Strong to severe thunderstorms developed along a frontal boundary located across southeastern Nebraska during the afternoon hours of the 16th. These storms moved south and southeast across Kansas overnight on the 16th, and spread into eastern Oklahoma during the morning hours of the 17th. The strongest storms produced damaging wind and hail up to quarter size.
The morning storms dissipated as they moved into southeastern Oklahoma during the midday hours of the 17th. Another round of strong to severe thunderstorms developed over southeastern Kansas during the late evening hours of the 17th along the frontal boundary that had now moved through much of Kansas. These storms moved southeast and affected northeastern Oklahoma during the morning hours of the 18th. The strongest storms produced hail up to golfball size.

Hail in MAYES, OKLAHOMA
From 17-JUN-17 07:20:00 to 17-JUN-17 07:20:00 (CST-6)
Location: LOCUST GROVE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in LATIMER, OKLAHOMA
From 17-JUN-17 10:00:00 to 17-JUN-17 10:00:00 (CST-6)
Location: PANOLA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in PAWNEE, OKLAHOMA
From 18-JUN-17 05:43:00 to 18-JUN-17 05:43:00 (CST-6)
Location: PAWNEE
Magnitude: 1.75 
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in OTTAWA, OKLAHOMA
From 17-JUN-17 06:36:00 to 17-JUN-17 06:36:00 (CST-6)
Location: AFTON
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Strong thunderstorm wind blew down a tree.

Thunderstorm Wind in DELAWARE, OKLAHOMA
From 17-JUN-17 07:10:00 to 17-JUN-17 07:10:00 (CST-6)
Location: KANSAS
Magnitude: 65.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Strong thunderstorm wind blew down trees.

Thunderstorm Wind in CHEROKEE, OKLAHOMA
From 17-JUN-17 07:50:00 to 17-JUN-17 07:50:00 (CST-6)
Location: TAHLEQUAH
Magnitude: 55.00 MG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm wind gusts were measured to 63 mph one mile east of the airport. Power lines were blown down in Tahlequah.

Thunderstorm Wind in MUSKOGEE, OKLAHOMA
From 17-JUN-17 08:01:00 to 17-JUN-17 08:01:00 (CST-6)
Location: WEBBERS FALLS
Magnitude: 52.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Strong thunderstorm wind blew down power lines across Highway 100.

Thunderstorm Wind in MUSKOGEE, OKLAHOMA
From 17-JUN-17 08:07:00 to 17-JUN-17 08:07:00 (CST-6)
Location: FT GIBSON
Magnitude: 65.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Strong thunderstorm wind blew down trees.

Thunderstorm Wind in SEQUOYAH, OKLAHOMA
From 17-JUN-17 08:30:00 to 17-JUN-17 08:30:00 (CST-6)
Location: GORE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Strong thunderstorm wind blew down large tree limbs.

Thunderstorm Wind in LATIMER, OKLAHOMA
From 17-JUN-17 09:50:00 to 17-JUN-17 09:50:00 (CST-6)
Location: WILBURTON
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm wind gusts were measured to 65 mph.

Thunderstorm Wind in LATIMER, OKLAHOMA
From 17-JUN-17 10:20:00 to 17-JUN-17 10:20:00 (CST-6)
Location: PANOLA
Magnitude: 61.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Strong thunderstorm wind damaged a barn in Panola, and snapped numerous large tree limbs across the county.

Flash Flood in LATIMER, OKLAHOMA
From 17-JUN-17 10:30:00 to 17-JUN-17 13:30:00 (CST-6)
Location: WILBURTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Portions of several roads were flooded in Wilburton and Panola.

Thunderstorm Wind in MUSKOGEE, OKLAHOMA
From 17-JUN-17 08:50:00 to 17-JUN-17 09:05:00 (CST-6)
Location: WEBBERS FALLS SHEFFI
Magnitude: 58.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The Oklahoma Mesonet station near Webbers Falls measured thunderstorm wind gusts above 58 mph for more than 15 minutes. Peak gusts during this period were measured to 67 mph.

Hail in PAWNEE, OKLAHOMA
From 18-JUN-17 05:15:00 to 18-JUN-17 05:15:00 (CST-6)
Location: PAWNEE
Magnitude: 1.75 
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Public