Scattered thunderstorms formed over Utah on September 14th, with many of them being severe. Strong thunderstorm winds were the primary threat associated with these storms, but severe hail and flash flooding were also observed.

Hail in EMERY, UTAH
From 14-SEP-09 15:20:00 to 14-SEP-09 15:20:00 (MST-7)
Location: HUNTINGTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported one inch hail near Huntington, Utah.

Hail in SANPETE, UTAH
From 14-SEP-09 16:05:00 to 14-SEP-09 16:05:00 (MST-7)
Location: MORONI
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail with a diameter of 0.75 inches was reported near Moroni.

Thunderstorm Wind in TOOELE, UTAH
From 14-SEP-09 09:15:00 to 14-SEP-09 09:15:00 (MST-7)
Location: WENDOVER AF AUX ARPT
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

A 60 mph wind gust was recorded at the Wendover AWOS.

Thunderstorm Wind in DAVIS, UTAH
From 14-SEP-09 13:30:00 to 14-SEP-09 13:30:00 (MST-7)
Location: LAYTONA
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A local television station reported that several trees were blown down near Layton.

Thunderstorm Wind in TOOELE, UTAH
From 14-SEP-09 13:50:00 to 14-SEP-09 13:50:00 (MST-7)
Location: (DPG)MICHAEL AAF DUG
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The Playa Station sensor in the Dugway Proving Ground mesonet recorded a maximum wind gust of 60 mph.

Thunderstorm Wind in TOOELE, UTAH
From 14-SEP-09 14:55:00 to 14-SEP-09 14:55:00 (MST-7)
Location: DUGWAY
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: RAWS

The Cedar Mountain RAWS recorded a maximum wind gust of 60 mph.

Thunderstorm Wind in TOOELE, UTAH
From 14-SEP-09 14:05:00 to 14-SEP-09 14:10:00 (MST-7)
Location: (DPG)MICHAEL AAF DUG
Magnitude: 57.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A maximum wind gust of 66 mph was recorded at the Upper Cedar Mountain sensor in the Dugway Proving Ground mesonet.

Thunderstorm Wind in TOOELE, UTAH
From 14-SEP-09 11:45:00 to 14-SEP-09 11:45:00 (MST-7)
Location: PEHRSON STATION
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The Vernon Hill sensor recorded a wind gust of 64 mph.

Thunderstorm Wind in TOOELE, UTAH
From 14-SEP-09 11:15:00 to 14-SEP-09 11:15:00 (MST-7)
Location: DUGWAY
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The English Village sensor in the Dugway Proving Ground mesonet recorded a maximum wind gust of 59 mph.

Thunderstorm Wind in TOOELE, UTAH
From 14-SEP-09 13:40:00 to 14-SEP-09 13:40:00 (MST-7)
Location: (DPG)MICHAEL AAF DUG
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The Simpson Springs sensor in the Dugway Proving Ground mesonet recorded a maximum wind gust of 61 mph.

Thunderstorm Wind in WEBER, UTAH
From 14-SEP-09 13:15:00 to 14-SEP-09 13:15:00 (MST-7)
Location: UINTAH
Magnitude: 60.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust of 69 mph was recorded at the Ogden Peak sensor.

Flash Flood in KANE, UTAH
From 14-SEP-09 15:45:00 to 14-SEP-09 17:00:00 (MST-7)
Location: ADAIRVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

The gage on the Paria River at US Highway 89 went from 3 cfs to 4419 cfs in 15 minutes. The peak flow was one hour later, with a reading of 7328 cfs. Eyewitnesses near the highway bridge indicated that the flood carried large trees and boulders.

Thunderstorm Wind in TOOELE, UTAH
From 14-SEP-09 12:15:00 to 14-SEP-09 12:15:00 (MST-7)
Location: BURMESTER
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Department of Highways

A semitrailer was blown over at mile marker 85 on I-80.

Thunderstorm Wind in TOOELE, UTAH
From 14-SEP-09 12:15:00 to 14-SEP-09 12:15:00 (MST-7)
Location: DELLE
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Department of Highways

A semitrailer was blown over at mile marker 72 on I-80.

Thunderstorm Wind in TOOELE, UTAH
From 14-SEP-09 13:40:00 to 14-SEP-09 14:00:00 (MST-7)
Location: (DPG)MICHAEL AAF DUG
Magnitude: 67.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The Camel Back Mountain sensor in the Dugway Proving Ground mesonet recorded a maximum wind gust of 77 mph.

Thunderstorm Wind in SEVIER, UTAH
From 14-SEP-09 14:00:00 to 14-SEP-09 14:00:00 (MST-7)
Location: SALINA
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The Fremont Junction sensor recorded a wind gust of 60 mph.