BIRDSEYE VIEW POSTS

Since 2012 on the now retired Weather Underground blogs, I have been posting annotated "birdseye view" charts of the Atlantic basin, with a detailed explanation and forecasting that references the chart. From there you may know me as "NCHurricane2009." While I now do these "birdseye view" posts here, I will continue to do comments at Yale Climate Connections via Disqus where the former Weather Underground community has moved to. Feel free to reply to me there, at my Disqus feed at this link, or via e-mail at IOHurricanes@outlook.com 

 
 
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  • NCHurricane2009

MY 2021 ATLANTIC HURRICANE SEASON BIRDSEYE VIEW POST #86A (Special Update)

*******Note that forecasts and outlooks in this post are NOT the official forecast from the National Hurricane Center (NHC). They are my own detailed views on the Atlantic tropics based on current observations and latest computer model runs. As such do not make decisions based on my posts...consult news media...watches and warnings from your local weather office...and any evacuation orders issued by local governments to make the most informed and best decisions. Visit the NHC website hurricanes.gov (hurricanes dot gov) for the latest watches/warnings and official forecasts on active tropical cyclones.**********


...SATURDAY AUGUST 21 2021 9:54 AM EDT...

Left: Satellite image of Hurricane Grace at landfall in east-central Mexico at 0440Z (landfall intensity in the eye estimated at 125 mph max sustained winds with 962 mb central surface pressure)…right image of weakening Hurricane Grace well inland over Mexico at 1310Z:


Grace spreading heavy rains and gusty winds further inland in Mexico more than previously anticipated due to the strength the hurricane acquired prior to landfall overnight. Based on the latest Satellite imagery and NHC 7 AM CDT advisory… Grace is centered at the Tlaxcala/Puebla border as a weakening category 1 hurricane.


Wind damage has likely occurred across northern Veracruz… northern Puebla… and Tlaxcala. Expect gusty winds with damage potential to spread into Hidalgo… Mexico province… and the Federal District. Gusty winds may spread as far west as eastern Michoacan… southern Guanajuato… and southern Queretaro.


Heavy rains with flash flooding potential are possible across Tlaxcala… Puebla… Morelos… Hidalgo… Mexico province… the Federal District… Michoacan… Guerrero… Jalisco… Guanajuato… Queretaro… Aguascalientes… southern Durango… southern Zacatecas… San Luis Potosi… southern Tamaulipas… and northern Veracruz.


For more info on Grace… Henri… and the rest of the Atlantic tropics… refer to post #86 available on the home page of this site.

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