Extreme HeatRisk impacts will expand from the Midwest into the Mid-Atlantic and Northeast today. This level of HeatRisk is known for being rare and/or long duration with little to no overnight relief, and affects anyone without effective cooling and/or adequate hydration. Severe weather potential continues from the Great Lakes to the Central Plains today. Heavy rainfall for Southwest on Tuesday. Read More >
Overview
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Scattered severe thunderstorms moved across much of central and east-central WI during the afternoon and evening hours on August 7, 2019. Sporadic tree and power line damage was reported. WPS reported over 14,000 power outages at the peak of the event. An EF0 tornado occurred in the city of Green Bay. Straight-line winds over 70 mph were measured in Oshkosh. In addition, large hail occurred with some of the storms. The information below is preliminary and will be refined over the next week. Please see the tabs below for more information.
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Tornado:
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Green Bay (Preliminary findings)
Track Map
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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 |
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Wind and Flooding Reports:
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| Storm reports on August 7 |
Radar:
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| Radar Reflectivity from 5:00 PM to 6:15 PM August 7, 2019 |
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Storm Relative Radar Reflectivity from 5:00 PM to 6:15 PM August 7, 2019 |
Preliminary Storm Reports
Sign and tree damage
Carport damage
Power pole damage
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE GREEN BAY WI
941 PM CDT WED AUG 7 2019
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1238 PM HAIL RHINELANDER 45.63N 89.41W
08/07/2019 M0.88 INCH ONEIDA WI BROADCAST MEDIA
0100 PM HAIL 4 E CRANDON 45.56N 88.82W
08/07/2019 M0.75 INCH FOREST WI PUBLIC
0119 PM TSTM WND DMG 2 S LAONA 45.53N 88.68W
08/07/2019 FOREST WI LAW ENFORCEMENT
2 TREES DOWN 2 MILES SOUTH OF LAONA. 1 TREE DOWN 1 MILE
NORTH OF LAONA ON DIRT ROAD ALSO.
0212 PM HAIL 3 NE PICKEREL 45.39N 88.87W
08/07/2019 E0.25 INCH FOREST WI PUBLIC
0242 PM HAIL 13 W CRIVITZ 45.23N 88.28W
08/07/2019 E1.00 INCH MARINETTE WI PUBLIC
REPORT RECEIVED VIA TWITTER.
0332 PM HAIL 6 NW POUND 45.15N 88.12W
08/07/2019 E1.50 INCH MARINETTE WI PUBLIC
SLIGHTLY SMALLER THAN GOLF BALL SIZE HAIL REPORTED BY
PUBLIC ON COUNTY HWY P
0338 PM TSTM WND DMG COLEMAN 45.06N 88.03W
08/07/2019 MARINETTE WI FIRE DEPT/RESCUE
POWER POLE DOWN IN COLEMAN. REPORT FROM COLEMAN FIRE
DEPARTMENT VIA SCANNER. TIME ESTIMATED BY RADAR.
0340 PM HAIL COLEMAN 45.06N 88.03W
08/07/2019 E1.75 INCH MARINETTE WI PUBLIC
ESTIMATED FROM PICTURE ON SOCIAL MEDIA
0340 PM HAIL COLEMAN 45.06N 88.03W
08/07/2019 E0.88 INCH MARINETTE WI LAW ENFORCEMENT
0406 PM HAIL OCONTO 44.88N 87.88W
08/07/2019 M1.50 INCH OCONTO WI PUBLIC
UPDATE OF PREVIOUS REPORT - OBSERVER MEASURED HAIL AND
FOUND SOME AS LARGE AS 1.5 INCHES
0406 PM HAIL OCONTO 44.88N 87.88W
08/07/2019 E1.00 INCH OCONTO WI PUBLIC
HAIL UP TO AN INCH IN DIAMETER IN OCONTO.
0414 PM HAIL HOLLISTER 45.25N 88.80W
08/07/2019 E0.25 INCH LANGLADE WI PUBLIC
0421 PM TSTM WND DMG LITTLE STURGEON 44.84N 87.57W
08/07/2019 DOOR WI LAW ENFORCEMENT
TREES DOWN. TIME ESTIMATED BY RADAR.
0435 PM TSTM WND DMG MAPLEWOOD 44.75N 87.48W
08/07/2019 DOOR WI LAW ENFORCEMENT
1 TREE DOWN. TIME ESTIMATED BY RADAR.
0435 PM HAIL IOLA 44.50N 89.11W
08/07/2019 M0.25 INCH WAUPACA WI PUBLIC
0435 PM TSTM WND DMG BRUSSELS 44.73N 87.63W
08/07/2019 DOOR WI LAW ENFORCEMENT
TREES DOWN. TIME ESTIMATED BY RADAR.
0442 PM TSTM WND DMG 4 E IOLA 44.50N 89.03W
08/07/2019 WAUPACA WI TRAINED SPOTTER
ESTIMATED 45 TO 55 MPH GUST. 4 TO 5 INCH DIAMETER
BRANCHES DOWN AND 2 TREES UPROOTED.
0442 PM HAIL GREEN BAY 44.51N 88.00W
08/07/2019 E0.50 INCH BROWN WI PUBLIC
DIME SIZE HAIL AT INTERSECTION OF EAST MASON STREET AND
ALPINE ROAD.
0459 PM TSTM WND DMG BEAR CREEK 44.53N 88.71W
08/07/2019 OUTAGAMIE WI LAW ENFORCEMENT
COUPLE TREES DOWN IN THE TOWNSHIP OF DEER CREEK, FAR
NORTHWEST OUTAGAMIE COUNTY.
0512 PM TSTM WND DMG NAVARINO 44.61N 88.48W
08/07/2019 SHAWANO WI LAW ENFORCEMENT
NUMEROUS TREES DOWN, SOME ON POWER LINES, OVER THE SOUTH
CENTRAL AND SOUTHEAST PART OF SHAWANO COUNTY.
0550 PM TSTM WND DMG 2 SE GREEN BAY 44.49N 87.98W
08/07/2019 BROWN WI 911 CALL CENTER
ROOF OFF HARDWARE STORE AND TREES SNAPPED IN A 2-4 BLOCK
RADIUS ON SOUTHEAST SIDE OF GREEN BAY.
0550 PM HAIL 2 ENE GREEN BAY 44.52N 87.96W
08/07/2019 E0.75 INCH BROWN WI PUBLIC
0554 PM HAIL GREEN BAY 44.51N 88.00W
08/07/2019 E0.50 INCH BROWN WI PUBLIC
DIME SIZE HAIL AT INTERSECTION OF EAST MASON STREET AND
ALPINE DRIVE.
0555 PM TSTM WND DMG 1 N BELLEVUE 44.44N 87.91W
08/07/2019 BROWN WI LAW ENFORCEMENT
WIRES DOWN BELLEVUE AND ALLOUEZ AREAS
0601 PM HAIL MOSINEE 44.78N 89.69W
08/07/2019 E0.25 INCH MARATHON WI TRAINED SPOTTER
BRIEF GUSTY WINDS AS WELL. NO ESTIMATE OF SPEED.
0605 PM FLOOD LUXEMBURG 44.54N 87.69W
08/07/2019 KEWAUNEE WI LAW ENFORCEMENT
FLOODING REPORTED FROM LUXEMBURG TO ALGOMA. NO OTHER
DETAILS KNOWN AT THIS TIME. TIME ESTIMATED.
0605 PM TSTM WND DMG 1 W LUXEMBURG 44.54N 87.71W
08/07/2019 KEWAUNEE WI LAW ENFORCEMENT
COUPLE SMALL TREES AND SOME BRANCHES DOWN AT HWY 54 AND
H. TIME ESTIMATED BY RADAR.
0620 PM TSTM WND GST MARSHFIELD 44.66N 90.16W
08/07/2019 M61.00 MPH WOOD WI ASOS
0655 PM FUNNEL CLOUD PLOVER 44.45N 89.53W
08/07/2019 PORTAGE WI CO-OP OBSERVER
2 FUNNEL CLOUDS AFTER SHELF CLOUD WENT THROUGH. PEAK WIND
OF 41 MPH ASSOCIATED WITH THE SHELF CLOUD.
0657 PM FUNNEL CLOUD 1 W WISCONSIN RAPIDS 44.40N 89.86W
08/07/2019 WOOD WI AMATEUR RADIO
BRIEF FUNNEL CLOUD THEN DISAPPATED
0702 PM HAIL 2 E APPLETON 44.26N 88.36W
08/07/2019 E0.88 INCH OUTAGAMIE WI TRAINED SPOTTER
0705 PM HAIL APPLETON 44.26N 88.40W
08/07/2019 E1.00 INCH OUTAGAMIE WI PUBLIC
FROM SOCIAL MEDIA
0705 PM HAIL HILBERT 44.13N 88.16W
08/07/2019 E1.00 INCH CALUMET WI PUBLIC
FROM SOCIAL MEDIA. TIME ESTIMATED.
0709 PM HAIL 2 E GREEN BAY 44.51N 87.96W
08/07/2019 M1.00 INCH BROWN WI NWS EMPLOYEE
MOST HAIL WAS SMALLER, BY SOME UP TO QUARTER SIZE.
0719 PM FLOOD GREEN BAY 44.51N 88.00W
08/07/2019 BROWN WI NWS EMPLOYEE
2 FEET OF STANDING WATER AT INTERSECTION OF MILITARY AND
SHAWANO IN GREEN BAY
0727 PM HAIL APPLETON 44.26N 88.40W
08/07/2019 E1.00 INCH OUTAGAMIE WI PUBLIC
0743 PM TSTM WND DMG 3 SE REDGRANITE 44.00N 89.05W
08/07/2019 WAUSHARA WI LAW ENFORCEMENT
1 TREE DOWN IN TOWNSHIP OF WARREN
0759 PM TSTM WND GST OSHKOSH 44.01N 88.55W
08/07/2019 M71.00 MPH WINNEBAGO WI ASOS
GUST TO 62 KNOTS ON OSH ASOS
0801 PM TSTM WND DMG OSHKOSH 44.01N 88.55W
08/07/2019 WINNEBAGO WI LAW ENFORCEMENT
COUPLE BRANCHES DOWN ON WIRES AND A TREE DOWN AROUND THE
OSHKOSH VICINITY
0821 PM TSTM WND DMG CHILTON 44.03N 88.16W
08/07/2019 CALUMET WI TRAINED SPOTTER
LARGE TREE BRANCHES DOWN ON WATER STREET IN CHILTON.
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