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MOHAVE 2009 Data Workshop IIOct 18-21, 2010
Dale Hurst Emrys HallAllen Jordan Sam Oltmans
Radiosondes&
Frostpoint Hygrometers
MOHAVE
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MOHAVE 2009 Data Workshop IIOct 18-21, 2010
RS92 (x2)ImetCFH + O3
N=6
RS92 (x2)N=8
RS92ImetFPH + O3
N=4
RS92ImetCFH + O3
N=10
MOHAVE 2009 Balloon Payloads
RS92 Data:Milo CorrectedApril 20, 2010
CFH Data:“FLV” filesSep 15, 2010
FPH Data:Version 4August 19, 2010
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MOHAVE 2009 Data Workshop IIOct 18-21, 2010
RS92 Dual Flights: Pressure Differences
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MOHAVE 2009 Data Workshop IIOct 18-21, 2010
RS92 - IMet: Pressure Differences
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MOHAVE 2009 Data Workshop IIOct 18-21, 2010
Summary Statistics: Pressure Differences
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MOHAVE 2009 Data Workshop IIOct 18-21, 2010
RS92 Dual Flights: Temperature Differences
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MOHAVE 2009 Data Workshop IIOct 18-21, 2010
RS92 - IMet: Temperature Differences
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MOHAVE 2009 Data Workshop IIOct 18-21, 2010
Summary Statistics: Temperature Differences
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MOHAVE 2009 Data Workshop IIOct 18-21, 2010
RS92 Dual Flights: Altitude Differences
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MOHAVE 2009 Data Workshop IIOct 18-21, 2010
RS92 - IMet: Altitude Differences
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MOHAVE 2009 Data Workshop IIOct 18-21, 2010
Summary Statistics: Altitude Differences
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MOHAVE 2009 Data Workshop IIOct 18-21, 2010
RS92 Dual Flights: RH Differences
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MOHAVE 2009 Data Workshop IIOct 18-21, 2010
FPRS92 – RS92: RH Differences
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MOHAVE 2009 Data Workshop IIOct 18-21, 2010
FPIMet – RS92: RH Differences
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MOHAVE 2009 Data Workshop IIOct 18-21, 2010
FPRS92 – FPIMet: RH Differences
RS92 – Imet Temperatures
eW = f(T)
RH 1/eW
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MOHAVE 2009 Data Workshop IIOct 18-21, 2010
Summary Statistics: RH Differences
RS92-RS92
FPRS92-RS92
FPIMet-RS92
FPRS92-FPIMet
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MOHAVE 2009 Data Workshop IIOct 18-21, 2010
FPRS92 – FPIMet: H2O VMR Differences (%)
RS92-Imet Pressures
VMR 1/P
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MOHAVE 2009 Data Workshop IIOct 18-21, 2010
Summary Statistics: H2O VMR Differences
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MOHAVE 2009 Data Workshop IIOct 18-21, 2010
Summary of the summaries!
Pressure: [RS92-RS92] < 1 hPa for all but 3 of 14 flights[RS92-IMet] 8 of 20 flights with inconsistent differences of 5-25 hPa
Temperature: [RS92-RS92] < 0.5°C for all but 2 of 14 flights[RS92-IMet] 16 of 20 have consistent bias of about 0.5°C (RS92 > Imet)
Altitude: [RS92-RS92] almost all differences < 100 m for 14 flights[RS92-IMet] majority of differences < 100 m, but some as large as 600 m
RH: Imet data is garbage [RS92-RS92] < 1% RH for all but 3 of 14 flights[FP-RS92] most flights agree to within 2% RH, but RHFP +1-2% RH[FP-FP] 2% RH bias from RS92-Imet T bias: RH(FPRS92) < RH(FPIMET)
H2O VMR: [FP-FP] 1-2% differences from RS92-Imet Pressure differencesH2O(FPRS92) < H2O(FPIMET) because PRS92> PIMET, especially in stratosphere