Area Forecast Discussion
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632 FXUS64 KEPZ 201026 AFDEPZ Area Forecast Discussion National Weather Service El Paso Tx/Santa Teresa NM 426 AM MDT Thu Jun 20 2024 ...New SYNOPSIS, DISCUSSION, FIRE WEATHER... .SYNOPSIS...
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Issued at 326 AM MDT Thu Jun 20 2024 Thursday will be the coolest day of the period as plenty of clouds and some rain showers will be overhead. Remnants of Tropical Storm Alberto will help keep moisture locked in over the area leading to rain chances areawide the next couple days. Rain chances persist over the weekend as well with gradual warming of temperatures. Our next triple digit high temperatures could be seen as early as Sunday as high pressure migrates to the area. Hot temperatures will persist early to mid week next week with monsoonal rain and thunderstorms expected each afternoon.
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&& .DISCUSSION...
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Issued at 326 AM MDT Thu Jun 20 2024 Remnants of TS Alberto will continue to inch closer to the area today keeping moisture locked in place. A tightened pressure gradient will keep breezy winds almost areawide today and into tonight. The wind advisory will continue for the NM Bootheel and locations bordering AZ which will persist through the early morning hours Friday. Rain chances continue yet again this afternoon but are NOT expecting a repeat of yesterday. Instead, we`ll see cooler temperatures with cloudy skies and more of a stratiform rain for much of the area. CAPE values aren`t very impressive with values of around 200-600 J/kg but bulk shear values are plentiful west of the Rio Grande Valley (RGV) with values of 30-40kts. DCAPEs will be around 1000 J/kg east of the RGV and higher values of 1500-1600 J/kg will be found west of the valley. Stronger storms out east could still put out a decent outflow but better chances of stronger gusts from outflows will be seen out west. If storms do form out west, stronger storms have the potential for gusts to reach 40-50MPH near outflows. However, much of the rain activity should stay east of the RGV and area mountains. Winds begin to relax heading into Friday leaving breezy conditions over the area. Sustained wind speeds will be about 15-25MPH that afternoon. Even worse dynamics will be seen Friday as shear is virtually little to none and CAPE values stay pitiful at 100-500 J/kg. Expect areawide precipitation chances on Friday where stratiform rains will be seen. Skies remain cloudy into Friday as well preventing much of the convection. Mid level high pressure migrates over the Borderland by Saturday which will help suppress storms but recycled moisture trapped underneath high pressure will be enough to continue rain chances Saturday and Sunday. The focus of showers being in the area mountains and in general west of the RGV. High pressure stays parked over the area Monday through mid-week keeping rain chances for the area each afternoon. This will act somewhat monsoonal as daytime heating will get showers and t-storms going that afternoon but shuts off in the evening due to loss of heating. In addition, this high pressure will return triple digits to the lowlands as early as Sunday lasting through the end of the forecast period.
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&& .AVIATION... (06Z TAFS) Issued at 1132 PM MDT Wed Jun 19 2024 VFR conditions expected through the period with skies generally SKC- FEW through the overnight. Skies will gradually become SCT-BKN for high decks and BKN-OVC mid decks through the morning (after 12Z) and through the remainder of the day. Isolated showers possible through the day as well, confidence is low so no mention in TAF. Winds remain breezy out of the east through the overnight at 15-20 knots with gusts to 25-30 knots possible. AWW remains in effect through 14Z for KELP. Winds will remain breezy through the day and into the evening, generally out of the east to southeast. && .FIRE WEATHER...
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Issued at 326 AM MDT Thu Jun 20 2024 After a good push of moisture yesterday, min RH values will stay above critical thresholds today through the weekend. In addition, rain chances remain for much of the area today through at least Sunday. Breezy to windy southeast winds can be expected today with somewhat breezy conditions on Friday. East to southeast winds become light over the weekend keeping fire danger relatively low. Winds remain light Monday through Wednesday with monsoonal rain chances continuing each day. Temperatures will gradually increase each day starting tomorrow where triple digits return as early as Sunday for the desert lowlands. Critical min RH values are expected to return to the lowlands by Monday but light winds during this time should keep fire danger low. Ventilation rates will be generally good to excellent each day.
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&& .PRELIMINARY POINT TEMPS/POPS...
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El Paso 91 76 93 76 / 30 40 40 20 Sierra Blanca 78 66 86 65 / 60 60 40 10 Las Cruces 89 71 90 71 / 30 50 50 30 Alamogordo 88 68 89 66 / 30 40 50 20 Cloudcroft 63 51 64 49 / 60 70 70 20 Truth or Consequences 89 71 85 70 / 20 60 70 30 Silver City 84 63 82 66 / 20 60 70 50 Deming 91 69 89 69 / 20 60 60 40 Lordsburg 92 69 90 72 / 20 40 60 50 West El Paso Metro 87 73 91 74 / 30 40 40 20 Dell City 81 68 88 65 / 60 70 50 10 Fort Hancock 86 69 93 68 / 50 50 40 10 Loma Linda 78 66 84 66 / 40 50 50 10 Fabens 88 71 93 71 / 40 50 40 20 Santa Teresa 87 70 90 70 / 30 50 50 30 White Sands HQ 86 74 88 75 / 40 50 50 30 Jornada Range 87 66 88 67 / 30 60 60 30 Hatch 90 68 90 69 / 30 60 60 30 Columbus 91 71 90 73 / 30 50 60 40 Orogrande 84 70 87 69 / 40 40 50 20 Mayhill 68 55 73 53 / 60 70 80 20 Mescalero 75 55 74 52 / 40 70 70 20 Timberon 70 51 72 51 / 60 60 70 20 Winston 80 56 77 58 / 10 70 80 40 Hillsboro 85 65 83 67 / 30 70 80 40 Spaceport 87 64 85 65 / 30 60 60 30 Lake Roberts 85 59 82 62 / 20 70 80 40 Hurley 87 63 83 64 / 20 50 70 50 Cliff 95 63 91 65 / 10 30 60 50 Mule Creek 90 66 87 70 / 20 20 50 50 Faywood 85 64 83 66 / 20 60 70 40 Animas 93 69 91 72 / 20 30 60 60 Hachita 91 67 90 70 / 20 50 60 50 Antelope Wells 92 67 91 70 / 20 40 70 60 Cloverdale 89 66 87 70 / 10 20 70 70
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&& .EPZ WATCHES/WARNINGS/ADVISORIES...
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TX...Wind Advisory until 6 AM MDT early this morning for TXZ418>420. Heat Advisory until 6 AM MDT early this morning for TXZ418-419- 423-424. NM...Wind Advisory until 3 AM MDT Friday for NMZ404>406. Wind Advisory until 6 AM MDT early this morning for NMZ411. Flood Watch until 6 AM MDT early this morning for NMZ415-416.
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&& $$ FORECASTER...37-Slusher