[Wrf-users] UPP 3.0, WRF-ARW and hourly and 3-hourly Precip Accumulations

[Capehart, William J]

Hi Don.  We need the integrated precip value not the prate value of file-time.

From: Don Morton <don.morton at borealscicomp.com<mailto:don.morton at borealscicomp.com>>
Date: Saturday, February 20, 2016 at 09:40 MST
To: William Capehart <William.Capehart at sdsmt.edu<mailto:William.Capehart at sdsmt.edu>>
Cc: "wrf-users at ucar.edu<mailto:wrf-users at ucar.edu>" <wrf-users at ucar.edu<mailto:wrf-users at ucar.edu>>
Subject: Re: [Wrf-users] UPP 3.0, WRF-ARW and hourly and 3-hourly Precip Accumulations

Hi,

I've been generating a "prate" field with units of kg m-2 s-1 with UPP.  Is this something you could use more easily than hacking around with wgrib?

---
Don Morton, Owner/Manager
Boreal Scientific Computing LLC
Fairbanks, Alaska USA
http://www.borealscicomp.com/
http://www.borealscicomp.com/Miscellaneous/MortonBio/

On Sat, Feb 20, 2016 at 4:31 PM, Capehart, William J <William.Capehart at sdsmt.edu<mailto:William.Capehart at sdsmt.edu>> wrote:
Hi All:

I am working with our local NWS office and they are requesting GRIB output from our realtime WRF-ARW runs to have hourly precip accumulations.

Currently our experience with the UPP 3.0 tool has us able to output accumulated precip over the whole simulation in GRIB but not hourly.  We are using the prec_acc_dt = 6 option and are receiving the normal precip accumulated outputs and also the requested PREC_ACC_C, PREC_ACC_NC, and SNOW_ACC_NC fields.

UPP however is only accessing RAINNC and RAINC for output as per pages 7-9 for the output grib file and is displaying the total simulated accumulations.

Is there an easy patch for this, e.g., artfully using wgrib, gribw or hacking the UPP code that has given other people success in this area?

Thanks Much,
================================================================
Bill Capehart <William.Capehart at sdsmt.edu<mailto:William.Capehart at sdsmt.edu>>   Associate Professor
Atmospheric & Environmental Sciences            Program Director
Civil and Environmental Engineering             Hydrometeorology
213 Mineral Industries Building
South Dakota School of Mines and Technology     Skype: wcapehart
501 East Saint Joseph Street                 Ph: +1-605-394-1994<tel:%2B1-605-394-1994>
Rapid City, SD 57701-3995                Mobile: +1-605-484-5692<tel:%2B1-605-484-5692>
=================== http://capehart.sdsmt.edu ==================




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