33°44'北 / 117°6'西 / 高度 487 m / 01:28 2026-03-21, America/Los_Angeles (UTC-7)
開始于: 2026-03-20, 11:17
到: 2026-03-21, 03:00
* WHAT...Dangerously hot conditions. Afternoon temperatures 96 to 109. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke.
* WHERE...Portions of southwest Arizona and southeast and southern California.
* WHEN...Until 8 PM MST /8 PM PDT/ Sunday.
* IMPACTS...Heat related illnesses increase significantly during extreme heat events.
Riverside
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling 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 9 1 1.
Recognize the signs and symptoms of heat-related illness. Early
signs include thirst and muscle cramps. Heat exhaustion may include:
cool, moist, pale skin; headache; dizziness; weakness or exhaustion;
nausea. The most serious illness is heat stroke, which may include:
vomiting; confusion; throbbing headache; decreased alertness or loss
of consciousness; high body temperature (above 105F); hot, dry skin;
rapid, weak pulse; rapid, shallow breathing; seizures.
NWS Phoenix AZ
2026-03-20, 11:17