JetStreamAn Online School for Weather
°F point Dew 126 124 m 122 rea tst 120 /je ov 118 r.g 116 he at 114 >129°F e 112 ° F) .w w 110 w Extremely Hot. w 108 Heat/Sunstroke 106
104 HIGHLY LIKELY with
102 continued exposure.
100 r e 98 h t 96 a 105-129°F Very Hot. e 94 Heat Index ( ° F) W Sunstroke, heat cramps, or heat 92 r 90
o ( Air Temperature exhaustion LIKELY, and heatstroke f 88 l POSSIBLE with prolonged exposure o 86 o h 84 and/or physical activity. c 82 S 80 e Instructions n 78 i 90-104°F Hot. l 76 n 1. Turn the wheel to the current dewpoint Sunstroke, heat cramps, or heat
O (or round up to nearest even value). exhaustion POSSIBLE with prolonged n
A exposure and/or physical activity. - 2. Read the Heat Index value opposite the air temperature. (Note: Air temperature values m
a are displayed every 2°F.)
e
r 80 - 89°F Very Warm.
t
S 3. Remember, heat index values are for shady Fatigue POSSIBLE with prolonged exposure t
e conditions only. Exposure to direct sunshine and/or physical activity. J will add up to an additional 15°F.
Temperature & DEW POINT
N WEATHER-READY NATION at ce ion rvi al Weather Se
There are over 35 lesson plans in the National Weather Service education website
JetStreamJetStream - An Online- An Online School School for Weather, for Weather, a free a resourcefree resource at www.weather.gov/jetstream at www.srh.noaa.gov. .
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56 52 54 HEAT HEAT OR EXHAUSTION STROKE
Faint or dizzy Throbbing headache
Excessive sweating No sweating
g r Body temperature o . Cool, pale, w y w d above 103°F w a clammy skin e . w
R Red, hot, dry skin e
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c Rapid, weak pulse
Rapid, strongpulse h
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Muscle cramps May loose consciousness
What to do What to do Get to a cooler, air conditioned place CALL 9-1-1 Drink water if fully Take immediate action to conscious cool the person until help arrives Take a cool shower or
use cold
compression
WEATHER-READY NATION