April 7-8, 2020 - Overnight Severe Storms; Hail, Damaging Winds, and 3 Tornadoes
Discrete supercells formed across Lake Michigan/western Lower Michigan Tuesday evening ahead of surface low pressure and an attendant cold front. The initial storms formed on the northern periphery of a destabilizing warm sector that extended northeastward into the southern Great Lakes and across most of the local forecast area, where 1000-1500 J/kg of Most Unstable CAPE built northeastward across the region. The initial convection produced large hail, aided by a northeastward advancing Elevated Mixed Layer (EML), with mid-level lapse rates of -8 to -8.5 °C/km across the area. The storms developed a cold pool and raced east-southeast from southeast Lower Michigan across Lake Erie into northern Ohio by 04Z (midnight), coincident with a 65-75 kt 500 mb jet streak. Effective shear values of 45-55 kts helped to maintain Mesoscale Convective System (MCS) organization through the forecast area, with widespread wind damage reported. Large hail was also reported across the area within the stronger cores of the MCS, as well as some initial discrete convection that formed just ahead of the MCS. Several mesovortices were observed along the leading edge of the MCS, most notably across Medina county, where rotation quickly tightened and a prolonged hook echo was observed as the storm moved southeast through the county. This feature is coincident with some enhanced damage reports from southeast Lorain County to Stark County. Ultimately, three tornado damage paths were identified: an EF-1 tornado in portions of Lorain and Medina Counties, another EF-1 in portions of Summit County, and an EF-0 tornado in portions of Stark County.
Confirmed Tornadoes
Grafton/Medina, Lorain/Medina Counties Ohio EF-1
An EF-1 tornado with maximum winds of 100 mph, a maximum width of 100 yards, and path length of 11.48 miles touched down several miles southeast of Grafton in Lorain County at 11:30 PM EDT. A barn was destroyed at around 11:31 PM EDT in Grafton Township. The tornado path then became intermittent along the Lorain and Medina County line where damage consistent of an EF-0 was found. The tornado finally continued southeast into the city of Medina where both EF-0 and EF-1 damage was found. Extensive damage to trees and power lines was found in the city of Medina. The tornado lifted just south of the city of Medina at 11:40 PM EDT.
East Sparta Tornado, Stark County Ohio EF-0
Intermittent path starting 2 miles west of Massillon around 12:11 am and continuing southeast toward Kamary Ave where a barn was damaged. The tornado touched down again NW of Sparta and continued south-southeast to the the Stark County line near OH-800 at 12:30 am. Uprooted or damaged trees were observed along the intermittent path. Some of the trees did fall onto homes. A few homes had minor to moderate roof damage. A roof was also lifted off a barn with some of the walls collapsing.
Thanks to the Stark County Emergency Management for their assistance with this survey.
Barberton/Green Tornado, Summit County Ohio EF-1
An EF-1 tornado with estimated maximum winds of 90 mph, a maximum width of 100 yards, and a path length of 10.1 miles touched down in the town of Barberton in Summit County at 11:52 PM EDT. There was extensive damage to trees and power lines as well as numerous trees uprooted and blown down along the path. Some trees were snapped. Several trees fell on to homes, outbuildings, and cars. The tornado path then became intermittent between Barberton and Green as it tracked southeastward. The tornado finally lifted west of the Akron-Canton Regional Airport at 12:03 AM EDT on 04/08/2020.
Radar Loop
Pictures of Storm Damage From Grafton/Medina Tornado
Pictures of Storm Damage From Barberton/Green Tornado
LSR Map
Summary of Local Storm Reports
Here is a summary of the Local Storm Reports. For an interactive map, click http://nwschat.weather.gov/lsr/#CLE/202004080210/202004080430/0100
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE CLEVELAND OH
747 AM EDT THU APR 9 2020
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1112 PM MARINE TSTM WIND 3 NNW ERIE 42.17N 80.10W
04/07/2020 M38 MPH ERIE PA C-MAN STATION
38 MPH AT ERIE EREP1.
1212 AM TSTM WND DMG DALTON 40.80N 81.70W
04/08/2020 WAYNE OH PUBLIC
SEVERAL TREES DOWN, GARAGE DAMAGED.
1154 PM TSTM WND DMG 2 WNW CLINTON 40.94N 81.66W
04/07/2020 WAYNE OH PUBLIC
AREAS OF ROOF DAMAGE AND LOTS OF TREES
DOWN/UPROOTED IN DIFFERENT DIRECTIONS.
1202 AM TSTM WND DMG 1 E GREEN 40.95N 81.47W
04/08/2020 SUMMIT OH PUBLIC
SEVERAL TREES DOWN.
1159 PM TSTM WND DMG 1 SSE PORTAGE LAKES 40.98N 81.53W
04/07/2020 SUMMIT OH PUBLIC
SEVERAL TREES TOPPLED ONTO HOUSES/CARS.
1152 PM TORNADO 1 N BARBERTON 41.03N 81.60W
04/07/2020 SUMMIT OH NWS STORM SURVEY
THE NWS STORM SURVEY TEAM FOUND AN EF-1
TORNADO TOUCHED DOWN NEAR BARBERTON AND
TRACKED SOUTHEAST TOWARDS GREEN. THE MAX
ESTIMATED WINDS WERE UP TO 90 MPH WITH A
PATH LENGTH OF ABOUT 8 MILES AND WIDTH OF
100 YARDS. THE SURVEY TEAM IS STILL
CONDUCTING THIS SURVEY AND ADDITIONAL
DETAILS WILL BE ADDED TO THE PNS FOR THIS
TORNADO THIS EVENING.
1146 PM TSTM WND DMG 2 ESE PIGEON CREEK 41.10N 81.64W
04/07/2020 SUMMIT OH PUBLIC
SEVERAL TREES DOWN IN COPLEY.
1222 AM TORNADO 1 WNW EAST SPARTA 40.67N 81.37W
04/08/2020 STARK OH EMERGENCY MNGR
THIS IS THE INITIAL TOUCHDOWN OF AN
INTERMITTENT TORNADO THAT BEGAN JUST
NORTHWEST OF EAST SPARTA AND TRACKED
SOUTHEAST OF THE STARK/TUSCARAWAS COUNTY
LINE. DAMAGE INDICATIVE OF AN EF-0 TORNADO
HAS BEEN FOUND.
1220 AM TSTM WND DMG EAST SPARTA 40.67N 81.36W
04/08/2020 STARK OH PUBLIC
ROOF RIPPED OFF, GARAGE BLOWN OFF
FOUNDATION.
1215 AM TSTM WND DMG NAVARRE 40.72N 81.52W
04/08/2020 STARK OH PUBLIC
SEVERAL DOWNED/UPROOTED PINE TREES.
1215 AM TSTM WND DMG 1 SE HILLS AND DALES 40.82N 81.44W
04/08/2020 STARK OH PUBLIC
SEVERAL TREES DOWN/UPROOTED.
1214 AM TSTM WND DMG 1 WNW MASSILLON 40.79N 81.54W
04/08/2020 STARK OH NEWSPAPER
SEVERAL ROADWAYS CLOSED DUE TO DOWNED
TREES/POWER LINES. DAMAGE TO SIDINGS AND
AWNINGS ESPECIALLY ON THE WEST SIDE OF
MASSILLON.
1208 AM HAIL 1 W CANAL FULTON 40.89N 81.60W
04/08/2020 M1.00 INCH STARK OH PUBLIC
QUARTER SIZE HAIL VIA PICTURE.
1200 AM TSTM WND DMG 2 SSE CLINTON 40.91N 81.62W
04/08/2020 STARK OH PUBLIC
PRESS BOX AT FOOTBALL STADIUM TOPPLED AND
DESTROYED VIA TWITTER.
1048 PM MARINE TSTM WIND 1 NNW MARBLEHEAD 41.54N 82.73W
04/07/2020 M44 MPH OTTAWA OH C-MAN STATION
44 MPH AT MARBLEHEAD MRHO1.
1148 PM TSTM WND DMG 1 SW WADSWORTH 41.02N 81.75W
04/07/2020 MEDINA OH PUBLIC
SEVERAL TREES DOWN.
1141 PM TSTM WND DMG 1 SE MEDINA 41.12N 81.85W
04/07/2020 MEDINA OH PUBLIC
MULTIPLE TOPS OF TREES RIPPED OFF AND BLOWN
100 FEET AT THE INTERSECTION OF 57 AND
SMOKERISE.
1135 PM TSTM WND DMG 5 NW MEDINA 41.19N 81.93W
04/07/2020 MEDINA OH PUBLIC
PARTS OF ROOF/SIDING RIPPED OFF
HOUSE/GARAGE.
1128 PM TSTM WND DMG 7 SE GRAFTON 41.21N 81.95W
04/07/2020 MEDINA OH EMERGENCY MNGR
STRAIGHT PATH OF TREES DOWN. MULTIPLE TREE
TOPS CUT OFF.
1228 AM TSTM WND DMG 2 S NEW MIDDLETOWN 40.93N 80.57W
04/08/2020 MAHONING OH PUBLIC
TREE DOWN ON SHED.
1215 AM TSTM WND DMG 6 ENE BELOIT 40.96N 80.90W
04/08/2020 MAHONING OH PUBLIC
SEVERAL TREES UPROOTED.
1212 AM TSTM WND DMG 5 W CANFIELD 41.02N 80.86W
04/08/2020 MAHONING OH EMERGENCY MNGR
MULTIPLE STRUCTURES DAMAGED AND A COUPLE OF
WAREHOUSES HEAVILY DAMAGED.
1130 PM TORNADO 3 SSE GRAFTON 41.24N 82.01W
04/07/2020 LORAIN OH NWS STORM SURVEY
THIS IS THE INITIAL TOUCHDOWN OF A TORNADO.
DAMAGE INDICATIVE OF AN EF-1 TORNADO HAS
BEEN FOUND SO FAR. A NWS STORM SURVEY
CONTINUES.
1123 PM TSTM WND DMG 3 E LAGRANGE 41.24N 82.06W
04/07/2020 LORAIN OH BROADCAST MEDIA
BARN DESTROYED IN GRAFTON.
1115 PM TSTM WND DMG 1 SSE ELYRIA 41.37N 82.10W
04/07/2020 LORAIN OH PUBLIC
TREE DOWN ON HOME.
1118 PM MARINE TSTM WIND 2 WSW BRATENAHL 41.54N 81.64W
04/07/2020 M38 MPH CUYAHOGA OH C-MAN STATION
1120 PM MARINE TSTM WIND GENEVA-ON-THE-LAKE 41.86N 80.95W
04/07/2020 E49 MPH ASHTABULA OH C-MAN STATION
49 MPH AT GENEVA ON THE LAKE GELO1.
1124 PM MARINE TSTM WIND 1 NNW FAIRPORT HARBOR 41.76N 81.28W
04/07/2020 M48 MPH LEZ147 OH C-MAN STATION
48 MPH AT FAIRPORT HARBOR FAIO1.
1010 PM MARINE TSTM WIND 2 N LORAIN 41.48N 82.18W
04/07/2020 E40 MPH LEZ145 OH C-MAN STATION
40 MPH AT LORAIN HARBOR LORO1.
1110 PM MARINE TSTM WIND 1 ENE HURON 41.40N 82.55W
04/07/2020 E46 MPH LEZ144 OH C-MAN STATION
46 MPH HURON HARBOR LIGHT HHLO1.
1039 PM HAIL CAMBRIDGE SPRINGS 41.80N 80.06W
04/07/2020 M1.00 INCH CRAWFORD PA PUBLIC
REPORT VIA SOCIAL MEDIA.
1155 PM TSTM WND DMG 2 SE DOYLESTOWN 40.95N 81.67W
04/07/2020 WAYNE OH TRAINED SPOTTER
TWO LARGE PINE TREES DOWN. ONE ADDITIONAL
PINE TREE SNAPPED 5 FEET FROM BASE. ONE
POWER POLE SNAPPED. HAM RADIO TOWER BENT
OVER.
1214 AM HAIL 2 NE MCDONALD 41.19N 80.71W
04/08/2020 E1.00 INCH TRUMBULL OH PUBLIC
LASTED 8 MINUTES.
1151 PM HAIL 1 WNW WARREN 41.25N 80.84W
04/07/2020 M1.00 INCH TRUMBULL OH PUBLIC
REPORT VIA SOCIAL MEDIA.
1209 AM TSTM WND GST 2 SSW GREEN 40.92N 81.45W
04/08/2020 M68 MPH SUMMIT OH ASOS
ASOS STATION KCAK AKRON-CANTON REGIONAL
ARPT.
1155 PM TSTM WND DMG 1 NNE BARBERTON 41.03N 81.60W
04/07/2020 SUMMIT OH TRAINED SPOTTER
PINE TREES FELL ONTO CINDER BLOCK GARAGE.
GARAGE DESTROYED.
1230 AM HAIL LOUISVILLE 40.84N 81.26W
04/08/2020 M1.00 INCH STARK OH TRAINED SPOTTER
NEAR STATE ROUTE 44 AND STATE ROUTE 153 IN
LOUISVILLE. 60 MPH WINDS ALSO ESTIMATED.
1225 AM HAIL 4 S CANTON 40.75N 81.37W
04/08/2020 M1.00 INCH STARK OH TRAINED SPOTTER
1225 AM TSTM WND GST 4 S CANTON 40.75N 81.37W
04/08/2020 E60 MPH STARK OH PUBLIC
1220 AM TSTM WND GST CANTON 40.81N 81.37W
04/08/2020 M60 MPH STARK OH TRAINED SPOTTER
12TH AND WOODLAND.
1220 AM HAIL CANTON 40.81N 81.37W
04/08/2020 M1.00 INCH STARK OH TRAINED SPOTTER
12TH AND WOODLAND.
1217 AM HAIL 1 N MASSILLON 40.80N 81.51W
04/08/2020 E1.00 INCH STARK OH PUBLIC
REPORT FROM MPING: QUARTER (1.00 IN.).
1155 PM TSTM WND GST KENT 41.15N 81.36W
04/07/2020 M58 MPH PORTAGE OH AMATEUR RADIO
58 MPH WIND GUST MEASURED IN KENT.
1145 PM TSTM WND DMG MANTUA 41.28N 81.22W
04/07/2020 PORTAGE OH AMATEUR RADIO
CORRECTS PREVIOUS TSTM WND DMG REPORT FROM
MANTUA. VERY LARGE TREE FELL THROUGH A HOUSE
NEAR MANTUA.
1135 PM HAIL 4 W BRUNSWICK 41.24N 81.89W
04/07/2020 E1.50 INCH MEDINA OH PUBLIC
REPORT FROM MPING: PING PONG BALL (1.50
IN.).
1135 PM TSTM WND DMG 1 WNW MEDINA 41.14N 81.88W
04/07/2020 MEDINA OH PUBLIC
SEVERAL REPORTS OF TREES DOWN ACROSS THE
MEDINA AREA, INCLUDING SEVERAL ONTO
STRUCTURES AND POWER LINES.
1130 PM TSTM WND GST 6 W BRUNSWICK 41.24N 81.93W
04/07/2020 M64 MPH MEDINA OH PUBLIC
1117 PM HAIL 2 N LORAIN 41.46N 82.19W
04/07/2020 E1.00 INCH LORAIN OH PUBLIC
REPORT FROM MPING: QUARTER (1.00 IN.).
1116 PM HAIL 1 NW AVON 41.46N 82.04W
04/07/2020 E1.00 INCH LORAIN OH PUBLIC
REPORT FROM MPING: QUARTER (1.00 IN.).
1115 PM HAIL 1 ESE AVON 41.44N 82.00W
04/07/2020 M1.25 INCH LORAIN OH TRAINED SPOTTER
NEAR JAYCOX AND SCHWARTZ.
1130 PM HAIL 2 ESE SOUTH RUSSELL 41.41N 81.29W
04/07/2020 E1.25 INCH GEAUGA OH TRAINED SPOTTER
FROM COCORAHS OBSERVER.
1112 PM HAIL 1 ENE NEWBURGH HEIGHTS 41.46N 81.64W
04/07/2020 E2.00 INCH CUYAHOGA OH PUBLIC
1.5 TO 2 INCH HAIL IN SLAVIC VILLAGE IN
CLEVELAND... NEAR FLEET AVE AND E 65TH.
1059 PM HAIL 2 E BROOKLYN 41.44N 81.71W
04/07/2020 E1.00 INCH CUYAHOGA OH BROADCAST MEDIA
NICKEL TO QUARTER SIZE HAIL REPORTED IN OLD
BROOKLYN.
1110 PM TSTM WND GST 3 NNW AMHERST 41.44N 82.24W
04/07/2020 E70 MPH LORAIN OH EMERGENCY MNGR
EMA DIRECTOR ESTIMATED 70 MPH WINDS WITH
GUST FRONT NEAR BEAVER PARK MARINA.
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