National Weather Service United States Department of Commerce

Powerful Winter Storm Impacting Alaska; Excessive Rain in Guam

In Alaska, a large, strong fall storm will bring coastal flooding, strong winds and heavy snow to a large a portion of the northern and western coast and Interior of the state. Monsoonal moisture and a low pressure area (Invest 97W) will produce excessive rain that may lead to flash, urban, small stream, and river flooding across Guam and the Northern Mariana Islands. Read More >

Station     PAFC     Elevation  144 FT
Mon Oct 21 13:20:02 UTC 2024

Morning Vent Factor:

Temperature           37 Deg F
Mixing Depth MSL      29.7 m
Mixing Depth AGL      0 m
Transport Wind        1.54 m/s
Vent Factor           0

Forecast for Afternoon Vent Factor:

Temperature           45 Deg F
Mixing Depth MSL      877.5 m
Mixing Depth AGL      834.3 m
Transport Wind        5.66 m/s
Vent Factor           4719

 Vent Factor is considered a measure of the volume rate of horizontal transport of air within the mixing layer, per unit distance, normal to the wind. Units are measured in square meters per second or knot-feet.