Obtaining NRCC Rainfall Data and Importing it into

Obtaining NRCC Rainfall Data and Importing it into Win. TR-20 Import NRCC Data February 2015 1

Program to convert NRCC text file and import it into Win. TR-20 Program is incorporated into Windows interface; n Reads NRCC text file created by the user through download; n After downloading text file, open Win. TR-20 Windows interface and click “File” then “Import NRCC Data”; n Rainfall Distribution and Rainfall Data become a part of the Win. TR-20 input data file. n Import NRCC Data February 2015 2

NRCC web site: n Open the NRCC NWS web site at http: //www. precip. net Import NRCC Data February 2015 3

Import NRCC Data into Win. TR-20 n n Data for 7 states are available. There are several ways to select a location. Import NRCC Data February 2015 4

Import NRCC Data into Win. TR 20 Import NRCC Data February 2015 5

Import NRCC Data into Win. TR-20 n Zoom and Pan to Springfield, MA. Place the hand icon at the desired location and double click to show red pushpin. Click Submit button. Import NRCC Data February 2015 6

Import NRCC Data into Win. TR 20 n Select directory and enter file name Springfield_MA. txt. Import NRCC Data February 2015 7

Import NRCC Data into Win. TR 20 n n Click file name to open it. Includes mean precipitation estimates, and 90% confidence limit estimates. Import NRCC Data February 2015 8

Import NRCC Data into Win. TR-20 ● Click on Win. TR-20 icon ● The following Win. TR -20 System Controller/ Editor Screen opens up: Import NRCC Data February 2015 9

Import NRCC Data into Win. TR-20 n n n Select “Import NRCC Data” from “File” pulldown menu. Locate the directory, select text file name “Springfield_M A. txt” Click Open. Import NRCC Data February 2015 10

Import NRCC Data into Win. TR-20 n Option to smooth the NRCC Data ? Yes, for this example. Import NRCC Data February 2015 11

Import NRCC Data into Win. TR 20 Win. TR-20 Identifier n n n Win. TR-20 Identifier window will pop up Edit / Enter - Min. Hydrograph Value - Watershed Description Click “No Changes (Close)” if no changes were made or “Accept Changes (Close)” if changes were made. Import NRCC Data February 2015 12

Import NRCC Data into Win. TR-20 n n n Brings you back to the Win. TR-20 System Controller/ Editor window Click on “Storm Analysis: ” Click on “Rainfall Distribution: ” Note: (X indicates some data entered for section) Import NRCC Data February 2015 13

Import NRCC Data into Win. TR-20 n n n Select “Rain Table Identifier: ” from pull down menu. Press Enter key. Click “Display Data” button for graphical view of the Rainfall Distribution. Click “No Changes (Close)” button to close this window. Import NRCC Data February 2015 14

Compare Non-Smooth and Smooth Rainfall Distributions Non-Smooth Curve Import NRCC Data Smooth Curve February 2015 15

Import NRCC Data into Win. TR-20 n n From “File” menu, select “Save”. “Run” button is now available. Import NRCC Data February 2015 16

Import NRCC Data into Win. TR-20 n n n Try to “Run” Win. TR-20 Generated Win. TR 20 Error File - No Stream Reach data - No Sub-Area data. Add remaining data and run again. Import NRCC Data February 2015 17

Import NRCC Data into Win. TR-20 Warning – do not import NRCC data to an existing Win. TR-20 file using the Win. TR-20 Controller/Editor. The existing data will be erased and replaced by NRCC Data. n Instead, save the Win. TR-20 input file containing NRCC Data, close Win. TR-20, and use Notepad to copy and paste the data into the existing Win. TR-20 data file. n Import NRCC Data February 2015 18

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