![]() ![]() Roof damage occurred at the London House apartments, an antique mall, and several houses. ![]() Highway 75 and Adams Boulevard and moved near the intersection of Madison Boulevard and Tuxedo Boulevard. These storms produced hail up to 2.25 inches in diameter, winds up to 75 mph, damaging lightning, and flash flooding rains.Ī tornado touched down in Bartlesville near the intersection of U.S. Thunderstorms developed in southwestern Oklahoma during the evening hours on April 10th and early morning hours of April 11th and moved to the east and northeast into much of central and portions of southeastern Oklahoma. The tornado was rated an F2, and damage was estimated at $100,000. The tornado continued intermittently to the northeast, and lifted at 8:20 pm CST, just before crossing into Nowata County. Nine other people were also injured in Copan. The passenger was killed and the driver was critically injured. Two women were waiting in their car for the storm to pass, when the tornado picked the car up and tossed it into a field 250 yards to the northeast. This tornado touched down 1 mile south-southwest of Copan in Washington County at 8:05 pm CST, and destroyed a convenience store and bait shop, along with damage to other buildings and trees. Three people were injured by this tornado. Three people were injured in the automobiles and the car that was rolled was totally destroyed.Ī tornado touched down one mile east of Copan and then moved east-northeast to near Wann and South Coffeyville. The tornado moved easterly across the highway, downing 3 telephone poles, mangling fences, and damaging or destroying trees. Highway 75 six miles north of Copan, and rolled one car two times. No condensation funnel was spotted, but one witness described the storm as a low hanging square with three tails.Ī tornado struck two automobiles on U.S. ![]() Hail up to 1.5 inches fell along the path of the storm as it moved northeastward. The last evidence of the damage path was near South Coffeyville where farmstead was damaged. were damaged extensively along the tornado's path. In Washington County, both the Bartlesville and Dewey airports were heavily damaged while roofs, outbuildings, utility poles, trees, etc. Houses and business buildings were heavily damaged in Wynona and Pershing, and two children were injured by flying glass in Wynona. This tornado touched down in Wynona in Osage County and moved northeastward through Pershing before striking the Bartlesville and Dewey areas in Washington County and then dissipating near South Coffeyville in Nowata County. ![]() Significant Tornadoes in Washington County Wynona - Pershing - Bartlesville - Dewey - near South Coffeyvilleīartlesville (near US 75/Adams - near Madison/ Tuxedo) Washington County, OK Tornadoes (1950-Present*) S of Morrison - Pawhuska - near South Coffeyville Ochelata - Ramona - Oglesby - Bartlesville - Columbus KS - Lamar MO (not continuous?) The following will describe the model, the selected experiments, and the results of the comparison of predicted with observed tracer concentrations.Washington County, OK Tornadoes Prior to 1950 The model used for these simulations was the Lawrence Livermore National Laboratory (LLNL) three-dimensional, diagnostic MATHEW/ADPIC atmospheric dispersion model for complex terrain and flow conditions. Rocky Flats Plant North American Weather Consultants, Salt Lake City, UT (USA) OSTI Identifier: 5966173 Report Number(s): RFP-4333-Vol.2 ON: DE89014966 DOE Contract Number: AC04-76DP03533 Resource Type: Technical Report Resource Relation: Other Information: Portions of this document are illegible in microfiche products Country of Publication: United States Language: English Subject: 54 ENVIRONMENTAL SCIENCES MATHEMATICAL MODELS VALIDATION WEATHER FORECASTING COLORADO COMPILED DATA FIELD TESTS GROUND RELEASE PLUMES ROCKY FLATS PLANT SULFUR FLUORIDES SURFACE AIR WIND AIR DATA FEDERAL REGION VIII FLUIDS FLUORIDES FLUORINE COMPOUNDS GASES HALIDES HALOGEN COMPOUNDS INFORMATION MANAGEMENT NATIONAL ORGANIZATIONS NORTH AMERICA NUMERICAL DATA SULFUR COMPOUNDS TESTING US AEC US DOE US ERDA US ORGANIZATIONS USA WASTE DISPOSAL WASTE MANAGEMENT 500300* - Environment, Atmospheric- Radioactive Materials Monitoring & Transport- (-1989) 500200 - Environment, Atmospheric- Chemicals Monitoring & Transport- = traces plumes within the atmospheric boundary layer during two night-time, one morning transition, and one day-time period were simulated for this paper. Publication Date: Research Org.: Rockwell International Corp., Golden, CO (United States). ![]()
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