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Overview
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A strong storm system developed across the eastern Great Plains and Midwest during the afternoon of November 26, and brought a strong cold front across the area during the evening and overnight. Several rounds of showers and strong thunderstorms developed along this front, some of which produced severe wind gusts. Damage was limited mainly to trees, and mainly occurred over southeast Iowa and west central Illinois. An NWS Storm Survey determined that straight-line thunderstorms wind caused extensive damage in Granville, IL this morning at approximately 1240 AM CST. The maximum estimated wind speed is between 90 and 100 MPH. The winds snapped power poles, uprooted and snapped trees, and caused roof damage at several homes and businesses. The damage path is approximately 1 mile long and half of a mile wide. |
 WPC Surface Fronts and Pressure |
Photos Granville, IL from NWS Survey Team
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| Uprooted Tree |
Roof Damage |
Roof Damage | Roof Damage and Trees Snaped |
Storm Reports
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| Interactive Storm Report Map Courtesy Iowa Environment Mesonet |
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
412 PM CST WED NOV 27 2019
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1023 PM HAIL CLARK CITY 40.42N 91.69W
11/26/2019 E0.25 INCH CLARK MO TRAINED SPOTTER
1248 AM TSTM WND DMG GRANVILLE 41.26N 89.23W
11/27/2019 PUTNAM IL EMERGENCY MNGR
EM REPORTS SOME TREES AND POWERLINES DOWN IN
GRANVILLE.
1240 AM TSTM WND DMG GRANVILLE 41.26N 89.23W
11/27/2019 PUTNAM IL NWS STORM SURVEY
AN NWS STORM SURVEY DETERMINED THAT
STRAIGHT-LINE THUNDERSTORM WINDS CAUSED
EXTENSIVE DAMAGE IN GRANVILLLE, IL EARLY
THIS MORNING. MAXIMUM WINDS WERE ESTIMATED
BETWEEN 90 AND 100 MPH. THE WINDS SNAPPED
POWER POLES, UPROOTED AND SNAPPED TREES, AND
CAUSED ROOF DAMAGE AT SEVERAL HOMES AND
BUSINESSES. THE DAMAGE PATH IS APPROXIMATELY
1 MILE LONG AND A HALF OF A MILE WIDE.
1115 PM TSTM WND DMG 2 NE OQUAWKA 40.96N 90.92W
11/26/2019 HENDERSON IL LAW ENFORCEMENT
DELAYED REPORT. TREE DOWN NORTHEAST OF
OQUAWKA. TIME ESTIMATED FROM RADAR.
1115 PM TSTM WND DMG 2 ESE WAPELLO 41.17N 91.15W
11/26/2019 LOUISA IA LAW ENFORCEMENT
LARGE TREE DOWN NEAR THE INTERSECTION OF
77TH ST AND HIGHWAY 99. TIME ESTIMATED FROM
RADAR.
1035 PM TSTM WND GST 1 E KEOKUK AIRPORT 40.47N 91.42W
11/26/2019 M58 MPH LEE IA AWOS
AWOS STATION KEOK KEOKUK ARPT.
1035 PM TSTM WND GST 1 WNW KEOKUK 40.42N 91.43W
11/26/2019 E60 MPH LEE IA TRAINED SPOTTER
RELAYED BY DES MOINES CO EMA. SPOTTER
ESTIMATED 55 TO 65 MPH WINDS ALONG HIGHWAY
61 BYPASS NEAR KEOKUK. TIME ESTIMATED.
1100 PM TSTM WND DMG BURLINGTON 40.80N 91.12W
11/26/2019 DES MOINES IA PUBLIC
PUBLIC REPORTED A PART OF THEIR SUNROOM WALL
BLOWN IN FROM THE WIND. TIME ESTIMATED FROM
RADAR.
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