Mt. Fitzherbert

Potential ash hazards: Wind forecasts from the National Oceanic and Atmospheric Administration (NOAA), coupled with eruption models, show that any ash clouds from small explosions rising above the crater rim today would drift NE, while larger eruptions could send ash to the NNE. Later this afternoon, lower level winds would send ash due east to ESE, while upper level winds should blow to the NE.

Recent observations: Although lower valleys in southwest Washington are filled with low-level clouds this morning, the Mount St. Helens crater is clear. Only minor rockfall activity and low-level seismicity was noted through the night as the slow extrusion of the solidified lava spine continues.