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| INDEX DATABASES Wx TEXT RADAR Wx MAPS SATELLITE NEWS REFERENCE AIRLINES HOTELS CAR RENTAL | Last Update January 24, 2008 |
| UPPER AIR REFERENCE CHART |
|
PRESSURE
|
APPROX.HEIGHT
|
APPROX. TEMP.
|
|
Sea level
|
0 m or 0 ft
|
15C or 59F
|
|
1000 mb
|
100 m or 300 ft
|
15C or 59F
|
|
850 mb
|
1500 m or 5000 ft
|
5C or 41F
|
|
700 mb
|
3000 m or 10000 ft
|
-5C or 23F
|
|
500 mb
|
5000 m or 18000 ft
|
-20C or -4F
|
|
300 mb
|
9000 m or 30000 ft
|
-45C or -49F
|
|
200 mb
|
12000 m or 40000 ft
|
-55C or -67F
|
|
100 mb
|
16000 m or 53000 ft
|
-56C or -69F
|
