Overall Green alert Tropical Cyclone for GABRIELLE-23
in Norfolk Island, New Caledonia
10 Feb 2023 12 UTC
click on to select bulletin time
Impact Single TC
Impact based on all weather systems in the area

Impact

Tropical Cyclone GABRIELLE-23 can have a low humanitarian impact based on the maximum sustained wind speed,exposed population and vulnerability.

Meteorological source HWRF
Exposed countries Norfolk Island, New Zealand
Exposed population No people in Category 1 or higher
Maximum wind speed 133 km/h
Maximum storm surge
Vulnerability Medium (New Caledonia)

GDACS Score

GDACS alert score for Tropical Cyclones is 0.5 (GREEN Alert), 1.5 (ORANGE Alert), 2.5 (RED Alert)
For more info on GDACS alert score click here.
  Wind Storm surge Rainfall GDACS score
HWRF Current 133 km/h n.a. 82 mm 0.5
HWRF Overall 173 km/h n.a. 413 mm 0.5

Maximum winds, storm surge, rainfall (Current: over the next 72 h, Overall: entire TC track)

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Wind



Wind exposed population - AoIs

Estimations based on the bulletin of 10 Feb 2023 12:00 UTC
CategoryCountryPopulation 
Tropical StormNorfolk Island, New Zealand1,290,543
+
Norfolk Island2,448 
New Zealand1,288,094 

See TC classification SSHS


Wind Impact Timeline

people affected <=10000
10000< people affected <=100000
people affected >100000


Alert N° Date (UTC) Max Winds (km/h) Pop in Cat. 1 or higher TS Cat. 1 Cat. 2 Cat. 3 Cat. 4 Cat. 5 Countries
GREEN 1 08 Feb 2023 00:00 79 - - - - - - -
GREEN 2 08 Feb 2023 06:00 94 - - - - - - -
GREEN 3 08 Feb 2023 12:00 101 - - - - - - -
GREEN 4 08 Feb 2023 18:00 108 - - - - - - -
GREEN 5 09 Feb 2023 00:00 90 - - - - - - -
GREEN 6 09 Feb 2023 06:00 112 - - - - - - -
GREEN 7 09 Feb 2023 12:00 126 - - - - - - -
GREEN 8 09 Feb 2023 18:00 133 - - - - - - -
GREEN 9 10 Feb 2023 00:00 173 - - - - - - -
GREEN 10 10 Feb 2023 06:00 162 - - - - - - -
GREEN 11 10 Feb 2023 12:00 148 -
- - - - - New Caledonia, Norfolk Island, New Zealand
Download:





Impact estimation for the next 72h
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Rainfall

413 mm

Up to 1.4 million can be affected rain lower than 100mm





Rain exposed population - AoIs

Estimations based on the bulletin of 10 Feb 2023 12:00 UTC
LevelCountryPopulation 
250-500 mmNew Zealand9,993 
100-250 mmNew Zealand842,759 
50-100 mmNew Zealand1,384,067 

Rain Impact Timeline

people affected <=10000
10000< people affected <=100000
people affected >100000


Alert N° Date (UTC) Max Rainfall (mm) Pop >100mm or higher 50-100 100-250 250-500 500-750 750-1000 >1000 Countries
Blue 1 08 Feb 2023 00:00 201 -
- - - - - Papua New Guinea
Blue 2 08 Feb 2023 06:00 125 - - - - - - -
Blue 3 08 Feb 2023 12:00 127 - - - - - - -
Blue 4 08 Feb 2023 18:00 160 - - - - - - -
Blue 5 09 Feb 2023 00:00 140 - - - - - - -
Blue 6 09 Feb 2023 06:00 188 - - - - - - -
Blue 7 09 Feb 2023 12:00 113 - - - - - - -
Blue 8 09 Feb 2023 18:00 116 - - - - - - -
Blue 9 10 Feb 2023 00:00 220 - - - - - - -
Blue 10 10 Feb 2023 06:00 218 - - - - - - -
Blue 11 10 Feb 2023 12:00 355 100 thousand
- - - Norfolk Island, New Zealand




Impact estimation for the next 72h
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StormSurge

No locations affected by storm surge > 10 cm

The JRC has developed an experimental global storm surge model, which is run after each advisory issued by the regional tropical cyclone centres. The calculations are published about 20 minutes after a new advisory is detected by GDACS. The calculations identify the populated places affected by storm surge up to three days in advance, using the forecasted track. When forecasts change, the associated storm surge changes too and alert levels may go up or down. All links, data, statistics and maps refer to the latest available calculation. If the calculation for the last advisory is not completed, the latest available calculation is shown.

Storm Surge Exposed population - AoIs


Storm Surge Exposed locations

Calculation based on the bulletin of 10 Feb 2023 12:00 UTC
    

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