Vietnam War: Forest Fire as a Military Weapon - Paperless Archives

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CLIMATE FF-NHLB
FROSTFREE WINTER; NON-HUMID, LONG BURN SEASON
All equatorial and frostfree tropical climates having low to moderate (+) values and high (-) values for the year;
usually with at least 5 *B" months. Examples are:
Precipitation No. of Months Yearly Humidity Values
Location Pattern "H" "D"B" +r
Maracaibo. Venez. Monsoon 1 5 10 424 -108
Kingston, Jamaica Monsoon 4 4 6 +74 .-42
Cabinda. Angola Monsoon 4 3 7 +62 -50
Mabote, Mozamb. Monsoon 0 9 II + 7 -82
Temperature: Not limiting.
Precipitation: Restrictive most of year.
Major vejrtation tyles: Tropical thorny woodland and open deciduous forest.
Ground-story ve•etation: Grasses and low shrubs.
Amount: Usually low in dry weight.
Moisture content: Drops during the long dry season. Woody plnts retain 80-100 percent of dry weight.
Litter Iayer: Thin; no accumulation of old material.
Total available fuel weight on a good burning day: 0.10 pounds per square foot.
SB'irn days: Long dependable burning season.
Desiccation needs: Grasses burn readily during dry season. Removal of woody vegetation requires de:ccation
treatment. Apply a foliar spray of 3 lbs., a.e., of 1: 1 mix of 2,4-D and 2.4,5-T in diesel oil to make a total mixture
of 5 gallons per acre.
Dates for example location (Kingston, Jamaica, Fig. B4):
1. Spray in late September or early October.
2. Burn in May.
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