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NAME GPS PW & Surface Obs. Array

NSF (& NOAA?). NAME GPS PW & Surface Obs. Array. Rob Kursinski (PI) A. Hahmann, W. Kolczynski, M . Leuthold, R. Maddox, R. Mastaler, C. Minjarez. U. Arizona. C. Watts, I. Minjarez, C. Lazaraga UNISON. GPS. GPS. GPS. S. Gutman FSL NOAA. Y. Bar-Sever JPL NASA. Puerto Penasco.

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NAME GPS PW & Surface Obs. Array

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

  2. 6 Existing SuomiNet sites of UA/UNISON: Phoenix, Tucson, Mt. Hopkins, Douglas, Puerto Penasco, Hermosillo GPS NAME • Place 5 (to 7) additional instrumentation sets in Mexico • GPS receiver, barometer, thermometer, hygrometer,anemometer & web cam • Locations being finalized • Measurecolumn 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 • FSL will provide GPS processing in near real-time at 30 minute resolution • Begin by early to mid-June • Run continuously through end of NAME Summer 04 campaign R R NAME Conference

  3. 2003 GPS & Simulation Results Monsoon in Tucson Diurnal PW variations over 4 days WRF GPS Tucson WRF simulation Mt. Hopkins Time derivative of PW NAME Conference

  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” Tucson RUC w/o GPS RUC w/ GPS GPS Sonde RUC w/o GPS RUC w/ GPS GPS Sonde Analysis 3 hr Forecast Courtesy of Seth Gutman, NOAA FSL NAME Conference

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