Add info about WEATHER namespace

docs/new_model_config.md

@@ -13,7 +13,7 @@ Add a result parameter by clicking as shown below
 ![Click Add to add a new result parameter](./illustrations/add_result_param_1.png "Click Add to add a new result parameter")
 
 The result parameter form is shown below.
-* Namespace = The model ID (dictated by the model)
+* Namespace = The model ID (dictated by the model) or WEATHER (Weather parameters are most times using the WEATHER namespace)
 * Key = The parameter ID (dictated by the model)
 * Name = The parameter name as displayed to users
 * Description = Further description of the parameter (currently not in use)