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

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474
FXUS63 KEAX 260828
AFDEAX

AREA FORECAST DISCUSSION
National Weather Service Kansas City/Pleasant Hill MO
328 AM CDT Sun Mar 26 2017

.Discussion...
Issued at 316 AM CDT SUN MAR 26 2017

The cutoff low which has been the prominent feature affecting the
local area over the last couple of days will finally be pushed
northeastward as an upper level trough advects overhead this
evening. Until this occurs, dry conditions are expected today and
temperatures will rebound slightly compared to Saturday as WAA
returns to the area. Temperatures will still be moderated to a
degree by persistent stratus and existing low level moisture.
Temps will range from the mid 50s across northern Missouri into
the lower 60s for areas south of I-70 today. As the upper level
trough approaches the region, a surface low will track well south
of the CWA overnight. This feature will lift a warm front north
into the southern half of the CWA beginning this evening, and will
provide modest isentropic ascent to fuel widespread rain showers.
Moisture availability will be favored for areas south of I-70
given the southward extent of the surface low, though still
anticipate precipitation to make it as far north as the Missouri
and Iowa border. Rain totals will approach just over the half inch
mark for areas south of I-70, with values near a quarter inch for
points north. The brevity of this system will limit the overall
precipitation totals and dry conditions will return by Monday
morning into the afternoon west to east.

Without a distinct replacement of the existing airmass throughout
the early to mid week, temperatures will more or less be moderated
to near seasonal values, also aided by persistent cloud cover.
Another mid to late week round of precip will return as a
stronger upper level system lifts northeast out of the
southwestern CONUS. This activity will likely present the best
chance for notable rainfall totals during the forecast period
across much of area. Have lowered late week high temperatures
over the far northern counties given increasing confidence in the
placement of a much colder airmass settling into the area. May
need to further reduce temperatures within this sector, in
addition to areas further south, during subsequent forecasts.
Still anticipating precip to remain in liquid form given a
substantially warm thermal profile. The unsettled pattern will
continue by the late weekend, thus rainfall deficits will be
alleviated throughout the upcoming week. Overall thunderstorm
chances will be limited, though areas across central Missouri may
see an isolated thunderstorm or two Monday morning to afternoon as
a weak instability axis develops within the warm sector.


&&

.Aviation...(For the 06Z TAFS through 06Z Sunday Night)
Issued at 1101 PM CDT SAT MAR 25 2017

The period will start out with mostly IFR ceilings and then
gradually drop down into LIFR ceilings mainly north of the KC
metro area, except for KIXD which will go LIFR, around sunrise.
The LIFR ceilings should be short lived with a rise quickly after
sunrise and a gradual clearing raising cigs above IFR by early
afternoon then VFR by the late afternoon.


&&

.EAX WATCHES/WARNINGS/ADVISORIES...
KS...NONE.
MO...NONE.
&&

$$

Discussion...Welsh
Aviation...Barham/Welsh



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