Area Forecast Discussion
Issued by NWS Dallas/Fort Worth, TX

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FXUS64 KFWD 220524 AAB
AFDFWD

Area Forecast Discussion...UPDATED
National Weather Service Fort Worth TX
1124 PM CST Tue Nov 21 2017


.AVIATION...
VFR conditions will prevail at the TAF sites through 12z Thursday.
Skies will be mostly clear. North winds around 15 knots will
persist through 21z Wednesday with speeds decreasing to around 10
knots for the rest of the afternoon into the early evening hours.
Winds will become light and variable after 03z Thursday as high
pressure moves across the region. Winds will back around to the
southwest by 09z Thursday.

58

&&


.SHORT TERM... /Issued 314 PM CST Tue Nov 21 2017/
A cold front will slide through the entire forecast area by
early evening, reaching the Texas Gulf Coast overnight. The front
should come through dry overall with very meager moisture ahead
of it. However, we will maintain some very low PoPs across the
extreme southeast zones this evening where there may be just
enough moisture to squeeze out a few sprinkles/brief showers.

Dry, cool and subsident air will move in overnight and result in
clearing skies and cold temperatures. Wind speeds will increase
during the evening as surface high pressure builds south across
the Central Plains. The breezy north winds will keep the decoupled
boundary layer somewhat disturbed and prevent temperatures from
falling too rapidly, but we still expect lows tonight in the
middle and upper 30s across the northwest half of the area.
Overnight lows across the remainder of the region will be in the
lower and middle 40s.

79

&&

.LONG TERM... /Issued 314 PM CST Tue Nov 21 2017/
/Wednesday and Beyond/

The extended forecast will mostly consist of warm and dry
conditions with little/no chance for rain through the next 7
days.

By Wednesday morning, the cold front will be well south of the
forecast area, but north winds and cold advection will continue
throughout the day. As a result, high temperatures will struggle
to reach 60 degrees and most of the region will only reach the 50s
on Wednesday afternoon. An upper ridge will continue building
across the western half of the country which will keep us in NW
flow aloft through Thursday and Friday as a warming trend sends
temperatures back above normal.

Thanksgiving will be pleasant with temperatures about 5 degrees
above normal (60s and low 70s). A very weak front will move into
parts of North TX during the afternoon hours, but will hardly be
noticeable other than a switch to light north winds. Temperatures
will climb higher on Friday as a lee cyclone develops in the TX
Panhandle region. Some breezy south/southwest winds will allow
temperatures to climb into the 70s or even low 80s. This will be
short-lived however, as another cold front moves through the
forecast area beginning Saturday morning. Cold air behind this
system will be limited, and will only drop temperatures to near
normal at most.

Temperatures will continue to hover slightly above normal into
early next week. The ridge is progged to break down toward the
middle of the week and strong height falls should overspread much
of the Plains. The deepening trough will send a stronger cold
front into the area sometime late Tuesday or Wednesday which may
have sufficient moisture to generate a few rain showers. However,
this looks to be the only reasonable chance for rain in the next
7 days, and abnormally dry or moderate drought conditions should
continue to expand across much of the region. Otherwise, near or above-
normal temperatures are expected through the end of the month.

-Stalley

&&

.PRELIMINARY POINT TEMPS/POPS...
Dallas-Ft. Worth    40  56  36  69  45 /   0   0   0   0   0
Waco                44  58  32  68  44 /  10   5   0   0   0
Paris               36  54  32  61  41 /   5   0   0   0   0
Denton              35  55  32  68  43 /   0   0   0   0   0
McKinney            37  55  32  64  42 /   0   0   0   0   0
Dallas              40  56  36  68  46 /   5   0   0   0   0
Terrell             40  55  32  64  42 /   5   0   0   0   0
Corsicana           43  57  33  65  43 /  10   5   0   0   0
Temple              44  59  33  69  44 /  10   5   0   0   0
Mineral Wells       36  56  32  71  43 /   0   0   0   0   0

&&

.FWD WATCHES/WARNINGS/ADVISORIES...
None.
&&

$$

58


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