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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Sioux Falls SD
422 AM CDT Fri Jul 19 2019

MNZ071-097-SDZ050-053>059-063-064-200930-
Lincoln-Pipestone-Gregory-Sanborn-Miner-Lake-Moody-Brule-Aurora-
Davison-Charles Mix-Douglas-
422 AM CDT Fri Jul 19 2019

This Hazardous Weather Outlook is for southwest Minnesota, east
central South Dakota, south central South Dakota and southeast
South Dakota.

.DAY ONE...Today and tonight.

Heat and excessive humidity will remain in place today, with
afternoon and early evening heat index readings from 100 to 105
degrees.

Isolated to scattered storms are possible this evening, with an
increasing chance of storms mainly north of I-90 after midnight. The
primary threats will be heavy rainfall and up to ping pong ball size
hail, though any evening storms may be capable of damaging winds to
60 mph or an isolated tornado.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed north of I-90, mainly after
midnight.

$$



Heat Advisory

URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
322 AM CDT Fri Jul 19 2019

SDZ059-063-064-191630-
/O.EXT.KFSD.HT.Y.0008.190719T1700Z-190720T0100Z/
Davison-Charles Mix-Douglas-
322 AM CDT Fri Jul 19 2019

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

* HEAT INDEX VALUES...Up to 105 due to temperatures in the mid
  90s, and dewpoints in the lower 70s.

* TIMING...This afternoon and early evening.

* IMPACTS...The heat and humidity may cause heat stress during
  outdoor exertion or extended exposure.

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.

&&

$$



U.S. Dept. of Commerce
NOAA National Weather Service
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Silver Spring, MD 20910
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