Belvidere - Oak Lawn tornado outbreak

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The Belvidere Tornado Outbreak was the tornado outbreak that occurred on April 21, 1967 across the Upper Midwest, in particular the Chicago area including the towns of Belvidere and Oak Lawn, Illinois. It was the most notable tornado of 1967 and one of the most notable to occur in the Chicago area. The Belvidere disaster was documented in an episode of The Weather Channel's Storm Stories.

Contents

[edit] Tornado table

Confirmed
Total
Confirmed
F0
Confirmed
F1
Confirmed
F2
Confirmed
F3
Confirmed
F4
Confirmed
F5
44 5 14 17 3 5 0

[edit] Confirmed tornadoes

F# Location County Time (UTC) Path length Damage
Missouri
F0 NE of Azen Scotland 1400 1 miles (1.6 km)
F1 NE of Gower Clinton 1830 0.2 miles (0.32 km)
F1 Cameron area Clinton 1900 0.1 miles (0.16 km)
F2 E of Pattonsburg Daviess 1900 8.4 miles (13.4 km)
F0 NE of Gallatin Daviess 1915 0.1 miles (0.16 km)
F3 N of Mandeville Ray, Carroll 1920 14.6 miles (23.4 km)
F2 S of Humphreys Grundy, Sullivan 2000 6.3 miles (10.1 km)
F2 NE of Cunningham Chariton 2010 3 miles (4.8 km)
F4 SE of Forker to W of Pelvna Linn, Macon, Knox 2020 59 miles (94.4 km)
F2 SE of Salt Springs to E of Orearville Saline 2020 20.4 miles (32.6 km)
F0 W of Corder Lafayette 2103 0.1 miles (0.16 km)
F1 NE of Adrian Bates 2110 0.1 miles (0.16 km)
Indiana
F1 Rushville area Rush 1833 0.1 miles (0.16 km)
F2 NE of Commiskey Jennings, Jefferson 2310 6.3 miles (10.1 km)
F0 NE of Monticello White 0227 0.1 miles (0.16 km)
Iowa
F3 E of Fairfield Jefferson 2000 0.1 miles (0.16 km)
F2 E of Birmingham to NE of Mount Union Van Buren, Hancock 2100 32.8 miles (52.5 km)
Illinois
F1 SW of Spring Hill Whiteside 2130 0.3 miles (0.5 km)
F2 E of Coal Valley to S of Hooppole Henry 2135 25.1 miles (40.2 km)
F2 N of Hooppole Henry 2150 4.5 miles (7.2 km)
F4 SW of Belvidere to N of Woodstock Boone, McHenry 2150 25.5 miles (40.8 km) 24 deaths
F1 S of Daysville Ogle 2200 1 miles (1.6 km)
F2 W of Maytown Lee 2202 5.6 miles (9 km)
F1 SE of Amboy Lee 2215 5.6 miles (9 km)
F1 W of Kasbeer Bureau 2230 0.5 miles (0.8 km)
F2 SE of Hennepin Putnam 2230 0.3 miles (0.5 km)
F1 SE of DeKalb DeKalb 2240 2 miles (3.2 km)
F4 NW of Middlebury to W of Hawthorn Woods McHenry, Lake 2300 8.8 miles (14.1 km) 1 death
F2 NE of South Elgin Kane 2310 0.3 miles (0.5 km)
F1 NW of Bloomingdale DuPage 2310 0.5 miles (0.8 km)
F1 Addison to Schiller Park DuPage, Cook 2310 6.8 miles (10.9 km)
F4 Palos Park to Chicago (South Side-entering Lake Michigan at 79th Street) Cook 2324 15 miles (24 km) 33 deaths
F1 South Holland area Cook 2340 0.3 miles (0.5 km)
F1 Champaign area Champaign 0250 0.1 miles (0.16 km)
Michigan
F2 E of Spring Grove to SE of Bentheim Allegan 2355 18.6 miles (29.8 km)
F3 SW of Grandville to N of Cascade Kent 2358 13.6 miles (21.8 km)
F2 NE of Middleville to NW of Lake Odessa Barry 0000 14.5 miles (23.2 km)
F2 Derby area Berrien 0025 1 miles (1.6 km)
F0 S of Holton Muskegon 0110 0.1 miles (0.16 km)
F2 Portland area Ionia 0115 0.1 miles (0.16 km)
F4 NE of Westphalia Clinton 0115 12 miles (19.2 km)
F2 N of Cascade Kent 0130 0.3 miles (0.5 km)
F1 N of Sunfield Eaton 0148 0.1 miles (0.16 km)
F2 Potterville to Lansing Eaton, Ingham 0210 10.9 miles (17.4 km)
Sources:

Tornado History Project Storm Data - April 21, 1967

[edit] Meteorological synopsis

Outbreak death toll
State Total County County
total
Illinois 58 Boone 24
Cook 33
Lake 1
Totals 58
All deaths were tornado-related

The 21st of April was a warm Friday afternoon in northern Illinois. A warm front part of a very deep storm system had been marching through Illinois all day and by afternoon moved north of the state. Temperatures ahead of the storms into the low to mid 70s with dewpoints in the 60s, a 120-knot upper level jet and increasing low-level shear.[1] By 3 P.M., more than 12 tornadoes had already been spawned from the storm system. The National Weather Service was able to issue a tornado watch at 1:50 P.M.

[edit] Belvidere High School

At 3:50 P.M., a violent tornado rated F4 on the Fujita scale, raked through the town, damaging the high school and overturning buses. Twenty-four people were killed and another 410 injured. 127 homes were destroyed and 379 damaged. The storm continued into McHenry County, spawning another tornado in Woodstock. The two tornadoes covered a 25-mile swath. Thirteen of the 24 people killed in Belvidere were killed at the school, making this tornado the 6th deadliest ever to hit a school [1]. The Belvidere Tornado was especially devastating because it hit the school just as students were getting on the buses to go home. Just before 4pm, the F4 Tornado reached the school. Twelve buses, already filled with elementary school and middle school students, were tossed about. Shortly after the passing of the tornado, faculty and some of the stronger students used the fireproof doors of the high school as stretchers to carry the injured into the gymnasium.

[edit] Palos Hills - Oak Lawn - Chicago

Aerial view of Tornado damage in the southwestern suburbs of Chicago
Aerial view of Tornado damage in the southwestern suburbs of Chicago

At 5:30 P.M., another strong, later F4-estimated, tornado touched down near Palos Hills. It strengthened and in the space of six minutes, tore a 16.2-mile (65 mph ground speed) swath of destruction through Oak Lawn, Hometown, Evergreen Park, and devastated the south side of Chicago before moving offshore to Lake Michigan as people were stuck in traffic during Friday rush hour. For that reason, this tornado ended up being the deadliest in the outbreak. Thirty-three people were killed and 1000 were injured, including 16 deaths alone at the intersection of Southwest Highway and W. 95th St. (US-12/20) in Oak Lawn. It destroyed 152 homes and damaged 900, causing $50 million in damage.

[edit] Other tornadoes

These tornadoes were a part of a tornado outbreak which also affected parts of Illinois, northern Missouri, southeast Iowa, and southern lower Michigan. There were a total of 19 tornadoes in Illinois. The entire outbreak killed 58 people.

[edit] Two days later

Two days later on Sunday, April 23, 1967, three inches of snow fell on Belvidere, which only exacerbated the cleanup from Friday's tornadoes. In fact, many cities and towns in the Midwest broke record overnight lows on April 24 and 25. A state of emergency was declared for Boone County, and the reserves came to assist in the cleanup effort. Senator Charles Percy and Illinois Governor Otto Kerner visited to speak with victims and thank the recovery volunteers.

[edit] See also

[edit] References

[edit] External links