{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:32:04.406250", "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": "2022-Aug-01_to_2022-Aug-04_297.0_-17.0"}, "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": 2022080001320}, "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": "August 01 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 04 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 59193.93313383964}, "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": ["Bolivia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["South-American-Monsoon"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["South America"]}, "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": []}, "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": -17.0}, "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": 297.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "297.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 293.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 298.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -18.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -15.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-08-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-63.0, -16.25], [-62.57, -16.43], [-62.75, -16.0], [-62.53, -15.47], [-62.0, -15.25], [-61.47, -15.47], [-61.25, -16.0], [-61.47, -16.53], [-62.0, -16.75], [-62.43, -16.57], [-62.32, -16.82], [-61.97, -16.97], [-61.75, -17.5], [-61.97, -18.03], [-62.5, -18.25], [-62.75, -18.15], [-63.0, -18.25], [-63.53, -18.03], [-63.75, -17.5], [-63.65, -17.25], [-63.75, -17.0], [-63.53, -16.47], [-63.0, -16.25]]], [[[-66.53, -16.53], [-66.75, -16.0], [-66.53, -15.47], [-66.0, -15.25], [-65.47, -15.47], [-65.25, -16.0], [-65.47, -16.53], [-66.0, -16.75], [-66.53, -16.53]]]]}, "2022-08-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-66.75, -16.0], [-66.53, -15.47], [-66.0, -15.25], [-65.7, -15.38], [-65.53, -14.97], [-65.0, -14.75], [-64.47, -14.97], [-64.25, -15.5], [-64.35, -15.75], [-64.32, -15.82], [-64.25, -15.85], [-64.18, -15.82], [-64.03, -15.47], [-63.5, -15.25], [-63.0, -15.46], [-62.5, -15.25], [-62.25, -15.35], [-62.0, -15.25], [-61.47, -15.47], [-61.25, -16.0], [-61.47, -16.53], [-62.0, -16.75], [-62.25, -16.65], [-62.32, -16.68], [-62.35, -16.75], [-62.32, -16.82], [-61.97, -16.97], [-61.75, -17.5], [-61.97, -18.03], [-62.5, -18.25], [-62.75, -18.15], [-63.0, -18.25], [-63.25, -18.15], [-63.5, -18.25], [-63.75, -18.15], [-63.82, -18.18], [-63.97, -18.53], [-64.5, -18.75], [-64.75, -18.65], [-65.0, -18.75], [-65.53, -18.53], [-65.75, -18.0], [-65.53, -17.47], [-65.0, -17.25], [-64.75, -17.35], [-64.68, -17.32], [-64.65, -17.25], [-64.68, -17.18], [-65.0, -17.04], [-65.5, -17.25], [-66.03, -17.03], [-66.18, -16.68], [-66.53, -16.53], [-66.75, -16.0]]]]}, "2022-08-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-66.75, -16.0], [-66.53, -15.47], [-66.0, -15.25], [-65.7, -15.38], [-65.53, -14.97], [-65.0, -14.75], [-64.47, -14.97], [-64.25, -15.5], [-64.35, -15.75], [-64.32, -15.82], [-64.25, -15.85], [-64.18, -15.82], [-64.03, -15.47], [-63.5, -15.25], [-63.0, -15.46], [-62.5, -15.25], [-62.25, -15.35], [-62.0, -15.25], [-61.47, -15.47], [-61.25, -16.0], [-61.47, -16.53], [-62.0, -16.75], [-62.25, -16.65], [-62.32, -16.68], [-62.35, -16.75], [-62.32, -16.82], [-61.97, -16.97], [-61.75, -17.5], [-61.97, -18.03], [-62.5, -18.25], [-62.75, -18.15], [-63.0, -18.25], [-63.25, -18.15], [-63.5, -18.25], [-63.75, -18.15], [-63.82, -18.18], [-63.97, -18.53], [-64.5, -18.75], [-64.75, -18.65], [-65.0, -18.75], [-65.53, -18.53], [-65.75, -18.0], [-65.53, -17.47], [-65.0, -17.25], [-64.75, -17.35], [-64.68, -17.32], [-64.65, -17.25], [-64.68, -17.18], [-65.0, -17.04], [-65.5, -17.25], [-66.03, -17.03], [-66.18, -16.68], [-66.53, -16.53], [-66.75, -16.0]]]]}, "2022-08-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-66.75, -16.0], [-66.53, -15.47], [-66.0, -15.25], [-65.7, -15.38], [-65.53, -14.97], [-65.0, -14.75], [-64.47, -14.97], [-64.25, -15.5], [-64.35, -15.75], [-64.32, -15.82], [-64.25, -15.85], [-64.18, -15.82], [-64.03, -15.47], [-63.5, -15.25], [-63.0, -15.46], [-62.5, -15.25], [-62.25, -15.35], [-62.0, -15.25], [-61.47, -15.47], [-61.25, -16.0], [-61.47, -16.53], [-62.0, -16.75], [-62.25, -16.65], [-62.32, -16.68], [-62.35, -16.75], [-62.25, -17.0], [-62.47, -17.53], [-62.82, -17.68], [-62.97, -18.03], [-63.5, -18.25], [-63.75, -18.15], [-63.82, -18.18], [-63.97, -18.53], [-64.5, -18.75], [-64.75, -18.65], [-65.0, -18.75], [-65.53, -18.53], [-65.75, -18.0], [-65.53, -17.47], [-65.0, -17.25], [-64.75, -17.35], [-64.68, -17.32], [-64.65, -17.25], [-64.68, -17.18], [-65.0, -17.04], [-65.5, -17.25], [-66.03, -17.03], [-66.18, -16.68], [-66.53, -16.53], [-66.75, -16.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.845582790632307}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.8345954619703364}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.659360907012456, 24.824001392836408, 25.508448393096387, 24.720395160000237]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.38803188970752, 27.345891209122215, 28.13920976519671, 27.139943942171215]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.807875875870343, 3.6749793861064406, 4.272093259549112, 3.533260100648246]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.364064068091693, 5.15932261725419, 5.845582790632307, 4.012011162146507]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.124182948542662, 1.2239572671584646, 1.420847309639873, 1.1832100766688014]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.1693851112824578, 1.4137698182608633, 1.6571830665344052, 1.3021440193182319]}}