National Weather Service United States Department of Commerce

 

WFO BIS SA Display-Short Term Winter Diagnostics
Navigation Menu
Climate

Weather

Hydro

DSS

 

SPC Mesoanalysis
925mb T
850mb T
SFC Tw
925-850mb Fn
850-700mb Fn
Mid Level L.R
Diff. Vort Advection
Jet Circulation
800-750bmb EPVg
650-500mb EPVg
Snow Squall Parameter
Dendritic Growth Zone Depth
Dendritic RH and Omega
Dendritic OPRH
MaxTw Lowest 400mb
P-Type

Dendritic Layer (Omega * PW * RH) OPRH

The product of vertical motion, precipitable water, and relative humidity in the dendritic growth layer. Values will be most negative (favorable for snow growth) where strong ascent coincides with saturation in the dendritic growth layer.