Clarifications
Heat Wave
Extreme Heat by Chris Yarzab. Used via CC BY 2.0, via Flickr.
A heat wave is a period of abnormally and uncomfortably hot and unusually humid weather, typically lasting two or more days with temperatures above the historical averages for a given area.
Pine Forest in Weymouth Woods, by bobistraveling, CC BY 2.0, via Wikimedia Commons.
credit for photo of forest
MLGW electric substation Person Ave Memphis TN 01 by Thomas R Machnitzki. Used via Attribution 3.0 Unported, via Wikimedia