An upper trough and frontal boundary will focus showers and thunderstorms across portions of the Plains through early Monday; A few severe thunderstorms along with heavy rainfall are expected. Meanwhile, low pressure off the Southeast Coast will bring inclement weather across the mid-Atlantic coast through Monday. This system is forecast to meander off the coast then track inland early this week. Read More >
Overview
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Severe thunderstorms moved across northern Wisconsin the previous evening. Just over 12 hours later, a line of severe thunderstorms moved across much of central and east-central WI during the late morning and early afternoon hours on July 20, 2019. Widespread tree and power line damage was reported. The worst damage occurred from Wood/Portage counties eastward into the Fox Valley and lakeshore. Trees were uprooted or snapped and several structures were damaged as a result of straight-line winds and six weak, fast-moving tornadoes. Please see the tabs below for more information.
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Tornadoes:
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Waupaca
Track Map
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Weyauwega
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New London
Track Map
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Hortonville
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Greenville
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E Kaukauna
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 July 20 |
Radar:
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| Radar Reflectivity (15 minute intervals) from 8:00 AM to 1:48 PM July 20, 2019 |
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Radar Reflectivity (2-4 minute intervals including SAILS scans) from 10:00 AM to 12:14 PM July 20, 2019 |
Preliminary Storm Reports
PRELIMINARY LOCAL STORM REPORT...SUMMARY NATIONAL WEATHER SERVICE GREEN BAY WI 346 PM CDT SAT JUL 20 2019 ..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 1011 AM TSTM WND GST MARSHFIELD 44.66N 90.16W 07/20/2019 M64.00 MPH WOOD WI ASOS 1011 AM TSTM WND GST MARSHFIELD 44.66N 90.16W 07/20/2019 M58.00 MPH WOOD WI ASOS 1025 AM TSTM WND DMG WISCONSIN RAPIDS 44.40N 89.84W 07/20/2019 WOOD WI TRAINED SPOTTER BRANCHES DOWN BLOCKING THE ROAD ON A RESIDENTIAL STREET. BRANCHES AS BIG AS 5 INCHES IN DIAMETER AND 10 FEET LONG. MAY BE LARGER DOWN THE ROAD. 1026 AM TSTM WND DMG WISCONSIN RAPIDS 44.40N 89.84W 07/20/2019 WOOD WI TRAINED SPOTTER TREES DOWN IN WISCONSIN RAPIDS. ONE AT CANAL STREET ANOTHER AT FISHER STREET. 1026 AM TSTM WND DMG BABCOCK 44.29N 90.13W 07/20/2019 WOOD WI TRAINED SPOTTER SPORADIC DOWN TREES. 1026 AM TSTM WND DMG STEVENS POINT 44.51N 89.56W 07/20/2019 PORTAGE WI TRAINED SPOTTER MANY TREES DOWN AT AN APARTMENT COMPLEX. ESTIMATED ABOUT 1 FOOT IN DIAMETER. 1029 AM TSTM WND GST PLOVER 44.45N 89.53W 07/20/2019 M86.30 MPH PORTAGE WI CO-OP OBSERVER MEASURED GUSTS AT COOP STATION PLOW3. ALSO REPORTED ON DAMAGE TO MENARDS IN TOWN AND DOORS BLOWN OUT OF THE STORE. 1030 AM TSTM WND DMG ALMOND 44.26N 89.40W 07/20/2019 PORTAGE WI CO-OP OBSERVER NUMEROUS TREE LIMBS DOWN AND ONE TREE DOWN. DIAMETER LARGER THAN ONE FOOT. 1032 AM TSTM WND DMG PORT EDWARDS 44.33N 89.84W 07/20/2019 WOOD WI TRAINED SPOTTER TREES AND POWER LINES DOWN ON HIGHWAY 54 1036 AM TSTM WND DMG WISCONSIN RAPIDS 44.40N 89.84W 07/20/2019 WOOD WI STORM CHASER LOTS OF POWER LINES DOWN ON FISHER ROAD 1038 AM TSTM WND DMG PLAINFIELD 44.21N 89.48W 07/20/2019 WAUSHARA WI LAW ENFORCEMENT TREES DOWN. TIME ESTIMATED. 1038 AM TSTM WND DMG STEVENS POINT 44.51N 89.56W 07/20/2019 PORTAGE WI TRAINED SPOTTER TREES DOWN. ALL TREES APPEAR TO HAVE FALLEN IN THE SAME DIRECTION. DELAYED REPORT. TIME ESTIMATED. 1040 AM TSTM WND DMG PLOVER 44.45N 89.53W 07/20/2019 PORTAGE WI TRAINED SPOTTER UPROOTED TREES ADN TREE DAMAGE IN TRAILER PARK ON HAYES AVENUE. SIDING IS OFF SOME TRAILERS. 1042 AM TSTM WND GST 6 N STEVENS POINT 44.60N 89.56W 07/20/2019 M56.00 MPH PORTAGE WI TRAINED SPOTTER VEHICLE PULLED OVER ON INTERSTATE 39 NORTH OF STEVENS POINT. ALSO TORRENTIAL RAIN AND WIND ROCKING VEHICLE. 1043 AM TSTM WND DMG 1 SSW DANCY 44.67N 89.69W 07/20/2019 PORTAGE WI TRAINED SPOTTER LAKE DUBAY COUNTY PARK. NUMEROUS TREES DOWN. ESTIMATED WINDS OF 70 MPH. 1045 AM TSTM WND DMG AMHERST 44.45N 89.28W 07/20/2019 PORTAGE WI TRAINED SPOTTER NEAR AMHERST. TREES DOWN ABOUT 5 INCHES IN DIAMETER AND BLOWING DEBRIS. 1046 AM TSTM WND DMG ARNOTT 44.45N 89.43W 07/20/2019 PORTAGE WI TRAINED SPOTTER TREES DOWN. ESTIMATED WINDS OF 90 MPH. 1047 AM TSTM WND DMG 8 N STEVENS POINT 44.63N 89.56W 07/20/2019 PORTAGE WI TRAINED SPOTTER LARGE TREE DOWN ON INTERSTATE 39 SOUTHBOUND LANE ABOUT 8 MILES NORTH OF STEVENS POINT. 1049 AM TSTM WND DMG WILD ROSE 44.18N 89.25W 07/20/2019 WAUSHARA WI LAW ENFORCEMENT TREES DOWN. TIME ESTIMATED. 1057 AM TSTM WND DMG ARNOTT 44.45N 89.43W 07/20/2019 PORTAGE WI TRAINED SPOTTER UPDATE TO PREVIOUS REPORT. ROOF DAMAGE TO SOME BUILDINGS. NUMEROUS TREES DOWN. 1100 AM TSTM WND DMG SCANDINAVIA 44.46N 89.13W 07/20/2019 WAUPACA WI TRAINED SPOTTER TREES DOWN ON HOMES, ROADS, WIRES ACROSS THE TOWN. TIME ESTIMATED 1100 AM TSTM WND DMG 3 NNW WAUPACA 44.40N 89.10W 07/20/2019 WAUPACA WI PUBLIC DOZENS OF TREES DOWN FROM THUNDERSTORM WINDS ESTIMATED 75 TO 80 MPH. 1101 AM TSTM WND GST WAUSAU 44.96N 89.63W 07/20/2019 M74.00 MPH MARATHON WI ASOS 1101 AM TSTM WND DMG AMHERST 44.45N 89.28W 07/20/2019 PORTAGE WI TRAINED SPOTTER DEBRIS FLYING ACROSS ROAD. ESTIMATED 80 MPH WINDS. 1103 AM FUNNEL CLOUD WEYAUWEGA 44.31N 88.93W 07/20/2019 WAUPACA WI LAW ENFORCEMENT 1105 AM TSTM WND DMG IOLA 44.50N 89.11W 07/20/2019 WAUPACA WI TRAINED SPOTTER LARGE TREE DOWN, ABOUT ONE FOOT IN DIAMETER. 1106 AM TSTM WND DMG WITTENBERG 44.81N 89.15W 07/20/2019 SHAWANO WI LAW ENFORCEMENT TREES DOWN. TIME ESTIMATED. 1110 AM TSTM WND DMG NEW LONDON 44.38N 88.75W 07/20/2019 WAUPACA WI TRAINED SPOTTER TIME ESTIMATED BY RADAR. NUMEROUS TREES DOWN WITHIN THE TOWN. MAJOR DAMAGE REPORTED. MANY STREETS COVERED WITH DOWNED TREES AND LIMBS. POWER IS OUT. 1114 AM FUNNEL CLOUD DALE 44.26N 88.68W 07/20/2019 OUTAGAMIE WI LAW ENFORCEMENT 1115 AM TSTM WND DMG KNOWLTON 44.71N 89.68W 07/20/2019 MARATHON WI TRAINED SPOTTER TREES DOWN ON HIGHWAY 34 AND OTHER AREAS. 1117 AM FUNNEL CLOUD GREENVILLE 44.29N 88.53W 07/20/2019 OUTAGAMIE WI LAW ENFORCEMENT 1120 AM TSTM WND DMG NE APPLETON 44.26N 88.40W 07/20/2019 OUTAGAMIE WI TRAINED SPOTTER A COUPLE OF ROAD SIGNS DOWN OVER 441 SOUTHBOUND. POWER POLE BENT OVER NEAR 41 AND BALLARD. A COUPLE OTHER ROAD SIGNS BLOWN OVER AND TREE DAMAGE AS WELL. 1122 AM TSTM WND GST APPLETON 44.26N 88.40W 07/20/2019 M60.00 MPH OUTAGAMIE WI AWOS 1123 AM TSTM WND DMG NEENAH 44.18N 88.44W 07/20/2019 WINNEBAGO WI EMERGENCY MNGR TREES DOWN. DELAYED REPORT. TIME ESTIMATED. 1123 AM TSTM WND DMG APPLETON 44.26N 88.40W 07/20/2019 OUTAGAMIE WI TRAINED SPOTTER 2 TREES UPROOTED AND HOUSE DAMAGE. 1125 AM TSTM WND GST APPLETON 44.26N 88.40W 07/20/2019 M67.00 MPH OUTAGAMIE WI TRAINED SPOTTER MEASURED GUST AT PERKINS AND COLLEGE AVENUE. 1125 AM FUNNEL CLOUD APPLETON 44.26N 88.40W 07/20/2019 OUTAGAMIE WI LAW ENFORCEMENT 1128 AM TSTM WND DMG APPLETON 44.26N 88.40W 07/20/2019 OUTAGAMIE WI PUBLIC TREE LIMBS DOWN 1131 AM TSTM WND GST SHERWOOD 44.17N 88.27W 07/20/2019 M59.00 MPH CALUMET WI TRAINED SPOTTER 1132 AM TSTM WND DMG SHAWANO 44.78N 88.59W 07/20/2019 SHAWANO WI LAW ENFORCEMENT WIDESPREAD TREES DOWN ACROSS THE COUNTY. TIME ESTIMATED. 1132 AM TSTM WND DMG IOLA 44.50N 89.11W 07/20/2019 WAUPACA WI TRAINED SPOTTER TREES AND POWER LINES DOWN ALL OVER THE PLACE. STREET FLOODING 1137 AM TSTM WND DMG 4 NE KAUKAUNA 44.32N 88.21W 07/20/2019 OUTAGAMIE WI TRAINED SPOTTER MULTIPLE TREES DOWN. DELAYED REPORT. TIME ESTIMATED BY RADAR. 1143 AM TSTM WND DMG ANGELICA 44.66N 88.30W 07/20/2019 SHAWANO WI LAW ENFORCEMENT TREES DOWN. TIME ESTIMATED. 1144 AM TSTM WND GST WRIGHTSTOWN 44.33N 88.16W 07/20/2019 M67.00 MPH BROWN WI TRAINED SPOTTER MULTIPLE LARGE TREES DOWN. LOCATED NEAR THE MIDDLE OF THE CITY. 1145 AM TSTM WND DMG FREEDOM 44.38N 88.28W 07/20/2019 OUTAGAMIE WI PUBLIC LARGE TREE BRANCHES DOWN ON GARVEY AVE. TIME ESTIMATED BY RADAR. 1149 AM FLASH FLOOD CLINTONVILLE 44.61N 88.75W 07/20/2019 WAUPACA WI TRAINED SPOTTER STREET FLOODING. PARKING LOTS UNDER WATER 1159 AM TSTM WND GST GREEN BAY 44.51N 88.00W 07/20/2019 M59.00 MPH BROWN WI ASOS 1200 PM TSTM WND DMG W FRANCIS CREEK 44.20N 87.71W 07/20/2019 MANITOWOC WI TRAINED SPOTTER DOWNED TREES ON COUNTY HIGHWAY Q BETWEEN LORENZ AND BEAGLE STREETS. ONE TREE ABOUT 13 INCHES IN DIAMETER DOWN ON A POWER LINE. TIME ESTIMATED BY RADAR. 1200 PM TSTM WND DMG PLOVER 44.45N 89.53W 07/20/2019 PORTAGE WI CO-OP OBSERVER DAMAGE TO RETAIL STORE IN PLOVER. GLASS DOORS BLOWN IN, PIPES FELL FROM CEILING. 1201 PM TSTM WND DMG LARRABEE 44.26N 87.71W 07/20/2019 MANITOWOC WI LAW ENFORCEMENT NUMEROUS TREES DOWN ACROSS THE COUNTY. TIME ESTIMATED. 1201 PM TSTM WND DMG DENMARK 44.34N 87.83W 07/20/2019 BROWN WI TRAINED SPOTTER TREES DOWN. DELAYED REPORT. TIME ESTIMATED. 1205 PM TSTM WND DMG GREEN BAY 44.51N 88.00W 07/20/2019 BROWN WI PUBLIC SIX TO EIGHT INCH OAK TREE BRANCH DOWN ON BEECH TREE AND WEST POINT ROAD. REPORT VIA SOCIAL MEDIA. 1205 PM TSTM WND DMG MANITOWOC 44.08N 87.66W 07/20/2019 MANITOWOC WI TRAINED SPOTTER TREES DOWN ON HIGHWAY Q NORTH OF MANITOWOC 1206 PM TSTM WND DMG TWO RIVERS 44.15N 87.56W 07/20/2019 MANITOWOC WI PUBLIC TREE DOWN BLOCKING THE ROAD. TIME ESTIMATED. 1209 PM TSTM WND DMG STANGELVILLE 44.40N 87.68W 07/20/2019 KEWAUNEE WI LAW ENFORCEMENT TREES DOWN. DELAYED REPORT. TIME ESTIMATED. 1209 PM TSTM WND DMG MISHICOT 44.23N 87.63W 07/20/2019 MANITOWOC WI LAW ENFORCEMENT TREE MOVED A HOUSE OFF ITS FOUNDATION. DELAYED REPORT. TIME ESTIMATED. 1212 PM TSTM WND DMG NORMAN 44.36N 87.59W 07/20/2019 KEWAUNEE WI LAW ENFORCEMENT TREES DOWN. DELAYED REPORT. TIME ESTIMATED. 1215 PM TSTM WND DMG WRIGHTSTOWN 44.33N 88.16W 07/20/2019 BROWN WI TRAINED SPOTTER TREES AND WIRES DOWN ALL ACROSS WRIGHTSTOWN. TIME ESTIMATED. 1218 PM TSTM WND DMG 4 SSW KEWAUNEE 44.40N 87.53W 07/20/2019 KEWAUNEE WI LAW ENFORCEMENT TREES DOWN. TIME ESTIMATED. 1221 PM FLASH FLOOD ASHWAUBENON 44.46N 88.08W 07/20/2019 BROWN WI AMATEUR RADIO FLOODING TO HEADLIGHT LEVEL OF FORD F150 AT ALLIED AND CIRCLE. 1224 PM FLASH FLOOD ASHWAUBENON 44.46N 88.08W 07/20/2019 BROWN WI AMATEUR RADIO FLOODING AT THE BOWLING ALLEY. 1231 PM FLASH FLOOD GREEN BAY 44.51N 88.00W 07/20/2019 BROWN WI AMATEUR RADIO 8 TO 10 INCHES OF WATER IN THE UNIVERSITY MARKET AREA ON UNIVERSITY. 1239 PM TSTM WND DMG MAPLEWOOD 44.75N 87.48W 07/20/2019 DOOR WI LAW ENFORCEMENT TREES DOWN ACROSS THE COUNTY. TIME ESTIMATED. 1245 PM FLASH FLOOD STURGEON BAY 44.83N 87.38W 07/20/2019 DOOR WI LAW ENFORCEMENT 14TH AVE CLOSED DUE TO FLOODING 1254 PM MARINE TSTM WIND 1 N KEWAUNEE 44.47N 87.50W 07/20/2019 M39.00 MPH KEWAUNEE WI C-MAN STATION 0106 PM FLOOD STEVENS POINT 44.51N 89.56W 07/20/2019 PORTAGE WI TRAINED SPOTTER STANDING WATER OF ABOUT 6 INCHES IN A FEW PARTS OF THE CITY. INCLUDING OKRAY AVENUE AND RIVER ROAD. 0154 PM MARINE TSTM WIND 1 NE MARINETTE 45.10N 87.59W 07/20/2019 M41.00 MPH MENOMINEE MI C-MAN STATION 0214 PM HEAVY RAIN ANTIGO 45.15N 89.15W 07/20/2019 M3.50 INCH LANGLADE WI TRAINED SPOTTER RAINFALL SINCE LAST EVENING.
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