{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:49:40.478338", "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": "2012-Feb-02_to_2012-Feb-08_318.5_-8.0"}, "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": 2012020001806}, "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": "February 02 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 08 2012"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 55091.48903874731}, "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": ["Brazil"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.E.South-America"]}, "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": -8.0}, "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": 318.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "318.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 316.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 319.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -9.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -6.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-02-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-41.5, -7.25], [-40.97, -7.47], [-40.75, -8.0], [-40.97, -8.53], [-41.5, -8.75], [-42.03, -8.53], [-42.25, -8.0], [-42.03, -7.47], [-41.5, -7.25]]]]}, "2012-02-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-43.03, -9.03], [-43.25, -8.5], [-43.03, -7.97], [-42.5, -7.75], [-42.25, -7.85], [-42.18, -7.82], [-42.03, -7.47], [-41.5, -7.25], [-40.97, -7.47], [-40.75, -8.0], [-40.97, -8.53], [-41.32, -8.68], [-41.47, -9.03], [-42.0, -9.25], [-42.25, -9.15], [-42.5, -9.25], [-43.03, -9.03]]]]}, "2012-02-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-43.75, -7.5], [-43.53, -6.97], [-43.0, -6.75], [-42.75, -6.85], [-42.5, -6.75], [-42.0, -6.96], [-41.5, -6.75], [-40.97, -6.97], [-40.75, -7.5], [-40.85, -7.75], [-40.75, -8.0], [-40.97, -8.53], [-41.32, -8.68], [-41.47, -9.03], [-42.0, -9.25], [-42.25, -9.15], [-42.5, -9.25], [-43.03, -9.03], [-43.25, -8.5], [-43.15, -8.25], [-43.18, -8.18], [-43.53, -8.03], [-43.75, -7.5]]]]}, "2012-02-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-43.75, -7.5], [-43.53, -6.97], [-43.18, -6.82], [-43.03, -6.47], [-42.5, -6.25], [-41.97, -6.47], [-41.82, -6.82], [-41.75, -6.85], [-41.5, -6.75], [-41.25, -6.85], [-41.0, -6.75], [-40.47, -6.97], [-40.25, -7.5], [-40.35, -7.75], [-40.25, -8.0], [-40.47, -8.53], [-40.82, -8.68], [-40.97, -9.03], [-41.5, -9.25], [-41.75, -9.15], [-42.0, -9.25], [-42.25, -9.15], [-42.5, -9.25], [-43.03, -9.03], [-43.25, -8.5], [-43.15, -8.25], [-43.18, -8.18], [-43.53, -8.03], [-43.75, -7.5]]]]}, "2012-02-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-43.53, -6.97], [-43.18, -6.82], [-43.03, -6.47], [-42.5, -6.25], [-41.97, -6.47], [-41.82, -6.82], [-41.75, -6.85], [-41.5, -6.75], [-41.25, -6.85], [-41.0, -6.75], [-40.75, -6.85], [-40.5, -6.75], [-39.97, -6.97], [-39.75, -7.5], [-39.97, -8.03], [-40.32, -8.18], [-40.47, -8.53], [-40.82, -8.68], [-40.97, -9.03], [-41.32, -9.18], [-41.47, -9.53], [-42.0, -9.75], [-42.25, -9.65], [-42.5, -9.75], [-43.03, -9.53], [-43.18, -9.18], [-43.25, -9.15], [-43.5, -9.25], [-44.03, -9.03], [-44.25, -8.5], [-44.03, -7.97], [-43.62, -7.8], [-43.75, -7.5], [-43.53, -6.97]]]]}, "2012-02-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-43.53, -6.97], [-43.18, -6.82], [-43.03, -6.47], [-42.5, -6.25], [-41.97, -6.47], [-41.82, -6.82], [-41.75, -6.85], [-41.5, -6.75], [-41.25, -6.85], [-41.0, -6.75], [-40.75, -6.85], [-40.5, -6.75], [-39.97, -6.97], [-39.75, -7.5], [-39.97, -8.03], [-40.32, -8.18], [-40.47, -8.53], [-40.82, -8.68], [-40.97, -9.03], [-41.32, -9.18], [-41.47, -9.53], [-42.0, -9.75], [-42.25, -9.65], [-42.5, -9.75], [-43.03, -9.53], [-43.18, -9.18], [-43.25, -9.15], [-43.5, -9.25], [-44.03, -9.03], [-44.25, -8.5], [-44.03, -7.97], [-43.62, -7.8], [-43.75, -7.5], [-43.53, -6.97]]]]}, "2012-02-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-44.03, -9.03], [-44.25, -8.5], [-44.03, -7.97], [-43.5, -7.75], [-43.25, -7.85], [-43.18, -7.82], [-43.03, -7.47], [-42.5, -7.25], [-42.25, -7.35], [-42.18, -7.32], [-42.03, -6.97], [-41.5, -6.75], [-41.25, -6.85], [-41.0, -6.75], [-40.75, -6.85], [-40.5, -6.75], [-39.97, -6.97], [-39.75, -7.5], [-39.97, -8.03], [-40.32, -8.18], [-40.47, -8.53], [-40.82, -8.68], [-40.97, -9.03], [-41.32, -9.18], [-41.47, -9.53], [-42.0, -9.75], [-42.25, -9.65], [-42.5, -9.75], [-43.03, -9.53], [-43.18, -9.18], [-43.25, -9.15], [-43.5, -9.25], [-44.03, -9.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.288678893576275}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.249522233030264}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [30.58127572201363, 30.335145995878577, 29.97167994765357, 30.079570001907257, 29.801312553692412, 30.23326868666902, 30.307961294031543]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.58127572201363, 30.61103779697686, 30.608996592720644, 31.190739805776445, 31.274231644390454, 32.00379755278419, 31.67226647437593]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.233607699044512, 3.342896498328438, 2.997157128790505, 3.0580024705728044, 3.0623372596475633, 3.4373892930133567, 3.55182165625521]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.233607699044512, 3.5580177085479363, 3.415774487861711, 3.726305026942896, 3.791074714456215, 4.288678893576275, 4.147875695808011]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.572759183657362, 1.6848743329334381, 1.6153135155313143, 1.7021398110051995, 1.7452198093734017, 1.9643680804118442, 2.049756316730279]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.572759183657362, 1.8310097860692045, 1.81828697180588, 1.8858683644818128, 2.0970109756996234, 2.208731877969824, 2.3387816733444735]}}