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This page was last loaded at 10:50 am HST Jul 21, 2017 (2050 GMT Jul 21, 2017)

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Eastern Pacific Graphical Tropical Weather Outlook
See the National Hurricane Center website for more details


000
ABPZ20 KNHC 211729
TWOEP 

Tropical Weather Outlook
NWS National Hurricane Center Miami FL
1100 AM PDT Fri Jul 21 2017

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

The National Hurricane Center is issuing advisories on Tropical
Storm Greg, located several hundred miles southwest of the southern
tip of the Baja California peninsula, and on Tropical Depression
Nine-E, located several hundred miles south of eastern Mexico.

A broad area of low pressure centered several hundred miles south
of the southern tip of the Baja California peninsula is producing
disorganized showers and thunderstorms.  Environmental conditions
are forecast to be conducive for the formation of a tropical
depression during the next couple of days before upper-level winds
become unfavorable for development. This system is forecast to move
westward to west-northwestward at around 10 mph through early next
week.
* Formation chance through 48 hours...high...70 percent.
* Formation chance through 5 days...high...80 percent.

&&

Public Advisories on Tropical Depression Nine-E are issued under WMO
header WTPZ34 KNHC and under AWIPS header MIATCPEP4.
Forecast/Advisories on Nine-E are issued under WMO header
WTPZ24 KNHC and under AWIPS header MIATCMEP4.

$$
Forecaster Blake
Eastern Pacific Graphical Tropical Weather Outlook
Hurricane Preparedness

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Saffir-Simpson Scale

Tropical Storm - winds 39-73 mph (34-63 kt)
Category 1 - winds 74-95 mph (64-82 kt)
Category 2 - winds 96-110 mph (83-95 kt)
Category 3 - winds 111-130 mph (96-113 kt)
Category 4 - winds 131-155 mph (114-135 kt)
Category 5 - winds 156 mph and up (135+ kt)

Western Pacific (West of 180)

Monitored by the:
Joint Typhoon Warning Center
Japan Meteorological Agency

Central Pacific (140W to 180)

Monitored by the:
Central Pacific Hurricane Center, Honolulu HI

Eastern Pacific (East of 140W)

Monitored by the:
National Hurricane Center, Miami FL

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