Apr. 23, 2004NAME ConferenceKursinski et al. 1 NAME GPS PW & Surface Obs. Array Rob Kursinski (PI) A. Hahmann, W. Kolczynski, M. Leuthold, R. Maddox, R.

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Presentation transcript:

Apr. 23, 2004NAME ConferenceKursinski et al. 1 NAME GPS PW & Surface Obs. Array Rob Kursinski (PI) A. Hahmann, W. Kolczynski, M. Leuthold, R. Maddox, R. Mastaler, C. Minjarez U. Arizona Y. Bar-Sever JPL NASA S. Gutman FSL NOAA NSF (& NOAA?) Understand relation between PW and precipitation Understand relation between PW and precipitation Assess and improve knowledge and model representations of moisture and precipitation Assess and improve knowledge and model representations of moisture and precipitation Monitor intra- & inter-annual variations Monitor intra- & inter-annual variations Aid in forecasting Aid in forecasting GPS Puerto Penasco Combine existing GPS instrumentation plus 5 new sets of in Northwestern Mexico to C. Watts, I. Minjarez, C. Lazaraga UNISON

Apr. 23, 2004NAME ConferenceKursinski et al. 2 GPS NAME Place 5 (to 7) additional instrumentation sets in Mexico Place 5 (to 7) additional instrumentation sets in Mexico –GPS receiver, barometer, thermometer, hygrometer,anemometer & web cam –Locations being finalized Measure column water vapor & surface meteorological conditions Measure column water vapor & surface meteorological conditions –In convectively active area in SMO –In clear and cloudy conditions –5 to 30 minute sampling –Resolve diurnal water vapor cycle Internet for near real-time access & monitoring Internet for near real-time access & monitoring FSL will provide GPS processing in near real-time at 30 minute resolution FSL will provide GPS processing in near real-time at 30 minute resolution Begin by early to mid-June Begin by early to mid-June Run continuously through end of NAME Summer 04 campaign Run continuously through end of NAME Summer 04 campaign 6 Existing SuomiNet sites of UA/UNISON: Phoenix, Tucson, Mt. Hopkins, Douglas, Puerto Penasco, Hermosillo R R

Apr. 23, 2004NAME ConferenceKursinski et al. 3 GPS & Simulation Results Mt. Hopkins Tucson WRF GPS Diurnal PW variations over 4 days WRF simulation 2003 Time derivative of PW Monsoon in Tucson

Apr. 23, 2004NAME ConferenceKursinski et al. 4 Impact of Ground GPS on Analyses & Forecasts Rapid time variations in moisture captured by GPS  Significantly improve the RUC moisture analyses & forecasts during periods of rapid moisture evolution  Provides detection of radiosondes getting “wet” Analysis3 hr Forecast Courtesy of Seth Gutman, NOAA FSL RUC w/o GPS RUC w/ GPS GPS Sonde RUC w/o GPS RUC w/ GPS GPS Sonde Tucson