Destination Weather API Developer's Guide NWSAlertItemsType
The structure NWSAlertItemsType
represents the information about NWS weather warnings and weather watches.
Table 1. NWSAlertItemsType elements Element | Attribute | Data Type | Description |
type | | Integer, see also Supported NWS Warning or Watch Types | Type of alert. |
description | | String, see also Supported NWS Warning or Watch Types | Description of the alert. |
severity | | Integer | The severity of alerts from 1-100 with 1 being the most severe. |
message | | String | The warning or watch text is a long string of words describing the warning or watch in detail. |
zone | | AlertLocationType | List of zones included with the alert. US only [1] . |
county | | AlertLocationType | List of counties included with the alert. US only [1] . |
location | | AlertLocationType | List of locations included with the alert. Canada only [1] . |
| validFromTimeLocal | Date | Date and time at the location the alert was issued by National Weather Service. The format is either YYYY-MM-DDThh:mm:ss.SSS + the timezone offset, unless the forecast is for a location in the UTC zone, in which the date and time is terminated by a Z. |
| validUntilTimeLocal | Date | Alert expiration date and time at the location. The format is either YYYY-MM-DDThh:mm:ss.SSS + the timezone offset, unless the forecast is for a location in the UTC zone, in which the date and time is terminated by a Z. |
| latitude | Double | Latitude of location polygon centroid in degrees in WGS 84 format. |
| longitude | Double | Longitude of location polygon centroid in degrees in WGS 84 format. |
| name | String | Location name. |
| country | String | Country name. |
| state | String | US-state name. |
[1] | One alert may impact multiple counties or zones across multiple states. Typically, a watch will impact significantly more locations than a warning. |