Thunderstorms developed during the evening hours of the 16th along a residual outflow boundary near the Red River, producing scattered reports of severe wind and hail, along with one tornado report. Storms continued into the early morning hours of the 17th.

Tornado in KINGFISHER, OKLAHOMA
From 27-MAY-21 12:16:00 to 27-MAY-21 12:16:00 (CST-6)
Location: LOYAL
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Storm chasers observed a brief tornado 3.2 miles east of Loyal that occurred in a field about 50 yards north of County Road EW720. No damage was observed.

Thunderstorm Wind in KINGFISHER, OKLAHOMA
From 27-MAY-21 12:30:00 to 27-MAY-21 12:30:00 (CST-6)
Location: DOVER
Magnitude: 52.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Damage to mobile home.

Thunderstorm Wind in LOGAN, OKLAHOMA
From 27-MAY-21 13:06:00 to 27-MAY-21 13:06:00 (CST-6)
Location: CRESCENT
Magnitude: 61.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Thunderstorm Wind in LOGAN, OKLAHOMA
From 27-MAY-21 13:15:00 to 27-MAY-21 13:15:00 (CST-6)
Location: GUTHRIE
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Large tree limbs down over roadway.

Flash Flood in KINGFISHER, OKLAHOMA
From 27-MAY-21 13:25:00 to 27-MAY-21 16:25:00 (CST-6)
Location: KINGFISHER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

About a foot of water over roadways in Kingfisher.

Hail in LOGAN, OKLAHOMA
From 27-MAY-21 13:36:00 to 27-MAY-21 13:36:00 (CST-6)
Location: GUTHRIE
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Time radar estimated.

Flash Flood in KINGFISHER, OKLAHOMA
From 27-MAY-21 13:45:00 to 27-MAY-21 16:45:00 (CST-6)
Location: KINGFISHER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Car stranded in one to two feet of water near center of town.

Hail in LINCOLN, OKLAHOMA
From 27-MAY-21 14:03:00 to 27-MAY-21 14:03:00 (CST-6)
Location: TRYON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in LINCOLN, OKLAHOMA
From 27-MAY-21 14:06:00 to 27-MAY-21 14:06:00 (CST-6)
Location: TRYON
Magnitude: 56.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Tree and sign damage, along with power outages in Tryon.

Hail in MAJOR, OKLAHOMA
From 27-MAY-21 14:18:00 to 27-MAY-21 14:18:00 (CST-6)
Location: RINGWOOD
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in OKLAHOMA, OKLAHOMA
From 27-MAY-21 15:42:00 to 27-MAY-21 15:42:00 (CST-6)
Location: LUTHER
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Flood in OKLAHOMA, OKLAHOMA
From 27-MAY-21 15:50:00 to 27-MAY-21 18:50:00 (CST-6)
Location: LUTHER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Overflowing creek.

Flash Flood in LINCOLN, OKLAHOMA
From 27-MAY-21 15:59:00 to 27-MAY-21 18:59:00 (CST-6)
Location: WARWICK
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Northbound lanes on highway 177 underwater.

Hail in LINCOLN, OKLAHOMA
From 27-MAY-21 16:01:00 to 27-MAY-21 16:01:00 (CST-6)
Location: FALLIS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Flash Flood in LINCOLN, OKLAHOMA
From 27-MAY-21 16:19:00 to 27-MAY-21 19:19:00 (CST-6)
Location: FALLIS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Water nearly into houses, flooded yards and streets.

Flash Flood in OKLAHOMA, OKLAHOMA
From 27-MAY-21 17:01:00 to 27-MAY-21 20:01:00 (CST-6)
Location: EDMOND
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Stalled vehicles in deep water.

Flash Flood in OKLAHOMA, OKLAHOMA
From 27-MAY-21 17:10:00 to 27-MAY-21 20:10:00 (CST-6)
Location: EDMOND
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Two cars stalled out and road closed at 33rd and Kelly.

Flood in OKLAHOMA, OKLAHOMA
From 27-MAY-21 17:30:00 to 27-MAY-21 20:30:00 (CST-6)
Location: OKLAHOMA CITY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Video of streets flooded and cars stalled in the road.

Thunderstorm Wind in SEMINOLE, OKLAHOMA
From 27-MAY-21 17:32:00 to 27-MAY-21 17:32:00 (CST-6)
Location: LITTLE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Estimated severe wind gust.

Flash Flood in OKLAHOMA, OKLAHOMA
From 27-MAY-21 17:35:00 to 27-MAY-21 20:35:00 (CST-6)
Location: NICHOLS HILLS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Stalled cars in the roadway.

Flash Flood in OKLAHOMA, OKLAHOMA
From 27-MAY-21 17:41:00 to 27-MAY-21 20:41:00 (CST-6)
Location: NICHOLS HILLS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Multiple cars stalled out.

Flood in CLEVELAND, OKLAHOMA
From 27-MAY-21 17:58:00 to 27-MAY-21 20:58:00 (CST-6)
Location: MOORE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Cherry Creek out of its banks and up to police SUV vehicle doors.

Flash Flood in CLEVELAND, OKLAHOMA
From 27-MAY-21 18:02:00 to 27-MAY-21 18:02:00 (CST-6)
Location: MOORE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Street flooding reported across town.

Flash Flood in OKLAHOMA, OKLAHOMA
From 27-MAY-21 18:15:00 to 27-MAY-21 21:15:00 (CST-6)
Location: WARR ACRES
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Flooding reported in several spots around the city.

Flash Flood in CLEVELAND, OKLAHOMA
From 27-MAY-21 18:26:00 to 27-MAY-21 21:26:00 (CST-6)
Location: NORMAN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

At least 3 cars stalled at Lindsey/Elm street intersection. Water up to 2 feet.

Flash Flood in CLEVELAND, OKLAHOMA
From 27-MAY-21 18:41:00 to 27-MAY-21 21:41:00 (CST-6)
Location: NORMAN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Main and Peters streets flooded with manhole covers dislodged.

Flood in POTTAWATOMIE, OKLAHOMA
From 27-MAY-21 18:52:00 to 27-MAY-21 21:52:00 (CST-6)
Location: SHAWNEE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Benedict street is flooded, 1 vehicle stalled, to be closed.