NWS Birmingham, Alabama
Weather Forecast Office
The Alabama gravity wave event of February 22, 1998: A classic mesoscale forecasting challenge
The green line represents peak wind gusts in meters per second. ASOS has three pressure cells and these figures show the mean of the three values as an orange line. An exception to this would be at the Decatur and Evergreen ASOS sites where only two pressure cells were recording. The pressure trace is basically station pressure. The figures show that as the phenomena passed the observing site, the pressure fell rapidly with a corresponding peak in the wind gusts around or shortly after.
Please note that at the time the data was complied, the Birmingham, Anniston, Tuscaloosa ASOS sites were not commissioned ASOS sites.
Click on the link to see the data plot. | |
To see the actual barograph trace and wind chart from the Birmingham, Airport click on one of the following,
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NWS Birmingham, Alabama
465 Weathervane Road
Calera, AL 35040
205-664-3010
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