Photo above shows a weak tower trying to build near the University around 4 pm yesterday afternoon. Was icing out faster than it could grow and was mostly gone within about 15 minutes. High temperature yesterday at TUS was 109F. Only isolated towers around, with Nogales and Sells reporting light showers in the afternoon.
Today there is a Plains cold front pushing westward into far southeast Arizona, and El Paso has strong easterly winds in low-levels this morning. The early WRF-GFS forecasts keep what little storm activity there will be today out to the west of the Tucson metro area. The model forecasts easterly surface winds (below is surface plots from the 4 pm MST model forecast); hot temperatures; and dewpoints in the 30s - another scorcher.
East Pacific IR image at 1130 UTC (above) shows TS Hector southwest of Baja, as well as a large MCS over the southern GoC. The 1430 UTC visible image (below) indicates that the MCS is moving north-northwestward up the GoC fairly quickly. It continues to appear that MCS activity and Hector will act in concert to push moist, low-level air northward up the GoC the next couple of days.
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