Area Forecast Discussion
Issued by NWS Corpus Christi, TX
Issued by NWS Corpus Christi, TX
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683 FXUS64 KCRP 092313 AFDCRP Area Forecast Discussion National Weather Service Corpus Christi TX 613 PM CDT Sun Jun 9 2024 ...New AVIATION... .SHORT TERM... (Tonight through Monday night) Issued at 316 PM CDT Sun Jun 9 2024 Key Messages: - Minor to Moderate heat risk expected for south Texas Monday - Chance (30-40%) Thunderstorms in the Brush Country Tonight The 500 mb shortwave from the Pacific is beginning to move into the Desert SW and will head over northern Mexico this evening. The expectation is that it will kick off thunderstorms in west Texas and the Hill country late this afternoon and evening. Several of the models (GFS, ARW, HRRR, NAM, ETC.) have some sort of complex of storms moving from the Hill Country to the Brush Country early Monday morning or down the Rio Grande Valley. However, the ECMWF, SREF, Etc., look to have little into our forecast area, by 12z/Monday, and begins to develop storms along the Coastal Bend. So have taken a average blend approach so that something gets into th COT by the morning, and that there is a 20-30% chance for some thunderstorms near the Coastal Bend and over the coastal waters. The models then dries things out for the afternoon and Monday night. Heat-wise, things are a little "cooler" for Monday as the highs are expected to be 90-100F and the minimum relative humidity will be 40- 65%, which produces heat index values of 100-110F. So the expectation is that there would be minor to moderate heat risk over the region. && .LONG TERM... (Tuesday through next Saturday) Issued at 316 PM CDT Sun Jun 9 2024 Key Messages: - Dangerous heat returns once again this week A shortwave in the mid-levels will dive into East Texas early to mid next week and move southeast into the Gulf. As this feature moves through the region, showers and storms will be possible across South Texas. Due to low confidence as a strong cap is expected to be in place, kept rain chances on the low end Tuesday and Wednesday. A broad area of low pressure is expected to develop mid-week through the end of the week as models are showing a mid-level low pressure developing across the Southeast US and Western Gulf. This should help keep temperatures and heat indices at bay compared to previous forecasts. Although temperature aren`t expected to be as warm as they could be, near normal to just above normal temperatures are expected. When combined with the moisture from onshore flow, moderate to major risk of heat-related impacts are expected for much of next week across South Texas with the major risk expanding in coverage as we head into next weekend. Current probabilities for heat indices to exceed 110 degrees are low to medium with a 20-30% chance Wednesday through Saturday and increasing to near 50% for next Sunday. Probabilities to exceed 115 degrees remain slim (less than 10%) through Friday and increase to 10-30% next weekend. Please continue to practice heat safety. Stay hydrated, take frequent breaks from the sun, avoid strenuous outdoor activities, wear loose and lightweight clothing, recognize the signs of heat stroke and heat exhaustion, and ALWAYS check your vehicle before locking it. Remember your pets too by bringing them inside and providing plenty of water and shelter. Additionally, check local media and government websites for cooling center locations and hours. && .AVIATION... (00Z TAFS) Issued at 609 PM CDT Sun Jun 9 2024 VFR conditions will persist through the TAF period, with brief MVFR ceilings possible near sunrise. There is a low chance of showers and thunderstorms over the Brush Country and Rio Grande Plains. Have left a mention of VCTS for COT for tonight, though confidence remains low. VCT and ALI may have a brief period of MVFR visibility during around sunrise. && .MARINE... Issued at 316 PM CDT Sun Jun 9 2024 Weak to moderate onshore flow is expected each afternoon with winds decreasing to weaker levels overnight. Low to medium chances for showers and storms will be present each afternoon Tuesday to Friday, mainly over the Gulf waters. && .PRELIMINARY POINT TEMPS/POPS... Corpus Christi 80 94 77 94 / 10 10 10 20 Victoria 75 94 73 95 / 10 20 10 20 Laredo 79 98 78 100 / 20 20 10 0 Alice 78 96 74 98 / 10 20 10 20 Rockport 81 93 80 91 / 10 20 10 20 Cotulla 78 97 78 100 / 40 30 10 0 Kingsville 80 95 76 95 / 10 20 10 20 Navy Corpus 83 91 81 91 / 20 10 10 20 && .CRP WATCHES/WARNINGS/ADVISORIES... TX...None. GM...None. && $$ SHORT TERM...JSL LONG TERM....JCP AVIATION...LS/77