The wind is an essential climate variable and a key environmental factor affecting many geophysical processes. Researchers from multiple disciplines are faced with the need to determine the speed and direction of the surface wind for a particular location of interest. Regardless of the specifics of each particular task, in most cases, no data from direct measurements are available. For Bulgaria, an additional difficulty is the nature of traditional measurements in synoptic and climate stations with a Wild set. These circumstances require the application of alternative methods, in particular utilization of other sources of primary data. Methodologically, the most correct approach is the simulation of the 3-D structure of the airflow in the area of interest and its variation depending on the mechanical impact of the terrain and the influence of the temperature stratification of the atmospheric layer with a numerical aerodynamic model. This model should be based on the fundamental conservation laws and should be tailored to operate on the sub-kilometer spatial scale. The study presents some preliminary results from the exploration of the wind model WindNinja on the local scale over Bulgaria. The comparison of the output from the performed long-term model simulations with reference data demonstrates some degree of similarity revealing at the same time non-negligible differences.