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Found 7 results

  1. Hi everyone, I used HEC-HMS to make an uncertainty analysis which generated a uniformly distributed sample of each parameter. And then with each sampled parameter the program ran a simulation and resulted an outflow record. I made 100 realizations and the program resulted a .dss file which contained each record of the outflow and the maximum, minimum and mean outflow. I can open the .dss file with Hec-dssvue and plot or tabulate the maximum, minimum and mean flow records, but i cant plot or tabulate each particular realization record. Every time i tried to edit each realization record HEC
  2. I'm having trouble with entering large quantities of data into HEC-HMS while avoiding copy+paste errors. I am currently using HEC-DSSVue, which allows me to enter data for multiple subbasins at a time. Unfortunately, I still have to enter data separately for each month. I was looking in to making my own DSS files, or using a code to go in and directly edit my DSS files, but I'm still having trouble figuring it out. Does anyone have any tips, or their own method for entering a lot of HEC-HMS data at once (without introducing many opportunities for human error)?
  3. Hello everybody, I am a newcomer to the WMS family. These are my first questions: 1) Why HEC -1 & GSSHA have weighting gauge rainfall, but other hydrological models do not have such an option 2) when we add precipitation gauges to our model in order to create Thiessen polygons, we can only enter a single storm depth while we can have more than one gauge in our model with different storm depths. How can we add each relative storm depth for its gauge? Best Regards,
  4. Hi, First I want to thank you for your time in advance. Any advice on this will be appreciated as I have been stuck on this problem for weeks now. Here is the situation: I created this basin model with 101 sub-basins and 100 reaches. Pic attached: "Basin Model" (there is something wrong with the upload, I changed it to URL) I am using one plane approach. No collector and subcollector channel information. For the sub-basins, I use "SCS Curve Number" as Loss Method and "Kinematic Wave" as Transform Method; for the reaches, I use "Muskingum" Routing Method. As show in the att
  5. Hello, I've been using HEC-HMS for just about two years now and I'm still learning all of the details of it. I have a detention pond which is draining 1.76 acres onto a state highway. I have put in the Elevation-Area Table in the Paired Data. There is an outlet pipe (the only outlet) of 18"; it's inlet elevation is 1278.00. I'm assuming that is the very bottom of the detention pond, because in the drawing, contours are shown for this pond starting at 1279.00. When I run the 2-year Type II SCS Storm of 3.30 inches, the following error occurs and the process is aborted: "ERROR 40254:
  6. Hi folks, I am in the USA and we write our date/time in the format of "Month/Day/Year Hour:Minute:Second AM". I built an HMS model in WMS in the USA. I have imported precipitation time series and linked them to gages. I sent over the WMS files to our partners in Morocco. They open up the precipitation time series and the values are all scrambled up. My best guess is that the date/time stamp is being incorrectly interpreted as "Day/Month/Year". To test the idea, I switched my "Region and Language" setting on my computer to be "dd-MMM-yy". Sure enough, when I open up WMS and open up the files, I
  7. Hello everyone, I am new to WMS. I would like to know if it is possible to use WMS to perform real-time simulations. Both radar and gauge rainfalls are avaialbe every 10 mins. Once models (HMS, RAS, or GSSHA) are set up, I would like to have an automatic process. Thank you
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