{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:10.158396", "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": "2019-Feb-04_to_2019-Feb-07_253.0_24.0"}, "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": 2019020001295}, "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 04 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 07 2019"}, "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": 62064.3552602727}, "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": 24.0}, "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": 253.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "253.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 249.75}, "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": 25.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-02-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-110.75, 24.5], [-110.53, 25.03], [-110.18, 25.18], [-110.03, 25.53], [-109.5, 25.75], [-109.25, 25.65], [-109.0, 25.75], [-108.75, 25.65], [-108.5, 25.75], [-108.25, 25.65], [-108.0, 25.75], [-107.75, 25.65], [-107.5, 25.75], [-106.97, 25.53], [-106.75, 25.0], [-106.85, 24.75], [-106.82, 24.68], [-106.47, 24.53], [-106.25, 24.0], [-106.47, 23.47], [-107.0, 23.25], [-107.25, 23.35], [-107.37, 23.3], [-107.25, 23.0], [-107.47, 22.47], [-108.0, 22.25], [-108.25, 22.35], [-108.32, 22.32], [-108.47, 21.97], [-109.0, 21.75], [-109.53, 21.97], [-109.75, 22.5], [-109.65, 22.75], [-109.75, 23.0], [-109.65, 23.25], [-109.68, 23.32], [-110.03, 23.47], [-110.18, 23.82], [-110.53, 23.97], [-110.75, 24.5]]]]}, "2019-02-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-110.75, 24.5], [-110.53, 25.03], [-110.18, 25.18], [-110.03, 25.53], [-109.5, 25.75], [-109.25, 25.65], [-109.0, 25.75], [-108.75, 25.65], [-108.5, 25.75], [-108.25, 25.65], [-108.0, 25.75], [-107.75, 25.65], [-107.5, 25.75], [-106.97, 25.53], [-106.75, 25.0], [-106.85, 24.75], [-106.82, 24.68], [-106.47, 24.53], [-106.25, 24.0], [-106.47, 23.47], [-107.0, 23.25], [-107.25, 23.35], [-107.37, 23.3], [-107.25, 23.0], [-107.47, 22.47], [-108.0, 22.25], [-108.25, 22.35], [-108.32, 22.32], [-108.47, 21.97], [-109.0, 21.75], [-109.53, 21.97], [-109.75, 22.5], [-109.65, 22.75], [-109.75, 23.0], [-109.65, 23.25], [-109.68, 23.32], [-110.03, 23.47], [-110.18, 23.82], [-110.53, 23.97], [-110.75, 24.5]]]]}, "2019-02-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-110.75, 24.5], [-110.53, 25.03], [-110.18, 25.18], [-110.03, 25.53], [-109.5, 25.75], [-109.25, 25.65], [-109.0, 25.75], [-108.75, 25.65], [-108.5, 25.75], [-108.25, 25.65], [-108.0, 25.75], [-107.75, 25.65], [-107.5, 25.75], [-106.97, 25.53], [-106.75, 25.0], [-106.85, 24.75], [-106.82, 24.68], [-106.47, 24.53], [-106.25, 24.0], [-106.47, 23.47], [-107.0, 23.25], [-107.25, 23.35], [-107.37, 23.3], [-107.25, 23.0], [-107.47, 22.47], [-108.0, 22.25], [-108.25, 22.35], [-108.32, 22.32], [-108.47, 21.97], [-109.0, 21.75], [-109.53, 21.97], [-109.75, 22.5], [-109.65, 22.75], [-109.75, 23.0], [-109.65, 23.25], [-109.68, 23.32], [-110.03, 23.47], [-110.18, 23.82], [-110.53, 23.97], [-110.75, 24.5]]]]}, "2019-02-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-108.25, 25.0], [-108.03, 25.53], [-107.5, 25.75], [-106.97, 25.53], [-106.75, 25.0], [-106.87, 24.7], [-106.47, 24.53], [-106.25, 24.0], [-106.47, 23.47], [-107.0, 23.25], [-107.53, 23.47], [-107.75, 24.0], [-107.62, 24.3], [-108.03, 24.47], [-108.25, 25.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.6765728509552105}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.2087404992380435}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [21.60750240529103, 22.230397554999797, 22.249412447279894, 22.324962951657994]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [22.930929491758718, 23.239269711885868, 23.305948365408995, 22.417762805857535]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.8636458465117713, 2.4087206682195226, 2.337288321555129, 2.390973774942836]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.6765728509552105, 2.9760665182378148, 3.4084690680811036, 2.6006330224783483]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3134375846165636, 1.751598739683422, 1.6873364476966586, 1.407404462336574]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6941699248639552, 2.023118947552744, 2.181123985273639, 1.5547175152948274]}}