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wwus74 kbro 270854

urgent - weather message
national weather service brownsville tx
354 am cdt sat may 27 2017

...high heat index values expected across portions of the mid

.high pressure ridging aloft will bring very warm afternoon 
temperatures across the region today. meanwhile, moderate 
southeast winds continue to usher moisture from the gulf of mexico
into deep south texas with high relative humidity values. the warm 
temperatures and high moisture values will combine to create 
elevated heat index values across much of the mid valley.

including the cities of rio grande city, roma, mcallen, edinburg,
pharr, mission, and weslaco
354 am cdt sat may 27 2017

...heat advisory in effect from 1 pm this afternoon to 6 pm cdt
this evening...

the national weather service in brownsville has issued a heat
advisory, which is in effect from 1 pm this afternoon to 6 pm cdt
this evening. 

* temperature...ranging from 98 to 104, with heat index values of

* impacts...prolonged outdoor activity without proper rest...
  hydration...or other precautionary actions may result in heat
  exhaustion or even heat stroke.

precautionary/preparedness actions...

a heat advisory is issued when the heat index...a measure of how
it feels when temperature and humidity are combined...equals or
exceeds 111 for 2 hours or more during the day.

children...the elderly...and people with chronic illness tend to
be affected the most by the heat. heat exhaustion...cramps...or 
in extreme cases heat stroke can result from prolonged exposure. 
friends...relatives...or neighbors should check on people who may 
be at risk.

take extra precautions if you work or spend time outside. when
possible...reschedule strenuous activities to early morning or
evening. if spending time outdoors...wear light weight and loose
fitting clothing and drink plenty of water. know the signs and 
symptoms of heat exhaustion or heat stroke. anyone overcome by
heat should be moved to a cool and shaded locations. heat stroke
is an emergency - call 9 1 1!

heat kills! never leave children or pets unattended in vehicles.
temperatures can become lethal in minutes...rising above 130
degrees. remember to...beat the heat and check the back seat!



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