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Warm Season Precipitation Analyses from the NAME Event Raingauge Network (NERN) \' 02- \' 03

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Warm Season Precipitation Analyses from the NAME Event Raingauge Network (NERN) \' 02- \' 03. NERN Project Team: NCAR, U. Arizona, U. Sonora, IMADES, ITSON April, 2004 NAME Homepages: http://www.imades.cideson.mx/NAME/ http://www.joss.ucar.edu/name http://www.joss.ucar.edu/name/NHWG/.

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Warm Season Precipitation Analyses from the NAME Event Raingauge Network (NERN) \'02-\'03

NERN Project Team: NCAR, U. Arizona, U. Sonora, IMADES, ITSON

April, 2004

NAME Homepages: http://www.imades.cideson.mx/NAME/

http://www.joss.ucar.edu/namehttp://www.joss.ucar.edu/name/NHWG/

nern shuttleworth watts jimenez gochis garatuza
NERN : Shuttleworth, Watts, JimenezGochis, Garatuza
  • 100 Event logging, tipping bucket raingages
  • 6 major W-E transects traversing SMO
  • Major improvement in topographic and temporal sampling of precipitation
  • Installed 2002-2003, in operation through spring of 2006
  • Not available in real-time

Contacts: [email protected], [email protected],

[email protected]

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T6

T5

T4

T3

T2

T1

issues related to nam precipitation analyses
Issues related to NAM Precipitation Analyses
  • What are the most appropriate metrics for comparing/ validating precipitation estimates from models and remotely sensed platforms with NERN and other station-based datasets?
    • Merged datasets
    • Area integrations (NAME verif. zones, gridded anal., watershed avgs., etc.)
    • Climatology vs. case studies
    • Linking precipitation character w/ forcing mechanisms
  • Exactly how does precipitation propagate off of the SMO?
    • Modeling and NERN evidence that precipitation may move away from SMO to west AND east
  • Extending analyses to encompass larger N. American region
covariance between nams and us
Covariance between NAMS and US?:

Cont. US

  • SW – Cont. US correlations are v. weak and explain v. little of overall σ2
  • However, statistically significant evidence for weak anit-correl at lag 0 with transition to pos. correls at (US) lag 4

SW

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August 2002 – PHASE I Gauges Only

Precipitation Analyses: Topographic Dependence of the Diurnal Cycle of Wet Day Rain Rate

precipitation analyses elevation dependence of the diurnal power spectrum

Precipitation Analyses: Elevation Dependence of the Diurnal Power Spectrum

Mtn. Stations:

Yecora – 1543m

Ej. El Frijol – 1581m

La Hermita – 2716m

Plains Stations:

Tecoripa – 402m

Pericos – 71m

Mazatlan – 2m

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