Storm Data and Unusual Weather Phenomena - February 2017
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Storm Data and Unusual Weather Phenomena - February 2017 Location Date/Time Deaths & Property & Event Type and Details Injuries Crop Dmg ILLINOIS, South GALLATIN COUNTY --- SHAWNEETOWN [37.70, -88.13], 2.5 N SALINE MINES [37.65, -88.17], 3.0 NNE SALINE MINES [37.66, -88.16], 0.4 S SHAWNEETOWN [37.69, -88.13] 02/01/17 00:00 CST 0 Flood (due to Heavy Rain) 02/01/17 09:00 CST 0 Source: River/Stream Gage Minor flooding ended on the Ohio River in the Shawneetown area. The minor flooding began in January. Some low-lying fields and woodlands were underwater. WHITE COUNTY --- 0.6 NE MAUNIE [38.04, -88.04], MAUNIE [38.03, -88.05], 0.7 NNE RISING SUN [38.01, -88.03], 2.1 E MAUNIE [38.03, -88.01] 02/01/17 00:00 CST 0 Flood (due to Heavy Rain) 02/01/17 01:00 CST 0 Source: River/Stream Gage Minor flooding on the Wabash River ended shortly after midnight. The flooding began in January. Some low-lying fields were underwater. Some residual minor flooding on the Wabash and Ohio Rivers ended on the first day of the month as conditions dried out. JOHNSON COUNTY --- 5.0 SE VIENNA [37.37, -88.84] 02/07/17 16:35 CST 0 Hail (0.75 in) 02/07/17 16:35 CST 0 Source: Public A few strong storms developed along a cold front as it moved southeast across southern Illinois. The atmosphere became sufficiently unstable for the storms to produce hail during a short timeframe around sunset. (IL-Z084) JACKSON, (IL-Z085) WILLIAMSON, (IL-Z086) SALINE, (IL-Z087) GALLATIN, (IL-Z088) UNION, (IL-Z089) JOHNSON, (IL-Z090) POPE, (IL-Z091) HARDIN, (IL-Z092) ALEXANDER, (IL-Z093) PULASKI, (IL-Z094) MASSAC 02/10/17 14:00 CST 11K Strong Wind (MAX 35 kt) 02/10/17 17:00 CST 0 Locally strong southwest winds developed during the afternoon hours between high pressure on the Carolina coast and low pressure over the western high Plains. Winds gusted around 40 mph along and south of a line from Carbondale and Marion to Harrisburg. Peak measured wind gusts included 40 mph at the airports near Carbondale and Harrisburg, and 41 mph at the Williamson County airport near Marion. (IL-Z085) WILLIAMSON, (IL-Z088) UNION, (IL-Z089) JOHNSON, (IL-Z090) POPE, (IL-Z091) HARDIN, (IL-Z092) ALEXANDER, (IL-Z093) PULASKI, (IL-Z094) MASSAC 02/19/17 01:00 CST 0 Dense Fog 02/19/17 10:00 CST 0 Widespread dense fog reduced visibility to one-quarter mile or less from Marion southward and southeastward. Remnant moisture from rainfall on the 18th contributed to the dense fog, which persisted for much of the morning of the 19th. High pressure centered over Kentucky was associated with light winds and mostly clear skies. JACKSON COUNTY --- 1.3 NNE CORA [37.84, -89.66], 4.4 E DOWELL [37.94, -89.15] 02/28/17 20:18 CST 6M Tornado (EF3, L: 28.77 mi , W: 850 yd) 02/28/17 20:50 CST 0 Source: NWS Storm Survey This large tornado entered Jackson County from Randolph County near the community of Rockwood. The tornado originally began near Perryville, Missouri, where it achieved its peak intensity in the EF-4 category. The tornado crossed the entire width of Jackson County, entering the county about two miles from the Mississippi River. The tornado passed just south of Ava, clipped the southern edge of Vergennes, and then passed near the north edge of Elkville before exiting the northeast corner of the county. In Jackson County, the tornado reached a maximum intensity of EF-3 on the south end of Vergennes. Winds estimated near 145 mph destroyed a house. The wood house was not securely anchored to the foundation, and other construction details suggested wind speeds were below the EF-4 category. Elsewhere in Jackson County, the tornado passed through mainly rural farmlands and woods. Thousands of large trees were snapped and uprooted, and dozens of homes and other structures were damaged or destroyed. The tornado remained quite wide, nearly one-third of a mile at times. The average path width in Jackson County was about 600 yards. The tornado continued east-northeast into Franklin County. FRANKLIN COUNTY --- 2.7 SW MULKEYTOWN [37.94, -89.15], 1.8 SW CHRISTOPHER [37.95, -89.07] 02/28/17 20:50 CST 0.80M Tornado (EF3, L: 4.37 mi , W: 400 yd) 02/28/17 20:57 CST 0 Source: NWS Storm Survey Page 1 of 7 Printed on: 05/29/2017 Storm Data and Unusual Weather Phenomena - February 2017 Location Date/Time Deaths & Property & Event Type and Details Injuries Crop Dmg This large tornado entered Franklin County from Jackson County. The tornado originally formed near Perryville, Missouri. The most intense damage in Franklin County was located south of Mulkeytown, where the tornado was rated EF-3 based on a house that was swept clean off its foundation . Debris was thrown up to a mile downwind. The debris was shredded, with nothing larger than 2-by-4 wood pieces. However, the house was sitting on a block foundation, unattached to anything. Based on the lack of any anchors for the house, peak winds were estimated near 160 mph at this site. Most of the other damage in this rural area of Franklin County consisted of snapped trees, heavily damaged barns, and a few damaged houses. The tornado rapidly weakened from EF-3 intensity to complete dissipation during the final two miles of its path. The average path width in Franklin County was 340 yards. The total path length starting near Perryville, Missouri was nearly 50 miles. The tornado dissipated just southwest of Christopher. FRANKLIN COUNTY --- 1.0 W BENTON [38.00, -88.94], 1.0 N BENTON [38.01, -88.92] 02/28/17 21:00 CST 0 Hail (3.00 in) 02/28/17 21:04 CST 0 Source: Trained Spotter This large hail was associated with the supercell that produced a strong tornado in Jackson and western Franklin Counties. Hailstones were slightly larger than baseballs on the north side of Benton. Quarter-size hail fell on the west side of Benton. WHITE COUNTY --- CROSSVILLE [38.17, -88.07] 02/28/17 21:54 CST 0 Hail (1.00 in) 02/28/17 22:00 CST 0 Source: Trained Spotter This large hail was associated with the tornadic supercell that produced the strong tornado that passed south of Crossville into southwest Indiana. WHITE COUNTY --- 3.2 NE CARMI MUNI ARPT [38.14, -88.11], 4.2 ESE CALVIN [38.18, -87.95] 02/28/17 21:55 CST 1 2M Tornado (EF3, L: 9.56 mi , W: 420 yd) 02/28/17 22:08 CST 1 0 Source: NWS Storm Survey The tornado touched down between Crossville and Carmi, quickly strengthening to EF-3 intensity before crossing Illinois Route 1. The tornado track stayed northeast of Carmi, in relatively sparsely populated farmland. In White County, 35 structures were damaged or destroyed. At least several of those were homes. Just west of Highway 1, several vehicles were rolled over and moved, and a single-wide mobile home was destroyed. Near where the tornado crossed Route 1, an older house was moved three feet off its foundation . The house did not appear to be bolted to the foundation. Most of the second floor was removed. A double-wide mobile home was destroyed in the same area near Route 1. The width of the damage path was about 300 yards along Route 1. Just south of Crossville on County Road 1675E, a vehicle was rolled about 30 yards, and a house was destroyed. Some walls of the house collapsed, and most of the roof came off. Peak winds at this location were estimated near 150 mph. The sole fatality occurred south of Crossville, where an elderly man was caught outdoors when the tornado struck. The man was found in a farm field about 40 yards from his house. His wife was inside in the house, and she received scrapes and bruises. Another EF-3 damage location was east of Crossville, where a vehicle was moved about 30 yards and an old house was partially destroyed. The average path width was about 300 yards in White County. The tornado continued across the Wabash River into Posey County, Indiana. Direct Fatalities: M71OU JACKSON COUNTY --- GRAND TOWER [37.63, -89.50] 02/28/17 22:18 CST 0 Hail (1.75 in) 02/28/17 22:18 CST 0 Source: Fire Department/Rescue JACKSON COUNTY --- CARBONDALE [37.72, -89.22] 02/28/17 22:29 CST 0 Hail (1.00 in) 02/28/17 22:29 CST 0 Source: Emergency Manager JACKSON COUNTY --- MURPHYSBORO [37.77, -89.33] 02/28/17 22:30 CST 0 Hail (0.75 in) 02/28/17 22:30 CST 0 Source: Trained Spotter WILLIAMSON COUNTY --- 0.9 SSE CRAINVILLE [37.74, -89.06], 0.8 WNW WHITEASH [37.79, -88.94] 02/28/17 22:44 CST 6K Tornado (EF1, L: 7.36 mi , W: 25 yd) 02/28/17 22:54 CST 0 Source: NWS Storm Survey This tornado skipped along the path, bringing down large tree limbs from Crab Orchard Lake to Interstate 57 a few miles north of Marion. Most of the tornado track was EF-0, except for an uprooted tree or two west of Interstate 57 near Whiteash. Peak winds were estimated near 95 mph. WILLIAMSON COUNTY --- 2.0 SE JOHNSTON CITY [37.80, -88.90] 02/28/17 22:56 CST 0 Funnel Cloud 02/28/17 22:56 CST 0 Source: Trained Spotter Page 2 of 7 Printed on: 05/29/2017 Storm Data and Unusual Weather Phenomena - February 2017 Location Date/Time Deaths & Property & Event Type and Details Injuries Crop Dmg The funnel cloud was observed by a trained spotter.