Area Forecast Discussion
Issued by NWS Las Vegas, NV
Issued by NWS Las Vegas, NV
466 FXUS65 KVEF 271845 AFDVEF Area Forecast Discussion National Weather Service Las Vegas NV 1145 AM PDT Sat Apr 27 2024 .SYNOPSIS...Breezy and seasonably cool today, with just low shower chances in our far northeastern areas. Temperatures warm Sunday through Tuesday as afternoon breezes persist. A mid-week system brings a brief cooldown and increased winds, but warming quickly resumes to end the week. && .DISCUSSION...through Friday. Yesterday`s system has moved east, now causing havoc across the Central and Southern Plains in the form of severe storms. In its wake, our CWA is left under dry, northwesterly flow. PoPs are less than 5% in all areas except far eastern Lincoln County and the AZ Strip, where a vort max rotating around the back side of the upper- low is spurring 10-20% PoPs. If any showers develop in these areas, they`ll be very light and brief. Otherwise, the only thing we`ll have to contend with today is breezy north winds (15-30 mph) and temperatures slightly below normal (still in the 70s and low 80s). Tomorrow through Tuesday, the upper-level flow begins to gradually become more zonal, allowing temperatures to warm. By mid-week, ensemble guidance shows a trough diving south through the Great Basin and into at least the northern portions of the CWA. There remains some uncertainty in how far south the base of the trough gets, but at the moment it looks like a minor wind-maker and cooldown. Latest NBM gives at 20-40% chance of impactful winds in our area, with the highest odds over our California zones. In terms of temperatures, guidance suggests a brief drop to near-normal values on Thursday, followed by a quick return to above-normal temps on Friday. PoPs during this time remain less than 5%. Overall, it appears that a relatively benign week of weather lies ahead. Dry conditions prevail and HeatRisk remains little-to-none, so we`ll just have to keep an eye on the chance of mid-week wind impacts. && .AVIATION...For Harry Reid...Gusty north-northwest winds will continue through the afternoon with speeds between 25 and 30 kts. Gusts will decrease in speed and frequency around 22Z, though isolated instances of gusts 20-25 kts will persist until sunset when the wind direction will become west-southwesterly. Light and diurnal winds expected Sunday with no operationally significant cloud cover through the TAF period. For the rest of southern Nevada, northwest Arizona and southeast California...Gusty north-northwest winds with speeds between 25 and 30 kts will continue for the Las Vegas Valley TAF sites through the afternoon before gradually decreasing into the evening. KBIH, KIFP, and KEED will experience a similar wind pattern to the Las Vegas Valley, but with slightly lesser speeds... between 20 and 25 kts. KDAG will experience sustained west winds around 15 kts before gusts pick up after sunset to 25 kts. Light and diurnal winds expected Sunday with no operationally significant cloud cover through the TAF period. && .SPOTTER INFORMATION STATEMENT...Spotters are encouraged to report any significant weather or impacts according to standard operating procedures. && $$ DISCUSSION...Woods AVIATION...Varian For more forecast information...see us on our webpage: https://weather.gov/lasvegas or follow us on Facebook and Twitter