As a shortwave moved through the area, storms formed in southwest Kansas and slowly made their way into northern Oklahoma during the evening of the 21st. Overnight into the morning of the 22nd, storms slowed down and redeveloped over north central Oklahoma, resulting in some flooding.

Thunderstorm Wind in HUGHES, OKLAHOMA
From 22-AUG-15 09:10:00 to 22-AUG-15 09:10:00 (CST-6)
Location: DUSTIN
Magnitude: 56.00 EG
Reported by: Public

No damage reported.

Thunderstorm Wind in HUGHES, OKLAHOMA
From 22-AUG-15 09:12:00 to 22-AUG-15 09:12:00 (CST-6)
Location: DUSTIN
Magnitude: 56.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Public

Power poles downed by wind.

Thunderstorm Wind in WOODS, OKLAHOMA
From 21-AUG-15 19:30:00 to 21-AUG-15 19:30:00 (CST-6)
Location: HOPETON
Magnitude: 68.00 MG
Reported by: Mesonet

No damage reported.

Thunderstorm Wind in WOODS, OKLAHOMA
From 21-AUG-15 19:35:00 to 21-AUG-15 19:35:00 (CST-6)
Location: HOPETON
Magnitude: 53.00 MG
Reported by: Mesonet

No damage reported.

Thunderstorm Wind in WOODS, OKLAHOMA
From 21-AUG-15 19:45:00 to 21-AUG-15 19:45:00 (CST-6)
Location: HOPETON
Magnitude: 68.00 MG
Reported by: Mesonet

No damage reported.

Hail in ALFALFA, OKLAHOMA
From 21-AUG-15 20:35:00 to 21-AUG-15 20:35:00 (CST-6)
Location: CARMEN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm Wind in ALFALFA, OKLAHOMA
From 21-AUG-15 20:35:00 to 21-AUG-15 20:35:00 (CST-6)
Location: CARMEN
Magnitude: 61.00 EG
Reported by: Law Enforcement

No damage reported.

Flash Flood in KAY, OKLAHOMA
From 22-AUG-15 06:20:00 to 22-AUG-15 06:20:00 (CST-6)
Location: TONKAWA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Roads were flooded with water 3 to 4 feet deep around Tonkawa. Emergency manager measured 5.25 inches of rain.

Thunderstorm Wind in PAYNE, OKLAHOMA
From 22-AUG-15 06:43:00 to 22-AUG-15 06:43:00 (CST-6)
Location: (SWO)STILLWATER AIRPORT
Magnitude: 56.00 MG
Reported by: ASOS

No damage reported.

Thunderstorm Wind in PAYNE, OKLAHOMA
From 22-AUG-15 06:50:00 to 22-AUG-15 06:50:00 (CST-6)
Location: STILLWATER
Magnitude: 61.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Large trees were snapped by wind.

Thunderstorm Wind in PAYNE, OKLAHOMA
From 22-AUG-15 06:50:00 to 22-AUG-15 06:50:00 (CST-6)
Location: STILLWATER
Magnitude: 59.00 MG
Reported by: Mesonet

No damage reported.

Hail in PAYNE, OKLAHOMA
From 22-AUG-15 07:15:00 to 22-AUG-15 07:15:00 (CST-6)
Location: STILLWATER
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Post Office

Thunderstorm Wind in LINCOLN, OKLAHOMA
From 22-AUG-15 07:20:00 to 22-AUG-15 07:20:00 (CST-6)
Location: TRYON
Magnitude: 52.00 EG
Reported by: Public

No damage reported.

Thunderstorm Wind in HUGHES, OKLAHOMA
From 22-AUG-15 09:10:00 to 22-AUG-15 09:10:00 (CST-6)
Location: DUSTIN
Magnitude: 61.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Public

Tree blown on to roof of house.

Flash Flood in KAY, OKLAHOMA
From 22-AUG-15 04:55:00 to 22-AUG-15 04:55:00 (CST-6)
Location: TONKAWA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

County roads flooded resulting in travel difficulties.