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Home
--Indroducing GetRealtime automated retrieval and computations of  free real-time hydrological and meteorological  data available on the web.

About
--Description and uses of the GetRealtime programs for data acquisition and computation, visual display, and data management in real-time.
 
Down Loads--
Links for free downloading latest version of programs.
 
Register--
Restister your programs and recieve a key to skip the registration reminder nag screens.
 
Help--
Help for using Getrealtime.exe, GetGraphs.exe, and GetAccess.exe.
 
GetNexrad Help--
Help for using GetNexrad.exe radar viewer and LatLongPixel.exe radar pixel locater.  Includes NASCAR Cup Series racing schedule and radar sites for ETA of storm cells.

More Stuff--
Additional software of use to hydrologists and extensions of GetRealtime that include:  

 Excel GetRegression.xls
 Excel ProbabilityGraphs.xls
 Excel Example with GoalSeek/Tips
 GetMapArea.exe
 Excel GetFlowRecord.xls
 GetNexrad.exe
 VolumeTimer.exe
 CookingTimer.exe
 ChannelStorage.exe  
 Excel ModPuls.xls
 HurricaneAlex2010Gifs.zip
 HurricaneEarl2010Gifs.zip and storms etc.
 Topo Maps on Google Earth quick & easy tip

LatLongMap
--Full screen Google Maps used by GetMapArea.exe for finding lat and long of points of interest.
 
BigMap--
Full screen Google Maps used by GetMapArea.exe for determining runoff basin boundarys.


Getting Started with Nashville Example Rainfall Runoff (Zip 9 MB)--Fully operational project example for radar rainfall, adjustment, and runoff computations for 3 subs at Nashville, TN with Hec HMS, RAS and EPA-SWMM projects.  Unzip the download to C:\ where the folder C:\GetNashville will be created and read the file READ_ME.txt..  After getting this project working then you can copy it and convert it to your basin of interest.  And here is a fully operational SNOWMELT setup example in New York.  More questions, see next Start Here!


Getting Started with Radar Rainfall--Steps for downloading and installing needed programs for radar rainfall and adjustment.  Get started here.  See Radar Rainfall Ajustment, Charlotte, NC for really how it's done.  More questions, see next Start Here!
 

Getting Started with Radar Rainfall Runoff Setup Example Harvard Gulch--A concise step by step quide to setups for using GetRealtime radar rainfall and runoff (top half).  More questions, see Help! at top. 


Getting Started with Snowmelt (Zip 9 MB)--Fully operational project example in New York I'm using winter and summer.  If the radar over shoots and leaves you high and dry... just set the midnight snow water equivelant from heated gages or NOAA swe and let the melt or rain on snow proceed... and shell Hec-Ras for ice jams I guess.

Example GetRealtime installed on a MS Azure Cloud Web Site to provide real-time flood aware web services 24/7 (Walter Schoel Engineering, Birmingham, Alabama).

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Case studies in real-time
(GetRealtime has been improved over the years as reflected in these
studies, so be sure to check out the latest results near the bottom of
each web page... actually it's the input rainfall that's been improved.)
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Radar Rainfall Ajustment, Charlotte, NC--Confidence building using 3 Wundergages to adjust radar rainfall at 6 USGS rain gages and an adjusted basin runoff comparisons.  Also includes comparison of super res Level 2, Composite N0Q, and good ol' N0Q... yes, N0Q cleans their clock... I hope!  Study completed but is still an important read.
 
Flood control reservoirs at Houston, TX--Reservoir storage release ratings were constructed for 2 flood control reservoirs on Buffalo Bayou above Houtson actively operated using Hurricane Harvey 30", 2000 year(?) rainfall with current flood relase forecasts.

114 sqmi Oneida Creek at Oneida, NY
-- Snowwpack & Melt/Rainfall Runoff Comparisons in Real-Time.  Study started again Oct 1, 2017 using A2M multi-radar multi-sensor 2-minute rain rates for winter snowfall to see if no adjustment and less overshoot can be found.  N0Q study ended with Nexrad Product dual pol Total Rainfall PTA a complete dud. Also the NWS runoff forecast had forecast zero rise in stage while N0Q was showing Major flood stage because of Nowcasts and just plain way better rainfall than Nexrad - PTA and so A2M is just a winter thing for one last try for frozen rain gages and radar overshoot.  A2M has been showing promise at my Burro Cr AZ recent summer comparisons just below.

168 sqmi Bear Creek below Ashland, OR-- Nexrad 5-Minute Radar Rainfall/Snowmelt-Runoff Comparisons in Real-Time With Radar1-HR Ratio Adjustments and Contiuous SCS Curve Number Soil Flood Potential.  Updated routings for automated scheduling of dam releases and canal diversions for active operations for an irrigation district.

40 sqmi Mill Creek at Dalton, GA-- Nexrad 5-Minute Radar Rainfall-Runoff Comparisons in Real-Time With Radar1-HR Ratio Adjustments and Contiuous SCS Curve Number Soil Flood Potential.  Shows reservoir operations for 2 reservoirs not actively operated.

Runoff Comparison in San Joaquin Valley, CA--Comparisons of  Nexrad radar generated area averaged rainfall and snowmelt runoff with a USGS stream gage in San Joaquin Valley, CA.  Study Part 1 ended 5/18/2011.  Part 2 added snowpack/melt but ended with a Snafu and a Fubar.  Part 3 winter 2013 redeems Snafu and Fubar using hourly adjusted radar and continuous SCS loss methods. Study continues and includes the NWS 7-day hourly weather forecast and 3-hour Nowcassts for computation of projected rain/melt and runoff.

Large 610 sqmi Burro Creek Basin nr Bagdad, AZ was subdivided to see if runoff computations could be improved for this dry desert basin with some winter snowpack using N0Q and NCQ.  Because of bad results due to distance from radar sites and few rain gages, radar product PTA storm total was tried without success so now multi-radar multi-sensor product A2M unadjusted rainfall rate is currently being evaluted.

Radar Rainfall 3-hr NOWCAST Comparisons from around the USA--Gallery of ongoing comparisons of  Nowcasts using Lagrangian frame of reference by moving subbasins upwind each 5 minutes on last radar image to see how well they work... or not.  Includes NWS 7 day and HRRR 18 hour.

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Past real-time examples of NEXRAD rainfall and runoff  studies.
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Quick Setup for Urban Nashville, TN--Let see how GetRealtime does in Tennessee with minimal effort on my part.  Listed are my notes needed to quickly set this basin up, the adjusting Wundergages, and to subdivide it.  Includes a quick look at the frequencies of the epic May 2010 radar.

114 sqmi Oneida Creek at Oneida, NY-- Nexrad 5-Minute Radar Snowpack & Melt/Rainfall Runoff Comparisons in Real-Time With Radar1-HR Ratio Adjustments and Contiuous SCS Curve Number.  Study ended with Nexrad Product dual pol. Total Rainfall PTA a complete dud.  Also the NWS runoff forecast had forecast zero rise in stage while GetRealtime was showing Major flood stage because of Nowcasts and just plain way better rainfall than NWS - PTA.
 
80 sqmi Napa River above St Helena, CA-- Nexrad 5-Minute Radar Rainfall-Runoff Comparisons in Real-Time With Radar1-HR Ratio Adjustments and Contiuous SCS Curve Number Soil Flood Potential.  Shows reservoir operations for a reservoir not actively operated.

Runoff Comparison in Las Vegas, NV--Comparisons of  Nexrad radar generated area averaged rainfall runoff with a USGS stream gage and tipping bucket network in Las Vegas Valley, NV.  Includes adjusted radar rainfall error comparisons at the tipping buckets.

Web Automation Demo--Demonstrates GetRealtime's automation in real-time web dissemination of runoff and forecasts imagery using the large and complex Tallapoosa River Basin at Harris Dam, AL.  Let's see if we can simplify things and tame this big beast with radar.

Runoff Computations for Maurice River NJ--A temporary setup example for the swampy Maurice River near Norma, NJ.

Rainfall Comparisons Blue Ridge Mtns, NC--Comparisons of 3 simultaneous Nexrad radar sites generated point rainfall amounts with tipping bucket rain gages and with a 90.8 sqmi catchment with snowpack, melt, and runoff..  Radar rainfall adjusted hourly.
 
Snowfall Precip/Pack/Melt Comparisons--Comparisons of  Nexrad radar generated point snow water equivilants with Sierra snow gauges (and Fargo).  With a radar over shoot discussion and computation.

Runoff Comparisons in Arizon--Comparisons of four  Nexrad radar generated area averaged rainfall runoff with USGS stream gages in the northwestern Arizona deserts and canyon lands that just never did too well but may be resussitated someday.

ET and Rainfall along the Lower Colorado River, AZ-CA--Ongoing comparison of  CIMIS vs Wunderground Evapotranspiration computations and Nexrad radar generated point and area averaged rainfall at irrigated farm districts of the sunny southwestern deserts (and an African example).

Rainfall Comparisons--Comparisons of  Nexrad radar generated point rainfall amounts with tipping bucket rain gages.  Includes hypothedical peak runoff comparisons for those foolishly daring to go beyond daily rainfall totals (this aint pretty).  Study ended 5/18/2011.
 
More Rainfall Comparisons Ft Lauderdale, FL--Comparisons of  different Nexrad radar products generated point rainfall amounts with tipping bucket rain gages
 
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How To Videos on Youtube.

These Youtubes were made before the great N0Q reflectivity images became available and so where ever it says N0R, I really mean N0Q!!! And always use Lat/Long scaling, and convert to radar pixels with LatLongPixesFromFile.exe,  Lat/Longs can be really useful later.  And always - negative dsids for radar and +dsids for gages... unlike the videos.
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GetRealtime Videos:
Getting Started with GetRealtime
Clearing examples and adding your own data stations
Real-time Record of Nexrad Radar Area Averaged Rainfall
Estimating Triangular Unit Graph Coefficients with GetMapArea
Computation of Runoff from real-time rainfall record

GetNexrad Videos:
Getting Started with Nexrad Radar Loops
NASCAR Racing Fans Rainstorm to Race Track ETA
New & Improved Graphical ETA for Any Location
Determine Nexrad Radar Point Locations
NEXRAD Radar image basin area averaged rainfall

GetMapArea Videos:
Getting Started and EPA hyrdrographic units on Google Earth
Estimating a 100-Year storm runoff with GetMapArea
NEXRAD Radar image basin area averaged rainfall
Estimating Triangular Unit Graph Coefficients with GetMapArea
Computation of Runoff from real-time rainfall record



Year DST Begins at 2 a.m. DST Ends at 2 a.m.
2009 March 08 November 1
2010 March 14 November 7
2011 March 13 November 6
2012 March 11 November 4
2013 March 10 November 3
2014 March 09 November 2
2015 March 08 November 1
2016 March 13 November 6
2017 March 12 November 5
2018 March 11 November 4

Updated GetRealtime_datatypes.txt

 
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