1 Import NOAA Atlas Data March 2009 Obtaining NOAA Atlas 14 Rainfall Data and Importing it into WinTR-20

2 Import NOAA Atlas Data March 2009 Program to convert NOAA Atlas text file and import it into WinTR-20 Program is incorporated into Windows interface; Program is incorporated into Windows interface; Reads NOAA Atlas 14 text file created by the user thru download; Reads NOAA Atlas 14 text file created by the user thru download; After downloading text file, open WinTR-20 Windows interface and click “File” then “Import NOAA Atlas Data”; After downloading text file, open WinTR-20 Windows interface and click “File” then “Import NOAA Atlas Data”; Rainfall Distribution and Rainfall Data comes as a part of the Window WinTR-20 system. Rainfall Distribution and Rainfall Data comes as a part of the Window WinTR-20 system.

3 Import NOAA Atlas Data March 2009 NOAA NWS web site: Open the NOAA NWS web site at or

4 Import NOAA Atlas Data March 2009 Import NOAA Data into WinTR-20 Data for the states, Hawaii, and PR/VI shaded in purple are available. Click on the desired state (Maryland)

5 Import NOAA Atlas Data March 2009 Import NOAA Data into WinTR-20

6 Import NOAA Atlas Data March 2009 Import NOAA Data into WinTR-20 Select specific observing site from the list. Enter fixed location (Latitude and Longitude). Click on map to select location. Click “Submit site” or “Submit location”

7 Import NOAA Atlas Data March 2009 Import NOAA Data into WinTR-20 Select site from list “COLLEGE PARK MD ( )”. Click “Submit site” button. Click “OK” button.

8 Import NOAA Atlas Data March 2009 Import NOAA Data into WinTR-20 Click “Text version of tables” button. NOAA Atlas 14 Precipitation frequency estimates (inches) table will pop up.

9 Import NOAA Atlas Data March 2009 Import NOAA Data into WinTR-20 Click “File” then “SaveAs…” Click “File” then “SaveAs…” Select an appropriate name for the text file (College Park_MD) Select an appropriate name for the text file (College Park_MD) “Save as type: Text File (*.txt)” “Save as type: Text File (*.txt)” Select a directory, Click “Save” Select a directory, Click “Save”

10 Import NOAA Atlas Data March 2009 Import NOAA Data into WinTR-20 ● Using Windows Explorer, go to the “WinTR-20 Executables” directory and click on ● The following WinTR-20 System Controller/ Editor Screen comes up:

11 Import NOAA Atlas Data March 2009 Import NOAA Data into WinTR-20 Select “Import NOAA Atlas Data” from “File” pulldown menu. Select “Import NOAA Atlas Data” from “File” pulldown menu. Locate the directory, select text file name “CollegePark_MD.txt” Locate the directory, select text file name “CollegePark_MD.txt”

12 Import NOAA Atlas Data March 2009 Import NOAA Data into WinTR-20 Option to smooth the NOAA Atlas 14 Data ? Yes, for this example. Option to smooth the NOAA Atlas 14 Data ? Yes, for this example.

13 Import NOAA Atlas Data March 2009 Import NOAA Data into WinTR-20 WinTR-20 Identifier window will pop up WinTR-20 Identifier window will pop up Edit / Enter Edit / Enter - Min. Hydrograph Value - Min. Hydrograph Value - Watershed Description Click “Accept Changes Click “Accept Changes (Close)” to close (Close)” to close this window this window

14 Import NOAA Atlas Data March 2009 Import NOAA Data into WinTR-20 Brings you back to the WinTR-20 System Controller / Editor window Brings you back to the WinTR-20 System Controller / Editor window Double click on “Storm Analysis:” Double click on “Storm Analysis:” Double click on “Rainfall Distribution:” Double click on “Rainfall Distribution:” Note: (X indicates some data entered for section)

15 Import NOAA Atlas Data March 2009 Import NOAA Data into WinTR-20 Select “Rain Table Identifier:” from pull down menu. Select “Rain Table Identifier:” from pull down menu. Click “Display Data” button for graphical view of the Rainfall Distribution. Click “Display Data” button for graphical view of the Rainfall Distribution. Click “No Changes (Close)” button to close this window. Click “No Changes (Close)” button to close this window.

16 Import NOAA Atlas Data March 2009 Smooth Curve Standard Curve

17 Import NOAA Atlas Data March 2009 Import NOAA Data into WinTR-20 From “File” menu, select “Save As” – give a file name and location. From “File” menu, select “Save As” – give a file name and location. “Run” button is now available. “Run” button is now available.

18 Import NOAA Atlas Data March 2009 Import NOAA Data into WinTR-20 Try to “Run” WinTR-20 Try to “Run” WinTR-20 Generated WinTR- 20 Error File Generated WinTR- 20 Error File - No Stream Reach data - No Sub-Area data.

19 Import NOAA Atlas Data March 2009 Import NOAA Data into WinTR-20 Warning – do not import NOAA Atlas data to an existing WinTR-20 file using the WinTR-20 Controller/Editor. The existing data will be erased and replaced by NOAA Atlas Data. Warning – do not import NOAA Atlas data to an existing WinTR-20 file using the WinTR-20 Controller/Editor. The existing data will be erased and replaced by NOAA Atlas Data. Instead, save the WinTR-20 input file containing NOAA Atlas Data, close WinTR-20, and use Notepad to copy and paste the data into the existing WinTR-20 data file. Instead, save the WinTR-20 input file containing NOAA Atlas Data, close WinTR-20, and use Notepad to copy and paste the data into the existing WinTR-20 data file.

20 Import NOAA Atlas Data March 2009 The End

21 Import NOAA Atlas Data March 2009