Area Forecast Discussion
Issued by NWS Corpus Christi, TX
Issued by NWS Corpus Christi, TX
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748 FXUS64 KCRP 181118 AFDCRP Area Forecast Discussion National Weather Service Corpus Christi TX 618 AM CDT Fri Oct 18 2024 ...New AVIATION... .SHORT TERM... (Tonight through Saturday night) Issued at 156 AM CDT Fri Oct 18 2024 Key Messages: - High risk of rip currents through Saturday night - Minor coastal flooding expected through Saturday night Temperatures today and Saturday will be much like yesterday with afternoon temperatures in the low to mid 80s and overnight lows in the 60s. Moderate to strong, generally easterly flow will continues allowing low- level moisture to return slowly to the area. A very low (<20%) chance of showers will be possible late today and tonight as a shortwave tracks along the northern portions of the area. Another weak shortwave will move across the area Saturday afternoon, which will lead to a low (10-20%) chance of showers. Minor coastal flooding and high risk of rip currents will continue through Saturday night. Water levels are expected to reach the dunes during periods of high tide. Notably, the levels have been slow to recede. P-ETSS continues to indicate levels reaching a bit above 2.5 ft MSL. && .LONG TERM... (Sunday through next Thursday) Issued at 156 AM CDT Fri Oct 18 2024 Key Messages: - Minor coastal Flooding and moderate to high rip current risk expected to continue into early next week. Main hazards expected for the upcoming week continues to be minor coastal flooding and moderate to high risk of dangerous rip currents. Confidence is moderate (40-60%) that these conditions will occur due to projected swells around 8 to 9 seconds combined with a moderate to strong easterly wind across the gulf and astronomically high tides through Monday. The P-ETSS is indicating tide levels reaching 2.5ft above MSL Sunday and Monday. Conditions are expected to improve beginning Tuesday when winds and swells are progged to subside. Otherwise, S TX will see a slight chance of showers and thunderstorms Sunday, then drier with a gradual warming trend through the middle of next week. Models prog mid level low pressure to be northwest of TX with high pressure over the NW Gulf of Mexico, placing S TX under a southwest flow aloft by Sunday. The low pressure to the northwest will lead to deepening surface low along the rockies, which will result in a tight gradient along the TX coast. This will lead to moderate to strong generally east winds which will usher deeper moisture into S TX. PWATs are progged to increase to around 1.5 inches which is slightly above normal for this time of year. The increased moisture combined with an embedded short wave aloft will bring a low (10-20%) chance of showers and thunderstorms on Sunday, mainly across the southern portions of the CWA where the moisture is deepest. High pressure then builds back across S TX, bringing drier mid levels across the region by early next week. As a result, temperatures will be on the increase and rain chances will drop below 10% through Thursday of next week. && .AVIATION... (12Z TAFS) Issued at 614 AM CDT Fri Oct 18 2024 East to southeasterly winds will continue today, with wind gusts 20 to 25 knots this afternoon. VFR conditions are expected through the TAF period. && .MARINE... Issued at 156 AM CDT Fri Oct 18 2024 A moderate to strong generally east flow can be today through Sunday. A Small Craft Advisory is in effect for the northern waters tonight through Saturday afternoon. With strong winds continuing through Sunday, Small Craft Advisories may be extended. Winds will become a moderate east to southeast flow beginning Monday. Isolated to scattered showers and thunderstorms can be Saturday through Sunday, followed by drier conditions by Monday. && .PRELIMINARY POINT TEMPS/POPS... Corpus Christi 84 70 84 72 / 10 10 20 10 Victoria 84 63 85 61 / 10 0 20 0 Laredo 84 70 87 69 / 10 10 10 0 Alice 85 67 86 68 / 10 0 20 0 Rockport 84 73 83 70 / 10 10 20 10 Cotulla 85 68 86 68 / 10 0 10 0 Kingsville 85 68 86 71 / 10 10 20 0 Navy Corpus 82 75 82 75 / 10 10 20 20 && .CRP WATCHES/WARNINGS/ADVISORIES... TX...Coastal Flood Advisory until 7 AM CDT Sunday for TXZ245-342>347- 442-443-447. High Rip Current Risk through Sunday morning for TXZ345-442-443- 447. GM...Small Craft Advisory from 7 PM this evening to 1 PM CDT Saturday for GMZ255-275. && $$ SHORT TERM...LS LONG TERM....TE AVIATION...LS/77