Jun 28, 2013 12:05 AM by Dave Hovde
A strong upper level ridge of high pressure will build over the Central Coast bringing a long duration heat wave to interior sections Friday through the weekend. Record or near record high temperatures are expected with critical heat conditions developing. The air mass will initially start out relatively dry with this heat wave but some monsoonal moisture may be pulled into the region by Sunday or Monday.
As a result an excessive heat warning remains in effect both Saturday and Sunday.
There is the possibility that excessive heat warnings may need to be extended beyond Sunday.
Afternoon temperatures are expected to climb to between 100 and 110 degrees. Heat index values (combination of temperature and relative humidity) are expected to range between 100 and 105 degrees each day. Warm temperatures will continue into the nighttime hours with warmest locations seeing minimum temperatures in the 70s and lower 80s.
Avoid exposure during peak heat of the day.
To reduce risk during outdoor work schedule frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency - call 911. Also never leave children, the elderly or pets in enclosed vehicles even for a short period of time. Temperatures can quickly rise to life-threatening levels.
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