NOAA/National Centers for Environmental Information


Markers allow you to create a annotated markers on the viewer map. Markers are automatically saved and will persist throughout closing and re-opening the Toolkit. Adding markers is very easy using the marker tool Marker located in the Map Controls toolbar. For more information on Map Controls, visit the Map Controls Tutorial.

Once you have selected the Marker Tool, you can add a marker by clicking on the area of interest on the viewer. Once you have clicked and created a marker the Marker Editor will pop up.

Marker Editor

The Marker Editor controls what labels are displayed and the addition and deletion of markers. You can also bring up the Marker Editor at any time by clicking View in the viewer menu bar, then clicking Marker Editor

In the top third of the Marker Editor is the DMS/Deci button which switches the coordinates of the marker between Degrees, Minutes, Seconds and Decimal Degrees. Beside the coordinates of the marker are the Datum options, which changes the geographic coordinate system used for the marker. By default, WGS84 is used. NAD27 and NAD83 are also available. For more information on Geographic Coordinates and Datums, please refer to: NOAA's National Geodetic Survey

Labels are filled with the following information by default (listed below), but can be edited. Unchecking the 'Auto-Fill' checkbox will disable this functionality.

NEXRAD (Weather Radar Data): All other data types (Gridded and GOES Satellite Data):

A list of current markers is below these controls. Multiple markers can be selected by holding down Control or Shift on the keyboard then clicking the markers in the list.

Marker Lists

The following options are available:

Below is an example of a marker being used to pinpoint a 65 dBz location within a hook echo of a tornado.

Tornado Marker Example