Free Web Services - Herong's Tutorial Examples - v2.13, by Herong Yang
NDFDgen - Weather Forecast with Specific Parameters
This section provides a tutorial example on obtaining weather forecast with a list of specific weather parameters.
In the previous sections, we used the "glance" product type to obtain weather forecast with primary weather parameters. In this tutorial, we are going to use "time-series" product type to obtain weather forecast with specific weather parameters.
Here is the request message of NDFDgen to obtain a 3-day weather forecast data for the location at latitude of 35.4 and longitude of -97.6, Oklahoma City in Oklahoma state in US. The request asks the server to return weather forecast in 3 parameters: maxt - Maximum temperature, mint - Minimum temperature and sky - Sky condition.
<soapenv:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"
xmlns:ndf="http://graphical.weather.gov/xml/DWMLgen/wsdl/ndfdXML.wsdl">
<soapenv:Header/>
<soapenv:Body>
<ndf:NDFDgen
soapenv:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">
<latitude xsi:type="xsd:decimal">35.4</latitude>
<longitude xsi:type="xsd:decimal">-97.6</longitude>
<product xsi:type="dwml:productType"
xmlns:dwml="http://graphical.weather.gov/xml/DWMLgen/schema/DWML.xsd">
glance</product>
<startTime xsi:type="xsd:dateTime">2020-10-10T00:00:00</startTime>
<endTime xsi:type="xsd:dateTime">2020-10-13T00:00:00</endTime>
<Unit xsi:type="dwml:unitType"
xmlns:dwml="http://graphical.weather.gov/xml/DWMLgen/schema/DWML.xsd">
m</Unit>
<weatherParameters xsi:type="dwml:weatherParametersType"
xmlns:dwml="http://graphical.weather.gov/xml/DWMLgen/schema/DWML.xsd">
<maxt xsi:type="xsd:boolean">true</maxt>
<mint xsi:type="xsd:boolean">true</mint>
<sky xsi:type="xsd:boolean">true</sky>
</weatherParameters>
</ndf:NDFDgen>
</soapenv:Body>
</soapenv:Envelope>
Here is the response message:
<SOAP-ENV:Envelope
SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"
xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"
xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/">
<SOAP-ENV:Body>
<ns1:NDFDgenResponse
xmlns:ns1="http://graphical.weather.gov/xml/DWMLgen/wsdl/ndfdXML.wsdl">
<dwmlOut xsi:type="xsd:string"><![CDATA[<?xml version="1.0"?>
<dwml version="1.0" xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:noNamespaceSchemaLocation=
"http://www.nws.noaa.gov/forecasts/xml/DWMLgen/schema/DWML.xsd">
<head>
<product srsName="WGS 1984" concise-name="glance"
operational-mode="official">
<title>NOAA's National Weather Service Forecast at a Glance</title>
<field>meteorological</field>
<category>forecast</category>
<creation-date refresh-frequency="PT1H">2020-10-10T01:16:42Z
</creation-date>
</product>
<source>
<more-information>http://www.nws.noaa.gov/forecasts/xml/
</more-information>
<production-center>Meteorological Development Laboratory
<sub-center>Product Generation Branch</sub-center></production-center>
<disclaimer>http://www.nws.noaa.gov/disclaimer.html</disclaimer>
<credit>http://www.weather.gov/</credit>
<credit-logo>http://www.weather.gov/images/xml_logo.gif</credit-logo>
<feedback>http://www.weather.gov/feedback.php</feedback>
</source>
</head>
<data>
<location>
<location-key>point1</location-key>
<point latitude="35.40" longitude="-97.60"/>
</location>
<moreWeatherInformation applicable-location="point1">
http://forecast.weather.gov/MapClick.php?textField1=35.40&textField2=-97.60
</moreWeatherInformation>
<time-layout time-coordinate="local" summarization="none">
<layout-key>k-p24h-n3-1</layout-key>
<start-valid-time period-name="Saturday">2020-10-10T08:00:00-05:00
</start-valid-time>
<end-valid-time>2020-10-11T20:00:00-05:00</end-valid-time>
<start-valid-time period-name="Sunday">2020-10-11T08:00:00-05:00
</start-valid-time>
<end-valid-time>2020-10-12T20:00:00-05:00</end-valid-time>
<start-valid-time period-name="Monday">2020-10-12T08:00:00-05:00
</start-valid-time>
<end-valid-time>2020-10-13T20:00:00-05:00</end-valid-time>
</time-layout>
...
<parameters applicable-location="point1">
<temperature type="maximum" units="Celsius" time-layout="k-p24h-n3-1">
<name>Daily Maximum Temperature</name>
<value>33</value>
<value>31</value>
<value>30</value>
</temperature>
<temperature type="minimum" units="Celsius" time-layout="k-p24h-n4-2">
<name>Daily Minimum Temperature</name>
<value>23</value>
<value>22</value>
<value>19</value>
<value>20</value>
</temperature>
<cloud-amount type="total" units="percent" time-layout="k-p6h-n13-3">
<name>Cloud Cover Amount</name>
<value>50</value>
<value>26</value>
<value>31</value>
<value>52</value>
<value>54</value>
<value>58</value>
<value>50</value>
<value>53</value>
<value>50</value>
<value>50</value>
<value>50</value>
<value>30</value>
<value>26</value>
</cloud-amount>
<weather time-layout="k-p6h-n13-3">
<name>Weather Type, Coverage, and Intensity</name>
<weather-conditions>
<value coverage="chance" intensity="none"
weather-type="thunderstorms" qualifier="none">
<visibility xsi:nil="true"/>
</value>
<value coverage="chance" intensity="light"
additive="and" weather-type="rain showers" qualifier="none">
<visibility xsi:nil="true"/>
</value>
</weather-conditions>
...
</weather>
<conditions-icon type="forecast-NWS" time-layout="k-p6h-n13-3">
<name>Conditions Icons</name>
<icon-link>http://forecast.weather.gov/images/wtf/sct.jpg</icon-link>
...
</conditions-icon>
<hazards time-layout="k-p1h-n23-4">
<name>Watches, Warnings, and Advisories</name>
<hazard-conditions/>
...
</hazards>
</parameters>
</data>
</dwml>]]></dwmlOut>
</ns1:NDFDgenResponse>
</SOAP-ENV:Body>
</SOAP-ENV:Envelope>
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►NDFDgen - US-Weather Forecast for a Single Location
NDFDgen - Request Message Sample
NDFDgen - Response Message Sample
►NDFDgen - Weather Forecast with Specific Parameters
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