WTPS31 PGTW 080300
IN THE SOUTHERN SEMICIRCLE IS SHEARED TO THE EAST-NORTHEAST DUE TO
WEST-SOUTHWESTERLY VERTICAL WIND SHEAR BETWEEN 40-45 KTS, WHILE THE
SYSTEMS ASSOCIATED WIND FIELD INTERACTS WITH COASTAL BRISBANE TO THE
WEST AND MORETON ISLAND TO THE EAST. AFTER TC 18P MAKES LANDFALL,
FURTHER WEAKENING IS FORECASTED AS THE LLCC ENCOUNTERS ENHANCED
FRICTIONAL EFFECTS THROUGH LAND INTERACTION. THE INITIAL POSITION
IS PLACED WITH HIGH CONFIDENCE BASED ON LOCAL SURFACE OBSERVATIONS,
INDICATING THE WELL-DEFINED SURFACE CIRCULATION REMAINS OVER NORTHERN
MORETON BAY. THE INITIAL INTENSITY IS ASSESSED WITH HIGH CONFIDENCE
BASED ON A 072304Z METOP-B SCATTEROMETRY PASS SHOWING TWO ISOLATED
AREAS OF 35 KTS INTENSITIES IN THE SOUTHEAST QUADRANT OF THE BROADER
SURFACE TURNING.THIS IS THE FINAL WARNING ON THIS SYSTEM BY THE JOINT
TYPHOON WRNCEN PEARL HARBOR HI. THE SYSTEM WILL BE CLOSELY MONITORED
FOR SIGNS OF REGENERATION.
MINIMUM CENTRAL PRESSURE AT 080000Z IS 1000 MB.
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 080000Z IS 18 FEET.//
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// END PART 02/02 //