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Started By
Message
re: Storm Update:- Ida Moves Away - The Cleanup Begins...
Posted on 8/29/21 at 8:30 am to NYNolaguy1
Posted on 8/29/21 at 8:30 am to NYNolaguy1
Clear something up for me. Are the winds they talk about suface winds or flight level winds?
7
Posted on 8/29/21 at 8:31 am to Jim Rockford
AP is reporting maximum sustained winds have increased to 155 MPH. This thing will be a category five on landfall.
Posted on 8/29/21 at 8:31 am to Jim Rockford
Pretty sure the bouys that are reporting wind speeds are near the surface.
Posted on 8/29/21 at 8:32 am to Jim Rockford
Buoys are surface level. That post is about 750ft in the air, so not surface but not flight level.
Posted on 8/29/21 at 8:32 am to Jim Rockford
quote:
Clear something up for me. Are the winds they talk about suface winds or flight level winds?
It is usually stated if they are surface winds. They also have ways of extrapolating surface winds from the flight level wind readings.
Posted on 8/29/21 at 8:33 am to Jim Rockford
quote:
Clear something up for me. Are the winds they talk about suface winds or flight level winds?
Surface winds are measured 10m off the ground.
Posted on 8/29/21 at 8:33 am to Jim Rockford
quote:
Clear something up for me. Are the winds they talk about suface winds or flight level winds?
The graph at the top right measures winds in knots at different elevations, so at 262 meters it is 144 knots, and at 0 meters (surface) it's 118 knots or 135 mph. Typically the higher winds are at higher elevations but can mix down if the storm strengthens/is strengthening.
Eta: as mentioned above surface winds are not exactly at 0 meters elevation
This post was edited on 8/29/21 at 8:34 am
Posted on 8/29/21 at 8:33 am to Jim Rockford
quote:
Clear something up for me. Are the winds they talk about suface winds or flight level winds?
They talk about both, but surface winds are what the NHC provides on updates..
Link: NHC 8:00 am update
It appears that Recon has found stronger winds, but the NHC hasn’t reported those yet.
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