Making Your Own Forecast
Barometer reduced to sea level wind direction Character of weather indicated
30.10-30.20 and steady SW TO NW Fair with slight temperature
change for 1 or 2 days.
30.10-30.20 and rising rapidly SW TO NW Fair followed within 2 days by
wamer and rain
30.10-30.20 and falling slowly SW TO NW warmer with rain in 24 to 36h
30.10-30.20 and falling rapidly SW TO NW warmer withrain in18 to 24h
30.20 and above and stationary SW TO NW Continued fair with no decided
temperature change
30.20 and above and falling slowly SW TO NW slowly rising temperature and
fair for 2 days
30.10-30.20 and falling slowly S TO SE rain within 24 hours
30.10-30.20 and falling rapidly S TO SE wind increasing in force with
rain 12 to 24 hours
30.10-30.20 and falling slowly SE TO NE rain 12 to 18 hours
30.10-30.20 and falling rapidly SE TO NE increasing wind with rain within
12 hours
30.10 and above falling slowly E TO NE In summer with light winds, rain
may not fall for several days
winter rain within 24 hours
30.10 and above and falling rapidly E TO NE In summer rain probable within
12 to 24 hours. In winter rain or
snow, with increasing winds,
will often set in, when the
barometer begins yo fall and the
wind sets in from NE
30 or below and falling slowly SE TO NE rain will continue 1-2 days
30 or below and falling rapidly SE TO NE rain with high wind, followed
within 24 hours by clearing and
cooler.
30 or below and rising slowly S TO SW clearing within a few hours, and
continued fair for several days
29.80 or below and falling rapidly S TO E severe storm of wind and rain
or snow imminent, followed
within 24 hours by clearing
and colder.
29.80 or below and falling rapidly E TO N severe northeast gales and
heavy rain or snow, followed
in wither by a cold wave
29.80 or below and rising rapidly GOING TO W clearing and colder
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