The remnants from Tropical Storm Grace dropped up to 3.76 inches of rain over Durant and poured on the rest of the southeast.
Heavy thunderstorms developed in central Oklahoma. A strong tornado touched down southwest of Purcell in McClain County and remained on the ground for 30 minutes, finally lifting 3 miles northeast of Wayne. Large hail also was reported in McClain County. Tuskahoma, Clayton, and Quinton each received over 3 inches of rain from the storms.
After coming ashore near New Orleans, the remnants of Hurricane Gustav met up with a cold front and dropped nearly 5 inches of rain over east central Oklahoma as it moved along the Oklahoma-Arkansas border.
Hail and strong wind gusts were reported in southwest Oklahoma. Minor flooding was reported in Bryan County, where Kingston recorded 4.70 inches of rain. The Weatherford (Custer County) Mesonet station recorded a peak wind of 65 miles per hour on the 4th.
The lowest daily maximum temperature reported in the state was 95 degrees at the Kenton Mesonet site. Temperatures climbed well above 100 degrees across the state. Wilburton and Marlow both reached a high of 113 degrees.
Hail up to the size of tennis balls fell near Sayre and Reydon in Beckham County.
Several weak tornadoes were spotted in northwest Oklahoma. That night, thunderstorm winds as high as 95 miles per hour struck Norman, causing damages estimated at $2.7 million. Large hail also was reported in Oklahoma City. The storms caused interruption of electrical service to an estimated 52,000 customers, including 28,000 in Norman.
North central Oklahoma was inundated by heavy rains as a front in northern Oklahoma provided lift for several rounds of storms. Up to 9 inches fell over northern Oklahoma, while other areas received an inch or more.
The combination of Tropical Storm Hermine and a cold front brought most of Oklahoma 3-6 inches of rain, with more precipitation in the southeast. The Oklahoma Mesonet station at Stigler recorded 11.2 inches of rainfall during the period and Sallisaw saw 10.4 inches. Flash flooding was prevalent in those areas. One fatality was reported near Stilwell when a vehicle was swept from the road into a flooded creek. Southern Oklahoma saw three tornadoes due to the tropical storm’s remnants. The tornadoes were weak, although one injury was reported near Colbert due to an overturned truck.
The month’s temperatures ranged from the 102-degree daily maximum recorded by Mesonet stations at Grandfield and Tipton (both in Tillman County) on the 7th to an overnight minimum of 33 degrees at the El Reno (Canadian) Mesonet site. Triple-digit temperatures were reported only on the 7th.
Storms moved across portions of the state producing high winds and heavy rainfall in some areas. The Burbank and Breckinridge Mesonet sites recorded 3.54 and 3.51 inches of rain, respectively. 2-inch hail was reported at Nelagoney and the Marshall Mesonet site recorded 73 mile-per-hour winds.
Thunderstorms developed in western Oklahoma during the evening and spread eastward overnight. Winds estimated at 60 to 70 miles per hour accompanied dime-sized hail at Hooker. Quarter-sized hail occurred near Optima, and 50 to 60 mile per hour winds were reported at Beaver and Woodward. The Oklahoma Mesonet site at Cheyenne recorded a peak wind of 59 miles per hour. Winds also destroyed a mobile home near Alex.
Severe thunderstorms were most widespread on the 7th, extending into the early morning hours of the 8th. Three-quarter inch or greater diameter hail was reported in 32 counties, including a report of 2-inch hailstones in Okarche (Kingfisher). Sixteen other counties escaped the large hail, but were buffeted by maximum winds from thunderstorms exceeding the established criteria for severe weather. The Wynona (Osage) Mesonet station recorded a peak wind of 75 miles per hour. Electrical power was out for several hours in parts of Tulsa and Muskogee counties.
Daily rainfall amounts greater than 4 inches (in addition to the Kingston report listed above) included: Wilburton (Latimer) Mesonet 5.49 inches on the 8th, Sulphur (Murray) Mesonet site 5.65 inches, Ketchum Ranch (Stephens) 5.20 inches, Tishomingo (Johnston) Mesonet 4.39 inches, and Pauls Valley (Garvin) Mesonet 4.19 inches all on the 15th, and Tishomingo 4.15 inches on the 20th.
Thunderstorms with 60 to 85 mile per hour winds struck Clinton, with a report of a maximum gust of 88 mph at the Clinton Municipal Airport. Two funnel clouds were sighted during the storms, but damage was attributed to high winds only.
A storm dropped more than 6 inches of rain at Will Rogers Airport in about 6 hours.
A mesoscale convective system (MCS) moved from the Texas Panhandle into the state overnight, bringing heavy rainfall up to 5.7 inches that resulted in significant flooding in Erick and in surrounding areas. An elderly man was rescued after his car was stranded in the high water. In Erick, water rose up to 4 feet in low-lying areas and entered businesses and homes. A baseball field was flooded, and rushing water destroyed the field’s fences.
A line of very strong thunderstorms swept through south central, central, north central and northeastern Oklahoma. Frequent lightning forced the suspension or cancellation of several Friday night high school football games in central Oklahoma. A weak tornado was confirmed near Ames. Two-and-three-quarter-inch hail was reported east of Okemah. The Chickasaw National Recreation Area near Sulphur reported an overnight rainfall of 4.61 inches. The Mesonet site north of Tishomingo recorded 4.51 inches of rain.
Damaging storms accompanied a cold front, causing 70 mile per hour winds and over 2 inches of rain in Stephens County. In Norman, a graduate student at the University of Oklahoma witnessed a rather unique event. The digital rain gauge at the meteorology department briefly recorded rain falling at an incredible rate of 12 inches per hour.
Hurricane Ike drenched eastern Oklahoma, while Tropical Storm Lowell interacted with a frontal boundary, dumping even more rain over western Oklahoma. Ike’s remnants dropped 2 to 3 inches of rain across most of the eastern third of Oklahoma, while some areas in the northwest recorded nearly 12 inches. The Fairview Mesonet site reported 11.8 inches of rain during this period.
The Beaver Mesonet site recorded a low temperature of 39 degrees after a strong cold front came through the state.
The first infusion of cold air into the state arrived on the 12th. The front touched off thunderstorms in the Panhandle. The Mesonet sites at Slapout and Beaver recorded maximum winds of 82 and 78 miles per hour, respectively.
A tornado struck Henrietta where winds destroyed several mobile homes and damaged over 20 houses. The tornado accompanied the passage of a strong cold front.
The Fairview Mesonet station recorded a peak wind of 88 miles per hour that resulted from thunderstorms passing over the site.
Thunderstorms initiated near a cold front that entered the state on the 13th, dropping hail up to baseballs (2.75 inches) over Mangum and creating strong wind gusts that damaged a grocery store in Tipton and downed numerous power poles. Flash flooding occurred near Cashion with 6 inches of water on Highway 74.
The remnants of Tropical Storm Frances provided copious amounts of precipitation in southeastern Oklahoma. Daily totals of 7.43 inches were reported at Spavinaw and 7.15 inches at Eufaula.
A well-organized frontal system, combined with moisture from the remnants of Hurricane Lydia, brought significant rainfall to much of the state. Rainfall reports included 8.20 inches at Boynton, 8.16 inches at Ada, 7.60 inches near Wetumka, and 7.57 inches at Hanna.
Southern Oklahoma received its share of rain and stormy weather when severe thunderstorms struck the area. The National Weather Service issued a tornado watch covering 24 south-central Oklahoma counties, and issued severe thunderstorm and flash flood warnings for Love and Marshall counties. Madill reported 2.87 inches of rain, Daisy reported 2.95 inches, and Ada reported 2.72 inches and winds that gusted to 65 miles per hour.
A strong upper-level low pressure system over western Oklahoma and a surface dryline over central Oklahoma aided the development of thunderstorms which produced hail, violent winds, and funnel clouds. Golfball-sized hail fell in Canadian County and 3/4-inch hail was reported in Oklahoma County. Guthrie experienced 70 mile per hour winds, and strong winds in the Miami area damaged 15 homes. Two tornado watches covered 54 of Oklahoma's 77 counties. Unconfirmed tornado reports came from observers in Logan and Oklahoma counties and from radar for Payne and Oklahoma counties.
A cold front passed through Oklahoma, bringing much-needed rain to the parched state. Apache reported over 4 inches of rain this day.
Kenton received 3.0 inches of snow this day to become the earliest measureable snowfall for autumn in Oklahoma.
Wind damage, possibly from a tornado, was reported in Ringwood (Major) early morning on the 18th. Minor flooding was reported in Pottawatomie County on the 18th. Other brief tornadoes were reported at Beaver (Beaver) on the 19th and Lookout (Woods) on the 20th. 3-inch diameter hail was reported near Plainview (Woods) on the 20th.
Strong winds near Karns were accompanied by two-and-three-quarter-inch hail. Hailstones at Boone (Caddo) were reportedly as large as 4-and-one-half inches in diameter. Mangum's monthly top temperature on the 18th was followed by a high of only 67 degrees on the following day, due to the passage of a vigorous cold front.
Unusually hot weather persisted across the state from September 15th through 19th. Temperatures at the Buffalo Mesonet site soared to 107 degrees Fahrenheit on this day, while those at Gate reached 106 degrees.
Thunderstorms in Texas County produced a tornado near Baker, golfball-sized hail and 80 mile per hour winds north of Guymon, and high water (forcing the closure of Highway 64) between Hooker and Turpin.
Two-day precipitation totals exceeded 4 inches at many locations when the remnants of Hurricane Gilbert combined with an existing frontal system over Oklahoma. Flooding resulted along Kingfisher and Cache Creeks.
Lightning from dangerous thunderstorms struck and killed two men in LeFlore County. Dime-size hail was reported in Comanche County, and El Reno experienced hail and 60 mile per hour winds.
A strong cold front crossed the state on the 18th, bringing much lower temperatures deep into Texas and the year's first significant snowfall to portions of the Rocky Mountains. In Oklahoma, low temperatures dropped into the 30's and 40's. Jefferson reported a minimum temperature of 30 degrees on this day.
Golfball-sized hail and 60 mile per hour winds were reported at Madill, large hail and damaging winds struck Bokchito, and heavy rains and golfball-sized hail fell near Haworth and Harris.
A strong cold front moved into northwestern Oklahoma and proceeded across the state. National Weather Service observers at Gate, Laverne, and Range all reported light snow, although none reported more than a trace.
A couple of F0 tornadoes touched down near Miller and near Antlers in Pushmataha County, destroying a storage building and snapping trees. An F1 touched down near Lane (Atoka), knocking down trees, destroying feed barns, snapping tops off of trees, wrapping metal around and in trees, and driving 2x4’s into the roof of a home.
A thunderstorm gust of 81 miles per hour was reported at the Boise City Mesonet site.
Downburst winds associated with thunderstorms destroyed 6 structures and damaged several others in the vicinity of Harrah. Tornadoes were reported near Crescent, east of Hucmac, near Bison, and south of Burbank. Reports to the National Weather Service indicated wind gusts as great as 100 miles per hour near Bison and a 2 3/4 inch diameter hail at Mulhall.
A stationary front remained across Oklahoma for three days, providing large quantities of rain to several locations. Prague received a daily total of 6.04 inches while Oklahoma City measured 5.79 inches (leading to local flooding in the metropolitan area).
After an intense cold front moved through the state, Kenton and Goodwell reported high temperatures of 55 degrees.
Violent weather moved into Oklahoma during the evening. Severe thunderstorm warnings were issued for Cotton and Comanche counties, as a storm system pushed northward from north Texas into southwestern Oklahoma. The town of Geronimo had reports of tennis ball-sized hail and 60 mile per hour winds in association with the strong thunderstorms. In addition, two tornadoes were spotted south of Cherokee, resulting in some locally heavy damage.
Nearly 5 inches of rain fell over the Eufaula Mesonet site during this period.
A wind gust of 73 miles per hour was recorded at Webbers Falls.
The remnants of Hurricane Rita caused high clouds to cover the sky over Oklahoma. Southeastern Oklahoma alone received appreciable rainfall, with Idabel receiving nearly 3 inches of rain.
A significant precipitation-producing weather system moved across Oklahoma on the 22nd and 23rd, depositing large quantities of rain. Two-day storm totals include 8.70 inches of rain at Cherokee, 8.25 inches at Headrick, 7.69 inches at the Seiling Mesonet site, 7 inches at Hammon, 6.90 inches at Cedardale, 6.75 inches at the Tipton Mesonet site, 6.40 inches at Retrop, 6.21 inches at Snider, and 6.20 inches at Billings. Localized flooding was reported in Cherokee, Tipton, and Hobart.
Vigorous thunderstorms produced hail in central and southern Oklahoma on this day. Strong winds accompanied by baseball-sized hail destroyed two mobile homes and several small buildings in Haskell County.
An arctic air mass entered the state on September 22, causing temperatures to decrease rapidly. Scattered freezing temperatures occurred as far south as Tuskahoma on the morning of the 24th. Frost damage appeared to be limited to cotton in Washita County and late-planted soybeans.
Daily minimum temperatures in the 30's were widespread on the 25th and 26th with isolated occurrences on other days during the last week of the month.
The first freeze of 2000 was reported on this day, led by Turpin, Boise City, and Beaver, each of which reported a low temperature of 30 degrees. September freezes in the Panhandle are rare, occurring in fewer than 10 percent of years.
A vigorous cold front moved across Oklahoma from September 25th to 27th. The front was accompanied by heavy rain and destructive weather. Tornadoes were reported near Manchester and Nardin in Grant County and north of Tonkawa in Kay County. Local flooding was reported in Woods, Woodward, Garfield, and Kay counties.
Golfball-sized hail destroyed windshields and injured one person near Shattuck.
Two days of severe flash flooding struck northeastern Oklahoma (September 25 and 26). One person drowned in Pryor and a mother and 3 children died near Tahlequah when their car was swept off a private road. Local flooding was reported in Adair County, where Westville received over 9 inches of rain. Stilwell and Tahlequah each reported over 8 inches of rain and Newkirk reported 7.52 inches during the period.
A nearly stationary storm system initiated several days of intense rainfall over most parts of the state. As a result, over 20 inches of rain fell in north-central Oklahoma during the system's stay. Localized flooding occurred in many areas, as residents were required to evacuate parts of Logan County, Skiatook and Tulsa.
Strong northerly winds (nearly 50 miles per hour, with gusts up to 75 miles per hour) associated with a cold front caused massive dust storms in central Oklahoma, reducing visibilities down to one mile in some areas. Several accidents resulted from the reduced visibility, including one traffic accident that led to two fatalities in Kay County. In the initial accident, the strong winds caused two cars to clip each other. The two drivers got out of their vehicles to survey the damage and a pick-up truck hit their cars, since the driver could not see them in the road. Finally, a semi-truck came across the accident and saw the three vehicles at the last moment. The driver swerved to avoid the vehicles and instead hit the original two drivers, who were on the side of the road, killing them. The wind also caused a power pole to snap and several transformers to explode in Oklahoma City.
Two days of thunderstorms drenched more than 30,000 acres of wheat fields in northern Oklahoma with over 6 inches of rain.
A cold front caused unseasonably cool temperatures. The Panhandle reported snow mixed with freezing rain on this day.
An F1 tornado occurred in the Wichita Mountains National Wildlife Refuge, tearing up 8 to 12-inch diameter trees.