Summary of winter weather on March 12 1999:A band of heavy rainfall moved across eastern Oklahoma on the afternoon and early evening of March 12 ahead of a powerful upper level storm system, bringing widespread rainfall amounts of one to three inches of rain. At the north end of this band where temperatures were in the mid 30s, heavy snow and sleet fell for a short time in Osage, Pawnee,…
Every event with a place to put it; 6 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 TSA wrote it up.
Summary of winter weather on March 12 1999:A band of heavy rainfall moved across eastern Oklahoma on the afternoon and early evening of March 12 ahead of a powerful upper level storm system, bringing widespread rainfall amounts of one to three inches of rain. At the north end of this band where temperatures were in the mid 30s, heavy snow and sleet fell for a short time in Osage, Pawnee, Washington and Nowata Counties. In northwestern Osage County, three inches of snow and sleet accumulated at Shidler, and two inches accumulated on the ground at Grainola. Cars in Pawhuska were covered with one inch of snow by 745 PM. Roads in Washington County turned slushy. Nowata County had 15 cars slide off of roads into ditches due to the wintry conditions. Later in the evening, snow changed back to rain and most of the snow had melted off by midnight.
The national radar mosaic for the moment the first event began.
4 heavy snow, 1 lightning, 1 flood, 1 flash flood. Local standard time, as filed.
A lightning strike caused a house fire in the 4800 block of South Victor Avenue.
Heavy rains put several city streets under one or two feet of water.
About 2 to 3 inches of rain forced the closing of several county roads west of Stilwell. A county road over Caney Creek was closed due to high water.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Oklahoma in 1999Every state in 1999This day in weather historyWarnings in Oklahoma, March 1999
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: 5688989, 5688990, 5688874, 5688875, 5688876, 5688987, 5688988.