Foxfires wrote:aspen wrote:CrabKingMike wrote:Yeah, I reviewed Haiyan's data a few months ago, seems to suggest no lower than ~900mb. et al. Shimada 2016 also arrived at a 906mb central pressure:
https://twitter.com/MichaelIgbino10/status/1460015504396066818
How much time was there between Haiyan’s peak and its 906-908mb landfall? If it wasn’t long and its filling rate was low (<3-5 mbar/hr), then it would suggest Haiyan did not exceed Tip’s lowest pressure; I remember seeing an analysis extrapolating an 858mb peak pressure before landfall. Haiyan instead could’ve peaked in the high 880s or low 890s like Hagibis (892mb per the JTWC), Halong, and Surigae (both 888mb).
Should be roughly 3-9 hours. Peaked at 12Z but JTWC states it held it's peak for 6h. Whether or not it actually did is up to debate. I haven't really looked through IR/microwave imagery so maybe it did or maybe it didn't.
About the ~900mb thing for landfall, I've read somewhere that 892mb was recorded in the eye? As far as I'm aware this was not verified. I'm not sure if it was denied or just ignored/forgotten.
The lowest quality-checked and verified pressure was 916.8mb. I don't recall hearing about an 892mb observation. Also Haiyan most likely began peaking ~16-17z when its eye was warmest, and radial cloud top distribution was most symmetric:
I also made a gif of Haiyan a bit back, maybe this could provide a visual:
https://twitter.com/MichaelIgbino10/status/1492022123715567642
