SYNOP Precipitation Display (access from NOAA)

• Click 'Select Data' if you wish to load a time period other than the most recent two hours.
• Move the mouse over a station to see its data values.
• Zoom by clicking and dragging the mouse across the region of interest.
• Click on a station to see a (textual for now) 12-h time series.
• Use the 'World' button to see stations beyond the Contiguous U.S.
• To show only some networks, use the 'Show/Hide Data' window. Select or deselect the network(s) you desire and click "Redisplay".
• (The minimum data spacing is preset to 0 pixels. If too many stations are showing, you can either zoom in or adjust the station spacing (with the slider bar to the lower right of the map).)

• select a time range
• select the number of hours to check. (The most recent report in the time range checked will be displayed.)
• the data will be loaded and displayed when you clickLoad/Replace Data.

Drag (move the mouse while holding down button 1) to choose an area in which to zoom. (The zoom will occur as soon as the mouse button is released.) Undo zooming by clicking the un-zoom or reset map button.

Click on a station to display a 12-hour time series for that station in a separate window. (Close the window in the normal way when you are done, or use the Close Histories button to close all time history windows.

Choose to display counties, highways, rivers, and/or airports by clicking the Overlays button. (Image rendering is faster when fewer lines are displayed, so you may wish to only display these after you have zoomed in.)

Drag the balls on the Temperature or Wind Speed bars to hide all data except those in the range(s) you have selected. Click on a bar to reset the range to its original value.

Drag the ball on the 'Spacing' bar to change the minimum distance between stations shown, in pixels.

Use the Show Special button to show values or to display only those SYNOPs that are reporting non-zero 6h precip.