Sunrise 6:32 AM   Sunset 8:22 PM Moonrise 4:01 PM   Moonset 3:13 AM

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FXUS64 KEWX 191655 AFDEWX

Area Forecast Discussion National Weather Service Austin/San Antonio TX 1155 AM CDT Sun May 19 2024

New AVIATION

SHORT TERM
(Today through Monday)
Issued at 210 AM CDT Sun May 19 2024

The upper level flow this morning is zonal to slightly ridging and this will continue through the short term period. The low level flow is from the southeast. This is bringing warmer, moister air to our CWA Temperatures and dewpoints are five to ten degrees higher than 24 hours ago. Patchy fog is spreading in from the coast, but it doesn't look like it will make much more progress inland. Morning clouds over the Coastal Plains and I-35 Corridor will give way to mostly sunny skies and very warm temperatures. Highs will be similar to yesterday mostly in the 90s and approaching 105 along the Rio Grande. We don't see any significant change in the pattern for tonight and Monday. The forecast is a bit of rinse and repeat.
Clouds will develop overnight over the Coastal Plains and I-35 Corridor and then give way to mostly sunny skies in the afternoon.
Both low and high temperatures will be about the same as the previous day's. Feels like the start of summer.

LONG TERM
(Monday night through Saturday)
Issued at 210 AM CDT Sun May 19 2024

The upper level ridge axis slides east Tuesday into Tuesday night.
Despite this, 500/700mb heights and temperatures remain anomalously high Tuesday afternoon, and high temperatures Tuesday will remain well above normal. By Wednesday the upper level ridge axis will stretch from the southeast U.S. into the southwest Gulf of Mexico, while a shortwave trough slides through southern California and Arizona and eventually dampens east across Texas Thursday. This will open the door for isolated to widely scattered showers and storms in the afternoons and evenings Wednesday through Friday along the Rio Grande and across the southern Edwards Plateau, Hill Country, and central Texas. Rain chances in this region are currently only in the 10-30% range. Otherwise, continued above normal temperatures with periods of hazy conditions.

AVIATION
(18Z TAFS)
Issued at 1151 AM CDT Sun May 19 2024

MVFR status continues to mix out across the TAF sites at the present time and will begin the 18z TAFs with VFR being mentioned. Some breezy winds can be expected at times during the afternoon periods but speeds should generally be less than 20 knots. Another round of MVFR and possibly IFR ceilings can be expected late tonight into tomorrow morning once again as low-level flow continues to induce nocturnal stratus. VFR should return by 17z tomorrow.

PRELIMINARY POINT TEMPS/POPS
Austin Camp Mabry 91 72 92 76 / 0 0 0 0 Austin Bergstrom Intl Airport 91 71 91 74 / 0 0 0 0 New Braunfels Muni Airport 93 72 94 75 / 0 0 0 0 Burnet Muni Airport 90 70 91 73 / 0 0 0 0 Del Rio Intl Airport 105 77 105 80 / 0 0 0 0 Georgetown Muni Airport 89 71 90 75 / 0 0 0 0 Hondo Muni Airport 96 72 98 76 / 0 0 0 0 San Marcos Muni Airport 92 71 93 74 / 0 0 0 0 La Grange - Fayette Regional 90 72 90 76 / 0 0 0 0 San Antonio Intl Airport 93 74 94 77 / 0 0 0 0 Stinson Muni Airport 94 74 96 77 / 0 0 0 0

EWX WATCHES/WARNINGS/ADVISORIES
None.

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