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Current forecast soundings

Air Resource Lab


Unstable Temperature (red line) decreases dry adiabatically
through deep layer from surface to 800 mb (~6.5K').

Moisture:  Dry except @ 800 mb
where T - Td = ~3°C.

With increasing height, little change in wind...
...direction ==> thermals organize in streets.
...speed ==> light turbulence.

Surface wind < 10 ==> good towing conditions

Forecast:  Scattered cumulus @ 6500'

[ Sounding Image ~22K ]







Stable

Temperature increases with height,
sfc to 850 mb (~5K').

Moisture:  Saturated from sfc to 700 mb (~10K')
where T - Td = ~0°C.

Upward vertical motion induced by warm air advection
from low level, veering wind profile.
NE@11 ==> SE @ 22 ==> S @ 31 ==> SW @ 38

Upward vertical motion induced by vertical speed shear.
NE @ 11==> SW 38 ==>SW 78 ==> W @ 108

Forecast:  low ceilings, fog , and rain.

[ Sounding Image ~ 21K ]