Talks/Seminars/Reports

Allan, R.P.(2008), Agreement/discrepancies between models and observations on the large scale hydrological cycle, Workshop on Large-scale predictions of the Hydrological Cycle, Met Office, Exeter (December). Powerpoint Presentation.

Allan, R.P., Tony Slingo, Ali Bharmal, Sean Milton, Malcolm Brooks, Mark Ringer (2008), Using GERB and CERES data to evaluate NWP and Climate models over the Africa/Atlantic region, CERES and GERB International Science Team Meeting, GISS, New York, USA (October). Powerpoint Presentation.

Allan, R.P.(2008), Tropospheric Water Vapour and the Hydrological Cycle, AGU Chapman conference on water vapor, Hawaii, USA (October). Powerpoint Presentation.

Allan, R.P.(2008), Links Between Clear-sky Radiation, Water Vapour and the Hydrological Cycle, AGU Chapman conference on water vapor, Hawaii, USA (October). Powerpoint Poster.

Allan, R.P.(2008), Contrasting Precipitation Responses to Warming: Models and Satellite Data, AGU Chapman conference on water vapor, Hawaii, USA (October). Powerpoint Poster.

Allan, R.P.(2008), Present day changes in tropical precipitation extremes in models and observations, Hadley Centre Seminar, Met Office, UK. Powerpoint Presentation.

Allan, R.P., A. Slingo, S. Milton, M. Brooks (2008), Comparisons between GERB and the Met Office NWP model, GERBILS meeting, Met Office, UK. Powerpoint

Allan, R.P.(2008), Surface radiation fluxes: comparison of NWP/Climate models/reanalyses with remote sensing estimates, Keynote speaker, EUMETSAT LANDSAF workshop, Lisbon. Powerpoint

Allan, R.P., B.J. Soden, V.John (2008), EGU Conference, Vienna Monitoring satellite observations and model simulations of changes in the atmospheric hydrological cycle since 1979 and Observed and simulated changes in water vapour, precipitation and the clear-sky longwave radiation budget of the surface and atmosphere (solicited)

Allan, R.P.(2008), Energy Balance: from a person to a planet, Lecture, Guildford GA Society. Low res PDF

Allan, R.P.(2007), Tropical Cloud Feedbacks? Lecture, MISU Sweden. Low-res PDF.

Allan, R.P.(2007), Intensification of the hydrological cycle? Seminar, Imperial College and ESSC, UK; MISU Sweden. Powerpoint Presentation.

Allan, R.P., A. Slingo, S. Milton, M.Brooks (2007), Evaluation of the Met Office global forecast model using GERB data. Royal Meteorological Society Conference , Edinburgh, UK. Powerpoint Presentation.

Allan, R.P.(2007), Changes in water vapour, clear-sky radiation and precipitation. Royal Meteorological Society Conference , Edinburgh, UK and EUMETSAT conference , Amsterdam, Netherlands, Powerpoint Presentation.

Allan, R.P., A. Slingo, S. Milton, M.Brooks (2007), Evaluation of the Met Office global forecast model using GERB data. GERB International Science Team Meeting RAL, UK. Powerpoint Presentation.

Allan, R.P. (2007), Dust and vapor cloud the view Seminar at RSMAS, Miami Powerpoint Presentation.

Allan, R.P., A. Slingo, S. Milton, M.Brooks (2006), Evaluation of the radiative energy balance in atmospheric models using satellite data, reanalyses and ground-based observations. WGNE workshop on Systematic Errors in Climate and NWP models San Francisco, USA. Poster Presentation.

Allan, R.P., A. Slingo, S. Milton, M.Brooks (2006), Evaluation of clouds and radiation in the Met Office global forecast model using GERB/SEVIRI data. GERB International Science Team Meeting Exeter, UK. Oral Presentation.

Allan, R.P. (2006), Atmospheric clear-sky longwave radiative cooling and precipitation. CERES Team Meeting Exeter, UK. Oral Presentation.

Allan, R.P., A. Slingo, S. Milton, M.Brooks (2006), Exploitation of GERB/SEVIRI data for evaluation of the Met Office global forecast model, EUMETSAT conference Helsinki, Finland. Oral Presentation.

Comer, R.E., A. Slingo and R.P. Allan, (2006), The Diurnal Cycle Observed by Meteosat-8 and Simulated by a Climate Model, EUMETSAT conference Helsinki, Finland. Oral Presentation.

Zveryaev, I. and R.P. Allan, R.P. (2006), Water Vapor Variability in the Tropics and its Links to Dynamics and Precipitation, EOS Trans. AGU 87(36), Jt. Assem. Suppl., Abstract A43H-06. Oral Presentation.

Allan, R.P., A. Slingo, S. Milton, M.Brooks (2006), Evaluation of clouds and radiation simulated by the Met Office NWP model using GERB data, EGU Conference, Vienna Poster.

Allan, R.P., P. Henderson (2006), Empirical estimate of variability in clear-sky surface longwave radiation over the ocean, EGU Conference, Vienna Poster.

Allan, R.P. (2006), Changes in clear-sky longwave radiative cooling in the atmosphere 1979-2004, GEWEX Radiative Flux Assessment meeting, Williamsburg, VA, USA Powerpoint presentation.

Allan, R.P. (2004), Cloud and water vapour variability: models, reanalyses and observations, Water Cycle Trends Workshop, Paris, November 2004. Powerpoint presentation.

ESSC Seminar, SINERGEE update, ESSC, October 7th 2004. Powerpoint presentation.

Allan, R.P. (2004), Using Satellite Observations and Reanalyses to Evaluate Weather and Climate Models, International Radiation Symposium, Busan, Korea Powerpoint presentation (see also paper in the proceedings of the IRS, 2006).

Allan R.P. (2004), Water vapour feedback observations, intergovernmental Panel on Climate Change workshop on climate feedbacks, Paris, France Powerpoint presentation.

Allan, R.P. (2004), Water vapour variability, Intergovernmental Panel on Climate Change climate sensitivity workshop, Exeter, April 2004. Powerpoint presentation.

Allan, R.P. (2003), Evaluation of Moisture in HadAM3 using 20 years of satellite data, Meeting of the Royal Meteorological Society, London Zoo, June 2003. Powerpoint presentation.


OLDER TALKS/POSTERS

Allan, R. P., K. P. Shine and A. Slingo, A Simulation of the clear-sky super-greenhouse effect, Physics of Climate Conference, London, 1997. Poster: Postscript version

Allan, R. P., Relative Humidity Variability and the Water Vapour Feedback, IUGG Conference Birmingham, June, 1999. Abstract: Postscript version

Extended visit to GFDL, August 1999. Trip Report. Postscript version

Allan, R. P., Proposed processing of GERB data. Naples, 1999. Postscript version

UM Training Course, Report. UGAMP, Reading University, March, 2000. Postscript version

GORDON Conference, Trip report, New London, CT, 24-29 June, 2000. HTML version

Wielicki, B. A., B. R. Barkstrom, T. Wong, D. Young, P. Minnis, P. Wang, R. Allan, B. Soden, J. Kiehl, D. Randall, T. Slingo, L. Donner, K. Priestley, R. B. Lee III, D. Kratz, R. N. Green, N. Loeb, G. Gibson, Large changes in tropical radiation balance from 1985 to 1998 as seen by ERBE, SCARAB, and CERES: Has tropical cloudiness changed?, Proc. Int. Radiation Symp., St. Petersburg, Russia, Saint Petersburg State University, July 2000.

Allan, R. P., Use of BSRN surface data with GERB test fluxes at Carpentras, GERB International Science Team meeting, Valencia, 2000. Postscript version plus additional figure

Allan, R. P., J. A. Pamment, M. A. Ringer and A. Slingo, EU contract number EVK2-CT-1999-00027 (ERA-40): First Annual Report on WP 4200, April 2001. Word version

IAMAS Conference, Trip Report and Abstracts, Innsbruck, July, 2001. HTML trip report and abstracts (text)

Allan, R. P., Assessment of radiation budget in pre-HadGAM runs, HadGEM validation note, 33, September, 2001. HTML version

Allan, R. P. and A. Slingo, Changes in low-latitude radiative energy budget - a missing mode of variability in climate models? External Seminar, Imperial College, September, 2001. Powerpoint version

Allan, R. P., M. A. Ringer and A. Slingo, Using ERA-40 products to verify and improve the Met Office climate model, ERA-40 Workshop, ECMWF, October, 2001. Proceedings paper (Word) and Powerpoint talk

Allan, R. P., A. Slingo and M. A. Ringer, Using reanalyses in combination with Earth Radiation Budget data to evaluate climate model simulated cloud radiative properties, GIST/CERES meeting Brussels, January, 2002. Powerpoint version

Allan, R. P., M. A. Ringer and A. Slingo, Evaluating climate model using observations of tropical radiation and water budgets, GIST meeting Leicester, May 2002 Powerpoint version

Allan, R. P., M. Ringer, Evaluating water vapour in HadAM3 using 20 years of satellite data, Hadley Centre Seminar 15 October 2002 Powerpoint version

Allan, R. P., M. A. Ringer and A. Slingo, Evaluation of climate model simulations of HIRS water vapour channel radiances, AMS meeting proceedings, Long Beasch, CA (USA), February, 2003. PDF document; PPT presentation

Ingram, W.J., R.P. Allan, Critique of Soden et al Science paper, DEFRA report, September 2002. Postscript file. | Fig1 | Fig2 |

M. A. Ringer, Allan, R. P., A. Slingo and K. Williams, Recent Studies on Tropical Cloudiness, DEFRA report, July 2002 WORD document | FIGURES | SUMMARY |

Allan, R. P. and M. A. Ringer, EVALUATION OF CLIMATE MODEL SIMULATIONS OF HIRS WATER VAPOUR CHANNEL RADIANCES, DEFRA report, October 2002 WORD document | FIGURES |

Allan, R. P., M. A. Ringer and A. Slingo, Using ERA-40 products to verify and improve the Met Office climate model, Workshop on Re-analysis, 5 - 9 November 2001 (published 2003), ECMWF. PDF document

AMS Conference, Trip Report, Long Beach, CA, February, 2003. HTML trip report and presentation and extended abstract