A storm over the southwest U.S. will shift east through Thursday while another Pacific storm pivots over the region Friday through the weekend. Widespread low elevation rain and high elevation snow showers are expected with each storm. Both storms will shift over the central U.S. with the first occurring tonight through Thursday and the second Saturday night into Monday. Flood Watches issued. Read More >
Summary
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Tornadoes / Straight-Line Winds
Loves Park - Caledonia - Capron EF2
Summary: Based on an eyewitness report, a tornado touched in the backyard of a home just west of Interstate 39, on the eastern edge of a subdivision. The tornado then blew over a school bus near the intersection of Argyle and Harlem Roads. There were six people on the bus, the driver and five children. All six people were taken to the hospital but none of the injuries were serious. The tornado then knocked down eleven electrical high tension towers just southwest of the same intersection. The tornado continued northeast into western Boone county, and moved across largely open rural fields towards the town of Caledonia. Significant damage occured to at least six buildings in Caledonia, with approximately 20 additional buildings sustaining minor damage. Several large trees were snapped or uprooted and a grain bin was partially collapsed. The tornado then continued northeast from Caledonia, downing several power poles, and causing damage ranging from blown off roofs to completely destroying at least three farm outbuildings. One of these buildings, located 2 miles northwest of Capron, had also been damaged during the January 2008 tornado. The tornado path, consisting mainly of sporadic tree damage at this point, then continued to a location roughly one mile west of Lawrence, where the tornado appears to have dissipated at 325 pm. This tornado had a path length of 18.1 miles and a maximum width of 200 yards. The tornado began at approximately 3:00 PM and ended at approximately 3:25 PM. |
Big Foot Prairie - Walworth EF1
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Summary: A tornado touched down in the extreme northern part of McHenry County near Big Foot Prairie and then quickly moved northeast into Walworth County in southern Wisconsin west of the intersection of Alden Road and State Line Road. The tornado then quickly intensified to EF-1 rating. It moved northeast for over 5 miles before dissipating about 1,700 feet southeast of the intersection of County Road BB and Zenda Road. Five homes sustained damage, with two homes severely damaged. The tornado crossed County Highway B east of Swamp Angel Rd. Collectively, three sheds and two barns were damaged, with one of the barns flattened. Eight wooden power poles were also snapped, along with numerous trees and fences. On one farm, 4 cows, and several chickens and turkeys were killed by tornado debris. This tornado had a path length of 5.4 miles and a maximum width of 100 yards. The tornado began at 3:31 PM and ended at 3:37 PM. |
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
829 PM CST MON NOV 22 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0237 PM TSTM WND DMG DIXON 41.85N 89.48W
11/22/2010 LEE IL LAW ENFORCEMENT
TREES AND WIRES DOWN.
0241 PM HAIL ROCKFORD 42.27N 89.06W
11/22/2010 E0.50 INCH WINNEBAGO IL BROADCAST MEDIA
DIME SIZED HAIL AT WREX STATION.
0300 PM TORNADO 3 E LOVES PARK 42.34N 88.95W
11/22/2010 WINNEBAGO IL BROADCAST MEDIA
*** 6 INJ *** DAMAGE IN CALEDONIA AREA NEAR ARGYLE ROAD
AND HARLEM ROAD AND PAULSON ROADS...ONE BUSINESS ALMOST
COMPLETELY DESTROYED...OTHER HOMES AND GARAGES PARTIALLY
DOWN. GRAIN SILO DESTROYED AND LEAKING GRAIN ONTO STREET.
LARGE BARN COMPLETELY DOWN. LARGE SUBSTATION DAMAGED AND
HIGH TENSION POWERLINES DOWN. BUS ROLLED OVER AT PAULSON
AND HARLEM ROAD.6 CHILDREN INJURED...SENT TO HOSPITAL.
ALL INFORMATION REGARDING TIME AND LOCATIONS IS
PRELIMINARY UNTIL DAMAGE SURVEY CONDUCTED.
0300 PM TORNADO 3 E LOVES PARK 42.34N 88.95W
11/22/2010 WINNEBAGO IL BROADCAST MEDIA
ESTIMATED 1/2 MILE WIDE TORNADO SPOTTED ON GROUND AT THE
INTERSECTION OF ARGYLE RD AND HARLEM RD EAST OF ROCK CUT
STATE PARK NEAR CALEDONIA. POWER LINES DOWN AND DEBRIS IN
THE AIR REPORTED IN THE AREA.
0300 PM HAIL 2 NW PERU 41.36N 89.16W
11/22/2010 E1.00 INCH LA SALLE IL TRAINED SPOTTER
0315 PM TORNADO 2 NW HARVARD 42.44N 88.64W
11/22/2010 MCHENRY IL TRAINED SPOTTER
TORNADO SPOTTED ON GROUND IN LAWRENCE.
0315 PM FUNNEL CLOUD 2 W HARVARD 42.42N 88.65W
11/22/2010 MCHENRY IL TRAINED SPOTTER
SPOTTED 2 MILES DUE WEST OF MOTOROLA PLANT IN HARVARD..
0315 PM HEAVY RAIN N MENDOTA 41.55N 89.12W
11/22/2010 M0.41 INCH LA SALLE IL TRAINED SPOTTER
IN 1/2 HOUR. MEASURED BY COCORAHS SPOTTER. .86 INCHES
TOTAL SINCE MORNING READING.
0323 PM TSTM WND DMG EARLVILLE 41.59N 88.92W
11/22/2010 LA SALLE IL LAW ENFORCEMENT
PUBLIC INFORMED POLICE OF A TREE DOWN BLOCKING A ROAD.
THIS IS A DELAYED REPORT FROM EARLIER THIS AFTERNOON.
0324 PM FUNNEL CLOUD 3 W HINCKLEY 41.77N 88.70W
11/22/2010 DEKALB IL TRAINED SPOTTER
PASSED OVER RT 30 BETWEEN WATERMAN AND HINCKLEY
0325 PM HAIL WATERMAN 41.77N 88.77W
11/22/2010 E1.25 INCH DEKALB IL TRAINED SPOTTER
ESTIMATED BETWEEN QUARTER AND GOLF BALL SIZED.
0330 PM FUNNEL CLOUD ELBURN 41.89N 88.47W
11/22/2010 KANE IL TRAINED SPOTTER
ROTATING WALL CLOUD AND POSSIBLE FUNNEL CLOUD SPOTTED.
0335 PM FUNNEL CLOUD 5 SW ELBURN 41.83N 88.52W
11/22/2010 KANE IL LAW ENFORCEMENT
ROTATING WALL CLOUD SPOTTED BY SHERIFF DEPUTY AND TRAINED
SPOTTER.
0340 PM HAIL 1 SSW MAPLE PARK 41.90N 88.60W
11/22/2010 E1.00 INCH KANE IL TRAINED SPOTTER
REPORTED FROM ILLINOIS RT 38 AND COUNTY LINE RD.
0346 PM FUNNEL CLOUD 5 NW SUGAR GROVE 41.82N 88.53W
11/22/2010 KANE IL TRAINED SPOTTER
SPOTTED 1 MILE SOUTH OF KANEVILLE.
0400 PM TSTM WND GST OTTAWA 41.35N 88.84W
11/22/2010 M55.00 MPH LA SALLE IL TRAINED SPOTTER
MEASURED 2 MILES NORTH OF I-80 AT RT. 23. 40 MPH+
SUSTAINED WINDS AT THE TIME.
0400 PM FLASH FLOOD CHICAGO 41.88N 87.63W
11/22/2010 COOK IL TRAINED SPOTTER
STREET FLOODING WITH 6-7 INCHES OF WATER ON ROAD AT 6000
N LINCOLN AVENUE NEAR THE INTERSECTION AT PETERSON.
0400 PM HEAVY RAIN OTTAWA 41.35N 88.84W
11/22/2010 M1.00 INCH LA SALLE IL TRAINED SPOTTER
IN 1 HOUR.
0404 PM HAIL ELGIN 42.04N 88.29W
11/22/2010 M0.50 INCH KANE IL TRAINED SPOTTER
DIME SIZE HAIL REPORTED AT INTERSECTION OF BOWES AND
RANDALL ROADS.
0415 PM FUNNEL CLOUD OSWEGO 41.70N 88.33W
11/22/2010 KENDALL IL PUBLIC
SPOTTED AT INTERSECTION OF RT 34 AND DOUGLAS
0420 PM HAIL MONTGOMERY 41.73N 88.34W
11/22/2010 M0.25 INCH KANE IL TRAINED SPOTTER
INTERSECTION OF RT 31 AND RT 30
0445 PM HEAVY RAIN GLEN ELLYN 41.87N 88.06W
11/22/2010 M2.15 INCH DUPAGE IL TRAINED SPOTTER
RAIN FELL BETWEEN 400 AND 445 PM.
0445 PM HEAVY RAIN 5 NNW ADDISON 42.00N 88.05W
11/22/2010 M0.77 INCH DUPAGE IL TRAINED SPOTTER
COCORAHS OBSERVER. RAIN FELL BETWEEN 415 AND 430 PM. 1.03
INCHES OF RAINFALL SINCE 6AM READING.
0455 PM HEAVY RAIN SSE CAROL STREAM 41.91N 88.13W
11/22/2010 M1.52 INCH DUPAGE IL TRAINED SPOTTER
STORM TOTAL. 1.11 INCHES OF RAIN FELL IN THE LAST 2
HOURS. COCORAHS OBSERVER.
0510 PM TSTM WND GST AURORA 41.77N 88.29W
11/22/2010 M51.00 MPH KANE IL BROADCAST MEDIA
MESONET REPORT RELAYED BY TV STATION WGN
0510 PM TSTM WND GST CHICAGO 41.88N 87.63W
11/22/2010 M47.00 MPH COOK IL BROADCAST MEDIA
READING FROM BELDING ELEMENTARY SCHOOL. MESONET REPORT
RELAYED BY TV STATION WGN.
0510 PM TSTM WND GST LOMBARD 41.87N 88.01W
11/22/2010 M44.00 MPH DUPAGE IL BROADCAST MEDIA
MESONET REPORT RELAYED BY TV STATION WGN
0510 PM TSTM WND GST NAPERVILLE 41.76N 88.15W
11/22/2010 M51.00 MPH DUPAGE IL BROADCAST MEDIA
MESONET REPORT RELAYED BY TV STATION WGN
0510 PM TSTM WND GST WAUKEGAN 42.37N 87.87W
11/22/2010 M46.00 MPH LAKE IL BROADCAST MEDIA
MESONET REPORT RELAYED BY TV STATION WGN
0510 PM TSTM WND GST RIVERSIDE 41.83N 87.82W
11/22/2010 M43.00 MPH COOK IL BROADCAST MEDIA
MESONET REPORT RELAYED BY TV STATION WGN
0530 PM HEAVY RAIN NAPERVILLE 41.76N 88.15W
11/22/2010 E1.34 INCH DUPAGE IL BROADCAST MEDIA
UNOFFICIAL MESONET RAINFALL TOTAL THROUGH 530 PM RELAYED
BY WMAQ.
0530 PM HEAVY RAIN STREAMWOOD 42.02N 88.17W
11/22/2010 M1.60 INCH COOK IL BROADCAST MEDIA
UNOFFICIAL MESONET RAINFALL TOTAL THROUGH 530 PM RELAYED
BY WMAQ.
0530 PM HEAVY RAIN SCHAUMBURG 42.03N 88.08W
11/22/2010 M1.78 INCH COOK IL BROADCAST MEDIA
UNOFFICIAL MESONET RAINFALL TOTAL THROUGH 530 PM RELAYED
BY WMAQ.
0539 PM FLASH FLOOD BROOKFIELD 41.82N 87.85W
11/22/2010 COOK IL TRAINED SPOTTER
NEAR INTERSECTION OF OGDEN AVE AND FIRST AVENUE, MINOR
STREET FLOODING
0555 PM HEAVY RAIN OHARE AIRPORT 41.98N 87.90W
11/22/2010 M1.36 INCH COOK IL OFFICIAL NWS OBS
STORM TOTAL AS OF 6PM
0555 PM HEAVY RAIN ROCKFORD AIRPORT 42.20N 89.10W
11/22/2010 M0.48 INCH WINNEBAGO IL OFFICIAL NWS OBS
STORM TOTAL
0555 PM HEAVY RAIN AURORA 41.77N 88.29W
11/22/2010 M1.61 INCH KANE IL ASOS
0555 PM HEAVY RAIN ROMEOVILLE 41.65N 88.09W
11/22/2010 M0.64 INCH WILL IL OFFICIAL NWS OBS
STORM TOTAL AS OF 6PM
0555 PM HEAVY RAIN MIDWAY AIRPORT 41.78N 87.75W
11/22/2010 M1.06 INCH COOK IL ASOS
STORM TOTAL SO FAR
0555 PM HEAVY RAIN WEST CHICAGO 41.89N 88.22W
11/22/2010 M1.02 INCH DUPAGE IL ASOS
0557 PM HEAVY RAIN YORKVILLE 41.64N 88.45W
11/22/2010 M0.84 INCH KENDALL IL CO-OP OBSERVER
STORM TOTAL
0603 PM FLASH FLOOD MIDWAY AIRPORT 41.78N 87.75W
11/22/2010 COOK IL OTHER FEDERAL
RUNWAY CLOSED DUE TO STANDING WATER.
0615 PM HEAVY RAIN 1 ESE PONTIAC 40.87N 88.63W
11/22/2010 M0.83 INCH LIVINGSTON IL TRAINED SPOTTER
0.75 INCHES OF RAIN FELL IN PAST 30 MINUTES. COCORAHS
OBSERVER.
0710 PM HEAVY RAIN 4 NE BROOKFIELD 41.88N 87.80W
11/22/2010 M1.75 INCH COOK IL TRAINED SPOTTER
RAIN FELL IN THE LAST 12 HOURS. COCORAHS OBSERVER
0714 PM HEAVY RAIN BERWYN 41.84N 87.79W
11/22/2010 M2.02 INCH COOK IL TRAINED SPOTTER
RETIRED NWS EMPLOYEE
0726 PM HEAVY RAIN OAK BROOK 41.84N 87.95W
11/22/2010 M1.16 INCH DUPAGE IL CO-OP OBSERVER
STORM TOTAL
The Enhanced Fujita (EF) Scale classifies tornadoes into the following categories:
| EF-0 Weak 65-85 mph |
EF-1 Moderate 86-110 mph |
EF-2 Significant 111-135 mph |
EF-3 Severe 136-165 mph |
EF-4 Extreme 166-200 mph |
EF-5 Catastrophic 200+ mph |
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Radar
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Environment
A potent cold front passed through the area on Monday, November 22, and brought a line of severe thunderstorms to the region. Strong southerly winds ahead of the front brought warm and humid air into the region. Temperatures neared record highs and dew points soared into the upper 50s to lower 60s allowing moderate instability to develop. Strong wind shear in the atmosphere, especially in the lowest kilometer, created favorable conditions for rotating supercells and tornadoes.
A cold front approached northeast Illinois with southerly winds ahead of it and southwesterly winds behind it. A change in wind direction with height above the ground created strong low level wind shear, a condition favorable for rotating thunderstorms.
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Photos
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| Damage to a grain elevator near Caledonia (NWS Damage Survey) |
Damage to a grain silo near Caledonia (NWS Damage Survey) |
Damage to a garage near Capron (NWS Damage Survey) |
Damage to a garage near Caledonia (NWS Damage Survey) |
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| Damage along Main Street in Caledonia (NWS Damage Survey) |
Damage to electrical transmission towers east of Loves park (NWS Damage Survey) |
Damage to a house near Caledonia (NWS Damage Survey) |
Damage to a residence near Caledonia (NWS Damage Survey) |
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| Damage to a garage near Caledonia (NWS Damage Survey) |
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Media use of NWS Web News Stories is encouraged! Please acknowledge the NWS as the source of any news information accessed from this site. Additional recaps can be found on the NWS Chicago Past Events Page |
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Storm-relative velocity loop for afternoon of November 22, 2010.
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