Dissipating showers resulted in severe wind gusts over parts of northwest Oklahoma on the evening of the 12th.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS OUN wrote it up.
Dissipating showers resulted in severe wind gusts over parts of northwest Oklahoma on the evening of the 12th.
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 Norman, OK wrote its last area forecast discussion before the first event at May 12, 7:48 PM CST, 1 hour 27 minutes earlier.
Area Forecast Discussion National Weather Service Norman OK 848 PM CDT Sat May 12 2018 .DISCUSSION... A few showers and an isoalted storm are approaching far west central Oklahoma around mid evening. Expect the storm will weaken as it approaches/moves into Oklahoma. Will need to watch for a heatburst or two this evening, otherwise dry and breezy weather is anticipated. Overnight, mid-level clouds may result in virga or a few light showers/sprinkles (western Oklahoma), but not enough to mention. && .PREV DISCUSSION... /issued 625 PM CDT Sat May 12 2018/ DISCUSSION... Please see the 00Z aviation discussion below. AVIATION... Showers and thunderstorms should remain west of all the terminals through tonight. Mid to high clouds will slowly increase from the west. Tempo MVFR cigs remain possible for a few of the terminals after 12Z tomorrow. Then, VFR cigs around 050 are expected after 16Z. Winds will remain southerly around 15 kt. && .PRELIMINARY POINT TEMPS/POPS... Oklahoma City OK 69 88 70 87 / 0 0 10 20 Hobart OK 69 90 69 92 / 10 0 20 20 Wichita Falls TX 69 90 71 90 / 0 0 20 10 Gage OK 67 94 67 93 / 20 20 30 40 Ponca City OK 71 90 70 90 / 0 0 10 20 Durant OK 69 87 69 87 / 0 0 0 0 && .OUN WATCHES/WARNINGS/ADVISORIES... OK...None. TX...None. &&
Hazardous Weather Outlook...UPDATED National Weather Service Norman OK 930 PM CDT Sat May 12 2018 OKZ004>048-050>052-TXZ083>090-140230- Harper-Woods-Alfalfa-Grant-Kay-Ellis-Woodward-Major-Garfield- Noble-Roger Mills-Dewey-Custer-Blaine-Kingfisher-Logan-Payne- Beckham-Washita-Caddo-Canadian-Oklahoma-Lincoln-Grady-McClain- Cleveland-Pottawatomie-Seminole-Hughes-Harmon-Greer-Kiowa-Jackson- Tillman-Comanche-Stephens-Garvin-Murray-Pontotoc-Coal-Cotton- Jefferson-Carter-Johnston-Atoka-Love-Marshall-Bryan-Hardeman- Foard-Wilbarger-Wichita-Knox-Baylor-Archer-Clay- 930 PM CDT Sat May 12 2018 This hazardous weather outlook is for portions of northern... western...central...and southern Oklahoma...and western north Texas. .DAY ONE...Tonight... .Strong Winds... Very strong wind gusts with heatburst may occur with dissipating showers over far western Oklahoma this evening. Occasionally, heatburst can result in strong winds of 50 to 60 mph. .DAYS TWO THROUGH SEVEN...Sunday through Friday... .Thunderstorms... A few strong to severe thunderstorms with large hail and damaging winds are possible during the afternoon and evening hours Sunday and Monday across parts of western and northern Oklahoma as well as far western north Texas. Thunderstorm chances are expected to increase across all of Oklahoma and north Texas Tuesday through Thursday. Some storms Tuesday through Thursday may be strong to severe with damaging winds as the main hazard. .Heavy Rainfall and Flash Flooding... Locally heavy rainfall of 1 to 2 inches in a short period of time from slow moving thunderstorms may cause flash flooding in a few locations across Oklahoma and north Texas Sunday through Thursday. Get graphics and more details at weather.gov/norman...and follow our weather forecast office on Twitter and Facebook.
The national radar mosaic for the moment the first event began.
1 high wind. Local standard time, as filed.
Measured by Gage ASOS. Associated with dying showers. Damage included an airport entry way blown off, 2 to 3 houses with roof damage (including some wood removed), and damage to grain bins including one that was blown down.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Oklahoma in 2018Every state in 2018This day in weather historyWarnings in Oklahoma, May 2018
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: 755460.