Non-Precipitation Warnings / Watches / Advisories
Issued by NWS Sioux Falls, SD

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000
WWUS73 KFSD 210912
NPWFSD

URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
412 AM CDT Fri Jul 21 2017

IAZ014-211715-
/O.EXA.KFSD.HT.Y.0004.170721T1700Z-170722T0100Z/
Clay IA-
412 AM CDT Fri Jul 21 2017

...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 8 PM CDT THIS
EVENING...

The National Weather Service in Sioux Falls has issued a Heat
Advisory, which is in effect from noon today to 8 PM CDT this
evening.

* TEMPERATURE...High temperatures will reach the mid 90s this
  afternoon and evening, with persistent high dewpoint readings
  producing heat index values from 100 to near 105 degrees.

* IMPACTS...The combination of hot temperatures and high
  humidity will increase the potential for heat-related stress
  and illness.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Heat Advisory means that a period of hot temperatures is
expected. The combination of hot temperatures and high humidity
will combine to create a situation in which heat illnesses are
possible. Drink plenty of fluids...stay in an air-conditioned
room...stay out of the sun...and check up on relatives and
neighbors.

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 light weight and loose fitting clothing when
possible and drink plenty of water.

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.

&&

$$

IAZ001-002-012-013-020>022-031-032-MNZ098-NEZ013-014-SDZ038-039-
050-052>071-211715-
/O.CON.KFSD.HT.Y.0004.170721T1700Z-170722T0100Z/
Lyon IA-Osceola-Sioux-O`Brien-Plymouth-Cherokee-Buena Vista-
Woodbury-Ida-Rock-Dixon-Dakota-Beadle-Kingsbury-Gregory-Jerauld-
Sanborn-Miner-Lake-Moody-Brule-Aurora-Davison-Hanson-McCook-
Minnehaha-Charles Mix-Douglas-Hutchinson-Turner-Lincoln SD-
Bon Homme-Yankton-Clay SD-Union-
412 AM CDT Fri Jul 21 2017

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 8 PM CDT
THIS EVENING...

* TEMPERATURE...High temperatures will reach the mid to upper 90s
  this afternoon and evening, with persistent high dewpoint
  readings producing heat index values from 100 to near 110
  degrees.

* IMPACTS...The combination of hot temperatures and high
  humidity will increase the potential for heat-related stress
  and illness.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Heat Advisory means that a period of hot temperatures is
expected. The combination of hot temperatures and high humidity
will combine to create a situation in which heat illnesses are
possible. Drink plenty of fluids...stay in an air-conditioned
room...stay out of the sun...and check up on relatives and
neighbors.

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 light weight and loose fitting clothing when
possible and drink plenty of water.

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.

&&

$$


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