Area Forecast Discussion
Issued by NWS Corpus Christi, TX

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169
FXUS64 KCRP 112346
AFDCRP

Area Forecast Discussion
National Weather Service Corpus Christi TX
546 PM CST Mon Dec 11 2017

.DISCUSSION...

See Aviation below for 00Z TAF update.

&&

.AVIATION...

VFR will prevail across the region through the period with only
some high cirrus spreading overhead. Light westerly winds tonight
will shift to a northerly flow tomorrow morning as a weak cold
front moves through the region. Breezy conditions will develop
during the late morning into the afternoon, before relaxing
tomorrow evening.

&&

.PREVIOUS DISCUSSION... /Issued 346 PM CST Mon Dec 11 2017/

SHORT TERM (Tonight through Tuesday Night)...

Quiet conditions and generally westerly winds continue as high
pressure still has influence over South Texas weather despite it
slowly moving south and east. High clouds will also continue to
stream in from the west moving with the jet stream. Another chilly
night is in store as temperatures cool into the lower 40s with a few
spots dipping into the upper 30s, especially in the lower lying
rural areas. The next cold front to make it to South Texas is on its
way and currently moving through the Texas Panhandle. A 1034 mb high
forming in the high plains will help push the front farther south
this evening in order for the front to reach South Texas shortly
before daybreak Tuesday morning. The atmosphere will remain dry with
PWATs around 0.35 inch and keep mention of rain out of the forecast.
Northerly winds will develop behind the front Tuesday, becoming
breezy late morning through the afternoon. Weak CAA should allow
temperatures to cool a few degrees for Tuesday, with highs reaching
into the upper 60s versus the lower 70s of this afternoon. Overnight
lows Tuesday night should be cooler than tonight, with more areas
dipping into the upper 30s, with lower 40s along the immediate coast
and along the Rio Grande.

FIRE WEATHER...

Breezy conditions are expected in wake of the cold front Tuesday.
Afternoon relative humidities are expected to fall below 35% for
a majority of South Texas Tuesday afternoon, however at this time
winds are not expected to reach criteria for fire weather danger.
Continue to monitor for any possible changes.

LONG TERM (Wednesday through Monday)...

The extended part of the forecast will begin with high pressure
settled in over South Texas. A significant cooldown is not expected
behind Tuesday`s front with highs in the middle to upper 60s. A
slight warmup is expected on Thursday ahead of the next cold front.
Moisture is not overly impressive ahead of this front and any
chances of showers should be mainly confined to the Gulf Waters
Thursday night. Northerly winds will pick up Thursday night in wake
of the front and small craft advisories could become necessary for
the Gulf Waters. Temperatures will be set back about 5 to 10 degrees
on Friday with highs only in the lower to middle 60s. High pressure
once again quickly scoots to the east Friday night into Saturday
with southerly winds returning to South Texas. Warmer conditions are
expected on Saturday with temps in the upper 60s to lower 70s. Some
discrepancies arrive during the weekend regarding moisture quality
ahead of approaching front on Sunday. Will keep 20 pops in the
forecast for Saturday night and Sunday, but confidence remains on
the low side.

&&

.PRELIMINARY POINT TEMPS/POPS...
Corpus Christi    42  69  40  67  50  /   0   0   0   0  10
Victoria          41  66  36  65  45  /   0   0   0   0  10
Laredo            45  69  43  67  49  /   0   0   0   0   0
Alice             40  70  39  69  48  /   0   0   0   0  10
Rockport          47  66  44  65  53  /   0   0   0   0  10
Cotulla           41  68  39  68  45  /   0   0   0   0   0
Kingsville        40  71  39  70  49  /   0   0   0   0  10
Navy Corpus       50  69  47  66  55  /   0   0   0   0  10

&&

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

&&

$$

LB/84...AVIATION



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