Weather Data

Weather Data

The purpose of this interface is to provide a query for fetching the Actual, historical, and forecast weather related information from EMS system. EMS gets its weather feeds directly from national weather service. This interface will return the full day data for the requesting day.

The request message would use the following message fields:

Message Element	Value
Header/Verb	get
Header/Noun	WeatherInfos
Header/Source	MARKET PARTICIPANT ID
Header/UserID	ID of user
Request/OperatingDate	Day of Interest
Request/Option	Optional: Zone of interest If not provided Info for all Zones is returned

The corresponding response messages would use the following message fields:

Message Element	Value
Header/Verb	reply
Header/Noun	WeatherInfos
Header/Source	ERCOT
Reply/ReplyCode	Reply code, success=OK, error=ERROR
Reply/Error	Error message, if error encountered
Payload	WeatherInfos

A list of available zones are provided below. If request for no specific zones is submitted, weather information for all zones are returned.

1. Coast

2. East

3. FarWest

4. North

5. NorthCentral

6. SouthCentral

7. Southern

8. West

The structure of a reply for weather payload is shown by the following diagrams:

The following is an XML example for a response for forecast weather related information from EMS system

<WeatherInfos xmlns="http://www.ercot.com/schema/2007-06/nodal/ews" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.ercot.com/schema/2007-06/nodal/ewsErcotInformation2.xsd">
    <WeatherInfo>
        <area>North Austin</area>
        <startTime>2008-01-01T00:00:00-06:00</startTime>
        <endTime>2008-01-02T00:00:00-06:00</endTime>
        <temperature>72</temperature>
    </WeatherInfo>
</WeatherInfos>