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United States Stage IV Quantitative Precipitation Archive

Dates

Metadata Creation Date
2016-03-04

Summary

This dataset offers hourly estimates of radar indicated rain gage corrected precipitation at a roughly 4km spatial resolution. Mosaicked into a national product at NCEP, from the regional hourly multi-sensor (radar+gauges) precipitation analyses produced by the 12 River Forecast Centers over CONUS. Some manual QC done at the RFCs. The Stage II/IV job is run at 33min past the top of each hour. Hourly Stage IV is re-made hourly (if there is new input after valid time for the next 23 hours, then again at 1/3/5/7 days after valid time. These data have been aggregated into this service by the USGS and are downloaded and incorporated into the archive every 30 minutes. The original Hydrologic Rainfall Analysis Projection grid cell locations [...]

Contacts

Point of Contact :
River Forecasting Centers
Publisher :
USGS Office of Water Information Center for Integrated Data Analytics

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56d9862ae4b015c306f7c486.xml
Original ISO Metadata
View 		46.08 KB application/vnd.iso.19115+xml
Shapefile: ncep_stiv_cell_points.zip
ncep_stiv_cell_points.prj 165 Bytes
ncep_stiv_cell_points.shp 26.37 MB
ncep_stiv_cell_points.shx 7.53 MB
ncep_stiv_cell_points.dbf 72.52 MB

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Additional Information

Identifiers

Type Scheme Key
File Identifier file identifier 56d9862ae4b015c306f7c486

Shapefile Extension

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files
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size165
dateUploadedFri Mar 04 05:49:32 MST 2016
namencep_stiv_cell_points.shp
contentTypex-gis/x-shapefile
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namencep_stiv_cell_points.shx
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namencep_stiv_cell_points.dbf
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dateUploadedMon May 02 09:40:38 MDT 2016
geometryTypePoint
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NetCDF OPeNDAP Service Extension

boundingBox
minY19.803680419921875
minX-134.04302978515625
maxY57.84757995605469
maxX-59.95136642456055
summaryThis dataset offers hourly estimates of radar indicated rain gage corrected precipitation at a roughly 4km spatial resolution. Mosaicked into a national product at NCEP, from the regional hourly multi-sensor (radar+gauges) precipitation analyses produced by the 12 River Forecast Centers over CONUS. Some manual QC done at the RFCs. The Stage II/IV job is run at 33min past the top of each hour. Hourly Stage IV is re-made hourly (if there is new input after valid time for the next 23 hours, then again at 1/3/5/7 days after valid time. These data have been aggregated onto this service by the USGS and are downloaded and incorporated into the archive every 30 minutes. The original Hydrologic Rainfall Analysis Projection grid cell locations redefined by unprojecting grid cell locations using spherical earth projection algorithms. The cell lat/lon locations should be interpreted as being on a modern geotetic datum. This transformation is needed because the original grid cell location's lat/lon values were on a geodetic datum but were assumed to be on a spherical datum. See: http://pubs.usgs.gov/fs/2013/3035/pdf/fs2013-3035.pdf for more information. Note that this publication reverences the National Precipitation Verification Unit. The data represented here are aggregated from the same source as the National Precipitation Verification Unit used prior to being shut down. National Centers for Environmental Prediction National Stage IV Quantitative Precipitation Estimate Product: http://www.emc.ncep.noaa.gov/mmb/ylin/pcpanl/stage4/ NWS Advanced Hydrologic Prediction Service About Page: http://water.weather.gov/precip/about.php USGS Publication Documenting Grid Reprojection: http://pubs.usgs.gov/fs/2013/3035/pdf/fs2013-3035.pdf Raw Data Access here: http://cida.usgs.gov/thredds/catalog.html?dataset=cida.usgs.gov/thredds/stageiv_combined/
titleUnited States Stage IV Quantitative Precipitation Archive
urlhttps://cida.usgs.gov/thredds/dodsC/stageiv_combined
variables
nameTotal_precipitation_surface_1_Hour_Accumulation
unitskg m^-2
nametime_bounds
unitsHour since 2001-12-31T23:00:00Z
namelon
unitsdegrees_east
namelat
unitsdegrees_north
nametime
unitsHour since 2001-12-31T23:00:00Z

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