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NOTE:
• The accuracy of a general pressure-based forecast is about 70% - 75%. Forecasts are not
guaranteed.
• The forecast section reects a general prediction for the next roughly 12 ~ 24 hours. It may not
necessarily reect the current situation.
• The SNOWY weather forecast is not based on the atmospheric pressure, but based on the current
temperature reading from that wireless sensor. When the outdoor temperature is below ~ 26°F
(-3°C), the SNOWY weather indicator will be shown on the LCD display.
The built-in barometer can notice atmospheric pressure changes, and based on the data collected,
can predict the weather conditions in the forthcoming 12-24 hours within a 19 ~ 31 mile (30 ~ 50
km) radius.
WEATHER FORECAST
flags extended.
Eort needed to walk
Some branches break o trees,
Trees are broken o or
Umbrella use becomes dicult.
≥ 118 km/h
≥ 74 mph
≥ 64 knot
≥ 32.7m/s
≥ 130°F (≥ 55°C)
Sunny Partly cloudy Cloudy Rainy Rainy / Stormy Snowy
In normal mode, press BARO UNIT button on the back side to change the barometer unit in this
sequence: hPa > inHg > mmHg.
In normal mode, press BARO button to switch between ABSOLUTE / RELATIVE barometric reading.
BAROMETRIC PRESSURE
TO SET THE BAROMETER UNIT
TO VIEW THE ABSOLUTE / RELATIVE BAROMETRIC READING
The atmospheric pressure is the pressure at any location on Earth caused by the weight of the
column of air directly above that location. The average pressure gradually decreases as the altitude
increases. Meteorologists use barometers to measure atmospheric pressure. Since variation in
atmospheric pressure can be greatly aected by the weather, it is possible to forecast the weather
by measuring these changes in pressure.
flags extended.
Eort needed to walk
Some branches break o trees,
Trees are broken o or
Umbrella use becomes dicult.
≥ 118 km/h
≥ 74 mph
≥ 64 knot
≥ 32.7m/s
≥ 130°F (≥ 55°C)
Absolute The absolute atmospheric pressure of your location
Relative The relative atmospheric pressure based on the sea level
The heat index, which is determined by the wireless 5-IN-1 sensor's temperature & humidity
data, when the temperature is between 27°C (80°F) and 50°C (120°F).
27°C to 32°C (80°F to 90°F) Possibility of heat exhaustion
33°C to 40°C (91°F to 105°F) Extreme Caution Possibility of heat dehydration
41°C to 54°C (106°F to 129°F) Heat exhaustion likely
≥55°C (≥130°F) Extreme Danger Strong risk of dehydration / sun stroke
A combination of the wireless 5-IN-1 sensor's temperature and wind speed data determines the
current wind chill factor.
The dew point is the temperature below which the water vapor in air at constant barometric
pressure condenses into liquid water at the same rate at which it evaporates. The condensed
water is called when it forms on a solid surface.
The dew point temperature is determined by the temperature & humidity data from wireless
The built-in barometer can notice atmosphere pressure changes. Based on the data collected,
it can predict the weather conditions in the forthcoming 12~24 hours within a 30~50km (19~31
miles) radius.
Partly cloudy Cloudy Rainy / Stormy Snowy
The accuracy of a general pressure-based weather forecast is about 70% to 75%.
The weather forecast is reecting the weather situation for next 12~24 hours, it may not
necessarily reect the current situation.
weather forecast is not based on the atmospheric pressure, but based on the
temperature of outdoor. When the temperature is below -3°C (26°F), the weather
icon will be displayed on the LCD.
The atmospheric pressure is the pressure at any location of
the earth caused by the weight of the column of air above it.
One atmospheric pressure refers to the average pressure and
gradually decreases as altitude increases. Meteorologists use
barometers to measure atmospheric pressure. Since variation in
atmospheric pressure greatly affected by weather, it is possible to
forecast the weather by measuring the changes in pressure.
In normal mode, press key to change the barometer unit in this sequence: hPa
→ → mmHg
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