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CATEGORY HEAT STRESS SEVERE WEATHER
(Thunderstorms, Hurricane, High Winds, Excessive Rainfall, Tornadoes)
EXTREME COLD/WINTER WEATHER
NONE Heat Stress
Category 0-1
No severe weather expected --
SLIGHT Heat Stress
Category 2-3
Conditions may approach severe but damaging effects unlikely. Temperatures at or below 32° for less than 12 hours
MODERATE Heat Stress
Category 4
Widely scattered severe weather conditions expected and potential for damaging conditions. Temperatures below 32°F for more than 12 hours. Chance of snow, sleet or freezing rain, with possible accumulation.
HIGH Heat Stress
Category 5
Widespread severe weather conditions expected and damaging conditions likely. Temperatures at or below 20° for 6 hours or more. Accumulating snow, sleet, or freezing rain likely.