Area Forecast Discussion
Issued by NWS Corpus Christi, TX

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FXUS64 KCRP 212052
AFDCRP

Area Forecast Discussion
National Weather Service Corpus Christi TX
352 PM CDT Fri Jul 21 2017

.SHORT TERM (Tonight through Saturday night)...

Any isolated convection over northeast sections of the area will
wane with the loss of daytime heating. Some showers may redevelop
over the Gulf Waters late tonight into early Saturday morning.
Overnight lows will range from the 70s inland to low 80s along the
immediate coast.

On Saturday, inverted trough will continue to move westward across
the Gulf. Being on the western side of this disturbance, most
locations should remain dry. The exception may be across Coastal
Bend into Victoria Crossroads where deeper moisture will reside
(PWs around or slightly above 2 inches). Will keeps pops in the 20
to 30 percent range as daytime heating and the sea breeze may
trigger some isolated convection. The heat will be an issue again
on Saturday with highs between 100 and 105 over the western Brush
Country and Rio Grande to middle 90s near Victoria. The hot temps
combined with the humid conditions will produce dangerous heat
index values. A heat advisory may be needed across portions of the
area, especially southern Coastal Bend.

Similar trend is expected tomorrow with convection subsiding during
the evening, but isolated showers then redeveloping overnight
over the Gulf Waters. Lows again will be in the 70s inland with
low 80s along the coat.

&&

.LONG TERM (Sunday through Friday)...

Surface low pressure across the southern high plains and high
pressure across the northern gulf will maintain a more moderate
onshore flow across the gulf waters through early next week, with
breezy conditions in the afternoons inland. A weak shear axis will
remain along the Texas coast Sunday, but moisture is lacking so have
cut back on POPs for Sunday and Monday. Mid level ridging builds
back to the south Tuesday, but at the surface, moisture increases
across the Middle Texas Coast on the western periphery of the
surface high. This will bring back chances for isolated to scattered
showers and thunderstorms beginning Tuesday, with most activity
being thermally driven. Temperatures through the period will remain
hot, with the humidity leading to temperatures to feel like 105 to
109 degrees daily across the majority of South Texas. Some locations
may reach 110 or greater which may require Heat Advisories on and
off through the week.

&&

.PRELIMINARY POINT TEMPS/POPS...
Corpus Christi    78  94  78  97  77  /  10  10  10  10  10
Victoria          77  96  78  97  77  /  10  30  20  20  10
Laredo            78 104  80 103  79  /   0   0   0  10  10
Alice             76 100  77 100  76  /  10  10  10  10  10
Rockport          82  94  82  94  82  /  20  20  10  10  10
Cotulla           77 102  78 102  76  /   0   0  10  10  10
Kingsville        77  98  78  98  78  /  10  10  10  10  10
Navy Corpus       82  94  83  95  84  /  20  20  10  10  10

&&

.CRP WATCHES/WARNINGS/ADVISORIES...
TX...None.
GM...None.

&&

$$

TB/78...SHORT TERM
CB/85...LONG TERM


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