NOAA ESRL PSD rean20thcent V2 six-hourly monolevel_sprd tropo selection

You can interactively pick out the data you would like with the Data Viewer.

Otherwise choose the variable you would like to select data from:

• 6-hourly Air Temperature Spread at Tropopause
• 6-hourly Geopotential Heights Spread at Tropopause
• 6-hourly Pressure Spread at Tropopause
• 6-hourly U-wind Spread at Tropopause
• 6-hourly V-wind Spread at Tropopause