{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:08.118258", "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": "2016-Aug-13_to_2016-Aug-18_244.0_32.0"}, "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": 2016080002011}, "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 13 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 18 2016"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 177140.05860916348}, "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", "United States"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Central-America", "W.North-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": 32.0}, "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": 244.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "244.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 242.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 249.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 29.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 35.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-08-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-116.25, 33.5], [-116.03, 34.03], [-115.5, 34.25], [-115.2, 34.13], [-115.03, 34.53], [-114.5, 34.75], [-114.07, 34.57], [-114.25, 35.0], [-114.03, 35.53], [-113.5, 35.75], [-112.97, 35.53], [-112.75, 35.0], [-112.97, 34.47], [-113.5, 34.25], [-113.93, 34.43], [-113.75, 34.0], [-113.97, 33.47], [-114.5, 33.25], [-114.8, 33.38], [-114.87, 33.2], [-114.47, 33.03], [-114.25, 32.5], [-114.47, 31.97], [-115.0, 31.75], [-115.53, 31.97], [-115.75, 32.5], [-115.62, 32.8], [-116.03, 32.97], [-116.25, 33.5]]]]}, "2016-08-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-117.53, 34.53], [-117.0, 34.75], [-116.5, 34.54], [-116.0, 34.75], [-115.75, 34.65], [-115.68, 34.68], [-115.53, 35.03], [-115.18, 35.18], [-115.15, 35.25], [-115.25, 35.5], [-115.03, 36.03], [-114.5, 36.25], [-113.97, 36.03], [-113.82, 35.68], [-113.75, 35.65], [-113.5, 35.75], [-112.97, 35.53], [-112.75, 35.0], [-112.97, 34.47], [-113.32, 34.32], [-113.35, 34.25], [-113.25, 34.0], [-113.47, 33.47], [-113.82, 33.32], [-113.85, 33.25], [-113.82, 33.18], [-113.75, 33.15], [-113.5, 33.25], [-113.25, 33.15], [-113.0, 33.25], [-112.47, 33.03], [-112.32, 32.68], [-111.97, 32.53], [-111.75, 32.0], [-111.97, 31.47], [-112.32, 31.32], [-112.47, 30.97], [-113.0, 30.75], [-113.25, 30.85], [-113.5, 30.75], [-113.75, 30.85], [-114.0, 30.75], [-114.3, 30.88], [-114.35, 30.75], [-114.25, 30.5], [-114.47, 29.97], [-115.0, 29.75], [-115.25, 29.85], [-115.5, 29.75], [-116.03, 29.97], [-116.18, 30.32], [-116.53, 30.47], [-116.68, 30.82], [-117.03, 30.97], [-117.25, 31.5], [-117.15, 31.75], [-117.25, 32.0], [-117.15, 32.25], [-117.25, 32.5], [-117.15, 32.75], [-117.18, 32.82], [-117.53, 32.97], [-117.75, 33.5], [-117.65, 33.75], [-117.75, 34.0], [-117.53, 34.53]]]]}, "2016-08-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-117.54, 33.0], [-117.75, 33.5], [-117.65, 33.75], [-117.75, 34.0], [-117.53, 34.53], [-117.0, 34.75], [-116.5, 34.54], [-116.0, 34.75], [-115.75, 34.65], [-115.68, 34.68], [-115.53, 35.03], [-115.18, 35.18], [-115.15, 35.25], [-115.25, 35.5], [-115.03, 36.03], [-114.5, 36.25], [-113.97, 36.03], [-113.82, 35.68], [-113.75, 35.65], [-113.5, 35.75], [-112.97, 35.53], [-112.75, 35.0], [-112.96, 34.5], [-112.75, 34.0], [-112.85, 33.75], [-112.75, 33.5], [-112.85, 33.25], [-112.82, 33.18], [-112.47, 33.03], [-112.32, 32.68], [-112.25, 32.65], [-112.0, 32.75], [-111.47, 32.53], [-111.25, 32.0], [-111.35, 31.75], [-111.25, 31.5], [-111.35, 31.25], [-111.25, 31.0], [-111.35, 30.75], [-111.32, 30.68], [-110.97, 30.53], [-110.75, 30.0], [-110.97, 29.47], [-111.5, 29.25], [-112.03, 29.47], [-112.18, 29.82], [-112.53, 29.97], [-112.75, 30.5], [-112.65, 30.75], [-112.68, 30.82], [-112.75, 30.85], [-113.0, 30.75], [-113.25, 30.85], [-113.5, 30.75], [-113.75, 30.85], [-114.0, 30.75], [-114.3, 30.88], [-114.35, 30.75], [-114.25, 30.5], [-114.47, 29.97], [-115.0, 29.75], [-115.25, 29.85], [-115.5, 29.75], [-116.03, 29.97], [-116.18, 30.32], [-116.25, 30.35], [-116.5, 30.25], [-117.03, 30.47], [-117.25, 31.0], [-117.15, 31.25], [-117.18, 31.32], [-117.53, 31.47], [-117.75, 32.0], [-117.65, 32.25], [-117.75, 32.5], [-117.54, 33.0]]]]}, "2016-08-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-117.54, 33.0], [-117.75, 33.5], [-117.65, 33.75], [-117.75, 34.0], [-117.53, 34.53], [-117.0, 34.75], [-116.5, 34.54], [-116.0, 34.75], [-115.75, 34.65], [-115.68, 34.68], [-115.53, 35.03], [-115.18, 35.18], [-115.15, 35.25], [-115.25, 35.5], [-115.03, 36.03], [-114.5, 36.25], [-113.97, 36.03], [-113.82, 35.68], [-113.75, 35.65], [-113.5, 35.75], [-112.97, 35.53], [-112.75, 35.0], [-112.96, 34.5], [-112.75, 34.0], [-112.85, 33.75], [-112.75, 33.5], [-112.85, 33.25], [-112.82, 33.18], [-112.47, 33.03], [-112.32, 32.68], [-112.25, 32.65], [-112.0, 32.75], [-111.47, 32.53], [-111.25, 32.0], [-111.35, 31.75], [-111.25, 31.5], [-111.35, 31.25], [-111.25, 31.0], [-111.35, 30.75], [-111.32, 30.68], [-111.25, 30.65], [-111.0, 30.75], [-110.47, 30.53], [-110.25, 30.0], [-110.35, 29.75], [-110.25, 29.5], [-110.47, 28.97], [-111.0, 28.75], [-111.53, 28.97], [-111.68, 29.32], [-112.03, 29.47], [-112.18, 29.82], [-112.53, 29.97], [-112.75, 30.5], [-112.65, 30.75], [-112.68, 30.82], [-112.75, 30.85], [-113.0, 30.75], [-113.25, 30.85], [-113.5, 30.75], [-113.75, 30.85], [-114.0, 30.75], [-114.3, 30.88], [-114.35, 30.75], [-114.25, 30.5], [-114.47, 29.97], [-115.0, 29.75], [-115.25, 29.85], [-115.5, 29.75], [-116.03, 29.97], [-116.18, 30.32], [-116.25, 30.35], [-116.5, 30.25], [-117.03, 30.47], [-117.25, 31.0], [-117.15, 31.25], [-117.18, 31.32], [-117.53, 31.47], [-117.75, 32.0], [-117.65, 32.25], [-117.75, 32.5], [-117.54, 33.0]]]]}, "2016-08-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-117.54, 33.0], [-117.75, 33.5], [-117.65, 33.75], [-117.75, 34.0], [-117.53, 34.53], [-117.0, 34.75], [-116.47, 34.53], [-116.3, 34.13], [-116.18, 34.18], [-116.03, 34.53], [-115.5, 34.75], [-115.2, 34.63], [-115.03, 35.03], [-114.5, 35.25], [-113.97, 35.03], [-113.82, 34.68], [-113.75, 34.65], [-113.5, 34.75], [-112.97, 34.53], [-112.75, 34.0], [-112.85, 33.75], [-112.75, 33.5], [-112.85, 33.25], [-112.82, 33.18], [-112.47, 33.03], [-112.32, 32.68], [-112.25, 32.65], [-112.0, 32.75], [-111.47, 32.53], [-111.25, 32.0], [-111.35, 31.75], [-111.25, 31.5], [-111.35, 31.25], [-111.25, 31.0], [-111.35, 30.75], [-111.32, 30.68], [-111.25, 30.65], [-111.0, 30.75], [-110.47, 30.53], [-110.25, 30.0], [-110.35, 29.75], [-110.25, 29.5], [-110.47, 28.97], [-111.0, 28.75], [-111.53, 28.97], [-111.68, 29.32], [-112.03, 29.47], [-112.18, 29.82], [-112.53, 29.97], [-112.75, 30.5], [-112.65, 30.75], [-112.68, 30.82], [-113.03, 30.97], [-113.25, 31.5], [-113.15, 31.75], [-113.18, 31.82], [-113.25, 31.85], [-113.5, 31.75], [-113.75, 31.85], [-114.0, 31.75], [-114.53, 31.97], [-114.75, 32.5], [-114.65, 32.75], [-114.75, 33.0], [-114.65, 33.25], [-114.68, 33.32], [-114.8, 33.38], [-114.97, 32.97], [-115.32, 32.82], [-115.35, 32.75], [-115.25, 32.5], [-115.35, 32.25], [-115.32, 32.18], [-114.97, 32.03], [-114.82, 31.68], [-114.47, 31.53], [-114.25, 31.0], [-114.35, 30.75], [-114.25, 30.5], [-114.47, 29.97], [-115.0, 29.75], [-115.25, 29.85], [-115.5, 29.75], [-116.03, 29.97], [-116.2, 30.38], [-116.5, 30.25], [-117.03, 30.47], [-117.25, 31.0], [-117.15, 31.25], [-117.18, 31.32], [-117.53, 31.47], [-117.75, 32.0], [-117.65, 32.25], [-117.75, 32.5], [-117.54, 33.0]]]]}, "2016-08-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-112.03, 30.53], [-111.5, 30.75], [-111.25, 30.65], [-111.0, 30.75], [-110.47, 30.53], [-110.25, 30.0], [-110.35, 29.75], [-110.25, 29.5], [-110.47, 28.97], [-111.0, 28.75], [-111.53, 28.97], [-111.68, 29.32], [-112.03, 29.47], [-112.25, 30.0], [-112.03, 30.53]]], [[[-116.53, 31.47], [-116.75, 32.0], [-116.53, 32.53], [-116.0, 32.75], [-115.47, 32.53], [-115.25, 32.0], [-115.47, 31.47], [-116.0, 31.25], [-116.53, 31.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.782487650866642}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.46089522271618}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [35.64060367680298, 34.599476571442835, 34.59775453811642, 34.2462146094764, 32.64499502437536, 30.45334807092422]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [38.17259346078038, 39.66717229827253, 39.779098986118754, 39.12272489206606, 38.30516993956445, 32.49703457872562]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.771321808247066, 3.371359925334368, 3.7382135536065424, 3.5002765374763936, 3.20100503441876, 2.733067122582881]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.8953694494455817, 4.331926719213129, 5.213242188408117, 5.782487650866642, 5.390069229722542, 3.1456652609711]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3523851510128106, 1.7069857752601174, 1.9010769420952913, 1.7961796800077332, 1.5677003931558737, 1.5351835601353299]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.591300762493889, 2.3320055703357108, 2.356011621194646, 2.4198855263892924, 2.193058575354262, 1.8761415639422818]}}