Anomaly Loop

Data
NCEP-NCAR Reanalysis daily geopotential height at 250 hPa on a 2.5° lat/lon grid
Data Source
NOAA National Centers for Environmental Prediction (NCEP) (NCEP/NCAR Reanalysis)
Analysis
Pentad-average geopotential heights and anomalies using the 1981-2010 base period

Dataset

Access the dataset used to create this map.

Helpdesk

Contact help@iri.columbia.edu with any technical questions or problems with this Map Room.