The building maintenance scheduled for Friday February 27th at 5:00pm MST has been postponed until 5:00pm March 6th. PSD's website will be down during the maintenance.
We have transitioned the data files from netCDF3 to netCDF4-classic format (transition date: Aug 14th).
20th Century Reanalysis V2
This plot shows a profile of temperature on May 18 1925 near 37.7N, 270.77E (Tri-State tornado).
Options to produce plot are using the Vertical Profile Page
- Select: variable: air temperature and dewpoint
- Select: top level: 100mb
- Select: date: 1925 May 18 18Z
- Select: dataset: 20CR
- Select: latitude: 37.7 (near Jackson Illinois)
- Select: longitude: 270.77 (near Jackson Illinois)