An organized cluster of severe thunderstorms moved across the interior pacific northwest. These thunderstorms were very strong wind producers, with blowing dust ahead of the main gust front. Areas would have visibilities reduced below one quarter of a mile for a brief period of time. The strongest estimated wind gust was 77 mph.

Thunderstorm Wind in BENTON, WASHINGTON
From 15-SEP-13 17:00:00 to 15-SEP-13 17:00:00 (PST-8)
Location: NORTH MC NARY
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Multiple highway signs blown down along I-82 between Coffin Road and Oregon State Line.

Thunderstorm Wind in BENTON, WASHINGTON
From 15-SEP-13 17:30:00 to 15-SEP-13 17:30:00 (PST-8)
Location: NORTH RICHLAND
Magnitude: 59.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Hanford Mesonet measured a 68 mph wind gust.

Thunderstorm Wind in BENTON, WASHINGTON
From 15-SEP-13 17:30:00 to 15-SEP-13 17:30:00 (PST-8)
Location: KENNEWICK VISTA ARPT
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet at Vista Field measured a 58 mph wind gust.

Thunderstorm Wind in BENTON, WASHINGTON
From 15-SEP-13 17:33:00 to 15-SEP-13 17:33:00 (PST-8)
Location: (RLD)RICHLAND ARPT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Four inch tree limbs down, with blowing dust and restricting visibilities.

Thunderstorm Wind in FRANKLIN, WASHINGTON
From 15-SEP-13 17:45:00 to 15-SEP-13 17:45:00 (PST-8)
Location: SAGEMOOR
Magnitude: 59.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A 68 mph wind gust measured by Hanford Mesonet.

Thunderstorm Wind in BENTON, WASHINGTON
From 15-SEP-13 17:45:00 to 15-SEP-13 17:45:00 (PST-8)
Location: ACTON
Magnitude: 67.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A 77 mph wind gust measured by Hanford Mesonet.

Thunderstorm Wind in WALLA WALLA, WASHINGTON
From 15-SEP-13 17:52:00 to 15-SEP-13 17:52:00 (PST-8)
Location: WALLA WALLA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A 60 mph wind gust estimated by the public.

Thunderstorm Wind in FRANKLIN, WASHINGTON
From 15-SEP-13 17:53:00 to 15-SEP-13 17:53:00 (PST-8)
Location: CONNELL
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A 60 mph wind gust was measured by a trained storm spotters weather station.

Thunderstorm Wind in FRANKLIN, WASHINGTON
From 15-SEP-13 16:00:00 to 15-SEP-13 16:00:00 (PST-8)
Location: CONNELL
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotter called to update that trees are down and they are at least 12 inches in diameter.

Thunderstorm Wind in FRANKLIN, WASHINGTON
From 15-SEP-13 16:15:00 to 15-SEP-13 16:15:00 (PST-8)
Location: CONNELL
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter estimated 60 mph winds and 10 inch diameter tree was blown down.

Thunderstorm Wind in BENTON, WASHINGTON
From 15-SEP-13 16:18:00 to 15-SEP-13 16:18:00 (PST-8)
Location: KENNEWICK VISTA ARPT
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Weather station measured a wind gust of 62 mph.  Power went out at 715 pm. Wind blew down tree limbs 4 to 5 inches in diameter.

Thunderstorm Wind in BENTON, WASHINGTON
From 15-SEP-13 17:15:00 to 15-SEP-13 17:15:00 (PST-8)
Location: NORTH MC NARY
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Washington Ag Wx Net Station.

Thunderstorm Wind in BENTON, WASHINGTON
From 15-SEP-13 17:15:00 to 15-SEP-13 17:15:00 (PST-8)
Location: NORTH MC NARY
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Washington Ag Wx Net observation.

Thunderstorm Wind in FRANKLIN, WASHINGTON
From 15-SEP-13 18:00:00 to 15-SEP-13 18:00:00 (PST-8)
Location: MESA
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Washington Ag Wx Net observation.