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Cyclone Tino

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Tropical Cyclone Sarai
Category 2 tropical cyclone (Aus scale)
Category 1 tropical cyclone (SSHWS)
Sarai near peak strength south of Fiji on December 29
FormedDecember 23, 2019 (December 23, 2019)
DissipatedJanuary 2, 2020 (January 2, 2020)
Highest winds10-minute sustained: 110 km/h (70 mph)
1-minute sustained: 140 km/h (85 mph)
Lowest pressure972 hPa (mbar); 28.7 inHg
Fatalities2
Damage$2.3 million (2019 USD)
Areas affectedTuvalu, Fiji, Tonga, Niue, Southern Cook Islands
Part of the 2019–20 South Pacific cyclone season

Tropical Cyclone Sarai impacted the island nations of Tuvalu, Fiji, Tonga, Niue and the Southern Cook Islands, with varying amounts of damage reported. The system was first noted as an area of low pressure near the Solomon Islands during December 20. Over the next few days, the system gradually developed further and was designated as Tropical Disturbance 03F by the Fiji Meteorological Service during December 23. Over the next few days, 03F continued to develop and was named Sarai during December 26.

Meteorological history

Map plotting the storm's track and intensity, according to the Saffir–Simpson scale
Map key
Saffir–Simpson scale
  Tropical depression (≤38 mph, ≤62 km/h)
  Tropical storm (39–73 mph, 63–118 km/h)
  Category 1 (74–95 mph, 119–153 km/h)
  Category 2 (96–110 mph, 154–177 km/h)
  Category 3 (111–129 mph, 178–208 km/h)
  Category 4 (130–156 mph, 209–251 km/h)
  Category 5 (≥157 mph, ≥252 km/h)
  Unknown
Storm type
triangle Extratropical cyclone, remnant low, tropical disturbance, or monsoon depression

During January 11, the Fiji Meteorological Service (FMS) reported that Tropical Disturbance 04F, had developed about 410 km (255 mi) to the southwest of Honiara in the Solomon Islands.[1]



DEEP CONVECTION REMAINS PERSISTENT TO THE SOUTH OF THE SUPPOSED LLCC AND REMAINS POORLY ORGANISED. CYCLONIC CIRCULATION EXTENDS UPTO 500HPA. THE SYSTEM IS LOCATED NORTH OF AN UPPER RIDGE WITH GOOD OUTFLOW IN A MODERATE SHEARED ENVIRONMENT. SST IS AROUND 31 DEGREES CELSIUS.

On January 10, an area of low pressure formed just east of the Solomon Islands and was forecast by the FMS to track towards the southeast, exhibiting some potential to develop further into a tropical cyclone.[2][3] The FMS designated the slow-moving complex of deep convection as Tropical Disturbance 04F on January 11; at the time, the disturbance was located within a moderate wind shear environment near Makira atop 31 °C (88 °F) ocean waters.[4] Deep convection continued to accompany the developing wind circulation over the following days as conditions grew more favourable, though the wind field remained broad and disorganised.[5][6] The FMS began issuing advisories on 04F on January 14 following improvements in the disturbance's organisation.[7]



TROPICAL DISTURBANCE TD04F CENTRE [1002HPA] WAS ANALYSED NEAR 11.6S 163.0E AT 112100 UTC SLOW MOVING. POSITION POOR BASED ON HIMAWARI 8 VIS IMAGERY.

DEEP CONVECTION REMAINS PERSISTENT TO THE SOUTH OF THE SUPPOSED LLCC AND REMAINS POORLY ORGANISED. CYCLONIC CIRCULATION EXTENDS UPTO 500HPA. THE SYSTEM IS LOCATED NORTH OF AN UPPER RIDGE WITH GOOD OUTFLOW IN A MODERATE SHEARED ENVIRONMENT. SST IS AROUND 31 DEGREES CELSIUS.

GLOBAL MODELS HAVE PICKED UP THIS SYSTEM AND GRADUALLY MOVE IT SOUTHEASTWARDS WITH SLIGHT INTENSIFICATION.

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


On January 10, an area of low pressure formed just east of the Solomon Islands and was forecast by the FMS to track towards the southeast, exhibiting some potential to develop further into a tropical cyclone.[2][3] The FMS designated the slow-moving complex of deep convection as Tropical Disturbance 04F on January 11; at the time, the disturbance was located within a moderate wind shear environment near Makira atop 31 °C (88 °F) ocean waters.[4] Deep convection continued to accompany the developing wind circulation over the following days as conditions grew more favourable, though the wind field remained broad and disorganised.[5][6] The FMS began issuing advisories on 04F on January 14 following improvements in the disturbance's organisation.[8] A subtropical ridge to the northeast caused 04F to track towards the east and southeast.[9] Throughout the early part of the storm's development, a strong band of convection persisted north of the centre of circulation. The FMS upgraded 04F to a tropical depression on January 15.[10] Further intensification occurred as additional convection wrapped around the storm's centre; on January 16 it strengthened into a Category 1 tropical cyclone, gaining the name Tino.[11]

Effects

Salomonen

Vanuatu

Wallis und Futuna

Fidschi

Tonga

Neuseeland

See also

References

  1. ^ Tropical Disturbance Summary for January 11, 2020 23z (Report). Fiji Meteorological Service. January 11, 2020.
  2. ^ a b Tropical Cyclone - 5 Day Outlook (9 January 2020) (PDF) (5 Day Outlook). Nadi, Fiji: Fiji Meteorological Service. January 9, 2020. Retrieved January 14, 2020.
  3. ^ a b Tropical Cyclone - 5 Day Outlook (10 January 2020) (PDF) (5 Day Outlook). Nadi, Fiji: Fiji Meteorological Service. January 10, 2020. Retrieved January 14, 2020.
  4. ^ a b Tropical Disturbance Summary for January 11 2253 UTC (Tropical Disturbance Summary). Fiji Meteorological Service. January 11, 2019.
  5. ^ a b Significant Tropical Weather Advisory for the Western and South Pacific Oceans January 12, 2020 21z (Report). United States Joint Typhoon Warning Center. January 12, 2020.
  6. ^ a b Significant Tropical Weather Advisory for the Western and South Pacific Oceans January 14, 2020 06z (Report). United States Joint Typhoon Warning Center. January 14, 2020.
  7. ^ Tropical Disturbance Advisory A1 for Tropical Disturbance TD04F (Report). Fiji Meteorological Service. January 14, 2020.
  8. ^ Tropical Disturbance Advisory A1 for Tropical Disturbance TD04F (Report). Fiji Meteorological Service. January 14, 2020.
  9. ^ Tropical Disturbance Advisory A2 for Tropical Disturbance TD04F (Report). Fiji Meteorological Service. January 14, 2020.
  10. ^ Tropical Disturbance Advisory A5 for Tropical Depression 04F (Report). Fiji Meteorological Service. January 15, 2020.
  11. ^ Tropical Disturbance Advisory A10 for Tropical Cyclone Tino (Report). Fiji Meteorological Service. January 16, 2020.
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