You will need node and npm installed globally on your machine. Installation: npm install To Start Server: npm start
Radar layer mentioned (conus_cref_raw) in the challenge was not available on the server, So I have used another (conus_cref_qcd) WMS from the same server. Links are below:
Available: https://opengeo.ncep.noaa.gov/geoserver/conus/conus_cref_qcd/ows?service=wms&version=1.3.0&request=GetCapabilities Not available: https://opengeo.ncep.noaa.gov/geoserver/conus/conus_cref_raw/ows?service=wms&version=1.3.0&request=GetCapabilities
Layers present
a. Radar Data: https://opengeo.ncep.noaa.gov/geoserver/conus/conus_cref_qcd/ows?service=wms&version=1.3.0&request=GetCapabilities
b. County Boundary: https://services9.arcgis.com/RHVPKKiFTONKtxq3/arcgis/rest/services/NWS_Watches_Warnings_v1/FeatureServer/3
c. Warning Layer: https://services9.arcgis.com/RHVPKKiFTONKtxq3/arcgis/rest/services/NWS_Watches_Warnings_v1/FeatureServer/6