Posted: May 11, 2023 / 06:29 PM CDT

Updated: May 11, 2023 / 08:05 PM CDT

AUTHOR’S NOTE: This story will be updated as weather conditions change. Refresh frequently for the latest information. As always, stick with Texoma’s Weather Authority on-air and online throughout the evening on Sunday and throughout the upcoming week for the latest updates.

UPDATE: Thursday, May 11, 2023, at 7:45 p.m.

The National Weather Service in Norman, Oklahoma canceled the tornado warning issued for Montague County in Texas before it was set to expire at 7:45 p.m.

UPDATE: Thursday, May 11, 2023, at 7:20 p.m.

The original tornado warning issued for Jack County by the National Weather Service in Norman, Oklahoma on Thursday, May 11, 2023, has been allowed to expire.

However, Jack County is included in a new tornado warning that has been issued by the National Weather Service in Norman, Oklahoma, that will be in effect until 8 p.m. on Thursday, May 11, 2023.

According to Chief Meteorologist Michael Bohling, a strong rotational area has been indicated in a storm moving northeast in Jack County. Additional threats include hail potentially up to 1 inch in diameter and very heavy rains.

A tornado warning issued in Montague County remains in effect until 7:45 p.m.

UPDATE: Thursday, May 11, 2023, at 7:05 p.m.

A second county in Texoma is now under a tornado warning as severe storms continue to move northeast across the KFDX and KJTL viewing area.

The National Weather Service in Norman, Oklahoma has issued a tornado warning in Montague County in Texas until 7:15 p.m.

The rotational area indicated by radar is expected to cross U.S. 287

Residents living in the rural area between Bowie and Sunset in Montague County need to take cover in their safe space now.

A tornado warning issued for Jack County remains in effect until 7:15 p.m.

UPDATE: Thursday, May 11, 2023, at 6:50 p.m.

The National Weather Service in Norman, Oklahoma has issued a tornado warning in Jack County in Texas until 7:15 p.m. on Thursday, May 11, 2023, due to radar-indicated rotation.

TEXOMA (KFDX/KJTL) — An ‘Extreme’ tornado watch has been issued for multiple counties in Texas and Oklahoma, along with severe thunderstorm watches.

The tornado watch that covers nine counties was issued at 3:46 p.m. Thursday, May 11, and is in effect until 11 p.m.

The Oklahoma counties under tornado watch are Jefferson, Stephens, Comanche, Cotton, Kiowa and Tillman.

The Texas counties under tornado watch are Archer, Clay and Wichita.

There is a medium risk of tornadoes late this afternoon and this evening across portions of northern and central Oklahoma. This includes areas around Alva, Enid, Ponca City, Watonga, Guthrie, Stillwater, the Oklahoma City metro area, Anadarko, Chickasha, Duncan and Shawnee. Elsewhere, there are still at least some potential for tornadoes. The tornado risk will primarily be from 3 PM to 10 PM. Photo Credit: The National Weather Service

Potential hazards during this time include up to ping-pong ball-sized hail and wind speeds reaching up to 60 miles per hour.

Chief Meteorologist Michael Bohling and Meteorologist Noah Trombley are keeping an eye on thunderstorms in Comanche and Cotton counties and Jack and Wise counties.

*Timing for severe weather on Thursday, May 11, 2023. Photo Credit: The National Weather Service*

Storm activity is expected to move out of Texoma by 10 p.m. on Thursday, May 11, 2023.

There is an enhanced risk of severe thunderstorms late this afternoon and evening across much of central and north central Oklahoma. Photo credit: National Weather Service — *There is an enhanced risk of severe thunderstorms late this afternoon and evening across much of central and north-central Oklahoma. Photo credit: National Weather Service*

Stick with Texoma’s Weather Authority on Texoma’s Homepage as we monitor this and other severe weather threats that may impact Texoma in the coming days, weeks, and months. Updates will be provided as more information becomes available.

TEXOMA’S WEATHER AUTHORITY

Michael Bohling | Chief Meteorologist

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Noah Trombley | Meteorologist

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Severe Weather Definitions

Severe Thunderstorm Warning
Issued when there is evidence based on radar or a reliable spotter report that a thunderstorm is producing, or about to produce, wind gusts of 58 mph or greater, structural wind damage, and/or hail 1 inch in diameter or greater.

Severe Thunderstorm Watch
Is issued by the Storm Prediction Center (SPC) when conditions are favorable for the development of severe thunderstorms over a larger-scale region. Tornadoes are not expected in such situations, but isolated tornado development cannot be ruled out.

PDS Severe Thunderstorm Watch
PDS stands for "Particularly Dangerous Situation" and is issued by the SPC when conditions are favorable for the development of high-end severe thunderstorms over a larger region. In this situation the SPC believes multiple events of extreme severe weather with significant wind damage are likely to occur. Citizens should alter their daily routine and listen for further updates when this watch is issued. Tornadoes are not expected in such situations, but isolated tornado development cannot be ruled out and widespread straight-line wind damage is likely.

Tornado Warning - Observed or Radar Indicated
Issued when there is evidence based on radar or a reliable spotter report that a tornado is imminent or occurring.

Tornado Warning - Considerable
Issued when a reliable spotter reports the existence of a tornado (therefore, it is confirmed, not radar indicated) and it is doing considerable damage.

Tornado Warning - Catastrophic
Issued when a reliable spotter reports the existence of a tornado (therefore, it is confirmed, not radar indicated) and it is doing extreme damage that is considered catastrophic; complete destruction is possible.

Tornado Watch
Is issued by the Storm Prediction Center when conditions are favorable for the development of severe thunderstorms and tornadoes over a larger-scale region.

PDS Tornado Watch
PDS stands for "Particularly Dangerous Situation" and is issued when the SPC believes that a large outbreak of long-lived, large and violent tornadoes is likely. This is a high-end tornado watch. People in a PDS Tornado Watch should change their daily routines to ensure they are weather aware and prepared to take action with little notice.

Significant Weather Advisory
Issued for strong thunderstorms that are below severe levels, but still may have some adverse impacts. Usually issued for the threat of wind gusts of 40-58 mph or hail up to 1 inch in diameter.

Flash Flood Watch
Issued generally when there is the possibility of flash flooding or urban flooding over an area within the next 36 hours.

Flash Flood Warning
Issued when flash flooding is imminent, generally within the next 1 to 3 hours. Usually issued based on observed heavy rainfall (measured or radar estimated), but may also be issued for significant dam breaks that have occurred or are imminent.

Flood Watch
Issued when there is the possibility of widespread general flooding over an area within the next 36 hours.

Flood Warning for River Forecast Point
Issued when a river gauge has exceeded, or is forecast to exceed, a predetermined flood stage.

Flood Advisory
Issued when flooding is imminent or occurring, generally within the next 1 to 3 hours, but is not expected to substantially threaten life and property.

Wind Advisory
Issued when sustained winds of 30 to 39 mph are expected for 1 hour or longer.

High Wind Warning
Issued when sustained winds of 40 mph or more are expected for 1 hour or longer, or for wind gusts of 58 mph or more with no time limit. A High Wind Watch is issued when these conditions may be met 12 to 48 hours in the future.

Dense Fog Advisory
Issued when fog is expected to reduce visibilities to 1/4 mile or less.

Heat Advisory
Issued when maximum daytime heat index values are expected to reach or exceed 105°F on at least 2 consecutive days, with intermediate low temperatures of 75°F or higher.

Excessive Heat Warning
Issued when maximum daytime heat index values are expected to reach or exceed 110°F on at least two consecutive days, with intermediate low temperatures of 75°F or higher. An Excessive Heat Watch is issued when these conditions may be met 12 to 48 hours in the future.

Frost Advisory
Issued when nighttime minimum temperatures are expected to range from 33°F to 36°F in the growing season.

Freeze Warning
Issued when nighttime minimum temperatures are expected to reach 32°F or lower in the growing season. They are usually issued to highlight the first few freezes of the fall, or unusually late freezes in the spring. A Freeze Watch is issued when these conditions may be met 12 to 48 hours in the future.

Air Stagnation Advisory
Issued only at the request of the Environmental Protection Agency (EPA), whenever atmospheric conditions are stable enough to cause air pollutants to accumulate in a given area.

Blowing Dust Advisory
Issued when blowing dust is expected to reduce visibility to between 1/4 and 1 mile, generally with winds of 25 mph or greater.

Dust Storm Warning
Issued when blowing dust is expected to reduce visibility frequently to 1/4 mile or less, generally with winds of 25 mph or more.

Dense Smoke Advisory
Issued when smoke is expected to reduce visibility to 1/4 mile or less.

Fire Weather Watch
Issued when dry vegetation and conditions favoring extreme fire danger are expected 12 to 72 hours in the future.

Red Flag Warning
Issued when dry vegetation and conditions favoring extreme fire danger are expected, generally within 24 hours.

Snow Advisory
Issued when accumulating snow of 2 to 4 inches is expected. An advisory may still be warranted if lesser accumulations will produce travel difficulties, especially early in the winter season.

Blowing Snow Advisory
Issued when blowing snow is expected to occasionally reduce visibilities to 1/4 mile or less with winds generally 25 to 34 mph. The event should last at least 3 hours.

Snow and Blowing Snow Advisory
Issued when winds of 25 to 34 mph are expected to be accompanied by falling snow and blowing snow, occasionally reducing the visibility to 1/4 mile or less. The event should last at least 3 hours.

Freezing Rain/Drizzle Advisory
Issued for freezing rain when ice accumulations are expected to cause travel problems, but not exceed 1/4".

Sleet Advisory
Issued for accumulating sleet of 1/4" to 1". Because sleet usually occurs with other precipitation types, a winter weather advisory will almost always be used in such cases.

Winter Weather Advisory
Issued for a winter weather event in which there is more than one hazard present, but all precipitation is expected to remain below warning criteria. For example, it would be issued if 2 inches of snow were expected with a small amount of sleet mixing in at times.

Wind Chill Advisory
Issued when wind chill values will reach -5°F to -19°F, with wind speeds around 10 mph or more.

Wind Chill Warning
Issued when wind chill values will reach -20°F or colder, with wind speeds around 10 mph or more. A Wind Chill Watch is issued when these conditions may be met 12 to 48 hours in the future.

Ice Storm Warning
Issued when a period of freezing rain is expected to produce ice accumulations of 1/4" or greater, or cause significant disruptions to travel or utilities.

Heavy Sleet Warning
Issued when a period of sleet is expected to produce ice accumulations of 1" or greater, or cause significant disruptions to travel or utilities.

Heavy Snow Warning
Issued when snow is expected to accumulate 4 inches or more in 12 hours, or 6 inches or more in 24 hours.

Winter Storm Warning
Issued for a winter weather event in which there is more than one hazard present, and one of the warning criteria listed above is expected to be met. For example, it would be issued if 5 inches of snow were expected in 12 hours, with some sleet mixing in at times. It is commonly issued for heavy snow with strong winds of 25-34 mph that will cause blowing and drifting of the snow. A Winter Storm Watch is issued when these conditions may be met 12 to 48 hours in the future.

Blizzard Warning
Issued for sustained wind or frequent gusts greater than or equal to 35 mph accompanied by falling and/or blowing snow, frequently reducing visibility to less than 1/4 mile for three hours or more. A Blizzard Watch is issued when these conditions may be met 12 to 48 hours in the future.