NOTE: For slower Internet connections and browsers, it is recommended
to turn off the display of the interactive map. You can do this through the
settings page under the "USER" menu.
The "Forecast Performance" image allows the user to
review the accuracy of the previous hour's forecast. The dark bown
shapes are the 0350 GMT 1 hour forecast. These polygons are overlaid
on the hazard field generated at 0450 GMT. A perfect forecast would
have the polygons filled with level 3 or higher and only level 1
& level 2 outside the polygons. Click image to toggle to the
0350 hazard field and forecast shapes.
forecast shape" to return to forecast to this