A northwest wind flow aloft drove a cold front into Arkansas from the Plains on the 15th. The front arrived in northwest sections of the state by the early afternoon, and pushed across the region through the evening hours. Scattered to numerous thunderstorms accompanied the front...with some storms becoming severe.

Thunderstorm Wind in CLARK, ARKANSAS
From 15-MAY-07 15:15:00 to 15-MAY-07 15:15:00 (CST-6)
Location: BEIRNE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A tree was down on U.S. Highway 67 north of the Arkansas Highway 51 West intersection.

Hail in GARLAND, ARKANSAS
From 15-MAY-07 14:44:00 to 15-MAY-07 14:44:00 (CST-6)
Location: FOUNTAIN LAKE (UNINCORPORATED)
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in JOHNSON, ARKANSAS
From 15-MAY-07 11:55:00 to 15-MAY-07 11:55:00 (CST-6)
Location: LAMAR
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Lightning in CALHOUN, ARKANSAS
From 15-MAY-07 16:10:00 to 15-MAY-07 16:10:00 (CST-6)
Location: WOODBERRY
Property damage: 500.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Lightning struck an electrical substation and set fire to a large transformer.  Power was initially knocked out to a large part of Calhoun County, but some of the power was restored quickly.  The most prolonged power outages occurred in the areas around Highland Industrial Park and Locust Bayou.

Thunderstorm Wind in OUACHITA, ARKANSAS
From 15-MAY-07 16:08:00 to 15-MAY-07 16:08:00 (CST-6)
Location: FRENCHPORT
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees were reported down on Ouachita County Road 67 southeast of Camden near Frenchport.

Thunderstorm Wind in OUACHITA, ARKANSAS
From 15-MAY-07 15:55:00 to 15-MAY-07 15:55:00 (CST-6)
Location: STEPHENS
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees were blown down on U.S. Highway 79 south near Stephens.

Hail in OUACHITA, ARKANSAS
From 15-MAY-07 16:10:00 to 15-MAY-07 16:10:00 (CST-6)
Location: LOUANN
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in PIKE, ARKANSAS
From 15-MAY-07 16:15:00 to 15-MAY-07 16:15:00 (CST-6)
Location: MURFREESBORO
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail was reported at the Laurel Creek exit on Arkansas Highway 27 north of Murfreesboro.

Flash Flood in JOHNSON, ARKANSAS
From 15-MAY-07 13:30:00 to 15-MAY-07 13:30:00 (CST-6)
Location: KNOXVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Water was reported over old Highway 64.

Hail in GARLAND, ARKANSAS
From 15-MAY-07 15:09:00 to 15-MAY-07 15:09:00 (CST-6)
Location: HOT SPGS
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm Wind in MONTGOMERY, ARKANSAS
From 15-MAY-07 16:45:00 to 15-MAY-07 16:45:00 (CST-6)
Location: CADDO GAP
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

There were five trees blown down in a yard, with a lot of limbs blown down on the house.

Thunderstorm Wind in CALHOUN, ARKANSAS
From 15-MAY-07 16:25:00 to 15-MAY-07 16:25:00 (CST-6)
Location: LOCUST BAYOU
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Power lines were blown down near Locust Bayou.