Pacific Ocean/Wallis/Samoa: Tropical Cyclone Amos 17F: 201800Z 12.6S 179.9W, moving WNW 06 Kt. Expected to INTENSIFY – Published 20 Apr 2016 2020Z (GMT/UTC)

Tropical Cyclone Amos 17F

Tropical Cyclone Amos

5 Day Forecast (Image: @wunderground)

Tropical Cyclone Amos

Image: @wunderground Satellite

 

“Update of Tropical Cyclone “Amos”

During the early hours of this morning, Tropical Depression TD17F has intensified into a Tropical Cyclone and was named Tropical Cyclone “Amos”.

At 3am this morning, it was analysed at 12.8S 179.9W or approximately 230km south-southeast of Niulakita(Tuvalu) or 330km north of Cikobia(Fiji). It is moving westwards at around 14km/hr. As indicated on the attached map, it will turn and move the southeast and is likely to pass in between Wallis and Samoa and this is likely to occur during the weekend

It poses no direct threat to Fiji.

Keep checking this page for further updates.

Stay safe,
Fiji Met”

1823UTC 200416

TROPICAL DISTURBANCE ADVISORY NUMBER A6 ISSUED FROM RSMC NADI
Apr 201944 UTC.

TROPICAL CYCLONE AMOS CENTRE 995HPA WAS LOCATED NEAR 12.6S 179.9W AT
201800UTC. POSITION FAIR BASED ON HIMAWARI-8 IMAGERY AND PERIPHERAL
SURFACE REPORTS. AMOS MOVING WEST-NORTHWEST AT ABOUT 06 KNOTS.
MAXIMUM 10-MINUTE AVERAGE WINDS NEAR THE CENTRE ESTIMATED AT ABOUT 35
KNOTS.

DEEP CONVECTION REMAINS PERSISTENT WITH BAND TRYING TO WRAP AROUND
LLCC FROM NORTH. ORGANISATION HAS SLIGHTLY DECREASED WITH CLOUD TOPS
WARMING FROM THE SOUTH. CYCLONIC CIRCULATION EXTENDS UP TO 400HPA.
SYSTEM LIES IN A MODERATE UPPER DIVERGENCE REGION AND IN A LOW
SHEARED ENVIRONMENT. SST AROUND 30 DEGREE CELCIUS.OUTFLOW GOOD TO THE
SOUTH. DVORAK ANALYSIS BASED ON 0.6 WRAP YIELDS DT=3.0, MET AND PT
AGREE. FT BASED ON DT. THUS, YIELDING T3.0/3.0/D1.0/24HRS.

FORECASTS :
AT 12 HRS VALID AT 210600 UTC 12.7S 180.0 MOV SW AT 01KT WITH 45 KT
CLOSE TO CENTRE
AT 24 HRS VALID AT 211800 UTC 12.4S 179.4W MOV ENE AT 03KT WITH 50 KT
CLOSE TO CENTRE.

OUTLOOK:
AT 36 HRS VALID AT 220600 UTC 12.2S 178.4W MOV ENE AT 05KT WITH 55 KT
CLOSE TO CENTRE
AT 48 HRS VALID AT 221800 UTC 12.3S 177.3W MOV E AT 06KT WITH 60 KT
CLOSE TO CENTRE.

THE NEXT TOPICAL DISTURBANCE ADVISORY ON AMOS WILL BE ISSUED AROUND
210200UTC.

SW Pacific: TSR Storm Alert issued at 20 Apr, 2016 18:00 GMT

Tropical Storm AMOS is currently located near 12.6 S 179.6 W with maximum 1-min sustained winds of 40kts (46 mph). AMOS is forecast to affect land to the following likelihood(s) at the given lead time(s):
Yellow Alert City(s) and Town(s)
    Mata-Utu (13.3 S, 176.2 W)
        probability for CAT 1 or above is 30% in about 48 hours
        probability for TS is 55% in about 36 hours

Note that
Yellow Alert (Elevated) is CAT 1 or above to between 10% and 30% probability, or TS to above 50% probability.
CAT 1 means Tropical Cyclone strength winds of at least 74 mph, 119 km/h or 64 knots 1-min sustained.
TS means Tropical Storm strength winds of at least 39 mph, 63 km/h or 34 knots 1-min sustained.

For graphical forecast information and further details please visit http://www.tropicalstormrisk.com/

Storm Tracker Map

(Image: TSR)

MARITIME/SHIPPING

STORM WARNING 028 ISSUED FROM RSMC NADI Apr 201913 UTC.

***** CORRECTION TO WARNING NUMBER *****

TROPICAL CYCLONE AMOS CENTRE 995HPA CATEGORY 1 WAS LOCATED NEAR 12.6
SOUTH 179.9 WEST AT 201800 UTC.
POSITION FAIR.
REPEAT POSITION 12.6S 179.9W AT 201800 UTC.
CYCLONE MOVING WEST-NORTHWEST AT 06 KNOTS. CYCLONE EXPECTING
INTENSIFY.
EXPECT SUSTAINED WINDS OF 35 KNOTS CLOSE TO THE CENTRE INCREASING TO
50 KNOTS BY 211200 UTC.

EXPECT WINDS OVER 33 KNOTS WITHIN 70 NAUTICAL MILES OF CENTRE.

FORECAST POSITION NEAR 12.7S 180.0 AT 210600 UTC
AND NEAR 12.4S 179.4W AT 211800 UTC.

ALL VESSELS WITHIN 300 NAUTICAL MILES OF CENTRE ARE REQUESTED TO SEND
REPORTS EVERY THREE HOURS TO RSMC NADI. VOS REPORTING SHIPS USE
NORMAL CHANNELS. OTHER VESSELS FAX PLUS 679 6720190 OR EMAIL NADITCC
AT MET DOT GOV DOT FJ

THIS WARNING CANCELS AND REPLACES WARNING 026.

WTPS11 NFFN 201800
TROPICAL DISTURBANCE ADVISORY NUMBER A6 ISSUED FROM RSMC NADI
APR 201944 UTC.

TROPICAL CYCLONE AMOS CENTRE 995HPA WAS LOCATED NEAR 12.6S 179.9W AT
201800UTC. POSITION FAIR BASED ON HIMAWARI-8 IMAGERY AND PERIPHERAL
SURFACE REPORTS. AMOS MOVING WEST-NORTHWEST AT ABOUT 06 KNOTS.
MAXIMUM 10-MINUTE AVERAGE WINDS NEAR THE CENTRE ESTIMATED AT ABOUT 35
KNOTS.

DEEP CONVECTION REMAINS PERSISTENT WITH BAND TRYING TO WRAP AROUND
LLCC FROM NORTH. ORGANISATION HAS SLIGHTLY DECREASED WITH CLOUD TOPS
WARMING FROM THE SOUTH. CYCLONIC CIRCULATION EXTENDS UP TO 400HPA.
SYSTEM LIES IN A MODERATE UPPER DIVERGENCE REGION AND IN A LOW
SHEARED ENVIRONMENT. SST AROUND 30 DEGREE CELCIUS.OUTFLOW GOOD TO THE
SOUTH. DVORAK ANALYSIS BASED ON 0.6 WRAP YIELDS DT=3.0, MET AND PT
AGREE. FT BASED ON DT. THUS, YIELDING T3.0/3.0/D1.0/24HRS.

FORECASTS :
AT 12 HRS VALID AT 210600 UTC 12.7S 180.0 MOV SW AT 01KT WITH 45 KT
CLOSE TO CENTRE
AT 24 HRS VALID AT 211800 UTC 12.4S 179.4W MOV ENE AT 03KT WITH 50 KT
CLOSE TO CENTRE.

OUTLOOK:
AT 36 HRS VALID AT 220600 UTC 12.2S 178.4W MOV ENE AT 05KT WITH 55 KT
CLOSE TO CENTRE
AT 48 HRS VALID AT 221800 UTC 12.3S 177.3W MOV E AT 06KT WITH 60 KT
CLOSE TO CENTRE.

THE NEXT TOPICAL DISTURBANCE ADVISORY ON AMOS WILL BE ISSUED AROUND
210200UTC.

Do not use any information on this site for life or death decisions. All information is intended as supplementary to official sources. Kindly refer to your country’s official weather agency/government website for local warnings, advisories and bulletins.

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