Applying Geospatial Conventions to NWS Products Using IRIS

By Jason Burks NWS HUN

Why do we want NWS products in Geospatial conventions

Flexibility Format that is readily usable Easy integration with other GIS datasets and

systems

Requirements

Process all products Process the products quickly Push them into a common format End format has to be available Needs to support GIS standards

What has been done already

UGC Added polygon to warning Adding of VTEC string Warnings output as shapefile

Limited amount of products Work on CAP format None of these are geospatial conventions

except shapefile.

Typical NWS products

UGCMTZ012-050-054-055-010445-

VTEC/O.EXT.KHUN.FA.W.0022.000000T0000Z-090927T0030Z/

PolygonLAT...LON 3753 8667 3742 8663 3740 8663 3732 8674

3735 8691 3748 8694

Take NWS product and provide in common format

Polygon

Segmented

Non-segmented

Non-Polygon

Decoder PostgisDb

Decoding data problems

Not all products have Segments Polygons VTEC or HVTEC

And they change So a programmer has to keep on top of

product changes, and installed locations need to update.

Fix for problem

Assumptions about products: Treated as segmented Don't maintain information about specific

products Checked for VTEC, and HVTEC Checked for polygon

Storage of data using Hibernate Spatial

Decoder PostgisDbDAO Hibernate

Spatial

Using Spring

Flexibility using Spring Framework Support for caching of lookup data Threaded Task Executor Easy configuration/re-configuration Integrates well with Hibernate and Spatial

Hibernate

Application of data using Postgis for Spatial Queries

Intersects Within ToWKT toGeoJson

Support for GIS Conventions

Polygon

Segmented

Non-segmented

Non-Polygon

Decoder PostgisDb

GeoServer

Mapserver

GIS Tools

Web Clients

Output in other formats

Data can be exported to other various formats GML Shapefile WKT GEO Json WMS WFS KML

NWS Products supported

All Warnings All Watches LSRs UGC based products

Examples

Some examples of the database being used Web GIS application

Multi-Use

Now that we have the data in a Common format Can use it in multiple projects with little effort.

On the web Research Verification ?

Already being used in Ridge II Central Region GIS system.

Future Work

Push data on to JMS Decode more data atomically Stand-up more GIS services

Questions?

Jason.Burks@noaa.gov