Spac: TD14f - Tropical Depression

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94P INVEST 180417 1800 11.5S 177.9E SHEM 20 1007

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SPECIAL WEATHER BULLETIN NUMBER EIGHT FOR HEAVY RAIN ISSUED FROM NATIONAL WEATHER FORECASTING CENTRE NADI AT 06.30PM
ON THURSDAY THE 19TH OF APRIL 2018.

A HEAVY RAIN WARNING REMAINS IN FORCE FOR YASAWA GROUP, VANUA LEVU, TAVEUNI AND NEARBY SMALLER ISLANDS, NORTHERN LAU GROUP, THE EASTERN PART
AND INTERIOR OF VITI LEVU.
A HEAVY RAIN ALERT REMAINS IN FORCE FOR THE REST OF FIJI.

SITUATION:
SHALLOW TROPICAL DISTURBANCE TD14F CENTRE [1004HPA] WAS ANALYSED TO THE NORTH OF FIJI, NEAR ROTUMA, AT 6PM TODAY. IT REMAINS SLOW MOVING
AND IS EXPECTED TO DRIFT SOUTH AND POSSIBLY INTENSIFY INTO A TROPICAL DEPRESSION LATER TONIGHT. MEANWHILE, THE
ASSOCIATED TROUGH OF LOW PRESSURE WITH CLOUD AND RAIN AFFECTS THE NORTHERN PARTS OF THE GROUP.

FORECAST:

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SPECIAL WEATHER BULLETIN NUMBER FOURTEEN FOR HEAVY RAIN ISSUED FROM NATIONAL WEATHER FORECASTING CENTRE NADI AT 9.30AM
ON FRIDAY THE 20TH OF APRIL 2018.

A HEAVY RAIN WARNING REMAINS IN FORCE FOR YASAWA GROUP, VANUA LEVU, TAVEUNI AND NEARBY SMALLER ISLANDS, NORTHERN LAU GROUP, THE NORTHERN PART
AND INTERIOR OF VITI LEVU.
A HEAVY RAIN ALERT REMAINS IN FORCE FOR THE REST OF FIJI.

SITUATION:
SHALLOW TROPICAL DEPRESSION TD14F CENTRE [1001HPA] LOCATED JUST SOUTH OF ROTUMA AND TO THE NORTH OF FIJI IS GRADUALLY MOVING SOUTHWARDS. TD14F IS EXPECTED TO PASS JUST WEST OF FIJI.
MEANWHILE, THE ASSOCIATED TROUGH OF LOW PRESSURE AND RAIN BANDS AFFECTS THE GROUP.

FORECAST:
FOR YASAWA GROUP, VANUA LEVU, TAVEUNI AND NEARBY SMALLER ISLANDS, THE NORTHERN PART AND INTERIOR OF VITI LEVU:
OCCASIONAL RAIN, HEAVY AT TIMES WITH FEW SQUALLY THUNDERSTORMS.
LOCALISED HEAVY FALLS MAY LEAD TO FLASH FLOODING OF LOW LYING AREAS.

FOR REST OF FIJI:
CLOUDY PERIODS WITH OCCASIONAL SHOWERS AND ISOLATED THUNDERSTORMS. SHOWERS INCREASING TO RAIN AND BECOMING HEAVY AT TIMES FROM LATER TODAY.
LOCALISED HEAVY FALLS MAY LEAD TO FLASH FLOODING OF LOW LYING AREAS.

THE NEXT SPECIAL WEATHER BULLETIN ON HEAVY RAIN WILL BE ISSUED AT OR AROUND 12:30PM TODAY OR EARLIER.

[wxman57]

Tropical Disturbance Summary For area Equator to 25S, 160E to 120W
ISSUED FROM RSMC NADI Apr 200905 UTC.

TROPICAL DEPRESSION TD14F CENTRE [1000HPA] WAS LOCATED NEAR 14.8S
179.0E AT 200600 UTC SLOW MOVING. POSITION POOR BASED ON HR
HIMAWARI-8 IR/EIR IMAGERY AND PERIPHERAL SURFACE REPORTS. SST AROUND
29 DEGREES CELCIUS.
CONVECTION REMAINS PERSISTENT TO THE SOUTH OF SUPPOSED LLCC WITH POOR
ORGANISATION. CYCLONIC CIRCULATIONS EXTENDS UP TO 700HPA. SYSTEM LIES
UNDER AN UPPER RIDGE IN A MODERATE TO HIGH SHEARED ENVIRONMENT.

GLOBAL MODELS HAVE PICKED UP THE SYSTEM AND GRADUALLY WEAKEN IT AS IT
MOVES SOUTHWARDS.

POTENTIAL FOR THIS SYSTEM TO DEVELOP INTO A TROPICAL CYCLONE IN THE
NEXT 24 TO 48 HOURS IS VERY LOW.


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NO OTHER SIGNIFICANT TROPICAL DISTURBANCE ANALYSED OR FORECAST IN THE
AREA.

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Backend off the season has been hard yards for fiji even these weak td's are huge flooding
threats with the already soaked soils.
https://www.radionz.co.nz/international ... ed-in-fiji