Thunderstorms developed over southeastern Oklahoma during the early morning hours of the 13th, to the north of a stationary front that was located over northern Texas. Locally heavy rainfall resulted in some flooding.
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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.
Thunderstorms developed over southeastern Oklahoma during the early morning hours of the 13th, to the north of a stationary front that was located over northern Texas. Locally heavy rainfall resulted in some flooding.
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 Tulsa, OK wrote its last area forecast discussion before the first event at Aug 13, 2:21 AM CST, 1 hour 9 minutes earlier.
Area Forecast Discussion National Weather Service Tulsa OK 321 AM CDT Sun Aug 13 2017 .DISCUSSION... Bands of elevated convection are continuing across the region this morning, to the north of a stalled front over northern TX. One of the heavier bands is dropping locally heavy rainfall along the Canadian and lower Arkansas river valleys and is shifting slowly east toward the FSM area. Will contemplate an expansion to the flash flood watch to cover areas along the more intense band of elevated convection. This activity should shift east by midday with low rain chances in the afternoon. After a break during the evening hours, some more elevated activity is possible after midnight. A convective complex that is forecast to initiate over the high Plains this afternoon and shift southeast overnight is expected to remain west of our area. The boundary over northern TX will retreat north Monday into Tuesday, with continued scattered thunder chances. Another boundary will make a push into the region Wednesday and Thursday, with another MCS possible Thursday night into Friday. It appears that this stretch of unsettled weather will persist thru this upcoming work week. High temperatures will climb to the low 90s in some spots, and with high humidity it will start to feel a little more like summer than we have of late. Rising mid level heights may bring an end to this unseasonable stretch of weather by next weekend. Lacy && .PRELIMINARY POINT TEMPS/POPS... TUL 81 69 87 72 / 30 20 30 50 FSM 78 71 87 73 / 70 20 40 50 MLC 82 71 86 75 / 60 20 40 30 BVO 81 66 85 71 / 20 20 30 50 FYV 74 66 83 70 / 50 20 40 50 BYV 75 65 83 69 / 50 20 40 50 MKO 78 69 85 73 / 50 20 40 50 MIO 78 66 84 70 / 30 20 30 50 F10 81 69 85 74 / 40 20 40 40 HHW 82 72 88 75 / 70 30 40 20 && .TSA WATCHES/WARNINGS/ADVISORIES... OK...Flash Flood Watch until 7 AM CDT this morning for OKZ049-053. AR...None. && LONG TERM....30
Hazardous Weather Outlook National Weather Service Tulsa OK 916 PM CDT Sat Aug 12 2017 ARZ001-002-010-011-019-020-029-OKZ049-053>076-131030- Adair OK-Benton AR-Carroll AR-Cherokee OK-Choctaw OK-Craig OK- Crawford AR-Creek OK-Delaware OK-Franklin AR-Haskell OK-Latimer OK- Le Flore OK-Madison AR-Mayes OK-McIntosh OK-Muskogee OK-Nowata OK- Okfuskee OK-Okmulgee OK-Osage OK-Ottawa OK-Pawnee OK-Pittsburg OK- Pushmataha OK-Rogers OK-Sebastian AR-Sequoyah OK-Tulsa OK-Wagoner OK- Washington OK-Washington AR- 916 PM CDT Sat Aug 12 2017 This Outlook is for Northwest and West Central Arkansas as well as much of Eastern Oklahoma. .DAY ONE...Tonight. SEVERE THUNDERSTORM. RISK...Limited. AREA...Southeastern Oklahoma. ONSET...Ongoing. FLASH FLOOD. RISK...Limited. AREA...Southeastern Oklahoma. ONSET...Ongoing. HEAVY RAIN. RISK...Elevated. AREA...Southeastern Oklahoma. ONSET...Ongoing. DISCUSSION... A frontal boundary near the Red River and a weak upper level disturbance approaching the area will result in continued shower and thunderstorm development overnight. The highest threat of storms will remain across southeastern Oklahoma with lower chances north along the Kansas border. Enough instability will remain across southeastern Oklahoma to support strong to marginally severe storms overnight. Locally heavy rainfall of 1 to 3 inches is expected across southeastern Oklahoma tonight, which may result in some flooding. SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT... Local Spotter Activation May Be Needed. .DAYS TWO THROUGH SEVEN...Sunday through Friday. SUNDAY through Friday...Thunderstorm Potential. EXTENDED DISCUSSION... The frontal boundary is expected to remain near the Red River through Sunday, supporting continued thunderstorm potential, especially across southeastern Oklahoma and west central Arkansas. The front is expected to move north across the region Monday and Tuesday, supporting a chance of thunderstorms, and then move north of the area by Wednesday. Another weak front is expected to approach the region from the north late this week, continuing thunderstorm chances through the end of the work week. Severe weather potential appears low throughout the week. weather.gov/tulsa contains additional information. 69
The Western Arkansas radar (KSRX), 33 km away, was scanning. The volume nearest the first event began at 09:28 UTC.
2 flash flood. Local standard time, as filed.
Portions of roads were impassable due to flooding in the Gans area.
Portions of some roads east of Sallisaw were flooded and impassable. A water rescue was required on the E 1070 Road.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Oklahoma in 2017Every state in 2017This day in weather historyWarnings in Oklahoma, August 2017
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: 718121, 718122.