From d6de5165a9ccf24b3e2a25651e01ce9aa33cf720 Mon Sep 17 00:00:00 2001 From: Lisa Goodrich Date: Fri, 30 Jul 2021 11:58:28 -0600 Subject: [PATCH] updates John O. suggested take 4 #1834. --- met/docs/Users_Guide/appendixA.rst | 29 ++++++++++++++--------------- 1 file changed, 14 insertions(+), 15 deletions(-) diff --git a/met/docs/Users_Guide/appendixA.rst b/met/docs/Users_Guide/appendixA.rst index 666d98708c..fdcc9c3c07 100644 --- a/met/docs/Users_Guide/appendixA.rst +++ b/met/docs/Users_Guide/appendixA.rst @@ -412,7 +412,7 @@ Setting vld_thresh = 1.0 will ensure that FSS will only be computed at points where all NxN values contain valid data. Setting it to 0.5 only requires half of them. -**Q. Grid-Stat - Is an example of verifying probabilities?** +**Q. Grid-Stat - Is an example of verifying forecast probabilities?** A. There is an example of verifying probabilities in the test scripts @@ -595,32 +595,31 @@ Pcp-Combine **Q. Pcp-Combine - How do I add and subtract with Pcp-Combine?** A. -Run the MET pcp_combine tool to put the NAM data into 3-hourly accumulations. +An example of running the MET pcp_combine tool to put NAM 3-hourly +precipitation accumulations data into user-desired 3 hour intervals is +provided below. -0-3 hour accumulation is already in the 03 UTC file. Run this file +If the user wanted a 0-3 hour accumulation, this is already available +in the 03 UTC file. Run this file through pcp_combine as a pass-through to put it into NetCDF format: .. code-block:: none [MET_BUILD_BASE}/pcp_combine -add 03_file.grb 03 APCP_00_03.nc - 3-6 hour accumulation. Subtract 0-6 and 0-3 accumulations: - [MET_BUILD_BASE}/pcp_combine -subtract 06_file.grb 06 03_file.grb 03 APCP_03_06.nc - 6-9 hour accumulation. Subtract 0-9 and 0-6 accumulations: - [MET_BUILD_BASE}/pcp_combine -subtract 09_file.grb 09 06_file.grb 06 APCP_06_09.nc - 9-12 hour accumulation. Subtract 0-12 and 0-9 accumulations: - [MET_BUILD_BASE}/pcp_combine -subtract 12_file.grb 12 09_file.grb 09 APCP_09_12.nc -12-15 hour accumulation. Just run as a pass-through again: +If the user wanted the 3-6 hour accumulation, they would subtract +0-6 and 0-3 accumulations: .. code-block:: none + + [MET_BUILD_BASE}/pcp_combine -subtract 06_file.grb 06 03_file.grb 03 APCP_03_06.nc - [MET_BUILD_BASE}/pcp_combine -add 15_file.grb 03 APCP_12_15.nc +Similarly, if they wanted the 6-9 hour accumulation, they would +subtract 0-9 and 0-6 accumulations: -15-18 hour accumulation. Subtract 12-18 and 12-15 accumulations: +.. code-block:: none -.. code-block:: none - - [MET_BUILD_BASE}/pcp_combine -subtract 18_file.grb 06 15_file.grb 03 APCP_15_18.nc + [MET_BUILD_BASE}/pcp_combine -subtract 09_file.grb 09 06_file.grb 06 APCP_06_09.nc And so on.