Heat Stress Safety

WBGT READING:

Date	Time	Location	DB	WB	GT	RH	WBGT	Flag	Flag Color
09/11/2024	0900	Bahrain	98.6 °F	78.6 °F	122.8 °F	39%	89.5 °F		Red

DB - Dry Bulb | WB - Wet Bulb | GT - Globe Temperature | RH - Relative Humidity | WBGT - Wet Bulb Globe Temperature

Regulating Physical Exertion in Hot Weather by Wet-Bulb Globe Temperature (WBGT) Index

WBGT Index	Activity Levels Hazards and Limitations	Flag
Less than 80 °F	Extremely intense physical exertion may precipitate heat exhaustion or heat stroke.	White
80 °F - 84.9 °F	Discretion is required in planning heavy exercise for unacclimatized personnel.
85 °F - 87.9 °F	Curtail strenuous exercise and activity for unacclimatized personnel during the first 3 weeks of heat exposure. Avoid classes in the sun.
88 °F - 89.9 °F	Strenuous exercise must be curtailed for all personnel with less than 12 weeks training in hot weather.
90 °F or above	Physical training and strenuous exercise must be suspended for all personnel (excludes operational commitment not for training purposes).

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