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Remnants of GRACE (Text)


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Remnants Of Grace Discussion Number  34
NWS National Hurricane Center Miami FL       AL072021
400 PM CDT Sat Aug 21 2021

The mountainous terrain of Mexico has taken its toll on Grace.  
Surface observations and high-resolution visible satellite images 
indicate that the system no longer has a definite surface 
circulation, and Grace has degenerated into a trough to the 
west of Mexico City.  Therefore, this is the last advisory on this 
system.
 
Although the surface center has dissipated, the mid-tropospheric 
remnants of Grace are expected to continue westward, and to emerge 
into the eastern Pacific Ocean by late Sunday.  There is high 
likelihood that this will lead to the formation of a new tropical 
cyclone over that basin by early next week.  For additional 
information on this possibility, see the eastern North Pacific 
Tropical Weather Outlook under AWIPS header MIATWOEP, WMO header 
ABPZ20 KNHC and on the web at hurricanes.gov. 

Key Messages:
 
1. Through tonight, lingering heavy rainfall from the remnants of 
Grace may result in additional areas of flash and urban flooding, 
along with mudslides, over central Mexico.
 
FORECAST POSITIONS AND MAX WINDS
 
INIT  21/2100Z 19.6N 100.1W   20 KT  25 MPH...REMNANTS
 12H  22/0600Z...DISSIPATED
 
$$
Forecaster Pasch
 
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Page last modified: Friday, 31-Dec-2021 12:09:17 UTC