Severe storms impacted the region during the afternoon and evening of July 19, 2018.  The most significant of which included a derecho that began in north central KS during the morning hours that moved southeast toward Kansas City into the early afternoon and then into southwest Missouri through the early evening hours before ending in northern Arkansas. Most notably were several observations of 70+ mph winds, numerous reports of trees and power lines down, and a mass fatality incident on Table Rock Lake.

Thunderstorm Wind in GREENE, MISSOURI
From 19-JUL-18 17:30:00 to 19-JUL-18 17:35:00 (CST-6)
Location: SPRINGFIELD
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A large tree was uprooted at the intersection of Walnut Lawn and South Campbell Streets. The report was received via social media and the time based on radar.

Thunderstorm Wind in CHRISTIAN, MISSOURI
From 19-JUL-18 17:43:00 to 19-JUL-18 17:44:00 (CST-6)
Location: HIGHLANDVILLE
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Multiple trees were reported downed.

Thunderstorm Wind in ST. CLAIR, MISSOURI
From 19-JUL-18 14:12:00 to 19-JUL-18 14:17:00 (CST-6)
Location: LOWRY CITY
Magnitude: 61.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Reports of numerous trees down and uprooted, along with multiple power outages occurred as winds gusted to an estimated 70 mph.

Thunderstorm Wind in CHRISTIAN, MISSOURI
From 19-JUL-18 17:36:00 to 19-JUL-18 17:40:00 (CST-6)
Location: NIXA
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Multiple tree limbs of up to 6��� diameter were reported down along North Nichols Street.

Thunderstorm Wind in CEDAR, MISSOURI
From 19-JUL-18 16:37:00 to 19-JUL-18 16:38:00 (CST-6)
Location: JERICO SPGS
Magnitude: 52.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Public

Tree and minor roof damage, some shingles blown off, was reported at the intersection of Highway B and County Road 97. The time was estimated by radar.

Thunderstorm Wind in DADE, MISSOURI
From 19-JUL-18 16:54:00 to 19-JUL-18 16:58:00 (CST-6)
Location: GREENFIELD
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Received reports of multiple trees down throughout the county from several fire departments.

Thunderstorm Wind in DADE, MISSOURI
From 19-JUL-18 16:50:00 to 19-JUL-18 16:55:00 (CST-6)
Location: GREENFIELD
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Severe pictures of large tree trunks and limbs snapped off on Russell Street were received via social media. The time was estimated by radar.

Thunderstorm Wind in GREENE, MISSOURI
From 19-JUL-18 17:14:00 to 19-JUL-18 17:15:00 (CST-6)
Location: BOIS D ARC
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Multiple trees were reported downed.

Hail in ST. CLAIR, MISSOURI
From 19-JUL-18 14:53:00 to 19-JUL-18 14:53:00 (CST-6)
Location: APPLETON CITY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Quarter size hail was reported.

Thunderstorm Wind in LAWRENCE, MISSOURI
From 19-JUL-18 17:15:00 to 19-JUL-18 17:20:00 (CST-6)
Location: HALLTOWN
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Multiple tree limbs of up to 4��� diameter were reported down off of Highway 266. The time was estimated from radar.

Thunderstorm Wind in GREENE, MISSOURI
From 19-JUL-18 17:20:00 to 19-JUL-18 17:25:00 (CST-6)
Location: PLANO
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Received reports of power lines down in the Ash Grove area near Lawrence County Roads  1240 and 2020.

Thunderstorm Wind in GREENE, MISSOURI
From 19-JUL-18 17:25:00 to 19-JUL-18 17:30:00 (CST-6)
Location: BATTLEFIELD
Magnitude: 52.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: Public

A large tree branch was reported through the roof of house near Plainview road and Farm Road 137. The report was received via social media.

Thunderstorm Wind in GREENE, MISSOURI
From 19-JUL-18 17:30:00 to 19-JUL-18 17:35:00 (CST-6)
Location: BATTLEFIELD
Magnitude: 52.00 EG
Property damage: 35.00K
Crop damage: 0.00K
Reported by: Amateur Radio

A report of a large 2 foot diameter tree that fell and landed on a home was received via amateur radio.   No injuries occurred but significant damage to the home occurred. The time was based on radar.

Thunderstorm Wind in GREENE, MISSOURI
From 19-JUL-18 17:25:00 to 19-JUL-18 17:30:00 (CST-6)
Location: LANGSTON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Received a report of a 12 to 24 inch tree snapped in half along Sunshine Street.

Thunderstorm Wind in JASPER, MISSOURI
From 19-JUL-18 17:18:00 to 19-JUL-18 17:38:00 (CST-6)
Location: SARCOXIE
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Multiple reports were received of trees and power lines down throughout the county. This included reports from areas near Sarcoxie, Stotts City, Mount Vernon and north of Aurora.

Thunderstorm Wind in GREENE, MISSOURI
From 19-JUL-18 17:23:00 to 19-JUL-18 17:25:00 (CST-6)
Location: REPUBLIC
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Wind gusts estimated between 65 and 70 mph were reported on the south side of Republic near the intersection of Miller and Lynn Streets.

Thunderstorm Wind in STONE, MISSOURI
From 19-JUL-18 18:00:00 to 19-JUL-18 18:00:00 (CST-6)
Location: NOTCH
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Local Official

A line of severe thunderstorms producing 50 to 70 mph winds caused wind damage across Stone County.  On Table Rock Lake, winds of over 60 mph led to high waves.  An amphibious tourist vehicle sank with seventeen fatalities and numerous injuries reported.

Thunderstorm Wind in GREENE, MISSOURI
From 19-JUL-18 17:30:00 to 19-JUL-18 17:35:00 (CST-6)
Location: BATTLEFIELD
Magnitude: 52.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Multiple shingles were blown off a house in Village Terrace.

Hail in ST. CLAIR, MISSOURI
From 19-JUL-18 15:45:00 to 19-JUL-18 15:45:00 (CST-6)
Location: APPLETON CITY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A mixture of pea, nickle and quarter size hail was reported.

Thunderstorm Wind in CAMDEN, MISSOURI
From 19-JUL-18 11:31:00 to 19-JUL-18 11:31:00 (CST-6)
Location: CAMDENTON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Multiple trees were reported downed off of Dogwood Drive. The time was estimated by radar.

Thunderstorm Wind in ST. CLAIR, MISSOURI
From 19-JUL-18 14:30:00 to 19-JUL-18 14:33:00 (CST-6)
Location: OSCEOLA MUNI ARPT
Magnitude: 52.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Missouri Highway 82 was closed one half mile west of Route W due to a power line across the roadway.

Thunderstorm Wind in CEDAR, MISSOURI
From 19-JUL-18 15:02:00 to 19-JUL-18 15:03:00 (CST-6)
Location: NEEDMORE
Magnitude: 52.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Other Federal Agency

Numerous trees were uprooted as winds gusted to an estimated 60 mph. Damage was reported to the marina.

Thunderstorm Wind in LAWRENCE, MISSOURI
From 19-JUL-18 17:24:00 to 19-JUL-18 17:24:00 (CST-6)
Location: MT VERNON
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Wind gust measured at Mesonet station MO004 at Interstate 44, mile marker 47 near Mount Vernon.

Thunderstorm Wind in WEBSTER, MISSOURI
From 19-JUL-18 17:51:00 to 19-JUL-18 17:51:00 (CST-6)
Location: MARSHFIELD
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A few downed trees of 3-5 inches in diameter were reported.

Thunderstorm Wind in TANEY, MISSOURI
From 19-JUL-18 18:25:00 to 19-JUL-18 18:25:00 (CST-6)
Location: RIDGEDALE
Magnitude: 55.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

The AWOS station at Branson BBG recorded a 55 knot wind gust.

Thunderstorm Wind in OZARK, MISSOURI
From 19-JUL-18 18:55:00 to 19-JUL-18 18:55:00 (CST-6)
Location: GAINESVILLE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

A 52 knot wind gust was reported.

Thunderstorm Wind in ST. CLAIR, MISSOURI
From 19-JUL-18 14:40:00 to 19-JUL-18 14:45:00 (CST-6)
Location: COLLINS
Magnitude: 52.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Reports of numerous trees down and uprooted, along with multiple power outages occurred as winds gusted to an estimated 60 mph.

Thunderstorm Wind in ST. CLAIR, MISSOURI
From 19-JUL-18 14:41:00 to 19-JUL-18 14:46:00 (CST-6)
Location: BIRDSONG
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees were reported uprooted and laying in different directions at the intersection of US 54 and Highway J. This was a delayed report with the time estimated by radar.

Thunderstorm Wind in POLK, MISSOURI
From 19-JUL-18 14:48:00 to 19-JUL-18 14:53:00 (CST-6)
Location: HUMANSVILLE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

The Fire Department reported trees down in Humansville from gusty winds.

Thunderstorm Wind in DOUGLAS, MISSOURI
From 19-JUL-18 19:00:00 to 19-JUL-18 19:04:00 (CST-6)
Location: BERTHA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Multiple trees were reported downed across Highway 95, 3-4 miles south of Highway 14. The time was based on radar.

Thunderstorm Wind in GREENE, MISSOURI
From 19-JUL-18 17:16:00 to 19-JUL-18 17:20:00 (CST-6)
Location: (SGF)SPRINGFIELD ARP
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The wind gust was measured at the KSGF Automated Surface Observing System.

Thunderstorm Wind in GREENE, MISSOURI
From 19-JUL-18 17:22:00 to 19-JUL-18 17:22:00 (CST-6)
Location: REPUBLIC
Magnitude: 59.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A 68 mph gust was measured at the intersection of Hampton and Harrison streets.

Thunderstorm Wind in GREENE, MISSOURI
From 19-JUL-18 17:23:00 to 19-JUL-18 17:23:00 (CST-6)
Location: ELWOOD
Magnitude: 64.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

A thunderstorm wind gust of 64 knots was measured at the Springfield/Branson National Airport by ASOS.

Thunderstorm Wind in DADE, MISSOURI
From 19-JUL-18 16:56:00 to 19-JUL-18 16:56:00 (CST-6)
Location: HULSTAN
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

Seven big oaks trees were reported down in a pasture along with several large limbs buy a local homeowner. Minor roof damage was also reported. The report was received via social media and the time based on radar.

Hail in ST. CLAIR, MISSOURI
From 19-JUL-18 14:45:00 to 19-JUL-18 14:45:00 (CST-6)
Location: APPLETON CITY
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Strong winds and hail of dime to nickle size were reported.

Thunderstorm Wind in HOWELL, MISSOURI
From 19-JUL-18 19:30:00 to 19-JUL-18 19:35:00 (CST-6)
Location: POTTERSVILLE
Magnitude: 52.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Amateur Radio

A large tree was blown over a line of fencing. The time was based on radar.

Thunderstorm Wind in TANEY, MISSOURI
From 19-JUL-18 18:05:00 to 19-JUL-18 18:05:00 (CST-6)
Location: WALNUT SHADE
Magnitude: 52.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Several trees were reported down in the Bull Creek area, 2 miles off of Highway 65. A power line was also reported down over a trailer. No injuries were reported. The time was based on radar.

Thunderstorm Wind in TANEY, MISSOURI
From 19-JUL-18 18:13:00 to 19-JUL-18 18:13:00 (CST-6)
Location: BRANSON MEM ARPT
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

Multiple power lines were reported down along Highway 265.  The time was based on radar.

Thunderstorm Wind in TANEY, MISSOURI
From 19-JUL-18 18:14:00 to 19-JUL-18 18:14:00 (CST-6)
Location: HOLLISTER
Magnitude: 52.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Public

Minor roof damage and multiple large tree limbs down were reported. The time was based on radar.

Thunderstorm Wind in GREENE, MISSOURI
From 19-JUL-18 17:30:00 to 19-JUL-18 17:33:00 (CST-6)
Location: BATTLEFIELD
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Two large 10 diameter trees were snapped.

Thunderstorm Wind in GREENE, MISSOURI
From 19-JUL-18 17:30:00 to 19-JUL-18 17:35:00 (CST-6)
Location: SPRINGFIELD
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A large tree was down across a driveway off of University Street. The report was received via social media and the time based on radar.

Thunderstorm Wind in DOUGLAS, MISSOURI
From 19-JUL-18 18:36:00 to 19-JUL-18 18:40:00 (CST-6)
Location: MIDWAY
Magnitude: 52.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Emergency Manager

One power pole was snapped and a second was bent over East 76 Highway. The time was based on radar.