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Katharine M. Willett
Yale University
1Publications
1H-index
83Citations
Publications 1
Newest
#1R. J. H. Dunn (Met Office)H-Index: 24
#2Kate M. Willett (Met Office)H-Index: 16
Last.L. Mitchell (Met Office)H-Index: 1
view all 4 authors...
Abstract. HadISD is a sub-daily, station-based, quality-controlled dataset designed to study past extremes of temperature, pressure and humidity and allow comparisons to future projections. Herein we describe the first major update to the HadISD dataset. The temporal coverage of the dataset has been extended to 1931 to present, doubling the time range over which data are provided. Improvements made to the station selection and merging procedures result in 7677 stations being provided in version ...
#1Kate M. Willett (Met Office)H-Index: 16
#2Claude N. WilliamsH-Index: 18
Last.David I. Berry (NOCS: National Oceanography Centre, Southampton)H-Index: 18
view all 19 authors...
The International Surface Temperature Initiative (ISTI) is striving towards substantively improving our ability to robustly understand historical land surface air temperature change at all scales. A key recently completed first step has been collating all available records into a comprehensive open access, traceable and version-controlled databank. The crucial next step is to maximise the value of the collated data through a robust international framework of benchmarking and assessment for produ...
#1Markus G. Donat (UNSW: University of New South Wales)H-Index: 27
#2Lisa V. Alexander (UNSW: University of New South Wales)H-Index: 44
Last.John Caesar (Met Office)H-Index: 18
view all 29 authors...
[1] In this study, we present the collation and analysis of the gridded land-based dataset of indices of temperature and precipitation extremes: HadEX2. Indices were calculated based on station data using a consistent approach recommended by the World Meteorological Organization (WMO) Expert Team on Climate Change Detection and Indices, resulting in the production of 17 temperature and 12 precipitation indices derived from daily maximum and minimum temperature and precipitation observations. Hig...
#1Victor VenemaH-Index: 15
#2O. MestreH-Index: 2
Last.Pavel ZahradníčekH-Index: 12
view all 32 authors...
The COST (European Cooperation in Science and Technology) Action ES0601: Advances in homogenization methods of climate series: an integrated approach (HOME) has executed a blind intercomparison and validation study for monthly homogenization algorithms. Time series of monthly temperature and precipitation were evaluated because of their importance for climate studies. The algorithms were validated against a realistic benchmark dataset. Participants provided 25 separate homogenized contributions ...
#1R. J. H. Dunn (Met Office)H-Index: 24
#2Kate M. Willett (Met Office)H-Index: 16
Last.Russ E. Vose (NOAA: National Oceanic and Atmospheric Administration)H-Index: 1
view all 8 authors...
This paper describes the creation of HadISD: an automatically quality-controlled synoptic resolution dataset of temperature, dewpoint temperature, sea-level pressure, wind speed, wind direction and cloud cover from global weather stations for 1973–2011. The full dataset consists of over 6000 stations, with 3427 long-term stations deemed to have sufficient sampling and quality for climate applications requiring sub-daily resolution. As with other surface datasets, coverage is heavily skewed towar...
#1Kate M. Willett (Met Office)H-Index: 16
#2Claude N. Williams (NOAA: National Oceanic and Atmospheric Administration)H-Index: 18
Last.D. E. Parker (Met Office)H-Index: 51
view all 8 authors...
Abstract. HadISDH is a near-global land surface specific humidity monitoring product providing monthly means from 1973 onwards over large-scale grids. Presented herein to 2012, annual updates are anticipated. HadISDH is an update to the land component of HadCRUH, utilising the global high-resolution land surface station product HadISD as a basis. HadISD, in turn, uses an updated version of NOAA's Integrated Surface Database. Intensive automated quality control has been undertaken at the individu...
#1Katharine M. Willett (Yale University)H-Index: 1
#2Steven C. Sherwood (UNSW: University of New South Wales)H-Index: 40
Thermal comfort is quantified in 15 regions using the wet-bulb globe temperature (WBGT), examining past and future rates of thresholds exceedance corresponding to moderate, high, and extreme heat (28, 32, and 35 °C, respectively). As recent changes to thermal comfort appear to be dominated by temperature and humidity, a WBGT approximation based only on these is used. A new homogenised dataset from 1973 to 2003 is developed which provides WBGT daily means, daily maximums averaged over 5-day perio...
#1Thomas C. Peterson (NOAA: National Oceanic and Atmospheric Administration)H-Index: 54
#2Kate M. Willett (Met Office)H-Index: 16
Last.Peter W. Thorne (NCSU: North Carolina State University)H-Index: 39
view all 3 authors...
[1] The temperature of the surface atmosphere over land has been rising during recent decades. But surface temperature, or, more accurately, enthalpy which can be calculated from temperature, is only one component of the energy content of the surface atmosphere. The other parts include kinetic energy and latent heat. It has been advocated in certain quarters that ignoring additional terms somehow calls into question global surface temperature analyses. Examination of all three of these component...
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