Supercell thunderstorms developed along a pre-frontal low pressure trough over southeast Missouri. Very strong wind fields coupled with moderate amounts of instability resulted in a couple of supercell thunderstorms, both of which produced tornadoes. The storms moved through the warm sector of a low pressure system characterized by mixed-layer capes around 1000 j/kg. Southerly surface winds transported rich low-level moisture north of the Ohio River, with dew points in the mid 60's. Areas of partial sunshine immediately preceding the convection bolstered instability. The low level wind shear was very strong, with 0 to 1 km storm-relative helicity at or above 500. Strong southerly surface winds ahead of the storms gusted to around 45 mph during the late morning and early afternoon hours. These strong winds were along and northwest of a line from Poplar Bluff to Cape Girardeau.

Strong Wind in WAYNE, MISSOURI
From 17-NOV-13 10:00:00 to 17-NOV-13 13:30:00 (CST-6)
Magnitude: 39.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: ASOS

Strong Wind in CARTER, MISSOURI
From 17-NOV-13 10:00:00 to 17-NOV-13 13:30:00 (CST-6)
Magnitude: 39.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: ASOS

Strong Wind in RIPLEY, MISSOURI
From 17-NOV-13 10:00:00 to 17-NOV-13 13:30:00 (CST-6)
Magnitude: 39.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: ASOS

Tornado in SCOTT, MISSOURI
From 17-NOV-13 13:07:00 to 17-NOV-13 13:31:00 (CST-6)
Location: VANDUSER
Tornado F-scale: EF3
Property damage: 1.00M
Crop damage: 0.00K
Reported by: NWS Storm Survey

Two stick built homes were destroyed. One of these homes had complete roof loss, as well as most exterior walls and some interior walls blown out. A vehicle was blown out of the garage. The other home had a large portion of the roof blown off and some exterior walls blown out. Three empty railroad cars were overturned. A 60 by 80 foot building was blown away. Three mobile homes were completely destroyed. Numerous other mobile homes sustained moderate to major damage. Several irrigation systems were blown around. Many dozens of large or very large trees were snapped. Nine power poles were snapped. The tornado was videotaped as it crossed parts of the county. Peak winds were estimated near 140 mph. This tornado was spawned by the supercell thunderstorm that would later spawn a 42-mile long EF-3 tornado in western Kentucky and the southern tip of Illinois.

Tornado in PERRY, MISSOURI
From 17-NOV-13 12:26:00 to 17-NOV-13 12:27:00 (CST-6)
Location: FROHNA
Tornado F-scale: EF0
Property damage: 1.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Peak winds were estimated near 70 mph in this brief tornado. Numerous small to medium trees and tree limbs were snapped.

Hail in SCOTT, MISSOURI
From 17-NOV-13 13:18:00 to 17-NOV-13 13:18:00 (CST-6)
Location: BENTON
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Strong Wind in BOLLINGER, MISSOURI
From 17-NOV-13 09:00:00 to 17-NOV-13 12:00:00 (CST-6)
Magnitude: 39.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: ASOS

Strong Wind in CAPE GIRARDEAU, MISSOURI
From 17-NOV-13 09:00:00 to 17-NOV-13 12:00:00 (CST-6)
Magnitude: 39.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: ASOS

Strong Wind in PERRY, MISSOURI
From 17-NOV-13 09:00:00 to 17-NOV-13 12:00:00 (CST-6)
Magnitude: 39.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: AWOS

Strong Wind in BUTLER, MISSOURI
From 17-NOV-13 10:00:00 to 17-NOV-13 13:30:00 (CST-6)
Magnitude: 39.00 MG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: ASOS