URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
1206 PM CDT Tue Jul 16 2019
IAZ001>003-012>014-020>022-031-032-NEZ013-014-SDZ050-063>071-
170115-
/O.CON.KFSD.EH.A.0001.190717T1800Z-190720T0000Z/
Lyon-Osceola-Dickinson-Sioux-O'Brien-Clay-Plymouth-Cherokee-
Buena Vista-Woodbury-Ida-Dixon-Dakota-Gregory-Charles Mix-Douglas-
Hutchinson-Turner-Lincoln-Bon Homme-Yankton-Union-
1206 PM CDT Tue Jul 16 2019
...EXCESSIVE HEAT WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH FRIDAY EVENING...
* HEAT INDEX VALUES...Up to 105 due to temperatures in the mid
90s, and dewpoints in the lower 70s.
 
* TIMING...Monday evening and Wednesday through Friday.
 
* IMPACTS...The heat and humidity may cause heat stress during
outdoor exertion or extended exposure.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...
 
An Excessive Heat Watch means that a prolonged period of hot
temperatures is expected. The combination of hot temperatures and
high humidity will combine to create a dangerous 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.
 
&&
 
URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
409 PM CDT Thu Jul 18 2019
IAZ020>022-031-032-NEZ013-014-SDZ068>071-190515-
/O.CON.KFSD.EH.W.0002.000000T0000Z-190720T0100Z/
Plymouth-Cherokee-Buena Vista-Woodbury-Ida-Dixon-Dakota-Bon Homme-
Yankton-Clay-Union-
409 PM CDT Thu Jul 18 2019
...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT FRIDAY...
* HEAT INDEX VALUES...Up to 110 due to temperatures in the mid
90s, and dewpoints in the mid 70s.
 
* TIMING...Through Friday.
 
* IMPACTS...Dangerously high temperatures and humidity could
quickly cause heat stress or heat stroke if precautions are
not taken.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...
 
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.
 
An Excessive Heat Warning means that a prolonged period of
dangerously hot temperatures will occur. The combination of hot
temperatures and high humidity will combine to create a dangerous
situation in which heat illnesses are likely. Drink plenty of
fluids...stay in an air-conditioned room...stay out of the sun...
and check up on relatives and neighbors.
 
Young children and pets should never be left unattended in
vehicles under any circumstances. This is especially true during
warm or hot weather when car interiors can reach lethal
temperatures in a matter of minutes.
 
&&