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The Intermountain Precipitation Experiment

Intensive Observation Period 4

Schultz, D. M., and R. J. Trapp, 2003: Nonclassical cold-frontal structure caused by dry subcloud air in northern Utah during the Intermountain Precipitation Experiment (IPEX). Mon. Wea. Rev., 131, 2222-2246. [AMS] [PDF] [HTML] (First Annual CIMMS Outstanding Paper Award, 2005)

Intensive Observation Period 4 for the IPEX field program was held on Monday February 14.

Animated gif of regional radar

Animated gif of Boise, Idaho sounding

Frontal passage in Twin Falls, Idaho

Mesonet surface data--animated gif

• Pat Burke's bow echo page on IOP 4

• University of Utah Graduate Student project on IPEX IOP 4

• NOAA NWS/Pocatello Web page on Valentine's Day storm (IOP 4)

• NOAA ARLFRD Web page on Valentine's Day storm cold front (IOP 4)