Area Forecast Discussion
Issued by NWS Corpus Christi, TX

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FXUS64 KCRP 201744 AAC
AFDCRP

Area Forecast Discussion...UPDATED
National Weather Service Corpus Christi TX
1144 AM CST Mon Nov 20 2017

.DISCUSSION...Weak convection is about to move out of the northern
coastal plains as the short wave trough continues to move to the
east. Isolated showers will remain possible over the coastal
waters this afternoon.

Isentropic upglide will continue to increase around 295K level
through the afternoon. Band of clouds around 5-6 kft will advance
north-northeast across the coastal plains through the rest of the
afternoon into this evening. Adjusted sky cover to reflect this.
Lowered highs slightly over the southern Coastal Bend also. See
Aviation section for 18Z TAFs.

&&

.AVIATION...VFR conditions will continue this afternoon into this
evening across South Texas. Satellite imagery shows band of clouds
increasing from Deep South Texas into the Coastal Bend as moisture
advects north-northeast around the 5 kft level. This band of
clouds is expected to lower to MVFR levels this evening over the
Coastal Bend and later tonight over the Victoria Crossroads. Low
level flow will veer to southwesterly late tonight pushing this
moist layer to the east. Expect clouds to scatter out late tonight
over the inland coastal plains where patchy fog/MVFR vsby could
develop. VFR conditions will be prevalent by 15Z Tuesday.


&&

.PREVIOUS DISCUSSION... /Issued 740 AM CST Mon Nov 20 2017/

DISCUSSION...Short wave trough moving through South Texas early
this morning. 12Z CRP sounding showed steep mid level lapse rates
with adequate mid level moisture. Isolated thunderstorms moving
across the southern Coastal Bend will continue to move east into
the coastal waters this morning. Even had report of small hail
with thunderstorm near Orange Grove. Updated forecast to include
mention of isolated thunderstorms for the southern Coastal Bend
and coastal waters this morning. Short wave trough will move east
of the region by this afternoon with only lingering slight chance
of rain over the offshore waters.

&&

.PRELIMINARY POINT TEMPS/POPS...
Corpus Christi    72  57  83  56  71  /  20  10  10  20  10
Victoria          71  54  79  54  70  /  20  10  10  20  10
Laredo            71  56  82  54  71  /  10   0   0  10   0
Alice             73  53  84  54  72  /  10  10   0  10  10
Rockport          72  60  78  57  70  /  20  10  10  20  10
Cotulla           72  50  82  51  70  /  10   0   0  10   0
Kingsville        72  55  84  56  72  /  10  10  10  20  10
Navy Corpus       72  62  81  61  70  /  20  10  10  30  20

&&

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

&&

$$

TMT/89...AVIATION


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