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Central Pacific (140W to 180)  | ||
1000 AM HST FRI JUL 3 2009 No tropical cyclones are expected through Sunday morning. | ||
| Graphical Tropical Weather Outlook (click for larger image)  Go to Eastern Pacific Outlook This is an experimental product (Product Description Document). Comments about this new graphic? Please send us an email or complete a short survey. | ||
| Satellite Interpretation Message Area Forecast Discussion | ||
| Western Pacific (West of 180) | ||
| Monitored by the: Joint Typhoon Warning Center Japan Meteorological Agency | ||
| Eastern Pacific (East of 140W) | ||
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500 PM PDT FRI JUL 3 2009 FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE.. SHOWER AND THUNDERSTORM ACTIVITY ASSOCIATED WITH A TROUGH OF LOW PRESSURE LOCATED SEVERAL HUNDRED MILES SOUTH-SOUTHWEST OF ACAPULCO MEXICO HAS INCREASED OVER THE PAST SEVERAL HOURS. UPPER-LEVEL WINDS ARE EXPECTED TO BECOME MORE CONDUCIVE FOR SLOW DEVELOPMENT OF THIS SYSTEM OVER THE NEXT COUPLE OF DAYS AS IT MOVES WEST- NORTHWESTWARD AT 5 TO 10 MPH. THERE IS A LOW CHANCE...LESS THAN 30 PERCENT...OF THIS SYSTEM BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS.
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| Monitored by the NHC | ||
| Atlantic | ||
| Atlantic Graphical Tropical Weather Outlook | ||
| Monitored by the NHC | ||
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Saffir-Simpson Scale
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| The Central Pacific Hurricane Center (CPHC) issues tropical cyclone warnings, watches, advisories, discussions, and statements for all tropical cyclones in the Central Pacific from 140 Degrees West Longitude to the International Dateline. The season officially begins on June 1 and ends on November 30. However, tropical cyclones can occur at any time. The National Weather Service Forecast Office in Honolulu activates the CPHC when: (1) a tropical cyclone moves into the Central Pacific from the Eastern Pacific, (2) a tropical cyclone forms in the Central Pacific, or (3) a tropical cyclone moves into the Central Pacific from the West. | ||
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