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Tropical Weather Outlook
NWS National Hurricane Center Miami FL
500 AM PDT Wed Oct 18 2023

For the eastern North Pacific...east of 140 degrees west longitude:

Active Systems:
The National Hurricane Center is issuing advisories on Tropical 
Storm Norma, located several hundred miles southwest of Manzanillo, 
Mexico.

1. South of Southern Mexico:
A broad area of low pressure has formed several hundred miles south 
of the Gulf of Tehuantepec but is only producing a few disorganized 
showers and thunderstorms.  Gradual development of this system is 
expected, and a tropical depression is likely to form late this week 
or over the weekend while the system meanders or drifts 
northwestward over the far eastern portion of the basin.
* Formation chance through 48 hours...low...20 percent.
* Formation chance through 7 days...high...70 percent.

Public Advisories on Norma are issued under WMO header WTPZ32 KNHC 
and under AWIPS header MIATCPEP2.  Forecast/Advisories on Norma are 
issued under WMO header WTPZ22 KNHC and under AWIPS header 
MIATCMEP2.

Forecaster Berg