Thus, principal storm threat is in mountains and danger is very heavy localized rains and flooding. This storm will move northwestward just west of Baja and will bring significant complications to the forecast process. This morning steering level winds appear to be set for almost a due northerly track but official forecast assumes the 500 mb high will re-establish westward quickly. Additionally, all the models finally build heights in the southeast and expand the sub-tropical ridge eastward while moving the southern portion of the persistent central U.S. trough westward as a very substantial inverted trough. P chart of the 12 UTC sounding from Luke Air Force Base on August 8, 1994.
Wind speeds are in knots.
The small box indicates the location of Phoenix, and the Salt and Verde River Basins are outlined. Note that over 3 inches occurred near Prescott during the afternoon and also a 2 inch in one hour report came in from the southeast.