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Dataset

 

DIAMET: Met Office UM vn7.3 NWP model output with diabatic theta and PV tracers

Status: Completed
Online Status: ONLINE
Publication State: Published
Publication Date: 2016-04-18
Download Stats: last 12 months

Abstract

The DIAMET project aimed to better the understanding and prediction of mesoscale structures in synoptic-scale storms. Such structures include fronts, rain bands, secondary cyclones, sting jets etc, and are important because much of the extreme weather we experience (e.g. strong winds, heavy rain) comes from such regions. Weather forecasting models are able to capture some of this activity correctly, but there is much still to learn. By a combination of measurements and modelling, mainly using the Met Office Unified Model (UM), the project worked to better understand how mesoscale processes in cyclones give rise to severe weather and how they can be better represented in models and better forecast.

This dataset contains NWP output from MetUM vn 7.3 with diabatic theta and PV tracers including mean sea level pressure, 3D atmospheric fields, precipitation-related surface field, diabatic theta tracers, and diabatic pv tracers.

Citable as:  Martinez-Alvarado, O. (2016): DIAMET: Met Office UM vn7.3 NWP model output with diabatic theta and PV tracers. NCAS British Atmospheric Data Centre, date of citation. https://catalogue.ceda.ac.uk/uuid/8979d467ac2a4ef58304e4b4edf082d7
Abbreviation: Not defined
Keywords: DIAMET, Met Office, PV, theta

Details

Previous Info:
No news update for this record
Previously used record identifiers:
No related previous identifiers.
Access rules:
Access to these data is available to any registered CEDA user. Please Login or Register for an account to gain access.
Use of these data is covered by the following licence: http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/. When using these data you must cite them correctly using the citation given on the CEDA Data Catalogue record.
Data lineage:

Data received via project team

File Format:
Data are netCDF formatted

Related Documents

 DIAMET catalogue record

Process overview

This dataset was generated by the computation detailed below.
Title Met Office operational unified model (UM) vn7.3 deployed on Reading computer
Abstract Met Office UM vn7.3 NWP model run on A Reading University Computer with diabatic theta and PV tracers with diabatic theta and PV tracers branches /dev/oma/vn7.3\_thetra\_residual/ revision number 15717 and /dev/LSaffin/vn7.3\_PV\_tracers\_budget/ revision number 16506. Output parameters include mean sea level pressure, 3D atmospheric fields, precipitation-related surface field, diabatic theta tracers, and diabatic pv tracers
Input Description None
Output Description None
Software Reference None
  • units: kg kg-1
  • long_name: CLOUD ICE CONTENT AFTER LS PRECIP
  • var_id: QCF
  • names: CLOUD ICE CONTENT AFTER LS PRECIP, QCF
  • units: kg kg-1
  • long_name: CLOUD LIQUID WATER AFTER LS PRECIP
  • var_id: QCL
  • names: CLOUD LIQUID WATER AFTER LS PRECIP, QCL
  • units: kg m-2
  • long_name: CONVECTIVE RAIN AMOUNT KG/M2/TS
  • var_id: cvrain
  • standard_name: convective_rainfall_amount
  • names: CONVECTIVE RAIN AMOUNT KG/M2/TS, cvrain, convective_rainfall_amount
  • units: kg m-2 s-1
  • long_name: CONVECTIVE RAINFALL RATE KG/M2/S
  • var_id: cvrain_1
  • names: CONVECTIVE RAINFALL RATE KG/M2/S, cvrain_1
  • units: kg m-2
  • long_name: CONVECTIVE SNOW AMOUNT KG/M2/TS
  • var_id: cvsnow
  • standard_name: convective_snowfall_amount
  • names: CONVECTIVE SNOW AMOUNT KG/M2/TS, cvsnow, convective_snowfall_amount
  • units: kg m-2 s-1
  • long_name: CONVECTIVE SNOWFALL RATE KG/M2/S
  • var_id: cvsnow_1
  • names: CONVECTIVE SNOWFALL RATE KG/M2/S, cvsnow_1
  • units: m
  • var_id: ht_1
  • standard_name: geopotential_height
  • long_name: GEOPOTENTIAL HEIGHT ON RHO LEVELS
  • names: ht_1, geopotential_height, GEOPOTENTIAL HEIGHT ON RHO LEVELS
  • units: m
  • var_id: ht
  • standard_name: geopotential_height
  • long_name: GEOPOTENTIAL HEIGHT ON THETA LEVELS
  • names: ht, geopotential_height, GEOPOTENTIAL HEIGHT ON THETA LEVELS
  • units: level
  • long_name: Hybrid height
  • var_id: hybrid_ht_1
  • names: Hybrid height
  • units: kg m-2
  • long_name: LARGE SCALE RAIN AMOUNT KG/M2/TS
  • var_id: lsrain
  • standard_name: stratiform_rainfall_amount
  • names: LARGE SCALE RAIN AMOUNT KG/M2/TS, lsrain, stratiform_rainfall_amount
  • units: kg m-2 s-1
  • long_name: LARGE SCALE RAINFALL RATE KG/M2/S
  • standard_name: stratiform_rainfall_rate
  • var_id: lsrain_1
  • names: LARGE SCALE RAINFALL RATE KG/M2/S, stratiform_rainfall_rate, lsrain_1
  • units: kg m-2
  • long_name: LARGE SCALE SNOW AMOUNT KG/M2/TS
  • var_id: lssnow
  • standard_name: stratiform_snowfall_amount
  • names: LARGE SCALE SNOW AMOUNT KG/M2/TS, lssnow, stratiform_snowfall_amount
  • units: kg m-2 s-1
  • long_name: LARGE SCALE SNOWFALL RATE KG/M2/S
  • standard_name: stratiform_snowfall_rate
  • var_id: lssnow_1
  • names: LARGE SCALE SNOWFALL RATE KG/M2/S, stratiform_snowfall_rate, lssnow_1
  • units: level
  • var_id: msl
  • long_name: Mean sea level
  • names: Mean sea level
  • units: Pa
  • var_id: p
  • long_name: PRESSURE AT MEAN SEA LEVEL
  • standard_name: air_pressure_at_sea_level
  • names: PRESSURE AT MEAN SEA LEVEL, p, air_pressure_at_sea_level
  • units: Pa
  • var_id: p
  • standard_name: air_pressure
  • long_name: PRESSURE AT RHO LEVELS AFTER TS
  • names: air_pressure, p, PRESSURE AT RHO LEVELS AFTER TS
  • units: Pa
  • var_id: p_1
  • standard_name: air_pressure
  • long_name: PRESSURE AT THETA LEVELS AFTER TS
  • names: air_pressure, p_1, PRESSURE AT THETA LEVELS AFTER TS
  • long_name: Rain
  • gcmd_url: http://vocab.ndg.nerc.ac.uk/term/P041/4/G288
  • gcmd_keyword: EARTH SCIENCE > Atmosphere > Precipitation > Rain
  • names: EARTH SCIENCE > Atmosphere > Precipitation > Rain, http://vocab.ndg.nerc.ac.uk/term/P041/4/G288
  • units: kg kg-1
  • var_id: q
  • long_name: SPECIFIC HUMIDITY AFTER TIMESTEP
  • standard_name: specific_humidity
  • names: q, SPECIFIC HUMIDITY AFTER TIMESTEP, specific_humidity
  • units: kg kg-1
  • long_name: Stash code = 321
  • var_id: tracer21
  • names: tracer21, Stash code = 321
  • units: kg kg-1
  • long_name: Stash code = 322
  • var_id: tracer22
  • names: tracer22, Stash code = 322
  • units: kg kg-1
  • long_name: Stash code = 323
  • var_id: tracer23
  • names: tracer23, Stash code = 323
  • units: kg kg-1
  • long_name: Stash code = 324
  • var_id: tracer24
  • names: Stash code = 324, tracer24
  • units: kg kg-1
  • long_name: Stash code = 325
  • var_id: tracer25
  • names: Stash code = 325, tracer25
  • units: kg kg-1
  • long_name: Stash code = 326
  • var_id: tracer26
  • names: Stash code = 326, tracer26
  • units: kg kg-1
  • long_name: Stash code = 327
  • var_id: tracer27
  • names: Stash code = 327, tracer27
  • units: kg kg-1
  • long_name: Stash code = 328
  • var_id: tracer28
  • names: tracer28, Stash code = 328
  • units: kg kg-1
  • long_name: Stash code = 329
  • var_id: tracer29
  • names: tracer29, Stash code = 329
  • units: kg kg-1
  • long_name: Stash code = 330
  • var_id: field530
  • names: field530, Stash code = 330
  • long_name: Stash code = 331
  • var_id: field531
  • names: Stash code = 331, field531
  • long_name: Stash code = 332
  • var_id: field532
  • names: field532, Stash code = 332
  • long_name: Stash code = 333
  • var_id: field533
  • names: Stash code = 333, field533
  • long_name: Stash code = 334
  • var_id: field534
  • names: field534, Stash code = 334
  • long_name: Stash code = 335
  • var_id: field535
  • names: Stash code = 335, field535
  • long_name: Stash code = 336
  • var_id: field536
  • names: field536, Stash code = 336
  • long_name: Stash code = 337
  • var_id: field537
  • names: Stash code = 337, field537
  • long_name: Stash code = 338
  • var_id: field538
  • names: Stash code = 338, field538
  • long_name: Stash code = 339
  • var_id: field539
  • names: Stash code = 339, field539
  • units: level
  • var_id: surface
  • long_name: Surface
  • names: Surface
  • units: K
  • standard_name: air_temperature
  • var_id: temp
  • long_name: TEMPERATURE ON THETA LEVELS
  • names: air_temperature, temp, TEMPERATURE ON THETA LEVELS
  • units: K
  • long_name: THETA AFTER TIMESTEP
  • standard_name: air_potential_temperature
  • var_id: theta
  • names: THETA AFTER TIMESTEP, air_potential_temperature, theta
  • units: kg m-2
  • long_name: TOTAL PRECIPITATION AMOUNT KG/M2/TS
  • var_id: tot_precip
  • names: TOTAL PRECIPITATION AMOUNT KG/M2/TS, tot_precip
  • units: kg m-2 s-1
  • long_name: TOTAL PRECIPITATION RATE KG/M2/S
  • var_id: precip
  • names: TOTAL PRECIPITATION RATE KG/M2/S, precip
  • units: m s-1
  • standard_name: eastward_wind
  • long_name: U COMPNT OF WIND AFTER TIMESTEP
  • var_id: x-wind
  • names: eastward_wind, U COMPNT OF WIND AFTER TIMESTEP, x-wind
  • units: Pa s-1
  • var_id: omega
  • long_name: UPDRAUGHT MASS FLUX (Pa/s)
  • names: omega, UPDRAUGHT MASS FLUX (Pa/s)
  • units: m s-1
  • standard_name: northward_wind
  • long_name: V COMPNT OF WIND AFTER TIMESTEP
  • var_id: y-wind
  • names: northward_wind, V COMPNT OF WIND AFTER TIMESTEP, y-wind
  • units: m s-1
  • standard_name: upward_air_velocity
  • var_id: dz_dt
  • long_name: W COMPNT OF WIND AFTER TIMESTEP
  • names: upward_air_velocity, dz_dt, W COMPNT OF WIND AFTER TIMESTEP
  • units: level
  • var_id: hybrid_ht
  • units: level
  • var_id: hybrid_ht_1
  • units: degrees
  • long_name: latitude in rotated pole grid
  • standard_name: grid_latitude
  • var_id: rlat_1
  • names: latitude in rotated pole grid, grid_latitude
  • units: degrees
  • long_name: longitude in rotated pole grid
  • standard_name: grid_longitude
  • var_id: rlon_1
  • names: longitude in rotated pole grid, grid_longitude
  • units: level
  • var_id: msl
  • var_id: rotated_pole
  • units: level
  • var_id: surface
  • var_id: t
  • long_name: t
  • names: t
  • units: degrees_east
  • var_id: x
  • units: degrees_east
  • var_id: x_1
  • units: degrees_north
  • var_id: y
  • units: degrees_north
  • var_id: y_1

Co-ordinate Variables

Coverage
Temporal Range
Start time:
2011-09-14T23:00:00
End time:
2012-08-15T22:59:59
Geographic Extent

 
65.0000°
 
-10.0000°
 
10.0000°
 
50.0000°