Outflow boundary in the Bay of Campeche
Posted by JAC on 7/2/2009, 3:39 pm
 GOES-12 visible images above revealed the northward propagation of an large convective outflow boundary across the Bay of Campeche in the far southwestern Gulf of Mexico on 02 July 2009. A larger-scale GOES-12 visible image below showed that at one point this outflow occupied an area approximately the size of the state of Wisconsin!  An overpass of the QuikSCAT satellite provided WindSat data below which showed that there was southeasterly flow across the entire Bay of Campeche region, but the speeds increased from about 10-15 knots ahead of the outflow boundary to 15-25 knots behind the outflow boundary the winds at Buoy 42055 gusted to 21 knots around 12 UTC. The air temperature and dew point values barely budged with the passage of this outflow boundary, due in part to the very warm 84F or 29C water temperature.  AWIPS images of the Blended Total Precipitable Water TWP product below appeared to indicate that the TPW dropped from about 57 mm to around 46 mm in the wake of this outflow boundary.  |
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