WIND DIRECTION: |
BAROMETER (AIR PRESSURE) AT SEA LEVEL: |
EXPECTED WEATHER: |
SW To NW |
30.10 to 30.20, steady |
Fair with little temp. change for 2 days |
SW To NW |
30.10 to 30.20, rising fast |
Fair followed by precipitation in 2 days |
SW To NW |
30.20 or above, steady |
Continued fair with little temp. change |
SW To NW |
30.20 or above, falling slowly |
Slowly rising temp; fair for 2 days |
S To SE |
30.10 to 30.20, falling slowly |
Precipitation within 24 hours |
S To SE |
30.10 to 30.20, falling fast |
Increasing wind; precipitation in 12 - 24 hours |
SE To NE |
30.10 to 30.20, falling slowly |
Precipitation in 12 - 18 hours |
SE To NE |
30.10 to 30.20, falling fast |
Wind rising; precipitation within 12 hours |
E To NE |
30.10 or above, falling slowly |
Rain (snow) within 24 hours in winter |
E To NE |
30.10 or below, falling fast |
Precipitation, wind |
SE To NE |
30.00 or below, falling slowly |
Steady rain for 1 - 2 days |
SE To NE |
30.00 or below, falling fast |
Rain and high wind clearing in 36 hours |
S to SW |
30.00 or below, rising slowly |
Clearing within a few hours then fair |
S to E |
29.80 or below, falling fast |
Severe storm imminent, clearing in 24 hrs |
E to N |
29.80 or below, falling fast |
Severe northeast gale, precipitation |
Going to W |
29.80 or below, rising fast |
Clearing and colder |