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Re: Did Maria Just Tie Wilma record?

Posted by Chris in Tampa on 9/18/2017, 10:38 pm

Recon was spotty on this storm, so I imagine there will be later revision to best track data. Best track data will eventually be the official record. (usually every 6 hours at 0Z, 6Z, 12Z, and 18Z)

They have already adjusted the data.

----------------------

Best track data, subject to revision:

September 16th, 06Z: 30 knot disturbance
September 16th, 12Z: 40 knot tropical storm (first time it was tropical storm) ... Note: This was initially 30 kts, has been updated
September 17th, 12Z: 60 knot tropical storm (last time it was tropical storm) ... Note: This was initially 55 kts, has been updated
September 19th, 00Z: 140 knot category 5 hurricane

From: http://ftp.nhc.noaa.gov/atcf/btk/bal152017.dat

Best track data, subject to revision...

66 hours from disturbance to category 5 hurricane based on best track data.
60 hours from initially a tropical storm to category 5 hurricane based on best track data.
36 hours from last time it was a tropical storm to category 5 hurricane based on best track data.

----------------------

From advisory data:
http://www.nhc.noaa.gov/archive/2017/MARIA.shtml

Advisory data is at non standard times. While advisory data has it at 53 hours, 45 minutes from disturbance to category 5 hurricane, the best track data has already been updated to make it stronger earlier than when the NHC initially upgraded it in advisory data.



200 PM AST Sat Sep 16 2017
...DISTURBANCE BECOMES A TROPICAL DEPRESSION...


500 PM AST Sat Sep 16 2017
...DEPRESSION BECOMES TROPICAL STORM MARIA...
...ADDITIONAL STRENGTHENING IS FORECAST...


200 PM AST Sun Sep 17 2017
...AIR FORCE HURRICANE HUNTER CURRENTLY INVESTIGATING MARIA...
MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H


500 PM AST Sun Sep 17 2017
...MARIA BECOMES A HURRICANE...


745 PM AST Mon Sep 18 2017
...HURRICANE HUNTER AIRCRAFT FIND MARIA AS CATEGORY 5 HURRICANE ON THE SAFFIR-SIMPSON HURRICANE WIND SCALE...

137



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Did Maria Just Tie Wilma record? - Fred, 9/18/2017, 10:09 pm

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