Today is Thursday July 15. Will start with an upper level. Water vapor and a low level water vapor loop side by side from early Thursday afternoon. In the upper level loop on the left, moisture was spreading northeast along an upper level trough axis. At the same time, in the low level loop on the right, a cold front, Positioned from Central Kansas into Eastern Ohio was sagging southeastward, underneath the upper level trough exits.. The combination of these features, interacting with excessive amounts of moisture noted within the green oval over the region, will aid in increasing, shower and thunderstorm chances across Eastern Oklahoma and Northwest Arkansas Thursday night into Friday and continuing into the weekend as the front approaches the region and The upper level disturbance moves across the region. Will go into more detail. The following slides. Thunderstorm chances become possible mid afternoon Thursday in Northeast Oklahoma, increase across Northeast Oklahoma and far Northwest Arkansas Thursday evening and then spreading across the region overnight Thursday night into Friday. As the frontal boundary approaches and the upper level disturbance moves, through. Periods of heavy rainfall will be the main threat with the storms.. However, a marginal risk for severe weather could be possible, too. Mainly northwest of Interstate 44 noted by the dark green area of the Storm Prediction Center marginal severe weather, outlook. Locally strong winds will be the primary threat with any strong to maginally severe storm. Development. Within the excess amounts of moisture over the region.
Periods of heavy rainfall are forecast Thursday, night and Friday.. A flash flood watch is in effect over parts of Northeast Oklahoma, where 1 to 3 inches with locally greater than 4 inches are possible for locations within the watch area shown by the center image. South of the watch forecast rainfall amounts of a half inch to 1.5 Inches are possible southward to near Interstate 40.. Weather Prediction Center has a slight risk for excessive rainfall over parts of Northeast Oklahoma through Thursday night indicating the increase in flash flooding concerns into Friday.. Thunderstorm chances continue across much of the region Friday into Friday night. As the frontal boundary remains just to the north and the upper level low pressure exits, the region. Periods of locally heavy rainfall are again possible across the region, with the greater chances over far Eastern Oklahoma and also Northwest Arkansas.. There could be an isolated strong to severe storm potential as well Friday, with the greater potential across Northwest Arkansas. Periods of heavy rainfall with amounts. Greater than 1 inch are forecast across far Eastern Oklahoma and also Northwest Arkansas Friday. Weather Prediction Center has a marginal risk for excessive rainfall Friday for parts of Northeast Oklahoma into Northwest Arkansas indicating a continued flash flooding concern over these locations. Continue to monitor latest forecast update As rainfall amounts and locations Friday and the flash flood watch into Friday morning could be adjusted. Scattered to likely storm chances continue for Saturday and Saturday night across the region, while the frontal boundary holds just to the north.
Locally. Heavy rainfall looks to be the main threat, though an isolated potential for a strong to marginal severe storm may again be possible.. Once again, locally heavy rainfall will be possible Saturday. Over parts of the region, as additional rainfall amounts approaching 1 inch are forecast.. Weather Prediction Center continues a marginal risk for excessive rainfall Saturday as well.. These rainfall amounts on top of Thursday and Friday’s rains will aid in continuing the flash flood potential. Scattered thunderstorm chances remain possible Sunday into Sunday night as well, across Eastern Oklahoma, and Northwest Arkansas as moisture continues to be fed into the region, and the frontal boundary remains Near the region. Locally, heavy rainfall will again be possible with this activity. For the start of the next work week. Thunderstorm chances again remain possible Monday, as a frontal boundary tries to push into the region from the northeast. Locally. Heavy rainfall is possible with the greater potential, mainly south, of Interstate 40., Finally, slight to scattered thunderstorm chances continue into the middle part of the next week, with the greater chances, mainly along and south, of Interstate 40, Tuesday and Wednesday. Continue to stay up today with the Latest forecast updates through the weekend as storm chances and locations, as well as rainfall amounts and locations, will continue to be refined with latest data.. A couple ways to do this is by visiting our different social media platforms and also with the National Weather Service. Tulsa decision support page at the web address listed on the screen.