josephzhang8
commented
1 year ago Note that we explained the same thing to CERA on their display also.
-Joseph
Y. Joseph Zhang Web: schism.wiki Office: 804 684 7466
From: John G.W. Kelley @.> Sent: Friday, October 14, 2022 11:49 AM To: schism-dev/pyschism @.> Cc: Y. Joseph Zhang @.>; Mention @.> Subject: Re: [schism-dev/pyschism] Generating GeoJSON to support NowCoast team (Issue #44)
[EXTERNAL to VIMS received message]
Joseph,
Have such occurrences of high water disturbances in isolated areas due rainfall been verified in previous hindcasts or forecasts?
I am concerned how users of STOFS3D forecast guidance maps will interpret these isolated areas of high water disturbances/inundation.
John
John G.W. Kelley Coastal Marine Modeling Branch Coast Survey Development Laboratory NOAA/National Ocean Service NOAA-UNH Joint Hydrographic Center Durham, New Hampshire 03824 603-862-1628
On Fri, Oct 14, 2022 at 11:38 AM Joseph Zhang @.<mailto:@.>> wrote:
Hi John:
I think some of those areas are due to rainfall on higher ground.
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JohnGWKelley
yangz888
saeed-moghimi-noaa
cuill
@Erin-nagel @agibbons-NOAA @josephzhang8 @cuill @feiye-vims @moghimis @gseroka @yangz888
Jul 19, 2022 | STOFS 3D GeoJSON Attendees: Adam Gibbons - NOAA Affiliate Erin Nagel - NOAA Affiliate Fei Ye John Kelley - NOAA Federal Linlin Cui Saeed Moghimi - NOAA Federal Y. Joseph Zhang Zizang Yang - NOAA Federal
Action items
Generating GeoJSON for STOFS3D
Metadata to GeoJSON
1st priority: Add above mention information to current max elev GeoJSON file
2nd: Then work on generating hourly GeoJSON files
Hi Saeed,
Thank you for reviewing the max water level STOFS3D web map service. Adam is currently working on the map interaction feature to query the service, however the GeoJSON only contains RGBA values rather than water level values and we would like to request some modifications to the current GeoJSON to include some additional attributes. Besides adding water level values is there any additional information your team would like to include?
Moving forward we would like to add an hourly STOFS3D service and I have included some general requirements and additional metadata for the GeoJSON files your team produces, please pass the requirements along to your team and let me know if you have any questions.
GeoJSON STOFS3D Product Requirements for nowCOAST:
Format: The filename must include the valid cycle time of the forecast for the first timestamp and the valid hourly forecast time or forecast time of the maximum water level disturbance for the second timestamp depending on the product Each feature-level object must include the following property names: "id","maxWaterLevel", "minWaterLevel", "verticalDatum", "units", "rgba" Example:
Note: If there is only one water level elevation value per polygon, then include the property name "waterLevel" instead of "minWaterLevel" and "maxWaterLevel", but this attribute should be consistent for each product All property names must use the "camelCase" naming convention "id","maxWaterLevel", "minWaterLevel" properties must be encoded as true numeric values (i.e. not enclosed with quotes) and each feature-level object must have a unique id The top-level object should contain a coordinate reference system property Example:
"crs": { "type": "name", "properties": { "name": "EPSG:4326" } Polygons and MultiPolygons should follow the right-hand rule, as follows: The exterior ring should be counterclockwise. Interior rings should be clockwise. Example: The Shapely User Manual — Shapely 1.8.2 documentation All Polygons and MultiPolygons must be checked for validity and may not possess any overlapping exterior or interior rings, self intersections, duplicate nodes, sliver polygons, or gaps between polygons 1) Max Water Level Forecast Product
Suggested Product Path and Filename Format: s3://noaa-nos-stofs3d-pds/yyyymmdd/system_region_product_YYYYMMDDtHHz_YYYYMMDDtHHz.json
Example: s3://noaa-nos-stofs3d-pds/20220430/stofs3d_atlantic_maxwldisturbance 20220430t12z_20220430t23z .json
Note: Filename must include the valid cycle time of the forecast for the first timestamp (e.g 20220430T12Z) and the valid forecast time of the maximum water level disturbance for the second timestamp (e.g 20220430t23z)
2) Hourly Water Level Forecast Product
Suggested Product Path and Filename Format: s3://noaa-nos-stofs3d-pds/yyyymmdd/forecast_cycle/region/system_region_fcst_YYYYMMDDtHHz_YYYYMMDDtHHz.json :
Examples:
Note: Filename must include the cycle time of the forecast for the first timestamp (e.g. 20220430t12z) and the valid hourly forecast time for the second timestamp (e.g 20220430t18z)
Thank you,
nowCOAST Team
Erin Nagel - NOAA Affiliate
Fri, Jul 8, 10:24 AM (11 days ago)
to me, John, Adam