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Overall Green alert Tropical Cyclone for GREG-17
from 17 Jul 2017 15:00 UTC to 26 Jul 2017 18:00 UTC

GTS


GTS (Global Telecommunication Service) is the official Warning and Alerting channel by the World Meteorological Organization (WMO) adopted by several Warning Organizations. As soon as a new GTS message regarding Tropical Cyclones (WT) or Tsunami (WE) the messages are processed and possibly assigned to the specific event. When a new GTS message is present an new tab in the specific event report page is present. The presence of a GTS message is also shown in the home page with a dedicated icon.
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WTPA42 PHFO 262041
TCDCP2

POST-TROPICAL CYCLONE GREG DISCUSSION NUMBER 38
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI EP072017
1100 AM HST WED JUL 26 2017

INTERMITTENT DEEP CONVECTION IS SPUTTERING OVER WHAT REMAINS OF A
MESSY LOW LEVEL CENTER, AND GREG IS BEING DECLARED A REMNANT LOW IN
THIS ADVISORY. SCATTEROMETER DATA LAST EVENING AND THE LATEST
SUBJECTIVE INTENSITY ESTIMATE FROM PHFO SUGGEST THERE IS PROBABLY
STILL A SMALL AREA OF 25 KT WINDS ON THE NORTH SIDE OF THE
CIRCULATION, SO THAT IS BEING USED FOR THE ADVISORY INTENSITY. THE
SYSTEM IS UNDER STRONG SOUTHWESTERLY SHEAR THAT IS FORECAST TO
INCREASE OVER THE NEXT 36 HOURS, AND RELATIVELY COOL SEA SURFACE
TEMPERATURES OF 25C. THUS, THE REMNANT LOW IS EXPECTED TO OPEN UP TO
A TROUGH IN THE NEXT DAY OR SO. IN THE MEANTIME, THE INCREASINGLY
SHALLOW REMNANT OF GREG SHOULD CONTINUE TO TRACK ON A GENERAL
WESTWARD HEADING, BEING STEERED BY THE LOW LEVEL TRADE WIND FLOW.


FORECAST POSITIONS AND MAX WINDS

INIT 26/2100Z 18.4N 142.0W 25 KT 30 MPH...POST-TROPICAL
12H 27/0600Z 18.5N 143.4W 25 KT 30 MPH...POST-TROP/REMNT LOW
24H 27/1800Z 18.3N 145.2W 20 KT 25 MPH...POST-TROP/REMNT LOW
36H 28/0600Z 18.1N 146.9W 20 KT 25 MPH...POST-TROP/REMNT LOW
48H 28/1800Z...DISSIPATED

..
FORECASTER R BALLARD

2017-07-26 20:47:00 WTPA42PHFO262041.TXT

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