Snowmelt from warming temperatures in the 60s caused minor flooding to occur.
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The episode as NWS LKN wrote it up.
Snowmelt from warming temperatures in the 60s caused minor flooding to occur.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Elko, NV wrote its last area forecast discussion before the first event at Apr 22, 11:41 PM PST, 10 hours 19 minutes earlier.
Area Forecast Discussion National Weather Service Elko NV 1241 AM PDT Sun Apr 23 2023 .SYNOPSIS...Showers and isolated thunderstorms are expected today along with warmer temperatures. A cold front passage on Monday afternoon and evening will bring gusty northwest winds to northern and central Nevada and some showers to northeast Elko County. Dry conditions with above normal temperatures are expected Tuesday through next weekend. && .SHORT TERM...Today through Sunday night A shortwave will moves across the state today, bringing scattered convective showers, with enough instability present for isolated thunderstorms. PWAT values point towards thunderstorm activity being on the dry side, with virga or gusty outflow winds. Precipitation amounts are generally expected to be around 0.10" or less, though some isolated spots with heavier convection could see up to 0.25". Snow levels will be around 8000 to 9000 feet. Warmer highs will be in the 50's and 60's. Showers will die off overnight tonight and lows will be in the mid 30's to mid 40's. A cold front will move through on Monday afternoon and evening and will spark some shower and isolated thunderstorm activity in northeastern Elko County. Otherwise, stronger NW winds will develop behind the front. These look to approach Wind Advisory thresholds, but confidence is too low at this time to issue products. Highs will continue in the 50's and 60's and lows will be cooler behind the front in the 20's and 30's. .LONG TERM...Tuesday through Sunday Models have come into better agreement for the rest of the work week and into the weekend. Tuesday both the GFS and the ECMWF now agree on taking the upper trough and associated low on a more eastward track through Utah into Colorado/New Mexico region by Wednesday, keeping any precipitation well east of Nevada. Also Wednesday, the big weather maker for the week will begin to build over the west coast. Model consensus is for a highly amplified upper level ridge of high pressure to anchor just of shore of California and build up the Pacific coast. With the ridge axis offshore, this would keep Nevada under NW to NNW flow aloft through Sunday. What this means is that a warming trend will begin Wednesday and temperature will rise each day through the weekend. The good news is that with the NW flow aloft it will act as moderator keeping the warm up from getting to strong to fast. Temperatures Tuesday will start in the upper 50s to upper 60s, as the warm up proceeds by Sunday afternoon highs will be in the low 70s to low 80s. Overnight lows look to rise as well with lows Tuesday morning in the upper 20s to upper 30s, gradually rising into the low 40s to low 50s by Sunday night. Unfortunately with the new found model consensus, the snow melt flooding threat will be rising again after Tuesday. So please stay flood aware and safe, and enjoy the return to Spring conditions responsibly. Stay away from any flooded areas and do not attempt to cross flooded roadways, creeks, and rivers. && .AVIATION...An approaching weak system will bring ISOLD to SCT -SHRA. This will cause intermittent MVFR conditions due to -SHRA, with IFR conditions in the heaviest showers. ISOLD -TSRA is possible during the afternoon across all terminals except KTPH. However, likelihood of seeing TS on station is around 15% so will use VCTS. && .HYDROLOGY...Many rivers, creeks, and streams continue to experience high flows as mountain snow from a record winter melts. Significant mountain snow remains, so additional rises are forecast through the spring. Warming throughout the upcoming week, particularly the latter half, will accelerate snowmelt, elevating the chances for flooding. A weather disturbance moving through the state today, bringing scattered showers and isolated thunderstorms to much of the area. However, hydrologic effects should be minimal as individual shower/storm motion will be quite fast limiting residence time as well as limited overall atmospheric moisture. The Flood Watches for Martin Creek near Paradise Valley, the Flood Advisory for the Humboldt at Comus, and the Flood Warning for the Humboldt River near Battle Mountain remain in effect until further notice. && .LKN Watches/Warnings/Advisories... None. && 90/98/86/90
The national radar mosaic for the moment the first event began.
1 flood. Local standard time, as filed.
An area of minor flooding occurred and water was observed over SR-226 at MM15 with small rocks spotted along the road as well.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Nevada in 2023Every state in 2023This day in weather historyWarnings in Nevada, April 2023
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 1084500.