{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:07:43.745226", "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": "2017-Apr-12_to_2017-Apr-15_249.0_25.5"}, "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": 2017040001828}, "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": "April 12 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 15 2017"}, "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": 62204.07821462791}, "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": ["Mexico"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Central-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["North 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": ["Gulf of California", "North 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": 25.5}, "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": 249.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "249.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 248.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 253.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 22.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 25.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-04-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-110.03, 24.53], [-109.5, 24.75], [-109.0, 24.54], [-108.5, 24.75], [-107.97, 24.53], [-107.82, 24.18], [-107.75, 24.15], [-107.5, 24.25], [-106.97, 24.03], [-106.82, 23.68], [-106.47, 23.53], [-106.25, 23.0], [-106.35, 22.75], [-106.25, 22.5], [-106.47, 21.97], [-107.0, 21.75], [-107.25, 21.85], [-107.5, 21.75], [-107.75, 21.85], [-108.0, 21.75], [-108.53, 21.97], [-108.68, 22.32], [-109.03, 22.47], [-109.18, 22.82], [-109.53, 22.97], [-109.68, 23.32], [-110.03, 23.47], [-110.25, 24.0], [-110.03, 24.53]]], [[[-111.53, 24.97], [-111.75, 25.5], [-111.53, 26.03], [-111.0, 26.25], [-110.47, 26.03], [-110.25, 25.5], [-110.47, 24.97], [-111.0, 24.75], [-111.53, 24.97]]]]}, "2017-04-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-111.75, 25.5], [-111.53, 26.03], [-111.0, 26.25], [-110.75, 26.15], [-110.5, 26.25], [-109.97, 26.03], [-109.8, 25.63], [-109.5, 25.75], [-108.97, 25.53], [-108.75, 25.0], [-108.85, 24.75], [-108.82, 24.68], [-108.75, 24.65], [-108.5, 24.75], [-107.97, 24.53], [-107.82, 24.18], [-107.75, 24.15], [-107.5, 24.25], [-106.97, 24.03], [-106.82, 23.68], [-106.47, 23.53], [-106.25, 23.0], [-106.35, 22.75], [-106.25, 22.5], [-106.47, 21.97], [-107.0, 21.75], [-107.25, 21.85], [-107.5, 21.75], [-107.75, 21.85], [-108.0, 21.75], [-108.53, 21.97], [-108.68, 22.32], [-109.03, 22.47], [-109.18, 22.82], [-109.53, 22.97], [-109.68, 23.32], [-109.75, 23.35], [-110.0, 23.25], [-110.53, 23.47], [-110.68, 23.82], [-111.03, 23.97], [-111.25, 24.5], [-111.15, 24.75], [-111.18, 24.82], [-111.53, 24.97], [-111.75, 25.5]]]]}, "2017-04-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-111.75, 25.5], [-111.53, 26.03], [-111.0, 26.25], [-110.75, 26.15], [-110.5, 26.25], [-109.97, 26.03], [-109.8, 25.63], [-109.5, 25.75], [-108.97, 25.53], [-108.75, 25.0], [-108.85, 24.75], [-108.82, 24.68], [-108.75, 24.65], [-108.5, 24.75], [-107.97, 24.53], [-107.82, 24.18], [-107.75, 24.15], [-107.5, 24.25], [-106.97, 24.03], [-106.82, 23.68], [-106.47, 23.53], [-106.25, 23.0], [-106.35, 22.75], [-106.25, 22.5], [-106.47, 21.97], [-107.0, 21.75], [-107.25, 21.85], [-107.5, 21.75], [-107.75, 21.85], [-108.0, 21.75], [-108.53, 21.97], [-108.68, 22.32], [-109.03, 22.47], [-109.18, 22.82], [-109.53, 22.97], [-109.68, 23.32], [-109.75, 23.35], [-110.0, 23.25], [-110.53, 23.47], [-110.68, 23.82], [-111.03, 23.97], [-111.25, 24.5], [-111.15, 24.75], [-111.18, 24.82], [-111.53, 24.97], [-111.75, 25.5]]]]}, "2017-04-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-111.75, 25.5], [-111.53, 26.03], [-111.0, 26.25], [-110.75, 26.15], [-110.5, 26.25], [-109.97, 26.03], [-109.8, 25.63], [-109.5, 25.75], [-108.97, 25.53], [-108.75, 25.0], [-108.85, 24.75], [-108.82, 24.68], [-108.47, 24.53], [-108.25, 24.0], [-108.47, 23.47], [-109.0, 23.25], [-109.5, 23.46], [-110.0, 23.25], [-110.53, 23.47], [-110.68, 23.82], [-111.03, 23.97], [-111.25, 24.5], [-111.15, 24.75], [-111.18, 24.82], [-111.53, 24.97], [-111.75, 25.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.51326723499983}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.7380283163629122}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.614503985775343, 23.603285828854666, 23.635956584385838, 23.38194704656655]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.08088111536125, 24.265062004984145, 25.27200196105673, 24.488580196773853]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.6055248289459558, 1.765164977381514, 1.7615098324665697, 1.8204115304904336]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.9696900524320426, 2.554966768550514, 3.51326723499983, 2.594423488724715]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4969902476610142, 1.5739678657097824, 1.5661293848151445, 1.4950655867588099]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6950728339461987, 1.8551581072448138, 1.9751030181517404, 1.6171823571744894]}}