{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:03:53.081660", "data_source": "ERA5", "website": "http://wexa.jamstec.go.jp", "Author": "Patrick Martineau"}, "event_id": {"name": "Event ID", "description": "A unique identifier based on: beginning_date, end_date, longitude, and latitude", "value": "2015-Sep-09_to_2015-Sep-17_131.0_-1.0"}, "event_label": {"name": "Event label", "description": "Integer-valued grid identifier that uniquely labels each detected extreme event in space and time, consistent with the corresponding labels stored in the NetCDF dataset.", "value": 2015090001679}, "status": {"name": "Status", "description": "An ongoing event denotes an event that lasts up to the latest data available. These events are subject to change as newer data is added.", "value": false}, "start_date": {"name": "Start date", "description": "First date on which grid points are under the influence of an event", "value": "September 09 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 17 2015"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 9}, "figures_available": {"name": "Figures available", "description": "True if figures were pre-generated for this event", "value": true}, "detection_var": {"name": "Detection variable", "description": "Variable used for the detection scheme", "value": "t2m"}, "event_type": {"name": "Event type", "description": "Type of the event detected", "value": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 101963.20455925082}, "countries_affected": {"name": "Countries affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the countries affected by an event during its lifetime.", "value": ["Indonesia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Equatorial.Pacific-Ocean", "S.E.Asia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "oceans_affected": {"name": "Ocean basins affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the ocean basins affected by an event during its lifetime.", "value": ["Ceram Sea", "North Pacific Ocean", "South Pacific Ocean"]}, "center_lat": {"name": "Center latitude", "description": "Latitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": -1.0}, "center_lon": {"name": "Center longitude", "description": "Longitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 131.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "131.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 130.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 135.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -2.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 3.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-09-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[130.47, -1.53], [130.25, -1.0], [130.47, -0.47], [131.0, -0.25], [131.25, -0.35], [131.5, -0.25], [132.03, -0.47], [132.25, -1.0], [132.03, -1.53], [131.5, -1.75], [131.25, -1.65], [131.0, -1.75], [130.47, -1.53]]]]}, "2015-09-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[130.47, 0.53], [131.0, 0.75], [131.5, 0.54], [132.0, 0.75], [132.53, 0.53], [132.75, 0.0], [132.65, -0.25], [132.75, -0.5], [132.53, -1.03], [132.18, -1.18], [132.03, -1.53], [131.5, -1.75], [131.25, -1.65], [131.0, -1.75], [130.47, -1.53], [130.25, -1.0], [130.46, -0.5], [130.25, 0.0], [130.47, 0.53]]]]}, "2015-09-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[130.47, 0.53], [130.82, 0.68], [130.85, 0.75], [130.75, 1.0], [130.97, 1.53], [131.32, 1.68], [131.47, 2.03], [131.82, 2.18], [131.97, 2.53], [132.32, 2.68], [132.47, 3.03], [133.0, 3.25], [133.25, 3.15], [133.5, 3.25], [133.75, 3.15], [133.82, 3.18], [133.97, 3.53], [134.5, 3.75], [134.75, 3.65], [135.0, 3.75], [135.25, 3.65], [135.5, 3.75], [136.03, 3.53], [136.25, 3.0], [136.03, 2.47], [135.5, 2.25], [135.25, 2.35], [135.0, 2.25], [134.75, 2.35], [134.68, 2.32], [134.53, 1.97], [134.18, 1.82], [134.03, 1.47], [133.68, 1.32], [133.53, 0.97], [133.18, 0.82], [133.03, 0.47], [132.68, 0.32], [132.65, 0.25], [132.75, 0.0], [132.65, -0.25], [132.75, -0.5], [132.53, -1.03], [132.18, -1.18], [132.03, -1.53], [131.5, -1.75], [131.25, -1.65], [131.0, -1.75], [130.47, -1.53], [130.25, -1.0], [130.46, -0.5], [130.25, 0.0], [130.47, 0.53]]]]}, "2015-09-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[130.35, -0.25], [130.25, 0.0], [130.35, 0.25], [130.25, 0.5], [130.47, 1.03], [130.82, 1.18], [130.97, 1.53], [131.32, 1.68], [131.47, 2.03], [131.82, 2.18], [131.97, 2.53], [132.32, 2.68], [132.47, 3.03], [133.0, 3.25], [133.25, 3.15], [133.5, 3.25], [133.75, 3.15], [133.82, 3.18], [133.97, 3.53], [134.5, 3.75], [134.75, 3.65], [135.0, 3.75], [135.25, 3.65], [135.5, 3.75], [136.03, 3.53], [136.25, 3.0], [136.03, 2.47], [135.5, 2.25], [135.25, 2.35], [135.0, 2.25], [134.75, 2.35], [134.68, 2.32], [134.53, 1.97], [134.18, 1.82], [134.03, 1.47], [133.68, 1.32], [133.53, 0.97], [133.18, 0.82], [133.03, 0.47], [132.68, 0.32], [132.65, 0.25], [132.75, 0.0], [132.65, -0.25], [132.75, -0.5], [132.53, -1.03], [132.0, -1.25], [131.7, -1.13], [131.53, -1.53], [131.0, -1.75], [130.47, -1.53], [130.25, -1.0], [130.35, -0.75], [130.25, -0.5], [130.35, -0.25]]]]}, "2015-09-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[130.46, -0.0], [130.25, 0.5], [130.47, 1.03], [130.82, 1.18], [130.97, 1.53], [131.32, 1.68], [131.47, 2.03], [131.82, 2.18], [131.97, 2.53], [132.32, 2.68], [132.47, 3.03], [133.0, 3.25], [133.25, 3.15], [133.5, 3.25], [133.75, 3.15], [133.82, 3.18], [133.97, 3.53], [134.5, 3.75], [134.75, 3.65], [135.0, 3.75], [135.25, 3.65], [135.5, 3.75], [136.03, 3.53], [136.25, 3.0], [136.03, 2.47], [135.5, 2.25], [135.25, 2.35], [135.0, 2.25], [134.75, 2.35], [134.68, 2.32], [134.53, 1.97], [134.18, 1.82], [134.03, 1.47], [133.68, 1.32], [133.53, 0.97], [133.18, 0.82], [133.03, 0.47], [132.68, 0.32], [132.65, 0.25], [132.75, 0.0], [132.65, -0.25], [132.68, -0.32], [133.03, -0.47], [133.25, -1.0], [133.15, -1.25], [133.25, -1.5], [133.03, -2.03], [132.5, -2.25], [131.97, -2.03], [131.82, -1.68], [131.75, -1.65], [131.5, -1.75], [131.25, -1.65], [131.0, -1.75], [130.47, -1.53], [130.25, -1.0], [130.35, -0.75], [130.25, -0.5], [130.46, -0.0]]]]}, "2015-09-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[130.35, -0.25], [130.25, 0.0], [130.35, 0.25], [130.25, 0.5], [130.47, 1.03], [130.82, 1.18], [130.85, 1.25], [130.75, 1.5], [130.97, 2.03], [131.5, 2.25], [131.75, 2.15], [131.82, 2.18], [131.97, 2.53], [132.32, 2.68], [132.47, 3.03], [133.0, 3.25], [133.53, 3.03], [133.68, 2.68], [134.03, 2.53], [134.25, 2.0], [134.03, 1.47], [133.68, 1.32], [133.53, 0.97], [133.18, 0.82], [133.03, 0.47], [132.68, 0.32], [132.65, 0.25], [132.75, 0.0], [132.65, -0.25], [132.68, -0.32], [133.03, -0.47], [133.25, -1.0], [133.15, -1.25], [133.25, -1.5], [133.15, -1.75], [133.18, -1.82], [133.53, -1.97], [133.75, -2.5], [133.53, -3.03], [133.0, -3.25], [132.47, -3.03], [132.32, -2.68], [131.97, -2.53], [131.82, -2.18], [131.47, -2.03], [131.32, -1.68], [131.25, -1.65], [131.0, -1.75], [130.47, -1.53], [130.25, -1.0], [130.35, -0.75], [130.25, -0.5], [130.35, -0.25]]]]}, "2015-09-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[130.35, -0.25], [130.25, 0.0], [130.35, 0.25], [130.25, 0.5], [130.47, 1.03], [130.82, 1.18], [130.85, 1.25], [130.75, 1.5], [130.97, 2.03], [131.5, 2.25], [131.75, 2.15], [131.82, 2.18], [131.97, 2.53], [132.5, 2.75], [132.75, 2.65], [133.0, 2.75], [133.25, 2.65], [133.5, 2.75], [134.03, 2.53], [134.25, 2.0], [134.03, 1.47], [133.68, 1.32], [133.53, 0.97], [133.18, 0.82], [133.03, 0.47], [132.68, 0.32], [132.65, 0.25], [132.75, 0.0], [132.65, -0.25], [132.68, -0.32], [133.03, -0.47], [133.25, -1.0], [133.15, -1.25], [133.25, -1.5], [133.15, -1.75], [133.18, -1.82], [133.53, -1.97], [133.75, -2.5], [133.53, -3.03], [133.0, -3.25], [132.47, -3.03], [132.32, -2.68], [131.97, -2.53], [131.82, -2.18], [131.47, -2.03], [131.32, -1.68], [131.25, -1.65], [131.0, -1.75], [130.47, -1.53], [130.25, -1.0], [130.35, -0.75], [130.25, -0.5], [130.35, -0.25]]]]}, "2015-09-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[130.47, 1.03], [130.82, 1.18], [130.85, 1.25], [130.75, 1.5], [130.97, 2.03], [131.5, 2.25], [132.03, 2.03], [132.25, 1.5], [132.15, 1.25], [132.25, 1.0], [132.15, 0.75], [132.25, 0.5], [132.15, 0.25], [132.18, 0.18], [132.53, 0.03], [132.75, -0.5], [132.65, -0.75], [132.75, -1.0], [132.65, -1.25], [132.68, -1.32], [133.03, -1.47], [133.18, -1.82], [133.53, -1.97], [133.75, -2.5], [133.53, -3.03], [133.0, -3.25], [132.47, -3.03], [132.32, -2.68], [131.97, -2.53], [131.82, -2.18], [131.47, -2.03], [131.32, -1.68], [131.25, -1.65], [131.0, -1.75], [130.47, -1.53], [130.25, -1.0], [130.46, -0.5], [130.25, 0.0], [130.35, 0.25], [130.25, 0.5], [130.47, 1.03]]]]}, "2015-09-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[131.5, 2.25], [132.03, 2.03], [132.25, 1.5], [132.03, 0.97], [131.5, 0.75], [130.97, 0.97], [130.75, 1.5], [130.97, 2.03], [131.5, 2.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.8032779083729906}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.0398516672049731}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.239474768657487, 26.921316773671037, 27.917336445390163, 27.91662726392576, 27.550130211879207, 27.46271441961744, 27.48619218169455, 27.34135776041944, 28.1880587609171]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.408157177253827, 27.843376013251543, 28.332443995864708, 28.367882513098436, 28.331292860734266, 28.392138574778244, 28.334746266125933, 28.29116757904029, 28.1880587609171]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9406196295666689, 0.988339500475206, 1.0529765522341228, 0.9905009601219467, 0.9882471654405792, 1.056346657190328, 1.0988689946115684, 1.0974414523191212, 0.9748875737187177]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.9898155243326983, 1.2308903947155727, 1.2935394219355203, 1.2475149254750022, 1.205227861761216, 1.4255909536005902, 1.8032779083729906, 1.3686553334424616, 0.9748875737187177]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.423655778224003, 1.5647752335284588, 1.6478488284033437, 1.5724610298420663, 1.5570475655050646, 1.6656041450679029, 1.694302517588685, 1.6825054593560327, 1.4258514058096372]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4499625352151932, 1.8469919748375168, 2.0644385375925793, 1.8616470585664588, 1.9289458899327712, 2.3621252994453896, 2.684464159803422, 2.0071723109359882, 1.4258514058096372]}}