WBGT (wet bulb globe thermometer) and the Marines
Submitted by Mark on Wednesday, 5 November 2008No Comment
The US military has been using the WBGT to determine appropriate activity levels in hot weather conditions for decades. The system, which uses different color flags to indicate the conditions, was developed by the Marines in the 1950s. The table below has the breakdown for each flag color.
FLAG COLOR/WBGT Index:
Green/80-84.9
Yellow/85-87.9
Red/88-89.9
Black/>90
Each level has guidelines for water intake and physical activity level for acclimated and un-acclimated individuals.
