Area Forecast Discussion
Issued by NWS Kansas City/Pleasant Hill, MO

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FXUS63 KEAX 192322
AFDEAX

AREA FORECAST DISCUSSION
National Weather Service Kansas City/Pleasant Hill MO
622 PM CDT Wed Jul 19 2017

.Discussion...
Issued at 324 PM CDT WED JUL 19 2017

Big bubble, no trouble; minus the dangerous heat concerns through
Saturday. Earlier precipitation and associated convective cloud
debris was conveniently centered over the forecast area through much
of the day, slowing the mercury rise through much of the morning
hours. Unfortunately, the expansive cloud cover has shrunk and
thinned, with temperatures making a comeback into the upper 80s to
lower 90s. The added moisture from morning rainfall is making the
boundary layer particularly humid, with Downtown KC already reaching
a heat index of 107.

The miserable-meter will be high going forward Thursday into
Saturday, with virtually no good chance for measurable
precipitation, ample sunshine, and very hot and humid conditions.
Confidence continues the entire forecast area will experience heat
indicies reaching the 105-110 range each afternoon through Saturday.
The excessive heat warning remains in effect for much of the region.
These conditions will be such that precautions should be taken to
stay safe from the dangerous heat to avoid any heat-related illness.
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. Anyone overcome by heat should be moved
to a cool and shaded location. Heat stroke is an emergency, call
911. Young children and pets should never be left unattended in
vehicles under any circumstances.

By the weekend, the upper ridge begins to flatten out with heights
falling, with a cold front projected to move through the area late
in the weekend. A slight chance of afternoon thunderstorms will be
possible on Saturday with a weak upper disturbance moving across the
area, with an additional shot of storms Sunday as the cold front
moves through. Monday and Tuesday look to be rather pleasant in a
relative sense, with highs in the middle to upper 80s and generally
dry conditions as surface high pressure remains in control.

&&

.Aviation...(For the 00Z TAFS through 00Z Thursday Evening)
Issued at 622 PM CDT WED JUL 19 2017

VFR conditions will persist through the forecast period. Winds
will remain out of the south to southwest at the surface tonight,
and should remain sustained at around 7-8 kts overnight. Minor
low-level wind shear or low-level turbulence is possible after
midnight as winds increase in the 1-2 kft layer, but should be
minor enough not to warrant a mention in the TAF.

&&

.EAX WATCHES/WARNINGS/ADVISORIES...
KS...Excessive Heat Warning until 8 PM CDT Saturday for KSZ025-057-
     060-102>105.

MO...Excessive Heat Warning until 8 PM CDT Saturday for MOZ001>008-
     011>017-020>025-028>033-037>040-043>046-053-054.

&&

$$

Discussion...Blair
Aviation...Laflin



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