Weather Alerts for Upper San Pedro River Valley including Sierra Vista/Benson, AZ

Issued by the National Weather Service

Extreme Heat Warning  EXTREME HEAT WARNING   Extreme Heat Warning
UPPER SAN PEDRO RIVER VALLEY INCLUDING SIERRA VISTA/BENSON, AZ

Areas Affected:
Upper Santa Cruz River and Altar Valleys including Nogales - Upper San Pedro River Valley including Sierra Vista/Benson - Eastern Cochise County Below 5000 Feet including Douglas/Willcox - Upper Gila River and Aravaipa Valleys including Clifton/Safford
Effective: Wed, 3/18 12:46am Updated: Wed, 3/18 10:31am Urgency: Expected
Expires: Wed, 3/18 5:15pm Severity:  Severe  Certainty: Likely

 
Details:
* WHAT...Dangerously hot conditions with high temperatures of 95 to
100 degrees expected. The hottest days are currently expected to be
Friday March 20 and Saturday March 21.

* WHERE...Eastern Cochise County below 5000 feet, Upper Gila River
Valley, Upper San Pedro River Valley, and Upper Santa Cruz River
Valley/Altar Valley.

* WHEN...From 11 AM Thursday to 8 PM MST Sunday.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.

* ADDITIONAL DETAILS...Visitors, seasonal residents, and other people
not typically accustomed to or acclimated to extreme heat are
especially urged to take precautions during the hottest hours of
the day and limit outdoor activity.

Information:
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

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.

Take extra precautions if you work or spend time outside. When
possible, reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when possible and
drink plenty of water.