{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:44:48.105264", "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": "2010-May-24_to_2010-Jun-03_158.0_54.5"}, "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": 2010050002444}, "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": "May 24 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 03 2010"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 11}, "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": 94456.92635053463}, "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": ["Russian Federation"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Russian-Far-East"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "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": ["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": 54.5}, "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": 158.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "158.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 156.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 162.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 52.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 57.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-05-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[158.47, 55.03], [159.0, 55.25], [159.25, 55.15], [159.5, 55.25], [160.03, 55.03], [160.25, 54.5], [160.03, 53.97], [159.68, 53.82], [159.53, 53.47], [159.18, 53.32], [159.03, 52.97], [158.5, 52.75], [157.97, 52.97], [157.75, 53.5], [157.97, 54.03], [158.32, 54.18], [158.35, 54.25], [158.25, 54.5], [158.47, 55.03]]], [[[160.75, 56.0], [160.97, 56.53], [161.5, 56.75], [161.75, 56.65], [162.0, 56.75], [162.53, 56.53], [162.75, 56.0], [162.53, 55.47], [162.0, 55.25], [161.75, 55.35], [161.5, 55.25], [160.97, 55.47], [160.75, 56.0]]]]}, "2010-05-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[156.25, 53.5], [156.47, 54.03], [157.0, 54.25], [157.25, 54.15], [157.32, 54.18], [157.35, 54.25], [157.32, 54.32], [156.97, 54.47], [156.75, 55.0], [156.85, 55.25], [156.75, 55.5], [156.97, 56.03], [157.5, 56.25], [157.8, 56.13], [157.97, 56.53], [158.5, 56.75], [159.03, 56.53], [159.25, 56.0], [159.15, 55.75], [159.25, 55.5], [159.15, 55.25], [159.18, 55.18], [159.25, 55.15], [159.32, 55.18], [159.47, 55.53], [159.82, 55.68], [159.97, 56.03], [160.32, 56.18], [160.47, 56.53], [160.82, 56.68], [160.85, 56.75], [160.75, 57.0], [160.97, 57.53], [161.5, 57.75], [161.75, 57.65], [162.0, 57.75], [162.53, 57.53], [162.68, 57.18], [163.03, 57.03], [163.25, 56.5], [163.03, 55.97], [162.68, 55.82], [162.53, 55.47], [162.0, 55.25], [161.75, 55.35], [161.68, 55.32], [161.65, 55.25], [161.68, 55.18], [162.03, 55.03], [162.25, 54.5], [162.03, 53.97], [161.5, 53.75], [161.25, 53.85], [161.0, 53.75], [160.75, 53.85], [160.5, 53.75], [160.25, 53.85], [160.13, 53.8], [160.25, 53.5], [160.03, 52.97], [159.5, 52.75], [159.25, 52.85], [159.0, 52.75], [158.75, 52.85], [158.68, 52.82], [158.53, 52.47], [158.0, 52.25], [157.75, 52.35], [157.5, 52.25], [156.97, 52.47], [156.82, 52.82], [156.47, 52.97], [156.25, 53.5]]]]}, "2010-05-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[156.46, 54.5], [156.25, 55.0], [156.47, 55.53], [156.82, 55.68], [156.97, 56.03], [157.5, 56.25], [157.8, 56.13], [157.97, 56.53], [158.5, 56.75], [158.75, 56.65], [159.0, 56.75], [159.25, 56.65], [159.5, 56.75], [160.03, 56.53], [160.2, 56.13], [160.32, 56.18], [160.47, 56.53], [160.82, 56.68], [160.85, 56.75], [160.75, 57.0], [160.97, 57.53], [161.5, 57.75], [161.75, 57.65], [162.0, 57.75], [162.53, 57.53], [162.68, 57.18], [163.03, 57.03], [163.25, 56.5], [163.03, 55.97], [162.68, 55.82], [162.53, 55.47], [162.0, 55.25], [161.75, 55.35], [161.68, 55.32], [161.65, 55.25], [161.68, 55.18], [162.03, 55.03], [162.25, 54.5], [162.03, 53.97], [161.5, 53.75], [161.25, 53.85], [161.0, 53.75], [160.75, 53.85], [160.5, 53.75], [160.25, 53.85], [160.13, 53.8], [160.25, 53.5], [160.03, 52.97], [159.5, 52.75], [159.25, 52.85], [159.0, 52.75], [158.75, 52.85], [158.68, 52.82], [158.65, 52.75], [158.75, 52.5], [158.53, 51.97], [158.0, 51.75], [157.75, 51.85], [157.5, 51.75], [156.97, 51.97], [156.75, 52.5], [156.85, 52.75], [156.82, 52.82], [156.47, 52.97], [156.25, 53.5], [156.35, 53.75], [156.25, 54.0], [156.46, 54.5]]]]}, "2010-05-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[156.35, 54.25], [156.25, 54.5], [156.35, 54.75], [156.25, 55.0], [156.47, 55.53], [156.82, 55.68], [156.97, 56.03], [157.32, 56.18], [157.47, 56.53], [158.0, 56.75], [158.25, 56.65], [158.5, 56.75], [158.75, 56.65], [159.0, 56.75], [159.25, 56.65], [159.5, 56.75], [160.03, 56.53], [160.2, 56.13], [160.32, 56.18], [160.47, 56.53], [160.82, 56.68], [160.85, 56.75], [160.75, 57.0], [160.97, 57.53], [161.5, 57.75], [161.75, 57.65], [162.0, 57.75], [162.53, 57.53], [162.68, 57.18], [163.03, 57.03], [163.25, 56.5], [163.03, 55.97], [162.68, 55.82], [162.53, 55.47], [162.0, 55.25], [161.75, 55.35], [161.68, 55.32], [161.65, 55.25], [161.68, 55.18], [162.03, 55.03], [162.25, 54.5], [162.03, 53.97], [161.5, 53.75], [161.25, 53.85], [161.0, 53.75], [160.75, 53.85], [160.5, 53.75], [160.25, 53.85], [160.13, 53.8], [160.25, 53.5], [160.03, 52.97], [159.5, 52.75], [159.25, 52.85], [159.0, 52.75], [158.75, 52.85], [158.68, 52.82], [158.65, 52.75], [158.75, 52.5], [158.53, 51.97], [158.0, 51.75], [157.75, 51.85], [157.5, 51.75], [156.97, 51.97], [156.75, 52.5], [156.85, 52.75], [156.82, 52.82], [156.47, 52.97], [156.25, 53.5], [156.35, 53.75], [156.25, 54.0], [156.35, 54.25]]]]}, "2010-05-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[156.35, 53.75], [156.25, 54.0], [156.35, 54.25], [156.25, 54.5], [156.35, 54.75], [156.25, 55.0], [156.47, 55.53], [156.82, 55.68], [156.97, 56.03], [157.32, 56.18], [157.47, 56.53], [158.0, 56.75], [158.25, 56.65], [158.5, 56.75], [158.75, 56.65], [159.0, 56.75], [159.25, 56.65], [159.5, 56.75], [160.03, 56.53], [160.25, 56.0], [160.13, 55.7], [160.25, 55.65], [160.5, 55.75], [161.03, 55.53], [161.18, 55.18], [161.25, 55.15], [161.5, 55.25], [162.03, 55.03], [162.25, 54.5], [162.03, 53.97], [161.5, 53.75], [161.25, 53.85], [161.0, 53.75], [160.47, 53.97], [160.32, 54.32], [160.25, 54.35], [160.0, 54.25], [159.75, 54.35], [159.5, 54.25], [159.25, 54.35], [159.18, 54.32], [159.15, 54.25], [159.25, 54.0], [159.15, 53.75], [159.25, 53.5], [159.03, 52.97], [158.68, 52.82], [158.65, 52.75], [158.75, 52.5], [158.53, 51.97], [158.0, 51.75], [157.75, 51.85], [157.5, 51.75], [156.97, 51.97], [156.82, 52.32], [156.47, 52.47], [156.25, 53.0], [156.35, 53.25], [156.25, 53.5], [156.35, 53.75]]]]}, "2010-05-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[156.35, 53.75], [156.25, 54.0], [156.35, 54.25], [156.25, 54.5], [156.35, 54.75], [156.25, 55.0], [156.47, 55.53], [156.82, 55.68], [156.97, 56.03], [157.32, 56.18], [157.47, 56.53], [158.0, 56.75], [158.53, 56.53], [158.75, 56.0], [158.65, 55.75], [158.75, 55.5], [158.65, 55.25], [158.68, 55.18], [159.03, 55.03], [159.25, 54.5], [159.15, 54.25], [159.25, 54.0], [159.15, 53.75], [159.25, 53.5], [159.03, 52.97], [158.5, 52.75], [158.25, 52.85], [158.18, 52.82], [158.15, 52.75], [158.25, 52.5], [158.03, 51.97], [157.5, 51.75], [156.97, 51.97], [156.82, 52.32], [156.47, 52.47], [156.25, 53.0], [156.35, 53.25], [156.25, 53.5], [156.35, 53.75]]]]}, "2010-05-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[156.35, 53.75], [156.25, 54.0], [156.47, 54.53], [156.82, 54.68], [156.85, 54.75], [156.75, 55.0], [156.85, 55.25], [156.75, 55.5], [156.97, 56.03], [157.32, 56.18], [157.47, 56.53], [158.0, 56.75], [158.53, 56.53], [158.75, 56.0], [158.65, 55.75], [158.75, 55.5], [158.53, 54.97], [158.18, 54.82], [158.15, 54.75], [158.25, 54.5], [158.15, 54.25], [158.25, 54.0], [158.15, 53.75], [158.25, 53.5], [158.04, 53.0], [158.25, 52.5], [158.03, 51.97], [157.5, 51.75], [156.97, 51.97], [156.82, 52.32], [156.47, 52.47], [156.25, 53.0], [156.35, 53.25], [156.25, 53.5], [156.35, 53.75]]]]}, "2010-05-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[156.47, 54.53], [156.82, 54.68], [156.85, 54.75], [156.75, 55.0], [156.85, 55.25], [156.75, 55.5], [156.97, 56.03], [157.32, 56.18], [157.47, 56.53], [158.0, 56.75], [158.53, 56.53], [158.68, 56.18], [159.03, 56.03], [159.25, 55.5], [159.03, 54.97], [158.68, 54.82], [158.65, 54.75], [158.75, 54.5], [158.53, 53.97], [158.18, 53.82], [158.03, 53.47], [157.68, 53.32], [157.53, 52.97], [157.0, 52.75], [156.47, 52.97], [156.25, 53.5], [156.35, 53.75], [156.25, 54.0], [156.47, 54.53]]]]}, "2010-06-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[156.47, 54.53], [156.82, 54.68], [156.85, 54.75], [156.75, 55.0], [156.85, 55.25], [156.75, 55.5], [156.97, 56.03], [157.5, 56.25], [157.75, 56.15], [158.0, 56.25], [158.25, 56.15], [158.5, 56.25], [159.03, 56.03], [159.25, 55.5], [159.03, 54.97], [158.68, 54.82], [158.65, 54.75], [158.68, 54.68], [159.03, 54.53], [159.25, 54.0], [159.15, 53.75], [159.25, 53.5], [159.03, 52.97], [158.5, 52.75], [158.0, 52.96], [157.5, 52.75], [157.25, 52.85], [157.0, 52.75], [156.47, 52.97], [156.25, 53.5], [156.35, 53.75], [156.25, 54.0], [156.47, 54.53]]]]}, "2010-06-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[156.75, 54.5], [156.85, 54.75], [156.75, 55.0], [156.85, 55.25], [156.75, 55.5], [156.97, 56.03], [157.5, 56.25], [157.75, 56.15], [158.0, 56.25], [158.25, 56.15], [158.5, 56.25], [159.03, 56.03], [159.25, 55.5], [159.03, 54.97], [158.68, 54.82], [158.65, 54.75], [158.68, 54.68], [159.03, 54.53], [159.25, 54.0], [159.15, 53.75], [159.25, 53.5], [159.03, 52.97], [158.5, 52.75], [158.0, 52.96], [157.5, 52.75], [157.25, 52.85], [157.0, 52.75], [156.47, 52.97], [156.25, 53.5], [156.47, 54.03], [156.82, 54.18], [156.85, 54.25], [156.75, 54.5]]]]}, "2010-06-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[156.85, 54.25], [156.75, 54.5], [156.97, 55.03], [157.32, 55.18], [157.47, 55.53], [157.82, 55.68], [157.97, 56.03], [158.5, 56.25], [159.03, 56.03], [159.25, 55.5], [159.03, 54.97], [158.68, 54.82], [158.65, 54.75], [158.68, 54.68], [159.03, 54.53], [159.25, 54.0], [159.15, 53.75], [159.25, 53.5], [159.03, 52.97], [158.5, 52.75], [158.0, 52.96], [157.5, 52.75], [156.97, 52.97], [156.75, 53.5], [156.85, 53.75], [156.75, 54.0], [156.85, 54.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.558242842077277}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.570315320537696}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [6.671355370658034, 7.277240495308661, 9.278827204864399, 9.952984815743264, 8.726949365564849, 7.753188309090717, 6.620712891608207, 6.833198608201258, 7.382937096253102, 7.147381085493748, 8.030325460475183]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [8.65923369278164, 10.393869662554948, 14.14027474240936, 15.465719181889142, 13.407568990359437, 10.346170468667253, 9.589821074742076, 8.05776251044324, 8.442209758084005, 8.49259961421484, 9.898724419230291]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.3337145011251343, 3.8888861584274075, 5.331506185570395, 5.862626205831996, 4.476991130645378, 4.053636933504803, 3.2767934443119513, 3.545386149301826, 3.793057135673487, 3.473029879016989, 3.941700336499966]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.517851584943912, 5.70195499436079, 8.558242842077277, 8.146699237451969, 6.3579908876362765, 5.11518245212244, 4.152392324027517, 4.457975480330219, 5.098861397022915, 4.289808014579421, 5.233250747398472]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5637479821993134, 1.8688867935242968, 2.5296250132933635, 2.7340852469924233, 2.1622249531331583, 2.0070494558714973, 1.5846713541151087, 1.638969867475609, 1.7323135202235618, 1.5146904592271146, 1.627238816816669]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7169350729104416, 2.727478323077967, 3.7765308649122895, 4.250470209556328, 2.9461420796069278, 2.7933110556567726, 1.8105871002930667, 1.9513908647850224, 2.1801934816930175, 1.7438737452001702, 2.0382177848945795]}}