Monday, May 30, 2011

May 30

We'll see another breezy day. Highest winds could be over Chihuahua based on what the RUC model is showing. Below is the 6 pm wind forecast showing a streak of high southwesterly winds across Northern Chihuahua.
The AQI forecast indicates good air quality over the state.
We have a good chance of seeing thunderstorms on Tuesday late night and into Wednesday morning. I pulled the 06Z GFS this morning and it's showing a moisture surge crossing the Rio Grande by midnight and staying until the morning at least until 6 am. Below is the GFS dewpoint map at 850mb (roughly the surface) along with surface winds at 6 am on Wednesday morning. The model backs off this dryline back toward the east later in the day.
11:30am update: The 12Z GFS is also showing the dryline crossing across the Rio Grande late Tuesday. Below is a vertical profile of relative humidity at Las Cruces at 6 am on Wednesday.

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