During the early morning hours of the 8th a powerful storm developed in north central KS. As it moved southeastward it began to strengthen as it approached I-70. It then proceeded to move across Topeka causing 70 to 90 mph winds and damage to trees and power lines.

Thunderstorm Wind in SHAWNEE, KANSAS
From 08-AUG-15 03:37:00 to 08-AUG-15 03:40:00 (CST-6)
Location: VALENCIA
Magnitude: 70.00 EG
Reported by: Public

Trees were snapped or uprooted.

Hail in SHAWNEE, KANSAS
From 08-AUG-15 03:45:00 to 08-AUG-15 03:46:00 (CST-6)
Location: VALENCIA
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in SHAWNEE, KANSAS
From 08-AUG-15 03:48:00 to 08-AUG-15 03:51:00 (CST-6)
Location: MENOKEN
Magnitude: 52.00 EG
Reported by: Trained Spotter

Wind gusts estimated.

Thunderstorm Wind in SHAWNEE, KANSAS
From 08-AUG-15 03:50:00 to 08-AUG-15 03:53:00 (CST-6)
Location: TOPEKA
Magnitude: 61.00 EG
Reported by: NWS Employee

Peak wind gusts estimated around 70 mph in Lake Sherwood. Extensive 2 to 4 inch diameter tree limbs down in the Lake Sherwood area.

Thunderstorm Wind in SHAWNEE, KANSAS
From 08-AUG-15 03:55:00 to 08-AUG-15 03:58:00 (CST-6)
Location: TOPEKA
Magnitude: 52.00 EG
Reported by: Law Enforcement

Wind gusts estimated.

Hail in OSAGE, KANSAS
From 08-AUG-15 03:56:00 to 08-AUG-15 03:59:00 (CST-6)
Location: BURLINGAME
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in SHAWNEE, KANSAS
From 08-AUG-15 03:58:00 to 08-AUG-15 04:01:00 (CST-6)
Location: (FOE)FORBES FLD TOPE
Magnitude: 59.00 MG
Reported by: ASOS

Thunderstorm Wind in SHAWNEE, KANSAS
From 08-AUG-15 04:00:00 to 08-AUG-15 04:03:00 (CST-6)
Location: PAULINE
Magnitude: 61.00 EG
Reported by: Emergency Manager

Extensive tree damage near French middle school and south of 29th and Fairlawn rd.

Thunderstorm Wind in SHAWNEE, KANSAS
From 08-AUG-15 04:00:00 to 08-AUG-15 04:03:00 (CST-6)
Location: TOPEKA
Magnitude: 56.00 EG
Reported by: Public

Wind gusts estimated.

Thunderstorm Wind in SHAWNEE, KANSAS
From 08-AUG-15 04:02:00 to 08-AUG-15 04:05:00 (CST-6)
Location: (FOE)FORBES FLD TOPE
Magnitude: 51.00 MG
Reported by: ASOS

Thunderstorm Wind in REPUBLIC, KANSAS
From 07-AUG-15 23:43:00 to 07-AUG-15 23:46:00 (CST-6)
Location: BELLEVILLE
Magnitude: 52.00 EG
Reported by: Trained Spotter

Wind gusts estimated.

Thunderstorm Wind in REPUBLIC, KANSAS
From 07-AUG-15 23:50:00 to 07-AUG-15 23:53:00 (CST-6)
Location: NEW TABOR
Magnitude: 52.00 EG
Reported by: Trained Spotter

Wind gusts estimated.

Thunderstorm Wind in REPUBLIC, KANSAS
From 08-AUG-15 00:15:00 to 08-AUG-15 00:18:00 (CST-6)
Location: AGENDA
Magnitude: 52.00 EG
Reported by: Trained Spotter

Report of 4 inch diameter tree limbs down and pea sized hail.

Thunderstorm Wind in RILEY, KANSAS
From 08-AUG-15 02:32:00 to 08-AUG-15 02:35:00 (CST-6)
Location: MANHATTAN
Magnitude: 54.00 MG
Reported by: Storm Chaser

Wind gusts measured.

Thunderstorm Wind in WABAUNSEE, KANSAS
From 08-AUG-15 02:55:00 to 08-AUG-15 02:58:00 (CST-6)
Location: ALMA
Magnitude: 52.00 EG
Reported by: Trained Spotter

Wind gusts estimated.

Hail in WABAUNSEE, KANSAS
From 08-AUG-15 03:13:00 to 08-AUG-15 03:14:00 (CST-6)
Location: MC FARLAND
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in WABAUNSEE, KANSAS
From 08-AUG-15 03:16:00 to 08-AUG-15 03:19:00 (CST-6)
Location: VERA
Magnitude: 61.00 EG
Reported by: Trained Spotter

Wind gusts estimated.

Thunderstorm Wind in WABAUNSEE, KANSAS
From 08-AUG-15 03:18:00 to 08-AUG-15 03:20:00 (CST-6)
Location: VERA
Magnitude: 56.00 EG
Reported by: Trained Spotter

Wind gusts estimated.

Hail in WABAUNSEE, KANSAS
From 08-AUG-15 03:22:00 to 08-AUG-15 03:23:00 (CST-6)
Location: VERA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in REPUBLIC, KANSAS
From 07-AUG-15 23:50:00 to 07-AUG-15 23:53:00 (CST-6)
Location: NEW TABOR
Magnitude: 52.00 EG
Reported by: Trained Spotter

Reports of 4 inch diameter tree limbs down.