Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East

A significant, long-duration winter storm will bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Widespread travel disruptions, prolonged power outages, and vast tree damage is likely. Frigid temperatures, gusty winds, and dangerous wind chills will expand from the north-central US to the Southern Plains, MS Valley, and Midwest. Read More >

Overview

A complex of severe thunderstorms developed in eastern Iowa during the evening of October 6, 2016 ahead of a cold front. The storms intensified as they moved into far east-central Iowa and northwestern Illinois bringing heavy rain, frequent lightning, strong winds, and several tornadoes. Damage was reported in Muscatine, Scott, and Rock Island Counties.
Surface Map / Radar	Tornado Track Paths

Tornado
Photos & Video
Radar
Storm Reports
Rainfall
Environment

Tornadoes:

Tornado #1 - 4 Miles NW Muscatine, IA
Muscatine County

Date	October 6, 2016
Time (Local)	10:07 PM CDT - 10:18 PM CDT
EF Rating	EF1
Est. Peak Winds	95 MPH
Path Length	9.5 Miles
Max Width	30 Yards
Injuries/Deaths	None
Summary: A fast moving tornado caused mostly damage to crops and trees along its 9.5 mile path. A few trees were snapped at their trunks. One hog farm had two outbuildings completely destroyed.

Track Map

Tornado #2 - 2 Miles S Coal Valley, IL
Rock Island

Date	October 6, 2016
Time (Local)	10:41 PM CDT - 10:46 PM CDT
EF Rating	EF-0
Est. Peak Winds	85 MPH
Path Length	4.9 MILES
Max Width	10 YARDS
Injuries/Deaths	0 / 0
Summary: A fast-moving EF0 tornado caused damage to mainly trees and crops along its path.

Track Map

Tornado #3 - Davenport-Bettendorf-Princeton, IA & Cordova, IL
Scott County & Rock Island County

Date	October 6, 2016
Time (Local)	1036 PM CDT - 1100 PM CDT
EF Rating	EF-1
Est. Peak Winds	100 MPH
Path Length	20 MILES
Max Width	800 YARDS
Injuries/Deaths	0 / 0
Summary: An EF1 tornado began in western Davenport, tracking to the northeast. Damage began on Credit Island and extended through downtown Davenport, the Village of East Davenport, Bettendorf, and into northeast Scott County. The tornado then crossed the Mississippi River south of Princeton and hit the Cordova before it lifted. Along the path, damage was primarily to trees and outbuildings. Some trees fell on homes and cars. In downtown Davenport the roof of the jail and the roof of a homeless shelter were also damaged. Peak wind was estimated at 100 mph.

Track Map

The Enhanced Fujita (EF) Scale classifies tornadoes into the following categories:

EF0 Weak 65-85 mph	EF1 Moderate 86-110 mph	EF2 Significant 111-135 mph	EF3 Severe 136-165 mph	EF4 Extreme 166-200 mph	EF5 Catastrophic 200+ mph

Photos & Video:


NWS Official Survey (source)	NWS Official Survey (source)	NWS Official Survey (source)	NWS Official Survey (source)

NWS Official Survey (source)	NWS Official Survey (source)	NWS Official Survey (source)	NWS Official Survey (source)

Radar: Interactive Loop


Regional View

Storm Reports

INTERACTIVE MAP	SPC REPORTS

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
505 PM CDT FRI OCT 07 2016

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

1013 PM     TSTM WND GST     3 NE MUSCATINE          41.45N 91.04W 
10/06/2016  E60.00 MPH       MUSCATINE          IA   TRAINED SPOTTER 

1015 PM     TSTM WND DMG     NW FAIRPORT             41.44N 90.90W 
10/06/2016                   MUSCATINE          IA   TRAINED SPOTTER 

            TREE DOWN ACROSS RAILROAD TRACKS IN HWY 22, HAS ALSO 
            BROUGHT DOWN POWER LINES WITH IT.

1015 PM     TSTM WND DMG     NW FAIRPORT             41.44N 90.90W 
10/06/2016                   MUSCATINE          IA   TRAINED SPOTTER 

            BUILDING DAMAGE AND MULTIPLE TREES DOWN ON WATER STREET 
            IN FAIRPORT.

1019 PM     TORNADO          MUSCATINE               41.42N 91.07W 
10/06/2016                   MUSCATINE          IA   TRAINED SPOTTER 

            TRAINED SPOTTER REPORTED POSSIBLE TORNADO ON EAST SIDE OF
            MUSCATINE NEAR F-70 AND HIGHWAY 61.

1027 PM     TORNADO          2 N STOCKTON            41.61N 90.87W 
10/06/2016                   SCOTT              IA   TRAINED SPOTTER 

            TRAINED SPOTTER REPORTED TORNADO LIFTED AROUND 1027 PM. 
            TORNADO WAS ON THE GROUND FOR ABOUT 12 TO 15 MINUTES.

1032 PM     TSTM WND DMG     DAVENPORT               41.56N 90.60W 
10/06/2016                   SCOTT              IA   NWS EMPLOYEE    

            NEAR INTERSECTION OF ELM AND JERSEY RIDGE, REPORT OF 
            SEVERAL BRANCHES DOWN. POSSIBLE TORNADO.

1039 PM     TSTM WND DMG     DAVENPORT               41.56N 90.60W 
10/06/2016                   SCOTT              IA   LAW ENFORCEMENT 

            PARTIAL ROOF OFF HOME ON W 3RD STREET, POSSIBLE TORNADO 
            DAMAGE. ESTIMATED TIME BASED OFF RADAR.

1040 PM     TSTM WND DMG     BETTENDORF              41.56N 90.48W 
10/06/2016                   SCOTT              IA   PUBLIC          

            TREE DOWN ON CAR ON SOUTH HAMPTON DRIVE IN BETTENDORF. 
            REPORT RELAYED FROM SOCIAL MEDIA.

1040 PM     TSTM WND DMG     2 W BETTENDORF          41.56N 90.50W 
10/06/2016                   SCOTT              IA   TRAINED SPOTTER 

            WIDESPREAD TREE DAMAGE WITH 2 TO 3 FOOT DIAMETER LIMBS 
            DOWN AND SOME TREES SNAPPED OFF. ALSO AT LEAST 3 REPORTS 
            OF HOLES IN ROOFS DUE TO TREES AND DAMAGE TO SHINGLES AND
            SIDING. DAMAGE PATH ROUGHLY FROM SPRUCE HILLS DRIVE 
            THROUGH TANGLEFOOT LANE AND GREENBIER DRIVE, ENDING AT 
            CROW CREEK RD IN AN APPARANT NORTHEASTERLY DAMAGE PATH.

1042 PM     TSTM WND DMG     1 W BETTENDORF          41.56N 90.49W 
10/06/2016                   SCOTT              IA   TRAINED SPOTTER 

            TIME ESTIMATED - 2 INCH DIAMETER LIMBS DOWN

1044 PM     TSTM WND DMG     2 S COAL VALLEY         41.42N 90.45W 
10/06/2016                   ROCK ISLAND        IL   TRAINED SPOTTER 

            SPOTTER REPORTED TREE DAMAGE AND DAMAGE TO A SHED AT 
            ARROWHEAD RANCH. 

1059 PM     TSTM WND DMG     1 SSW CORDOVA           41.67N 90.33W 
10/06/2016                   ROCK ISLAND        IL   TRAINED SPOTTER 

            TIME ESTIMATED- 3 TO 4 MATURE ELMS AND OAKS BLOWN DOWN IN
            CORDOVA

0600 AM     HEAVY RAIN       2 NNW MUSCATINE         41.44N 91.08W 
10/07/2016  M1.23 INCH       MUSCATINE          IA   TRAINED SPOTTER 

0606 AM     HEAVY RAIN       1 W WASHINGTON          41.30N 91.70W 
10/07/2016  M1.30 INCH       WASHINGTON         IA   TRAINED SPOTTER 

0700 AM     HEAVY RAIN       DAVENPORT               41.56N 90.60W 
10/07/2016  M1.36 INCH       SCOTT              IA   CO-OP OBSERVER  

0710 AM     HEAVY RAIN       2 N MUSCATINE           41.45N 91.07W 
10/07/2016  M1.22 INCH       MUSCATINE          IA   CO-OP OBSERVER  

0712 AM     HEAVY RAIN       1 NW DAVENPORT          41.56N 90.61W 
10/07/2016  M1.21 INCH       SCOTT              IA   TRAINED SPOTTER 

0715 AM     HEAVY RAIN       4 S DEWITT              41.76N 90.55W 
10/07/2016  M1.10 INCH       SCOTT              IA   CO-OP OBSERVER  

0800 AM     HEAVY RAIN       1 W BETTENDORF          41.56N 90.49W 
10/07/2016  M1.67 INCH       SCOTT              IA   TRAINED SPOTTER 

            24 HOUR RAIN TOTAL. 0.55 SINCE MIDNIGHT.

0800 AM     HEAVY RAIN       FAIRFIELD               41.01N 91.97W 
10/07/2016  M1.65 INCH       JEFFERSON          IA   CO-OP OBSERVER

Rainfall Amounts


Local Rainfall Map	Regional Rainfall Map

Environment

00Z 10/07/2016 SOUNDING

SPC OUTLOOKS


DAY 1 OUTLOOK 20Z	DAY 1 TOR OUTLOOK 20Z	DAY1 OUTLOOK 01Z	DAY 1 TOR OUTLOOK 01Z

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Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East

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