Features; Weather Forecast Icons - La Crosse Technology WT-3131TWC Instruction Manual

FEATURES

1. Weather Forecast
The weather forecasting feature is estimated to be 75% accurate. The weather
forecast is based solely upon the change of air pressure over time. The WT-3131A
averages past air-pressure readings to provide an accurate forecast, creating a
necessity to disregard all weather forecasting for 12-24 hours after the unit has
been set-up, reset, or moved from one altitude to another (i.e. from one floor of a
building to another floor). In areas where the weather is not affected by the
change of air pressure, this feature will be less accurate.
a. Weather Icons
There are 3 possible weather icons that will be displayed in the
FORECAST LCD:
Sunny—indicates that the weather is expected to improve (not that the
weather will be sunny).
Sun with Clouds—indicates that the weather is expected to be fair (not that
the weather will be sunny with clouds).
Clouds with Rain—indicates that the weather is expected to get worse (not
that the weather will be rainy).
The weather icons change when the unit detects a change in air pressure.
The icons change in order, from "sunny" to "partly sunny" to "cloudy" or
the reverse. It will not change from "sunny" directly to "rainy", although it
is possible for the change to occur quickly. If the symbols do not change
then the weather has not changed, or the change has been slow and
gradual.
a. Weather Tendency Arrows
1. Other possible displays in the FORECAST LCD are 2 weather
2. An arrow pointing up indicates that the air pressure is increasing
3. An arrow pointing down indicates that the air pressure is
4. No arrow means the pressure is stable.
tendency arrows, one that points up (on the left side of the LCD)
and one that points down (on the right side of the LCD). These
arrows reflect current changes in the air pressure.
and the weather is expected to improve or remain good.
decreasing and the weather is expected to become worse or
remain poor.
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