An unseasonably strong storm system will bring heavy rain to the Mid-Atlantic and central Appalachians Friday into Saturday. Flash flooding and widespread lowland flooding are possible during this period. Meanwhile, monsoon moisture will continue to produce heavy rain with the possibility of localized flash flooding in the Desert Southwest through the southern/central Rockies and High Plains. Read More >
Station PAFC Elevation 144 FT Fri Jul 28 14:20:02 UTC 2017 Morning Vent Factor: Temperature 59 Deg F Mixing Depth MSL 165.3 m Mixing Depth AGL 122.1 m Transport Wind 3.60 m/s Vent Factor 439 Forecast for Afternoon Vent Factor: Temperature 61 Deg F Mixing Depth MSL 259.2 m Mixing Depth AGL 216 m Transport Wind 3.60 m/s Vent Factor 777 |
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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.
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