<?xml version="1.0" ?>
<konrad3d data_model_name="KONRAD3D" data_model_version="1.4">
	<head>
		<metadata>
			<reference_time format="ISO 8601">2026-04-18T17:50:00Z</reference_time>
			<ensemble_member_id>0</ensemble_member_id>
		</metadata>
		<product>
			<system>KONRAD3D</system>
			<title>Detection and tracking of convective cells at DWD</title>
			<creation-date>2026-04-18T17:54:43Z</creation-date>
			<run>
				<name>konrad3d_1.7</name>
				<description>KONRAD3D 1.7 Operational</description>
				<ensemble_member_id>0</ensemble_member_id>
			</run>
			<source>
				<server>k3d_op1</server>
				<software-version>POLARA_konrad3d_1.7_op.017</software-version>
			</source>
			<associated_grid_projection>
				<polara_grid_id>DE4800_WGS84</polara_grid_id>
				<projection_type>polar_stereographic</projection_type>
				<earth_axes unit="m">
					<major_axis>6378137</major_axis>
					<minor_axis>6356752</minor_axis>
				</earth_axes>
				<grid_resolution unit="m">
					<vertical>250</vertical>
					<horizontal>250</horizontal>
				</grid_resolution>
				<grid_size unit="pixel_in_projection">
					<row>4800.000</row>
					<column>4400.000</column>
				</grid_size>
				<projection_origin unit="degrees">
					<latitude>90.00000</latitude>
					<longitude>10.00000</longitude>
				</projection_origin>
				<latitude_of_true_scale unit="degrees">60.00000</latitude_of_true_scale>
				<distance_upper_left_corner_to_projection_origin unit="m">
					<x0_offset>-543697</x0_offset>
					<y0_offset>-3622089</y0_offset>
				</distance_upper_left_corner_to_projection_origin>
				<proj4_init_string>+proj=stere +lat_0=90 +lat_ts=60 +lon_0=10 +a=6378137 +b=6356752.3142451802 +no_defs +x_0=543571.83521776402 +y_0=3622213.8619310022</proj4_init_string>
				<projected_area unit="degrees">
					<upper_left_corner>55.86209 1.46330</upper_left_corner>
					<upper_right_corner>55.84544 18.73162</upper_right_corner>
					<lower_left_corner>45.69643 3.56699</lower_left_corner>
					<lower_right_corner>45.68461 16.58087</lower_right_corner>
				</projected_area>
			</associated_grid_projection>
		</product>
		<data>
			<radar>
				<source>Zh</source>
				<type>quality assured radar data</type>
				<init_time>20260418_1750</init_time>
				<available_sweeps>
					<elevations site="asb">0.8 0.5 1.5 2.5 3.5 4.5 5.5 8.0 12.0 17.0 25.0</elevations>
					<elevations site="boo">0.8 0.5 1.5 2.5 3.5 4.5 5.5 8.0 12.0 17.0 25.0</elevations>
					<elevations site="drs">0.8 0.5 1.5 2.5 3.5 4.5 5.5 8.0 12.0 17.0 25.0</elevations>
					<elevations site="eis">0.8 0.5 1.5 2.5 3.5 4.5 5.5 8.0 12.0 17.0 25.0</elevations>
					<elevations site="ess">0.8 0.5 1.5 2.5 3.5 4.5 5.5 8.0 12.0 17.0 25.0</elevations>
					<elevations site="fbg">0.8 0.5 1.5 2.5 3.5 4.5 5.5 8.0 12.0 17.0 25.0</elevations>
					<elevations site="fld">0.8 0.5 1.5 2.5 3.5 4.5 5.5 8.0 12.0 17.0 25.0</elevations>
					<elevations site="hnr">0.8 0.5 1.5 2.5 3.5 4.5 5.5 8.0 12.0 17.0 25.0</elevations>
					<elevations site="isn">0.8 0.5 1.5 2.5 3.5 4.5 5.5 8.0 12.0 17.0 25.0</elevations>
					<elevations site="mem">0.8 0.5 1.5 2.5 3.5 4.5 5.5 8.0 12.0 17.0 25.0</elevations>
					<elevations site="neu">0.8 0.5 1.5 2.5 3.5 4.5 5.5 8.0 12.0 17.0 25.0</elevations>
					<elevations site="nhb">0.8 0.5 1.5 2.5 3.5 4.5 5.5 8.0 12.0 17.0 25.0</elevations>
					<elevations site="oft">0.8 0.5 1.5 2.5 3.5 4.5 5.5 8.0 12.0 17.0 25.0</elevations>
					<elevations site="pro">0.8 0.5 1.5 2.5 3.5 4.5 5.5 8.0 12.0 17.0 25.0</elevations>
					<elevations site="ros">0.8 0.5 1.5 2.5 3.5 4.5 5.5 8.0 12.0 17.0 25.0</elevations>
					<elevations site="tur">0.8 0.5 1.5 2.5 3.5 4.5 5.5 8.0 12.0 17.0 25.0</elevations>
					<elevations site="umd">0.8 0.5 1.5 2.5 3.5 4.5 5.5 8.0 12.0 17.0 25.0</elevations>
				</available_sweeps>
			</radar>
		</data>
	</head>
	<cells reference_time="2026-04-18T17:50:00Z" ensemble_member_id="0">
		<feature identifier="17" type="3D_reflectivity_feature">
			<metadata>
				<identifier>17</identifier>
				<code>2026041816500000000000</code>
				<reference_time format="ISO 8601">2026-04-18T17:50:00Z</reference_time>
				<dimension>3</dimension>
				<number_2D_features>6</number_2D_features>
				<contributing_sweeps>
					<elevations site="drs">0.8 0.5</elevations>
					<elevations site="neu">0.8 0.5</elevations>
					<elevations site="umd">0.8 0.5</elevations>
				</contributing_sweeps>
			</metadata>
			<geometry>
				<covered_area unit="km^2">63.125000</covered_area>
				<area_growth_rate>0.79</area_growth_rate>
				<centroid_3d>
					<geodetic_coordinate>
						<latitude unit="degrees">51.33850</latitude>
						<longitude unit="degrees">12.03011</longitude>
						<height_msl unit="m">2441</height_msl>
					</geodetic_coordinate>
					<uncertainty_ellipse>
						<major_axis unit="km">1.390</major_axis>
						<minor_axis unit="km">0.705</minor_axis>
						<angle unit="degrees">108.53</angle>
					</uncertainty_ellipse>
				</centroid_3d>
				<echo_top_msl unit="m">4012</echo_top_msl>
				<echo_bottom_msl unit="m">855</echo_bottom_msl>
				<vertical_extent unit="m">3156</vertical_extent>
				<volume unit="km^3">180.375000000</volume>
				<polygons_projected>
					<geodetic_coordinates>
						<polygon no="0" unit="degrees">
							<latitudes>51.37788 51.37359 51.36946 51.37067 51.37289 51.37303 51.37096 51.37104 51.36690 51.36712 51.36298 51.36305 51.36098 51.35883 51.35219 51.34790 51.34346 51.34132 51.33689 51.33474 51.33031 51.32817 51.32373 51.32314 51.31870 51.31013 51.30791 51.30776 51.30554 51.30485 51.30263 51.30193 51.29971 51.29963 51.30170 51.30162 51.30368 51.30305 51.30519 51.31630 51.31845 51.32734 51.33376 51.33821 51.33829 51.34273 51.35345 51.35567 51.35582 51.35805 51.35820 51.36042 51.36050 51.36494 51.37780</latitudes>
							<longitudes>12.05276 12.05252 12.04542 11.99062 11.98731 11.98046 11.97692 11.97349 11.96641 11.95613 11.94905 11.94563 11.94209 11.94197 11.95189 11.95166 11.95827 11.95815 11.96476 11.96465 11.97125 11.97114 11.97774 12.00511 12.01171 12.01123 12.01453 12.02137 12.02466 12.05543 12.05873 12.08949 12.09279 12.09621 12.09975 12.10317 12.10671 12.13406 12.13419 12.11773 12.11785 12.10468 12.10505 12.09846 12.09504 12.08844 12.08907 12.08577 12.07892 12.07562 12.06878 12.06548 12.06205 12.05545 12.05619</longitudes>
						</polygon>
					</geodetic_coordinates>
				</polygons_projected>
				<ground_elevation_of_cell_position unit="m">87</ground_elevation_of_cell_position>
				<accumulated_elevation_change unit="m">-32</accumulated_elevation_change>
				<number_adjacent_cells_depending_on_range>
					<number_adjacent_cells range="4.000 km">0</number_adjacent_cells>
					<number_adjacent_cells range="8.000 km">0</number_adjacent_cells>
					<number_adjacent_cells range="12.000 km">0</number_adjacent_cells>
					<number_adjacent_cells range="16.000 km">0</number_adjacent_cells>
					<number_adjacent_cells range="20.000 km">0</number_adjacent_cells>
					<number_adjacent_cells range="2000.000 km">0</number_adjacent_cells>
				</number_adjacent_cells_depending_on_range>
			</geometry>
			<intensity>
				<severity unit="severity_points">0</severity>
				<severity_decimal unit="severity_points">0.19</severity_decimal>
				<severity_unconsolidated unit="severity_points">0</severity_unconsolidated>
				<severity_decimal_unconsolidated unit="severity_points">0.19</severity_decimal_unconsolidated>
				<area_of_projected_polygon_above_threshold unit="km^2">
					<area_of_projected_polygon threshold="30 dBZ">63.125000</area_of_projected_polygon>
					<area_of_projected_polygon threshold="35 dBZ">63.125000</area_of_projected_polygon>
					<area_of_projected_polygon threshold="40 dBZ">63.125000</area_of_projected_polygon>
					<area_of_projected_polygon threshold="45 dBZ">36.687500</area_of_projected_polygon>
					<area_of_projected_polygon threshold="50 dBZ">7.000000</area_of_projected_polygon>
					<area_of_projected_polygon threshold="55 dBZ">0.000000</area_of_projected_polygon>
					<area_of_projected_polygon threshold="60 dBZ">0.000000</area_of_projected_polygon>
					<area_of_projected_polygon threshold="65 dBZ">0.000000</area_of_projected_polygon>
				</area_of_projected_polygon_above_threshold>
				<area_above_50_dBZ_ratio>0.11</area_above_50_dBZ_ratio>
				<area_above_55_dBZ_ratio>0.00</area_above_55_dBZ_ratio>
				<echo_top_threshold unit="m">
					<echo_top threshold="30 dBZ">3955</echo_top>
					<echo_top threshold="35 dBZ">3955</echo_top>
					<echo_top threshold="40 dBZ">3955</echo_top>
					<echo_top threshold="45 dBZ">3916</echo_top>
					<echo_top threshold="50 dBZ">3876</echo_top>
					<echo_top threshold="55 dBZ">0</echo_top>
					<echo_top threshold="60 dBZ">0</echo_top>
					<echo_top threshold="65 dBZ">0</echo_top>
				</echo_top_threshold>
				<volume_above_threshold unit="km^3">
					<volume threshold="30 dBZ">180.375000000</volume>
					<volume threshold="35 dBZ">180.375000000</volume>
					<volume threshold="40 dBZ">180.375000000</volume>
					<volume threshold="45 dBZ">103.500000000</volume>
					<volume threshold="50 dBZ">16.890625000</volume>
					<volume threshold="55 dBZ">0.000000000</volume>
					<volume threshold="60 dBZ">0.000000000</volume>
					<volume threshold="65 dBZ">0.000000000</volume>
				</volume_above_threshold>
				<volume_above_50_dBZ_ratio>0.09</volume_above_50_dBZ_ratio>
				<volume_above_55_dBZ_ratio>0.00</volume_above_55_dBZ_ratio>
				<blue_chimney_mean_vertical_extent unit="m">0</blue_chimney_mean_vertical_extent>
				<hail_flag>0</hail_flag>
				<heavy_rain_flag>0</heavy_rain_flag>
				<gust_flag>0</gust_flag>
				<maximum_estimated_wind_gust unit="km/h">50.468</maximum_estimated_wind_gust>
				<cell_based_VIL unit="kg/m^2">6.115</cell_based_VIL>
				<cell_based_VIL_density unit="g/m^3">1.524</cell_based_VIL_density>
				<mass unit="db(km^3.z)">159.410</mass>
				<min_value unit="dBZ">41.85</min_value>
				<max_value unit="dBZ">51.71</max_value>
				<average_value unit="dBZ">46.85</average_value>
				<heavy_rain_potential unit="mm">5.67</heavy_rain_potential>
				<heavy_rain_potential_accumulation_time unit="min">60</heavy_rain_potential_accumulation_time>
				<number_pixels>348</number_pixels>
				<trends>
					<severity_trend unit="severity_points/5min">-0.008</severity_trend>
					<severity_trend_category unit="severity_trend_category">0</severity_trend_category>
					<cell_based_VIL_trend unit="(kg/m^2)/5min">-1.69</cell_based_VIL_trend>
					<max_value_trend unit="dBZ/5min">-0.46</max_value_trend>
					<area_of_projected_polygon_above_45_dBZ_trend unit="km^2/5min">-1.500</area_of_projected_polygon_above_45_dBZ_trend>
					<echo_top_45_dBZ_trend unit="m/5min">-761</echo_top_45_dBZ_trend>
					<mass_trend unit="db(km^3.z)/5min">-0.050</mass_trend>
				</trends>
			</intensity>
			<hymec>
				<echo_top_rain_hail unit="m">-1000000000</echo_top_rain_hail>
				<echo_top_hail unit="m">-1000000000</echo_top_hail>
				<echo_top_large_hail unit="m">-1000000000</echo_top_large_hail>
				<echo_top_hail_total unit="m">-1000000000</echo_top_hail_total>
				<echo_bottom_rain_hail unit="m">-1000000000</echo_bottom_rain_hail>
				<echo_bottom_hail unit="m">-1000000000</echo_bottom_hail>
				<echo_bottom_large_hail unit="m">-1000000000</echo_bottom_large_hail>
				<echo_bottom_hail_total unit="m">-1000000000</echo_bottom_hail_total>
				<area_rain_hail unit="km^2">0.000000</area_rain_hail>
				<area_hail unit="km^2">0.000000</area_hail>
				<area_large_hail unit="km^2">0.000000</area_large_hail>
				<area_hail_total unit="km^2">0.000000</area_hail_total>
				<volume_rain_hail unit="km^3">0.000000000</volume_rain_hail>
				<volume_hail unit="km^3">0.000000000</volume_hail>
				<volume_large_hail unit="km^3">0.000000000</volume_large_hail>
				<volume_hail_total unit="km^3">0.000000000</volume_hail_total>
			</hymec>
			<lightning>
				<lightning_rate unit="strokes/5min">10</lightning_rate>
				<lightning_density unit="strokes/(5min*km^2)">0.158</lightning_density>
				<lightning_rate_history unit="strokes/5min">20 7 5</lightning_rate_history>
				<reference_time_last_lightning_jump format="ISO 8601">not-a-date-time</reference_time_last_lightning_jump>
				<seconds_since_last_lightning_jump>-1000000000</seconds_since_last_lightning_jump>
				<number_detected_lightning_jumps>0</number_detected_lightning_jumps>
			</lightning>
			<tracking>
				<reference_time_first_detection format="ISO 8601">2026-04-18T16:25:00Z</reference_time_first_detection>
				<number_detections>18</number_detections>
				<mergers>
					<merge_event>false</merge_event>
					<reference_time_last_merge format="ISO 8601">not-a-date-time</reference_time_last_merge>
					<number_merge_events_along_track>0</number_merge_events_along_track>
				</mergers>
				<splits>
					<split_event>false</split_event>
					<reference_time_last_split format="ISO 8601">2026-04-18T16:50:00Z</reference_time_last_split>
					<number_split_events_along_track>1</number_split_events_along_track>
				</splits>
				<predecessors>
					<predecessor>
						<identifier>17</identifier>
						<code>2026041816500000000000</code>
						<time format="ISO 8601">2026-04-18T17:45:00Z</time>
						<probability unit="%">100.00</probability>
					</predecessor>
				</predecessors>
				<cell_speed unit="km/h">50.468</cell_speed>
			</tracking>
			<forecast>
				<centroid_forecasts>
					<centroid_forecast forecast_time="2026-04-18T17:55:00Z">
						<geodetic_coordinate>
							<latitude unit="degrees">51.33306</latitude>
							<longitude unit="degrees">12.08706</longitude>
						</geodetic_coordinate>
						<uncertainty_ellipse>
							<major_axis unit="km">2.659</major_axis>
							<minor_axis unit="km">2.065</minor_axis>
							<angle unit="degrees">108.23</angle>
						</uncertainty_ellipse>
					</centroid_forecast>
					<centroid_forecast forecast_time="2026-04-18T18:00:00Z">
						<geodetic_coordinate>
							<latitude unit="degrees">51.32758</latitude>
							<longitude unit="degrees">12.14404</longitude>
						</geodetic_coordinate>
						<uncertainty_ellipse>
							<major_axis unit="km">4.431</major_axis>
							<minor_axis unit="km">3.848</minor_axis>
							<angle unit="degrees">108.54</angle>
						</uncertainty_ellipse>
					</centroid_forecast>
					<centroid_forecast forecast_time="2026-04-18T18:05:00Z">
						<geodetic_coordinate>
							<latitude unit="degrees">51.32206</latitude>
							<longitude unit="degrees">12.20103</longitude>
						</geodetic_coordinate>
						<uncertainty_ellipse>
							<major_axis unit="km">6.610</major_axis>
							<minor_axis unit="km">6.017</minor_axis>
							<angle unit="degrees">108.89</angle>
						</uncertainty_ellipse>
					</centroid_forecast>
					<centroid_forecast forecast_time="2026-04-18T18:10:00Z">
						<geodetic_coordinate>
							<latitude unit="degrees">51.31650</latitude>
							<longitude unit="degrees">12.25804</longitude>
						</geodetic_coordinate>
						<uncertainty_ellipse>
							<major_axis unit="km">9.130</major_axis>
							<minor_axis unit="km">8.517</minor_axis>
							<angle unit="degrees">109.18</angle>
						</uncertainty_ellipse>
					</centroid_forecast>
					<centroid_forecast forecast_time="2026-04-18T18:15:00Z">
						<geodetic_coordinate>
							<latitude unit="degrees">51.31089</latitude>
							<longitude unit="degrees">12.31506</longitude>
						</geodetic_coordinate>
						<uncertainty_ellipse>
							<major_axis unit="km">11.946</major_axis>
							<minor_axis unit="km">11.309</minor_axis>
							<angle unit="degrees">109.42</angle>
						</uncertainty_ellipse>
					</centroid_forecast>
					<centroid_forecast forecast_time="2026-04-18T18:20:00Z">
						<geodetic_coordinate>
							<latitude unit="degrees">51.30524</latitude>
							<longitude unit="degrees">12.37210</longitude>
						</geodetic_coordinate>
						<uncertainty_ellipse>
							<major_axis unit="km">15.027</major_axis>
							<minor_axis unit="km">14.366</minor_axis>
							<angle unit="degrees">109.61</angle>
						</uncertainty_ellipse>
					</centroid_forecast>
					<centroid_forecast forecast_time="2026-04-18T18:25:00Z">
						<geodetic_coordinate>
							<latitude unit="degrees">51.29955</latitude>
							<longitude unit="degrees">12.42916</longitude>
						</geodetic_coordinate>
						<uncertainty_ellipse>
							<major_axis unit="km">18.353</major_axis>
							<minor_axis unit="km">17.666</minor_axis>
							<angle unit="degrees">109.77</angle>
						</uncertainty_ellipse>
					</centroid_forecast>
					<centroid_forecast forecast_time="2026-04-18T18:30:00Z">
						<geodetic_coordinate>
							<latitude unit="degrees">51.29381</latitude>
							<longitude unit="degrees">12.48623</longitude>
						</geodetic_coordinate>
						<uncertainty_ellipse>
							<major_axis unit="km">21.905</major_axis>
							<minor_axis unit="km">21.193</minor_axis>
							<angle unit="degrees">109.90</angle>
						</uncertainty_ellipse>
					</centroid_forecast>
					<centroid_forecast forecast_time="2026-04-18T18:35:00Z">
						<geodetic_coordinate>
							<latitude unit="degrees">51.28803</latitude>
							<longitude unit="degrees">12.54332</longitude>
						</geodetic_coordinate>
						<uncertainty_ellipse>
							<major_axis unit="km">25.670</major_axis>
							<minor_axis unit="km">24.932</minor_axis>
							<angle unit="degrees">110.01</angle>
						</uncertainty_ellipse>
					</centroid_forecast>
					<centroid_forecast forecast_time="2026-04-18T18:40:00Z">
						<geodetic_coordinate>
							<latitude unit="degrees">51.28221</latitude>
							<longitude unit="degrees">12.60042</longitude>
						</geodetic_coordinate>
						<uncertainty_ellipse>
							<major_axis unit="km">29.636</major_axis>
							<minor_axis unit="km">28.873</minor_axis>
							<angle unit="degrees">110.10</angle>
						</uncertainty_ellipse>
					</centroid_forecast>
					<centroid_forecast forecast_time="2026-04-18T18:45:00Z">
						<geodetic_coordinate>
							<latitude unit="degrees">51.27634</latitude>
							<longitude unit="degrees">12.65753</longitude>
						</geodetic_coordinate>
						<uncertainty_ellipse>
							<major_axis unit="km">33.793</major_axis>
							<minor_axis unit="km">33.006</minor_axis>
							<angle unit="degrees">110.18</angle>
						</uncertainty_ellipse>
					</centroid_forecast>
					<centroid_forecast forecast_time="2026-04-18T18:50:00Z">
						<geodetic_coordinate>
							<latitude unit="degrees">51.27044</latitude>
							<longitude unit="degrees">12.71466</longitude>
						</geodetic_coordinate>
						<uncertainty_ellipse>
							<major_axis unit="km">38.133</major_axis>
							<minor_axis unit="km">37.322</minor_axis>
							<angle unit="degrees">110.25</angle>
						</uncertainty_ellipse>
					</centroid_forecast>
				</centroid_forecasts>
			</forecast>
		</feature>
	</cells>
</konrad3d>