Weather

Destructive Weather: 

Destructive Weather Operations ASO 3140.1C


Thunderstorm watches and Warnings:

Thunderstorm Watch (T2): Destructive winds with Thunderstorms within 25 miles

Thunderstorm Watch (T1): Destructive winds with Thunderstorms within 10 miles

Lightning Warning (L10): Lightning with Thunderstorms within 10 miles: All Ordnance operations shall terminate when lightning is within 10 miles on MCAS Cherry Point.

Lightning Warning (L5): Lightning with Thunderstorms within 5 miles: All outdoor airfield operations shall terminate when lightning is within 5 miles on MCAS Cherry Point


Flag Conditions:

Wearing body armor or NBC protective uniforms adds approximately 10 points to the measured WBGT. Limits of exposure should be adjusted accordingly.

White (No) Flag Condition. The WBGT index is < = 79.9°F. Continue to stay hydrated and be alert for changing weather conditions.

Green Flag Condition. The WBGT index is 80-84.9°F. Unrestricted physical activity may be carried out. Take at least 15 minutes of breaks each hour if working or exercising in direct sunlight. This is a guideline- please consult your SOP for your unit.

Yellow Flag Condition. The WBGT index is 85-87.9°F. Physical activity should be limited to those people who have been exercising in similar heat for a minimum of 10 days or more. Take at least 30 minutes of breaks each hour if working or exercising in direct sunlight .

Red Flag Condition. The WBGT index is 88-89.9°F. Physical activity should be limited to those people who have been exercising in similar heat for a minimum of 10 days or more. Take at least 30 minutes of breaks each hour if working or exercising in direct sunlight .

Black Flag Condition. The WBGT index is 90°F or higher. Vigorous outdoor exercise, regardless of conditioning or heat acclimatization, is not advisable. Take at least 45 minutes of breaks each hour if working or exercising in direct sunlight.


Heat Casualty Prevention:

Heat Casualty Prevention: ASO 6200.2A

OSHA Heat Stress link