Stratospheric circulation NH – Wind Source: Japan Meteorological Agency. (Details) Source: Japan Meteorological Agency. (Details) Unit: m/s. Source: Japan Meteorological Agency. (Details and Climatology) Forecast. Zonal wind (10hPa, 60°N) climatology and forecast (GFS & GEFS). The image is produced by Simon Lee; see his website, including further information on Stratosphere forecast. See other model products at climate.copernicus.eu. Link to Hannah Attard’s website Link to Sudden Stratospheric Warming Compendium data set Links to Stratosphere diagnostics Link to NASA Ozone Watch