GeoRSS feed - Environmental Sensor Stations
The GeoRSS feed can be accessed via the following URL: http://www.vdotdatasharing.org/GeoRSS/ESSMessage The feed contains the following fields:| Field | Description | Example |
|---|---|---|
| title | Contains the station name and id | NOVA-RWIS-71210 |
| description | Contains the description of all the weather events this station monitors | Adjacent Snow Depth: 0.0, Air Temperature: 0.0, Atmospheric Pressure: 0.0, Average Wind Direction: 0, Average Wind Speed: 0.0, Dewpoint Temperature: 0.0, Ice Thickness: 0.0, Max Wind Gust Direction: 0, Max Wind Gust Speed: 0.0, Precipitation Rate: 0.0, 24 Hour Precipitation Rate: 0.0, 1 Hour Precipitation Rate: 0.0, 6 Hour Precipitation Rate: 0.0, 3 Hour Precipitation Rate: 0.0, 12 Hour Precipitation Rate: 0.0, Relative Humidity: 0, Roadway Snow Depth: 0.0, Roadway Snow Pack Depth: 0.0, Route Name: I-395, Snowfall Rate: 0, Solar Radiation: 0, Spot Wind Direction: 0, Spot Wind Speed: 0.0, Surface Freeze Point: 0.0, Surface Salinity: 0.0, Surface Temperature 0.0, Total Sunlight: 0, Visibility: 0.0, Wet Bulb Temperature: 0.0, Last Updated: Sep 25, 2012 11:56:04 PM |
| link | This is a link to the xml message for this weather station | http://www.vdotdatasharing.org/xmldb/ESSMessage/NOVA-RWIS-71210 |
| georss:point | This is the GIS location of the weather station | 37.241928 -79.730888 |
XML Database Record
The XML database record can be accessed via the following URL: http://www.vdotdatasharing.org/xmldb/ESSMessage/sender_id where sender_id is the id for the specific environmental sensor. The following is an example of the XML record:
<orci:stationList xmlns:tmdd="http://www.tmdd.org/3/messages" xmlns:ess="http://www.openroadsconsulting.org/orci_ess" xmlns:orci="http://www.openroadsconsulting.org/weather">
<orci:station>
<orci:inventory>
<device-inventory-header>
<organization-information>
<organization-id>VDOT</organization-id>
</organization-information>
<device-id>NOVA-RWIS-71210</device-id>
<device-location>
<latitude>36824127</latitude>
<longitude>-79189070</longitude>
</device-location>
<device-name>ESS Sim Device WxStation 6</device-name>
<link-name>I-95</link-name>
<link-direction>N</link-direction>
<linear-reference>80.4</linear-reference>
<last-update-time>
<date>20121212</date>
<time>102307</time>
<offset>-0500</offset>
</last-update-time>
</device-inventory-header>
</orci:inventory>
<orci:data>
<station-id>NOVA-RWIS-71210</station-id>
<ess-sensor-list>
<ess-sensor>
<ess-observation-type>
<ess:weather-data>
<ess:avg-wind-direction>24</ess:avg-wind-direction>
<ess:avg-wind-speed>1.3</ess:avg-wind-speed>
<ess:avg-wind-gust-speed>3.1</ess:avg-wind-gust-speed>
<ess:air-temperature>7.2</ess:air-temperature>
<ess:dewpoint-temp>0.5</ess:dewpoint-temp>
<ess:relative-humidity>33</ess:relative-humidity>
<ess:atmospheric-pressure>144.5</ess:atmospheric-pressure>
<ess:precip-rate>1.5</ess:precip-rate>
<ess:snowfall-accum-rate>152</ess:snowfall-accum-rate>
<ess:visibility-data>178.3</ess:visibility-data>
<ess:max-wind-gust-direction>76</ess:max-wind-gust-direction>
<ess:max-wind-gust-speed>3.1</ess:max-wind-gust-speed>
<ess:spot-wind-direction>275</ess:spot-wind-direction>
<ess:spot-wind-speed>4.5</ess:spot-wind-speed>
<ess:wetbulb-temp>4.6</ess:wetbulb-temp>
<ess:precipitation-one-hour>1.2</ess:precipitation-one-hour>
<ess:precipitation-three-hour>1.4</ess:precipitation-three-hour>
<ess:precipitation-six-hour>1.6</ess:precipitation-six-hour>
<ess:precipitation-twelve-hour>1.8</ess:precipitation-twelve-hour>
<ess:precipitation-24-hour>0</ess:precipitation-24-hour>
<ess:solar-radiation>100</ess:solar-radiation>
<ess:total-sun>600</ess:total-sun>
</ess:weather-data>
</ess-observation-type>
</ess-sensor>
<ess-sensor>
<ess-observation-type>
<ess:surface-data>
<ess:adjacent-snow-depth>0</ess:adjacent-snow-depth>
<ess:roadway-snow-depth>0</ess:roadway-snow-depth>
<ess:roadway-snow-pack-depth>0</ess:roadway-snow-pack-depth>
<ess:ice-thickness>0</ess:ice-thickness>
<ess:surface-temperature>18.8</ess:surface-temperature>
<ess:surface-salinity>0</ess:surface-salinity>
<ess:surface-freeze-point>0</ess:surface-freeze-point>
<ess:surface-status>3</ess:surface-status>
<ess:pavement-sensor-error>2</ess:pavement-sensor-error>
</ess:surface-data>
</ess-observation-type>
</ess-sensor>
<ess-sensor>
<ess-observation-type>
<ess:subsurface-data>
<ess:subsurface-temperature>152</ess:subsurface-temperature>
<ess:subsurface-status>2</ess:subsurface-status>
</ess:subsurface-data>
</ess-observation-type>
</ess-sensor>
</ess-sensor-list>
</orci:data>
</orci:station>
</orci:stationList>
The following data elements are represented in the XML message:
| Line | Field | Description |
|---|---|---|
| 6 | organization-id | The organization responsible for this sensor |
| 8 | device-id | The id of the station |
| 10 | latitude | The latitude of the station |
| 11 | longitude | The longitude of the station |
| 13 | device-name | The name of the station |
| 14 | link-name | The roadway upon which the station is located |
| 15 | link-direction | The travel direction on the road where the station is located |
| 16 | linear-reference | The milemarker on the road of the station |
| 18 | date | The date for the detector update in yyymmdd format |
| 19 | time | The time for the detector status update in hhmmss format |
| 20 | offset | The time zone offset time in hhmm format |
| 30 | avg-wind-direction | This is the average wind direction in degrees |
| 31 | avg-wind-speed | This is the average wind speed in meters per second |
| 32 | avg-wind-gust-speed | This is the average wind gust speed in meters per second |
| 33 | air-temperature | This is the air temperature in Celsius |
| 34 | dewpoint-temp | This is the dewpoint temperature in Celsius |
| 35 | relative-humidity | This is the relative humidity as a percentage |
| 36 | atmospheric-pressure | This is the atmospheric pressure in Inches |
| 37 | precip-rate | This is the precipitation rate in tenths of grams per square meter per second |
| 38 | snowfall-accum-rate | This is the snowfall accumulation rate in 10e-7 meters per second |
| 39 | visibility-data | This is the visibility in meters. |
| 40 | max-wind-gust-direction | This is the max wind gust direction in degrees |
| 41 | max-wind-gust-speed | This is the max wind gust speed in meters per second |
| 42 | spot-wind-direction | This is the spot wind direction in degrees |
| 43 | spot-wind-speed | This is the spot wind speed in meters per second |
| 44 | wetbulb-temp | This is the wetbulb temperature in Celsius |
| 45 | precipitation-one-hour | This is the precipitation one hour in kilograms per square meter |
| 46 | precipitation-three-hour | This is the precipitation three hour in kilograms per square meter. |
| 47 | precipitation-six-hour | This is the precipitation six hour in kilograms per square meter |
| 48 | precipitation-twelve-hour | This is the precipitation twelve hour in kilograms per square meter |
| 49 | precipitation-24-hours | This is the precipitation 24 hours in tenths of kilograms per square meter |
| 50 | solar-radiation | This is the solar radiation in joules per square meter |
| 51 | total-sun | This is the total sun in minutes for the preceding 24 hours |
| 58 | adjacent-snow-depth | This is the adjacent snow depth in centimeters |
| 59 | roadway-snow-depth | This is the roadway snow depth in centimeters |
| 60 | roadway-snow-pack-depth | This is the roadway snow pack depth |
| 61 | ice-thickness | This is the ice thickness in millimeters |
| 62 | surface-temperature | This is the surface temperature in Celsius |
| 63 | surface-salinity | This is the surface salinity |
| 64 | surface-freeze-point | This is the surface freeze point |
| 65 | surface-status | This is the surface status. Values include: 1. Other 2. Error 3. Dry 4. Trace Moisture 5. Wet 6. Chemically Wet 7. Ice Warning 8. Ice Watch 9. Snow Warning 10. Snow Watch 11. Absorption 12. Dew 13. Frost 14. Absorption at Dew Point |
| 66 | pavement-sensor-error | This is the pavement sensor error. Values include: 1. Other 2. None 3. No Response 4. Cut Cable 5. Short Circuit 6. Dirty Lens |
| 73 | subsurface-temperature | This is the subsurface temperature in tenths of degrees Celsius |
| 74 | subsurface-sensor-error | This is the subsurface sensor error. Values include: 1. Other 2. None 3. No Response 4. Cut Cable 5. Short Circuit |
WMS-C Layer
The WMS-C layer can be accessed using the following parameters:| Service | http://www.vdotdatasharing.org/geowebcache/service/wms |
|---|---|
| Layer | ess_message |
| Format | image/png |
| Tile Size | 256x256 |
| SRS | EPSG:900913 EPSG:4326 |
WFS Layer
The WFS layer can be accessed here. The feed contains the following fields:| Field | Description | Example |
|---|---|---|
| orci:device_id | This is the id for the device | ESS10429 |
| orci:v7_device_id | This is the historical id for the device | ESS10429 |
| orci:adjacent_snow_depth | Measurement for snow depth in inches | 0.0 |
| orci:air_temperature | Measurement for air temperature in degrees Celsius | 7.2 |
| orci:atmospheric_pressure | Measurement for atmospheric pressure measured in Inches | 144.6 |
| orci:avg_wind_direction | Measurement for wind direction in degrees | 24 |
| orci:avg_wind_speed | Measurement for wind speed in meters per second | 1.3 |
| orci:device_name | This is the name of the device | ESS Sim Device WxStation 6 |
| orci:dewpoint_temp | Measurement for dewpoint temp in degrees Celsius | 0.5 |
| orci:ice_thickness | Measurement for ice thickness in inches | 0.0 |
| orci:max_wind_gust_direction | Measurement for the wind gust direction in degrees | 76 |
| orci:max_wind_gust_speed | Measurement for the wind gust speed in meters per second | 3.1 |
| orci:precip_24_hour | This is the precipitation 24 hours in kilograms per square meter | 0.0 |
| orci:precip_one_hour | This is the precipitation one hour in kilograms per square meter | 1.2 |
| orci:precip_rate | This is the precipitation rate in tenths of grams per square meter per second | 1.5 |
| orci:precip_six_hour | This is the precipitation six hour in kilograms per square meter | 1.6 |
| orci:precip_three_hour | This is the precipitation three hour in kilograms per square meter | 1.4 |
| orci:precip_twelve_hour | This is the precipitation twelve hour in kilograms per square meter | 1.8 |
| orci:relative_humidity | Measurement for the humidity percentage | 33 |
| orci:roadway_snow_depth | Measurement for the snow depth in inches | 0.0 |
| orci:roadway_snow_pack_depth | Measurement for the pack depth in inches | 0.0 |
| orci:route_name | The route name on which the station is located | I-64 |
| orci:sensor_error | The error of the weather sensor | 2 |
| orci:snowfall_accum_rate | This is the snowfall accumulation rate in 10e-7 meters per second | 152 |
| orci:solar_radiation | Measurement of the amount of solar radiation measured in joules | 100 |
| orci:spot_wind_direction | Measurement of the spot wind direction in degrees | 275 |
| orci:spot_wind_speed | Measurement of spot wind speed in meters per second | 4.5 |
| orci:surface_freeze_point | Measurement for the surface freeze point in degrees Celsius | 0.0 |
| orci:surface_salinity | Measurement for the surface salinity | 0.0 |
| orci:surface_status | Represents the current surface status | 3 |
| orci:surface_temperature | Measurement for the surface temperature in degrees Celsius | 18.8 |
| orci:the_geom | The GeoRSS point for this weather station | <gml:Point srsDimension="2" srsName="urn:x-ogc:def:crs:EPSG:4326"> <gml:pos>37.241928 -79.730888</gml:pos> </gml:Point> |
| orci:total_sun | Measurement of the total sun in minutes for the preceding 24 horus | 600 |
| orci:travel_direction | The direction of travel that this weather station monitors | E |
| orci:update_time | The last time this weather station was updated | 2012-08-09T13:24:46Z |
| orci:visibility | Measurement for visibility in meters | 178.3 |
| orci:wetbulb_temp | Measurement for the wetbulb temperature in degrees Celsius | 4.6 |
| orci:subsurface_temperature | Measurement for the subsurface temperature in tenths of degrees Celsius | 152 |
| orci:subsurface_status | The subsurface error | 2 |