Hazardous Weather Outlook
Issued by NWS Tulsa, OK
Issued by NWS Tulsa, OK
067 FLUS44 KTSA 211809 HWOTSA Hazardous Weather Outlook National Weather Service Tulsa OK 109 PM CDT Tue May 21 2024 ARZ001-002-010-011-019-020-029-OKZ049-053>076-221030- 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- 109 PM CDT Tue May 21 2024 ...SEVERE WEATHER EXPECTED THIS AFTERNOON AND EVENING... This Outlook is for Northwest and West Central Arkansas as well as much of Eastern Oklahoma. .DAY ONE...This Afternoon and Tonight. TORNADO. RISK...Limited. AREA...Primarily Far Northeast Oklahoma and Northwest Arkansas. ONSET...After 5 PM. SEVERE THUNDERSTORM. RISK...Significant. AREA...Eastern Oklahoma and Northwest Arkansas. ONSET...After 2 PM. AREA AT GREATEST RISK...Southeast of Interstate 44. HEAVY RAIN AND FLASH FLOOD. RISK...Limited. AREA...Southeast Oklahoma and Northwest Arkansas. ONSET...Evening. SIGNIFICANT WINDS. RISK...Limited. AREA...Northeast Oklahoma and Far Northwest Arkansas. ONSET...Ongoing. DISCUSSION... Isolated thunderstorms will spread into eastern Oklahoma early this afternoon and pose a risk of large hail. Additional storms will develop by mid afternoon along an advancing cold front across northeast Oklahoma and expand in coverage through evening as the front moves slowly eastward. Conditions will support severe weather potential especially with the afternoon and evening storms with the highest chances for locations along and southeast of Interstate 44. Very large hail up to baseball size and locally damaging winds will be possible with the strongest storms. A risk of tornadoes will also exist especially during the late afternoon through early evening hours with locations across far northeast Oklahoma into far northwest Arkansas with the corridor of more favorable tornadic conditions. Storms will weaken by the early morning hours as the spread eastward. Locally heavy rains could lead to rapid onset flash flooding for portions of southeast Oklahoma and northwest Arkansas through the evening into overnight hours. SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT... Activation of the Regional Spotter Network Expected. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. WEDNESDAY and THURSDAY...Severe Thunderstorm Potential...Heavy Rain Potential. FRIDAY...Thunderstorm Potential. SATURDAY...Severe Thunderstorm Potential. SUNDAY and MONDAY...Thunderstorm Potential. EXTENDED DISCUSSION... Thunderstorms may be ongoing Wednesday morning across mainly southeast Oklahoma with a continued severe weather threat. Additional storms will form throughout the day Wednesday as the frontal boundary stalls near the Red River. Severe weather and heavy rainfall will both be possible with these storms. Another round of strong to severe thunderstorms is expected Thursday afternoon and evening as an upper level storm system moves across the area. Locally heavy rainfall will again be possible at this time. An active weather pattern will continue through the weekend with periodic storm chances. As of now, it appears the best chance for severe storms over the weekend will be Saturday evening and overnight. weather.gov/tulsa contains additional information. $$