Variable

The 2020 fire season in western North American was among the most extreme on record.

The U.S. Forest Service (USFS)-National Aeronautical and Space Administration (NASA) Virtual Pitch Fest, virtually hosted in early June 2020, was a creative collaboration inspired by the need for virtual connection due to COVID-19 travel restrictions.

Hillshades are useful in depicting additional details in terrain and emphasizing variation in topography, which contributes to effective cartographic interpretation.  However, digital hillshade products often exhibit unidirectional oblique illumination without localized variation, which limits the detail and three-dimensional appearance of hillshading and undermines its effectiveness.