Tuesday, March 17, 2015

2015 03 17 1800Z Radiosonde Launch Report

Radiosonde was launched at 1836 UTC (1236 MDT local) due to visitation from middle school students from Watershed School in Boulder. Many thanks to Bill Brown of NCAR for leading the discussion and engaging with the students. In any case, the skew-T ln-p diagram is here:



As always, wind speed/wind direction vs. height also:


Remarks are as follows: Surface temperatures were warming up to the time of the launch as increase sunshine eroded low level stratus clouds. Sky was broken with stratus and having high level cirrus at time of launch. Light breezy winds at the surface. Highly variable wind speed and direction in boundary layer. Balloon ascended toward south, but turned toward north in southerly flow above the boundary layer. Daytime lapse rate and modest lapse rate above, evidence of layer ascent from earlier in day. High Relative Humidity near Boundary Layer top indicative of thin cloud intercept. (Quelet)



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