October 26, 2010 Severe Weather

One of the strongest areas of low pressure to impact the lower 48 states moves across the northern USA on October 26. This storm system brought severe weather to much of the central United States. In central Indiana, 2 tornadoes along with numerous straight line wind events were reported.

Satellite Image - Click to Enlarge Sea level pressure plot

Above left is a satellite picture of the storm taken during the late afternoon of October 26. Above right is a plot of sea level pressure with frontal positions overlaid, valid at 11 AM EDT. Click on any image to enlarge.

Storm Reports from around the USA on October 26

Above is a map of storm reports received from around the USA on October 26. Click to enlarge.

 A line of severe thunderstorms ahead of the cold front sped across central Indiana during the morning. Below are radar images of the line at approximately 8:30, 9:30, and 10:30 AM EDT.

Radar at about 8:30 AM Radar Image at about 9:30 AM Radar image at about 10:30 AM

 

A brief tornado touchdown was confirmed about two and a half miles east of downtown Kokomo near County Roads 300 East and 50 North.   One home had significant damage and 6 other structures had minor roof or fence damage.   This tornado has been rated an EF0 (wind speeds between 65 and 85 mph). 

Below is a radar image taken at 9:53 AM

Radar Image at 9:53 AM EDT

Some of the damage is pictured below.

 

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In addition, significant damage was observed in and near Wilkinson in Hancock County.  The NWS ground survey has determined that both tornado and straight line wind damage occurred with estimated wind speeds of up to 80 mph. A brief EF0 tornado touched down 2.4 miles northwest of Wilkinson on Nashville Rd. Some of the most significant damage occurred to a hog barn that was under construction near the intersection of County Roads 1100 North and 1100 East.  Injuries occurred to two workers who were on stilts constructing the ceiling in the unfinished hog barn when the storm moved across the area.  One hog in the finished barn was also found injured and had to be put down. 

Below are radar images taken at 10:22 AM EDT. The image on the left is reflectivity, while the image on the right is velocity. The velocity image indicates that nearly 80 mph winds were noted about 2000 ft above the ground:

Hancock County Reflectivity Radar Velocity Image for Hancock County

Some of the damage from Hancock County is pictured below.

 

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Significant damage was also observed in western Randolph County south and southeast of Parker City. The NWS damage survey has determined that this damage was caused by straight line winds, with estimated wind speeds of around 80 mph. Five buildings were damaged or destroyed. The most significant damage was a roof taken off a home and a garage picked up and moved off its foundation. Below is a radar image taken at about 11:00 AM EDT:

Radar over Randolph County

  Some of the damage is pictured below.

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  Here are peak winds for October 26 from observing stations across central Indiana:

Station Oct. 26 Peak Wind
Terre Haute 58 mph
Indianapolis 54 mph
Shelbyville 49 mph
Muncie 48 mph
Lafayette 44 mph
Bloomington 43 mph

Below are storm reports received by the National Weather Service as of the evening of the 26th:

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
741 PM EDT TUE OCT 26 2010

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0800 AM NON-TSTM WND DMG FILLMORE 39.67N 86.75W
10/26/2010 PUTNAM IN LAW ENFORCEMENT

TREE DOWN ON CAR WITH SOMEONE TRAPPED INSIDE...WORKING ON
BEING RELEASED. POWER LINES ALSO DOWN ACROSS THE CITY. NO
INJURIES REPORTED.

0829 AM TSTM WND GST TERRE HAUTE 39.47N 87.38W
10/26/2010 M70.00 MPH VIGO IN AMATEUR RADIO

MEASURED 70 MPH GUST AROUND TERRE HAUTE WITH TREES DOWN.

0832 AM TSTM WND GST 1 E TERRE HAUTE 39.47N 87.36W
10/26/2010 M58.00 MPH VIGO IN ASOS

OFFICIAL NWS OBSERVATION OF 58 MPH GUST AT TERRE HAUTE
ASOS.

0843 AM FUNNEL CLOUD 11 E ROCKVILLE 39.77N 87.02W
10/26/2010 PUTNAM IN LAW ENFORCEMENT

0845 AM TSTM WND GST 4 E VINCENNES 38.68N 87.44W
10/26/2010 E55.00 MPH KNOX IN TRAINED SPOTTER

0845 AM NON-TSTM WND DMG FRANKFORT 40.28N 86.51W
10/26/2010 CLINTON IN LAW ENFORCEMENT

TREE BLOCKING ROAD AT 400 W AND 200 N. LIMBS ALSO DOWN AT
230 W AND 200 N.

0900 AM TSTM WND DMG 2 NNW JAMESTOWN 39.95N 86.64W
10/26/2010 BOONE IN LAW ENFORCEMENT

SEMI OVERTURNED AT MM 49.5 ON I-74.

0900 AM TSTM WND DMG 7 W LEBANON 40.05N 86.61W
10/26/2010 BOONE IN LAW ENFORCEMENT

SEMI OVERTURNED AT 700 W AND SR 32.

0905 AM TSTM WND GST WASHINGTON 38.66N 87.17W
10/26/2010 E70.00 MPH DAVIESS IN TRAINED SPOTTER

60-70 MPH WINDS ESTIMATED AT SR 57 AND VIOLA AVE.
POSSIBLE ROTATION ALSO.

0910 AM TSTM WND DMG COALMONT 39.19N 87.23W
10/26/2010 CLAY IN LAW ENFORCEMENT

TREE DOWN ON GARAGE AT 1973 E US HWY 40. POWER LINES ALSO
DOWN.

0915 AM TSTM WND DMG 6 W LEBANON 40.05N 86.59W
10/26/2010 BOONE IN LAW ENFORCEMENT

GRAIN BIN DAMAGED AT 650 W AND SR 32.

0923 AM TSTM WND DMG 1 SW BLOOMINGTON 39.16N 86.53W
10/26/2010 MONROE IN EMERGENCY MNGR

TREE ON MOBILE HOME ON TAPP ROAD WEST OF SR 37.

0926 AM TSTM WND DMG 6 W LEBANON 40.05N 86.59W
10/26/2010 BOONE IN EMERGENCY MNGR

SR 32 CLOSED AT 700 W DUE TO POWER LINES DOWN...DEBRIS
AND OVERTURNED SEMI. US 52 IS ALSO BLOCKED BY A DOWNED
TREE. I-74 PARTIALLY CLOSED AT MM 49.

0930 AM TSTM WND DMG 2 W PLAINFIELD 39.70N 86.43W
10/26/2010 HENDRICKS IN PUBLIC

SUPPORT POST BLOWN OUT ON FRONT PORCH.

0930 AM TSTM WND GST ODON 38.84N 86.99W
10/26/2010 M68.00 MPH DAVIESS IN BROADCAST MEDIA

0932 AM LIGHTNING LEBANON 40.05N 86.47W
10/26/2010 BOONE IN EMERGENCY MNGR

HOUSE AT 1514 MARLEE STRUCK BY LIGHTNING AND STARTED ON
FIRE.

0938 AM TSTM WND GST SHERIDAN 40.13N 86.22W
10/26/2010 M68.00 MPH HAMILTON IN TRAINED SPOTTER

0938 AM TSTM WND GST 2 NW MOORESVILLE 39.64N 86.40W
10/26/2010 M70.00 MPH HENDRICKS IN TRAINED SPOTTER

MEASURED 70 MPH GUST WITH TREES DOWN.

0945 AM TSTM WND DMG BARGERSVILLE 39.52N 86.17W
10/26/2010 JOHNSON IN TRAINED SPOTTER

POWER LINES DOWN AT WHITELAND RD.

0945 AM TSTM WND DMG GREENWOOD 39.62N 86.11W
10/26/2010 JOHNSON IN AMATEUR RADIO

POWER LINES DOWN AT STOP 18 AND US 31.

0945 AM TSTM WND GST INDIANAPOLIS 39.78N 86.15W
10/26/2010 E60.00 MPH MARION IN PUBLIC

ON IUPUI CAMPUS.

0946 AM FUNNEL CLOUD 1 N CRANE 38.91N 86.90W
10/26/2010 GREENE IN EMERGENCY MNGR

ALONG INDIANA 45.

0950 AM TSTM WND GST INDIANAPOLIS 39.78N 86.15W
10/26/2010 M61.00 MPH MARION IN TRAINED SPOTTER

61 MPH MEASURED GUST AT 8000 S. TIBBS AVE.

0951 AM FUNNEL CLOUD 1 W SPEEDWAY 39.79N 86.27W
10/26/2010 MARION IN EMERGENCY MNGR

FUNNEL CLOUD SPOTTED AT GIRLS SCHOOL RD AND
CRAWFORDSVILLE RD.

0955 AM TSTM WND DMG 2 NE SPRINGVILLE 38.95N 86.59W
10/26/2010 LAWRENCE IN TRAINED SPOTTER

ONE FOOT DIAMETER TREE DOWN AT SR 37 AND OLD 37.

1000 AM TSTM WND DMG DANVILLE 39.76N 86.52W
10/26/2010 HENDRICKS IN TRAINED SPOTTER

18 INCH DIAMETER TREE DOWN AT COOK AVE. POWER LINES ALSO
DOWN. POWER OUTAGES IN DANVILLE...PITTSBORO AND
BROWNSBURG.

1000 AM FUNNEL CLOUD 5 N KOKOMO 40.55N 86.13W
10/26/2010 HOWARD IN TRAINED SPOTTER

MOVING NNE.

1004 AM TSTM WND GST 4 S ALEXANDRIA 40.20N 85.68W
10/26/2010 E70.00 MPH MADISON IN TRAINED SPOTTER

1004 AM TSTM WND GST ANDERSON 40.09N 85.69W
10/26/2010 M50.00 MPH MADISON IN AMATEUR RADIO

1004 AM TSTM WND GST FRANKTON 40.22N 85.77W
10/26/2010 M60.00 MPH MADISON IN AMATEUR RADIO

MEASURED 60 MPH GUST WITH 8-10 INCH TREE LIMBS DOWN.

1005 AM TSTM WND DMG 1 E ELWOOD 40.28N 85.82W
10/26/2010 MADISON IN TRAINED SPOTTER

DAMAGE TO A TRAILER PARK NEAR STATE ROADS 28 AND 37.

1005 AM TSTM WND DMG 1 E ELWOOD 40.28N 85.82W
10/26/2010 MADISON IN TRAINED SPOTTER

EMPTY TRACTOR TRAILER BLOWN OVER AT SR 28 AND 600 W.

1005 AM TORNADO 3 ENE KOKOMO 40.49N 86.08W
10/26/2010 HOWARD IN TRAINED SPOTTER

TORNADO SPOTTED AT 300 E AND 100 N. TREES DOWN...SHED AND
HOUSES DAMAGED.

1005 AM TSTM WND DMG KOKOMO 40.48N 86.13W
10/26/2010 HOWARD IN AMATEUR RADIO

NO POWER DOWNTOWN KOKOMO.

1007 AM TSTM WND GST 5 N ANDERSON 40.17N 85.69W
10/26/2010 M63.00 MPH MADISON IN TRAINED SPOTTER

1008 AM TSTM WND DMG GREENWOOD 39.62N 86.11W
10/26/2010 JOHNSON IN TRAINED SPOTTER

POWER LINES DOWN AT MAIN ST. AND I-65.

1011 AM TSTM WND DMG CICERO 40.12N 86.02W
10/26/2010 HAMILTON IN TRAINED SPOTTER

NUMEROUS TREES DOWN...DAMAGE IN EAST-WEST LINE NEAR 236
AND 47.

1012 AM TSTM WND DMG 5 SSW NEW PALESTINE 39.65N 85.93W
10/26/2010 SHELBY IN TRAINED SPOTTER

POWER LINES DOWN.

1015 AM TSTM WND GST ANDERSON 40.09N 85.69W
10/26/2010 E60.00 MPH MADISON IN TRAINED SPOTTER

60 MPH MEASURED GUST AT ANDERSON UNIVERSITY.

1017 AM TSTM WND GST GREENFIELD 39.79N 85.77W
10/26/2010 E80.00 MPH HANCOCK IN TRAINED SPOTTER

ESTIMATED GUSTS OF 80 MPH. MULTIPLE TRANSFORMERS BLOWING
UP AND STREET SIGNS DOWN.

1017 AM TSTM WND DMG 1 NW GREENFIELD 39.80N 85.78W

10/26/2010 HANCOCK IN TRAINED SPOTTER

MULTIPLE ROAD SIGNS DOWN AT MCKENZIE RD AND FRANKLIN ST.

1017 AM TSTM WND GST ANDERSON 40.09N 85.69W
10/26/2010 E60.00 MPH MADISON IN TRAINED SPOTTER

ESTIMATED 60 MPH WIND GUST. 8 TO 10 INCH TREE LIMB DOWN
ON HOUSE.

1017 AM TSTM WND DMG 2 N GREENFIELD 39.82N 85.77W
10/26/2010 HANCOCK IN TRAINED SPOTTER

POWER POLES BENT OVER AT GREEN MEADOWS DR. AND FIELD
BLVD.

1020 AM TSTM WND GST 10 NW BROWNSTOWN 38.98N 86.18W
10/26/2010 E60.00 MPH JACKSON IN LAW ENFORCEMENT

ESTIMATED GUSTS TO 60 MPH. SOME ROTATION SEEN AT 1200 W
AND SR 58.

1021 AM TSTM WND GST GREENFIELD 39.79N 85.77W
10/26/2010 M77.00 MPH HANCOCK IN EMERGENCY MNGR

77 MPH GUST REPORTED WEST SIDE OF GREENFIELD.

1025 AM TSTM WND DMG WILKINSON 39.88N 85.61W
10/26/2010 HANCOCK IN BROADCAST MEDIA

*** 1 INJ *** 1 PERSON WAS INJURED WHEN A LARGE PARTIALLY
CONSTRUCTED HOG BARN WAS SEVERELY DAMAGED.

1026 AM TSTM WND DMG 1 NE EDINBURGH 39.36N 85.95W
10/26/2010 SHELBY IN LAW ENFORCEMENT

TREE DOWN ON TRUCK ON SR 252 EAST OF I-65.

1028 AM TSTM WND DMG MUNCIE 40.20N 85.39W
10/26/2010 DELAWARE IN AMATEUR RADIO

POWER OUT IN THE NORTHWEST PORTION OF MUNCIE.

1035 AM FUNNEL CLOUD 2 W MUNCIE 40.20N 85.43W
10/26/2010 DELAWARE IN PUBLIC

1035 AM TSTM WND DMG 2 W WHITELAND 39.55N 86.13W
10/26/2010 JOHNSON IN TRAINED SPOTTER

POWER LINES DOWN AT 500 N AND INDIANA 135.

1040 AM TSTM WND GST HOPE 39.30N 85.77W
10/26/2010 E65.00 MPH BARTHOLOMEW IN TRAINED SPOTTER

ESTIMATED WIND GUSTS TO AT LEAST 65 MPH. ACCOMPANIED BY
TORRENTIAL RAINS WITH WATER ON RAODS...TRAFFIC DOWN TO
ONE LANE.

1058 AM TSTM WND GST GREENSBURG 39.34N 85.48W
10/26/2010 E50.00 MPH DECATUR IN FIRE DEPT/RESCUE

1100 AM TSTM WND DMG WHITELAND 39.55N 86.09W
10/26/2010 JOHNSON IN AMATEUR RADIO

SEMI TRACTOR-TRAILER BLOWN OVER AT MM 94.5 ON I-65.


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