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Current Flag Condition 

Heat Stress Season has ended.  Aboard MCIPAC Installations, heat index reading is in effect each year from 1 May through 31 October.  During the off season (1 November - 30 April) all Automated Heat Stress System (AHSS) equipment are removed from active locations for maintenance, calibration and storage by 30 November.  All "Heat Stress Monitors" will be reinstalled by 1 May 2018. 

References are MARADMIN 111/15 and III Marine Expeditionary Force/MCIPAC-Marine Corps Base Butler Order 6200.1

When warm weather is here and the heat index begins to rise, everyone needs to pay attention to the flag conditions here on Okinawa and understand what they mean. 

There are five conditions listed for the heat flag warnings from least to most severe.

It is important to note that some of these flag conditions have extremely narrow 2-3 degree ranges.  That means that temperatures can rise from yellow to black more quickly than the flag station operator's observation interval. It is also essential to always keep in mind that extreme conditions can lead to serious health problems such as dehydration, heat exhaustion, heat stroke and even death.

 

Flag Condition Guidelines

 

Flag Color
WBGT Index*
Intensity of Exercise
NO FLAG
< 80
Extremely intense physical output may precipitate heat injury. Caution should be taken.
GREEN
80 - 84.9

Heavy exercise for un-acclimated personnel should be conducted with caution and under responsible supervision.

YELLOW
85 - 87.9
Strenuous exercise and activity should be curtailed for all personnel with less than 3 weeks training in hot weather.
RED
88 - 89.9
Strenuous exercise curtailed for all personnel with less than 12 weeks training in hot weather
BLACK
90 and Above
Physical training and strenuous exercise suspended for all personnel (excluding operational commitments).

* Note 1: Add 10°F to the WBGT index for MOPP gear performing Easy Work and add 20°F to the WBGT index for Moderate and Hard Work.  
* Note 2: Add 10°F to the WBGT index PPE, or body armor is worn. Minimize restrictive clothing/equipment and wear light colored clothing if possible.


If you need the Flag Condition or have a Flag Condition concern for your respective area, please contact the below camp offices as appropriate:  

 

Camp Schwab Camp Services:
625-2215
  

Camp Hansen Camp Services:
623-4649

Camp Courtney Camp Services:
622-9596

Camp Foster Camp Services:
645-7317

Camp Kinser Camp Services:
637-1886

MCAS Futenma Weather:
636-3177