TORNADO WATCH ISSUED ūüĆ™ until 2 am

OklahomaWeather
Published: 10/10/2021, 11:32 PM
Edited: 10/11/2021, 3:47 AM
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(TULSA, Okla.) UPDATE: A tornado watch has been issued for the following Oklahoma counties until 2 a.m. Monday:

IN EAST CENTRAL OKLAHOMA

OKFUSKEE

IN NORTHEAST OKLAHOMA

CREEK                 

NOWATA                

OSAGE

PAWNEE                

TULSA                 

WASHINGTON

IN EAST CENTRAL OKLAHOMA

CHEROKEE              

MUSKOGEE              

SEQUOYAH

IN NORTHEAST OKLAHOMA

ADAIR                 

CRAIG                

DELAWARE

MAYES                 

OKMULGEE              

OTTAWA

ROGERS                

WAGONER

IN SOUTHEAST OKLAHOMA

CHOCTAW               

HASKELL               

LATIMER

LE FLORE              

MCINTOSH              

PITTSBURG

PUSHMATAHA

ORIGINAL STORY: A tornado watch is in effect until 10 p.m. Sunday for the following Oklahoma counties:

BECKHAM  

BLAINE  

CADDO

CANADIAN 

CARTER  

CLEVELAND

COMANCHE 

COTTON  

CREEK

CUSTER 

GARFIELD  

GARVIN

GRADY  

GREER 

HARMON

JACKSON  

JEFFERSON 

KAY

KINGFISHER 

KIOWA 

LINCOLN

LOGAN  

LOVE  

MCCLAIN

MURRAY 

NOBLE 

NOWATA

OKFUSKEE 

OKLAHOMA  

OSAGE

PAWNEE 

PAYNE 

POTTAWATOMIE

SEMINOLE 

STEPHENS  

TILLMAN

TULSA  

WASHINGTON  

WASHITA

TORNADO RISK: Significant

SEVERE THUNDERSTORM RISK: Critical

AREA: Eastern Oklahoma and Northwest Arkansas

ONSET: After 6 PM Northeast Oklahoma, after 8 PM Southeast Oklahoma, after midnightNorthwest Arkansas

AREA AT GREATEST RISK: Eastern Oklahoma

FLASH FLOOD RISK: Elevated

AREA: Northeast Oklahoma and Northwest Arkansas

ONSET: Sunday Evening

HEAVY RAIN RISK: Significant

AREA: Eastern Oklahoma and Northwest Arkansas

ONSET: Sunday Evening

SIGNIFICANT WINDS RISK: Limited

AREA: Eastern Oklahoma and Northwest Arkansas

ONSET: Ongoing

DISCUSSION: Significant severe weather is expected Sunday evening into Sunday night across eastern Oklahoma and northwest Arkansas with all modes of severe weather possible. 

Thunderstorms will begin to increase in coverage and intensity across northeast Oklahoma Sunday  evening and northwest Arkansas after midnight Sunday night. 

Sufficient instability coupled with very strong shear values along and ahead of a cold front and dryline will help storms that initially begin as discrete to develop into a squall line and persist well after dark. The initial concern with isolated discrete cells will be large hail, damaging winds and tornadoes. During the evening hours, storms will become more linear and transition to more of a damaging wind threat.

However, strong low level shear values will aid in continuing a tornado threat into the overnight hours, especially with the potential for quick spin ups along the leading line. The greater potential for severe storms looks to be along and either side of Interstate 44 southward along the US 75 corridor. Precipitation will begin to taper off from west to east late Sunday night.

Periods of heavy rainfall will be likely across portions of northeast Oklahoma as ample amounts of low level moisture stream into the region ahead of the cold front. Intense rain rates combined with the potential for training storms in northeast Oklahoma will allow for widespread 1 to 2 inches of rain with locally higher amounts between 4 and 5 inches possible through Sunday night. A flash flood watch is in effect for areas along and north of Interstate 44 through late Sunday night.

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