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Displaying AFOS PIL: AFDCRP Received: 2019-01-12 23:44 UTC
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971 FXUS64 KCRP 122344 AAA AFDCRP Area Forecast Discussion...UPDATED National Weather Service Corpus Christi TX 544 PM CST Sat Jan 12 2019 .DISCUSSION... Updated for the 00Z Aviation Discussion. && .AVIATION... VFR through the period. Generally N-ly wind overnight around 10 KTs becoming more NE-ly toward 13Z SUN and beyond. Expect mid- level clouds to gradually increase from the south on SUN. && .PREVIOUS DISCUSSION... /Issued 309 PM CST Sat Jan 12 2019/ SHORT TERM (Tonight through Sunday Night)... Clear and chilly conditions are expected tonight as drier/colder air advects into S TX. This will also lead to much cooler mx temps on Sunday. A southwest flow aloft will begin to bring mid level clouds back across S TX through Sunday afternoon. With surface high pressure continuing to build across the area tonight, winds will be weak to moderate out of the north and northeast and will continue into Sunday. By Sunday night, the high pressure will settle across S TX with the pressure gradient relaxing, resulting in light winds. However, radiational cooling will be inhibited by increasing clouds which will result in mn temps Sunday night being similar to tonight's forecasted values. Temps are expected to be in the 40s both nights and upper 50s to around 60 Sunday afternoon. LONG TERM (Monday through Saturday)... Cool day in store for Monday as surface high pressure builds into the region and isentropic upglide maintains cloud cover. A short wave trough will move northeast through central Mexico Monday night and into the Texas Hill Country by Tuesday evening. Rain chances will increase as low level warm air advection increases above the shallow cool air mass. There will be a weak coastal trough form over the coastal waters Tuesday evening as this upper level disturbance approaches. Chances for rain will taper off by Wednesday as the system moves to the northeast. Another weak short wave trough will move into the southern plains on Thursday but the lift associated with this feature will be north of the area. Only weak low level warm air advection could provide some isolated to possibly scattered light showers over the coastal plains Thursday. A stronger short wave trough will move out of the Rockies into the southern high plains Friday. Temperatures will warm to above normal levels Thursday into Friday as low level flow veers to southwesterly. The short wave trough will send a cold front into the region early Saturday morning with highs back to around normal levels next Saturday. Rain chances with the front will be confined to the coastal plains Saturday. MARINE... A weak to moderate north to northeast flow is expected to increase to mod/strong flow overnight. A Small Craft Advisory will be in effect for tonight. Winds will relax Sunday as high pressure settles across the area, becoming weak to moderate by Sunday afternoon and night. A moderate northeast flow is expected over the Gulf waters on Monday as high pressure continues to build into the region. A weak to moderate northeast wind will occur Monday night into Tuesday. A weak coastal trough will form over the Gulf waters as an upper level disturbance approaches from the west. Scattered showers are expected Tuesday into Wednesday. Onshore flow will develop on Wednesday. A cold front will arrive early Saturday morning with a moderate to strong offshore flow expected behind the front Saturday. && .PRELIMINARY POINT TEMPS/POPS... Corpus Christi 44 60 44 56 46 / 10 10 10 10 20 Victoria 39 59 41 54 42 / 0 0 10 10 10 Laredo 48 60 45 56 45 / 0 0 10 10 20 Alice 44 60 43 56 45 / 10 10 10 10 20 Rockport 45 58 44 55 46 / 10 10 10 10 10 Cotulla 42 58 42 55 43 / 0 0 10 10 10 Kingsville 45 61 44 56 46 / 10 10 10 10 20 Navy Corpus 48 59 47 55 48 / 10 10 10 10 20 && .CRP WATCHES/WARNINGS/ADVISORIES... TX...None. GM...Small Craft Advisory from 9 PM this evening to 9 AM CST Sunday For the following zones: Coastal waters from Baffin Bay to Port Aransas out 20 NM...Coastal waters from Port Aransas to Matagorda Ship Channel out 20 NM...Waters from Baffin Bay to Port Aransas from 20 to 60 NM...Waters from Port Aransas to Matagorda Ship Channel from 20 to 60 NM. && $$ CB/85...AVIATION