Picturesque thunderstorms developed during the evening hours of July 9, 2017 causing wind and hail damage, along with with two tornadoes.
June 9th, 2017 dawned with a dissipating batch of thunderstorms that drifted to the southeast across central Minnesota. Sunny and muggy conditions prevailed during the day with thunderstorms developing in two batches. One cluster was in central Minnesota north of the Twin Cities and another just south of the Twin Cities. Most of the Twin Cities was spared severe storms, save some hail the size of quarters reported just south of downtown St. Paul.
Larger hail, the size of hens' eggs, was reported at Onamia in Mille Lacs County. The largest hail reported was grapefruit-size (4 inches) two miles southwest of Winthrop in Sibley County and also near Lafayette in Nicollet County.
Preliminary reports show two tornadoes in Blue Earth County, with one 2 miles NW of Lake Crystal at about 10:25pm and another 2 miles southwest of Judson at 10:35pm. There was wind damage reported with roof damage to a hog barn in Nicollet County and numerous trees and power lines down in the Lafayette area of Nicollet County.
Some beneficial rains fell as well. The heaviest rains fell in a swath from northwest to southeast in south central Minnesota with reports of one to two inches. The highest rainfall total found so far was 4.19 inches in the City of Nicollet in Nicollet County by a Mngage Observer. 3.45 inches was measured by a CoCoRaHS observer 6.5 miles west southwest of Mankato.
National Weather Service Storm Summaries
Below is a list of Local Storm Reports and Public Information Statements gathered by the National Weather Service
PRELIMINARY LOCAL STORM REPORT...SUMMARY NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 820 AM CDT MON JUL 10 2017 ..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 1110 PM TSTM WND DMG 1 NE GOOD THUNDER 44.02N 94.05W 07/09/2017 BLUE EARTH MN LAW ENFORCEMENT LAW ENFORCEMENT REPORTS TREES & POWER LINES DOWN. 1035 PM TORNADO 2 SW JUDSON 44.18N 94.22W 07/09/2017 BLUE EARTH MN LAW ENFORCEMENT LAW ENFORCEMENT REPORTING A TORNADO NEAR THE INTERSECTION OF CR 20 & MN HWY 68. 1030 PM HAIL LAFAYETTE 44.44N 94.39W 07/09/2017 M2.75 INCH NICOLLET MN STORM CHASER 1025 PM TORNADO 2 NW LAKE CRYSTAL 44.12N 94.25W 07/09/2017 BLUE EARTH MN TRAINED SPOTTER MULTIPLE SPOTTER REPORTS OF A TORNADO 2 MILES NW OF LAKE CRYSTAL. 1007 PM HAIL NICOLLET 44.28N 94.19W 07/09/2017 M1.00 INCH NICOLLET MN TRAINED SPOTTER 0953 PM TSTM WND DMG WATERVILLE 44.22N 93.57W 07/09/2017 LE SUEUR MN PUBLIC DAMAGE TO ROOF OF A HOME. PHOTO FROM SOCIAL MEDIA. 0945 PM HAIL 3 N LAKE CRYSTAL 44.15N 94.22W 07/09/2017 M1.00 INCH BLUE EARTH MN LAW ENFORCEMENT 0942 PM TSTM WND DMG 3 NNE COURTLAND 44.31N 94.33W 07/09/2017 NICOLLET MN LAW ENFORCEMENT ROOF OF A HOG BARN BLOWN OFF FROM A POSSIBLE TORNADO. TIME ESTIMATED FROM RADAR. 0938 PM HAIL 5 N COURTLAND 44.35N 94.34W 07/09/2017 E1.50 INCH NICOLLET MN PUBLIC 0934 PM HAIL ST. PAUL 44.95N 93.09W 07/09/2017 M1.00 INCH RAMSEY MN AMATEUR RADIO 0932 PM HAIL 1 N WEST ST. PAUL 44.92N 93.08W 07/09/2017 M1.00 INCH DAKOTA MN TRAINED SPOTTER 0930 PM HAIL 5 N COURTLAND 44.34N 94.34W 07/09/2017 M1.75 INCH NICOLLET MN PUBLIC PICTURE FROM SOCIAL MEDIA. 0930 PM HAIL 3 NE NEW ULM 44.34N 94.43W 07/09/2017 M1.75 INCH NICOLLET MN TRAINED SPOTTER 0925 PM HAIL 3 NNW MENDOTA HEIGHTS 44.93N 93.17W 07/09/2017 M1.00 INCH RAMSEY MN PUBLIC 0923 PM HAIL 1 WNW MONTEVIDEO 44.95N 95.74W 07/09/2017 E1.75 INCH CHIPPEWA MN PUBLIC 0920 PM HAIL 1 NNE LAKEVILLE 44.69N 93.24W 07/09/2017 M1.00 INCH DAKOTA MN PUBLIC 0920 PM HAIL 2 ESE APPLE VALLEY 44.71N 93.17W 07/09/2017 E1.00 INCH DAKOTA MN PUBLIC 0920 PM HAIL 5 ENE BOYD 44.88N 95.81W 07/09/2017 E1.75 INCH YELLOW MEDICINE MN PUBLIC 0920 PM HAIL 1 ENE MONTEVIDEO 44.95N 95.70W 07/09/2017 M1.75 INCH CHIPPEWA MN LAW ENFORCEMENT 0920 PM HAIL 6 N CLARKFIELD 44.87N 95.79W 07/09/2017 M1.75 INCH YELLOW MEDICINE MN TRAINED SPOTTER 0915 PM HAIL FARMINGTON 44.64N 93.14W 07/09/2017 M1.50 INCH DAKOTA MN TRAINED SPOTTER 0915 PM HAIL APPLE VALLEY 44.74N 93.21W 07/09/2017 M1.00 INCH DAKOTA MN PUBLIC 0915 PM HAIL LAFAYETTE 44.44N 94.39W 07/09/2017 M2.75 INCH NICOLLET MN TRAINED SPOTTER 0915 PM TSTM WND DMG LAFAYETTE 44.44N 94.39W 07/09/2017 NICOLLET MN TRAINED SPOTTER MULTIPLE TREES OF 12" TO 18" IN DIAMTER SNAPPED. NUMEROUS POWERLINES DOWN. 0913 PM HAIL WINTHROP 44.54N 94.36W 07/09/2017 M2.50 INCH SIBLEY MN TRAINED SPOTTER 0912 PM HAIL LAKEVILLE 44.68N 93.25W 07/09/2017 M1.00 INCH DAKOTA MN PUBLIC 0912 PM HAIL 3 SSE APPLE VALLEY 44.69N 93.19W 07/09/2017 M1.00 INCH DAKOTA MN TRAINED SPOTTER 0911 PM HAIL 1 SW WATSON 45.00N 95.81W 07/09/2017 M2.00 INCH CHIPPEWA MN TRAINED SPOTTER 0910 PM HAIL 3 N LAFAYETTE 44.49N 94.39W 07/09/2017 M2.75 INCH SIBLEY MN TRAINED SPOTTER 0910 PM TSTM WND DMG 3 N LAFAYETTE 44.49N 94.39W 07/09/2017 SIBLEY MN TRAINED SPOTTER 12" DIAMETER TREE SNAPPED NEAR BASE. 0902 PM HAIL 2 SW WINTHROP 44.53N 94.39W 07/09/2017 M4.00 INCH SIBLEY MN PUBLIC REPORT FROM SOCIAL MEDIA. TIME ESTIMATED FROM RADAR. 0902 PM HAIL 3 NW WATSON 45.04N 95.84W 07/09/2017 M1.75 INCH CHIPPEWA MN TRAINED SPOTTER 0900 PM TSTM WND DMG 2 E PRIOR LAKE 44.71N 93.40W 07/09/2017 SCOTT MN PUBLIC TREES DOWN IN CREDIT RIVER TOWNSHIP. PHOTO FROM SOCIAL MEDIA. TIME ESTIMATED FROM RADAR. 0855 PM HAIL GIBBON 44.53N 94.52W 07/09/2017 M2.50 INCH SIBLEY MN LAW ENFORCEMENT 0850 PM HAIL 1 SE PRIOR LAKE 44.70N 93.42W 07/09/2017 M1.00 INCH SCOTT MN PUBLIC 0850 PM HAIL PRIOR LAKE 44.71N 93.43W 07/09/2017 M1.25 INCH SCOTT MN TRAINED SPOTTER 0850 PM HAIL BENSON 45.31N 95.60W 07/09/2017 E1.75 INCH SWIFT MN LAW ENFORCEMENT 0845 PM HAIL APPLETON 45.20N 96.02W 07/09/2017 M2.00 INCH SWIFT MN PUBLIC 0844 PM HAIL 3 W BROWNTON 44.73N 94.41W 07/09/2017 M1.00 INCH MCLEOD MN STORM CHASER 0835 PM HAIL 1 S BUCKMAN 45.88N 94.09W 07/09/2017 M1.75 INCH MORRISON MN TRAINED SPOTTER 0834 PM HAIL 4 NNE STEWART 44.78N 94.47W 07/09/2017 M1.00 INCH MCLEOD MN STORM CHASER 0821 PM HAIL ONAMIA 46.07N 93.66W 07/09/2017 M2.00 INCH MILLE LACS MN EMERGENCY MNGR 0817 PM HAIL 9 NNW APPLETON 45.32N 96.08W 07/09/2017 M1.75 INCH SWIFT MN STORM CHASER Public Information Statement National Weather Service Twin Cities/Chanhassen MN 1146 AM CDT Mon Jul 10 2017 ...Rainfall Reports... Location Amount Time/Date Provider Skyline 3W 3.45 in 0700 AM 07/10 COCORAHS Rapidan 3.05 in 1045 AM 07/10 GOES Judson 2.93 in 1045 AM 07/10 UCOOP Skyline 1ENE 2.70 in 0445 AM 07/10 COCORAHS Albert Lea 2.63 in 0700 AM 07/10 COCORAHS Beauford 2.48 in 1045 AM 07/10 GOES Skyline 2.45 in 0700 AM 07/10 COCORAHS Waseca 1NNE 2.37 in 0700 AM 07/10 COCORAHS Mapleton 4N 2.33 in 0600 AM 07/10 COCORAHS St. Peter 6WSW 2.13 in 0700 AM 07/10 COCORAHS Wells 2.12 in 0800 AM 07/10 COOP Rapidan 2.11 in 1045 AM 07/10 GOES Mankato 1ESE 2.10 in 0700 AM 07/10 COCORAHS 2 ESE Skyline 2.08 in 0700 AM 07/10 COCORAHS Clarks Grove 1.92 in 0600 AM 07/10 COCORAHS Minnesota Lake 1.92 in 1123 AM 07/10 CWOP North Mankato 1.88 in 0700 AM 07/10 COCORAHS New Ulm 3SE 1.87 in 0600 AM 07/10 COOP New Prague 1.82 in 0610 AM 07/10 COCORAHS Albert Lea 3SE 1.80 in 0800 AM 07/10 COOP Morristown 1.78 in 1123 AM 07/10 CWOP Mankato 4E 1.75 in 0700 AM 07/10 UCOOP Wells 3ESE 1.74 in 1125 AM 07/10 CWOP New Ulm 1.63 in 0500 AM 07/10 COCORAHS Kasota 4WSW 1.63 in 0700 AM 07/10 COCORAHS Glenville 2WSW 1.61 in 0800 AM 07/10 COCORAHS Lonsdale 7SSE 1.55 in 0700 AM 07/10 COCORAHS St. Clair 1.54 in 1045 AM 07/10 HADS Brownton 1.53 in 1130 AM 07/10 GOES Brownton 1.50 in 0800 AM 07/10 COOP Jordan 2NE 1.48 in 0600 AM 07/10 COCORAHS Carver 3S 1.44 in 1049 AM 07/10 RAWS St. Peter 6SW 1.42 in 1045 AM 07/10 GOES Jordan 6E 1.40 in 1121 AM 07/10 CWOP Jordan 1SW 1.34 in 0530 AM 07/10 COOP Morristown 1NE 1.32 in 0700 AM 07/10 COCORAHS Veseli 2E 1.31 in 0733 AM 07/10 COCORAHS Willmar 1.30 in 0720 AM 07/10 COCORAHS Jordan 1.26 in 1045 AM 07/10 GOES Sterling Center 1.23 in 1045 AM 07/10 GOES Faribault 1.18 in 0522 AM 07/10 CWOP Montgomery 3E 1.14 in 0700 AM 07/10 COCORAHS Searles 5SE 1.13 in 1132 AM 07/10 CWOP Milan 5E 1.12 in 1045 AM 07/10 USARMY-COE Clarkfield 4NE 1.10 in 0700 AM 07/10 COCORAHS Elko 1.09 in 1130 AM 07/10 CWOP Madison Lake 1.08 in 0715 AM 07/10 COCORAHS Glencoe 3WSW 1.07 in 0558 AM 07/10 COCORAHS Farmington 2SE 1.06 in 0700 AM 07/10 COCORAHS Red Wing 2S 1.06 in 1130 AM 07/10 CWOP Prior Lake 2WSW 1.03 in 1133 AM 07/10 CWOP Faribault (Straight R) 1.02 in 1115 AM 07/10 UCOOP Montgomery 3ENE 0.99 in 0530 AM 07/10 COCORAHS Farmington 1SE 0.96 in 0700 AM 07/10 COCORAHS Veseli 1W 0.95 in 0500 AM 07/10 COCORAHS Northfield 1NNW 0.92 in 0700 AM 07/10 COCORAHS Red Wing 4W 0.92 in 0700 AM 07/10 COCORAHS St. Peter 0.90 in 1100 AM 07/10 MNDOT Miesville 2WSW 0.90 in 0700 AM 07/10 COCORAHS Wanamingo 3SSE 0.89 in 0700 AM 07/10 COCORAHS Farmington (CWSU) 0.89 in 1100 AM 07/10 UCOOP Hutchinson 1 SSE 0.88 in 0730 AM 07/10 COCORAHS Bricelyn 0.85 in 0700 AM 07/10 COOP Redwood Falls 0.85 in 1030 AM 07/10 GOES Zimmerman 0.84 in 0813 AM 07/10 CWOP Chisago City 4S 0.83 in 1125 AM 07/10 CWOP Mankato AP 0.82 in 0656 AM 07/10 AWOS Willmar 1 ESE 0.82 in 0800 AM 07/10 COCORAHS Osceola AP 0.81 in 0655 AM 07/10 AWOS Santiago 0.80 in 1115 AM 07/10 GOES Montevideo 2SW 0.80 in 1100 AM 07/10 USARMY-COE Benson (Chip R E-Brch) 0.80 in 1045 AM 07/10 GOES Montevideo 1SW 0.79 in 0700 AM 07/10 COOP Bloomer 0.79 in 0800 AM 07/10 COOP Nerstrand 4E 0.79 in 0700 AM 07/10 COCORAHS Northfield 0.78 in 0630 AM 07/10 COCORAHS Lakeville 2WSW 0.78 in 0815 AM 07/10 COCORAHS Zimmerman 0.78 in 0800 AM 07/10 COCORAHS Lakeville 2SSW 0.78 in 0600 AM 07/10 COCORAHS Red Wing 0.77 in 0800 AM 07/10 COOP Vasa 5NNE 0.77 in 0700 AM 07/10 COCORAHS Osceola 1NE 0.77 in 1127 AM 07/10 CWOP Clontarf 0.76 in 1045 AM 07/10 GOES Laq Qui Parle Dam 0.75 in 1100 AM 07/10 GOES Montevideo 0.75 in 0700 AM 07/10 COCORAHS Arlington 0.75 in 1045 AM 07/10 GOES North Branch 1NNW 0.74 in 0600 AM 07/10 COCORAHS Scandia 3NNE 0.74 in 1130 AM 07/10 CWOP Easton 3SSE 0.73 in 1128 AM 07/10 CWOP Lakeville 2SW 0.72 in 0600 AM 07/10 COCORAHS Lucan 0.70 in 0835 AM 07/10 COCORAHS Montevideo 1S 0.70 in 1130 AM 07/10 CWOP Ladysmith 2WNW 0.70 in 0700 AM 07/10 COCORAHS Glencoe 0.70 in 0800 AM 07/10 COCORAHS Onamia 4WNW 0.68 in 0800 AM 07/10 COCORAHS Hutchinson 0.68 in 1045 AM 07/10 UCOOP Hutchinson 1NW 0.67 in 0700 AM 07/10 COCORAHS Stacy 1W 0.67 in 0700 AM 07/10 COCORAHS Henderson 0.66 in 1130 AM 07/10 HADS Hanley Falls 0.66 in 1045 AM 07/10 GOES Winnebago 0.66 in 0800 AM 07/10 COOP Blue Earth 1S 0.66 in 0800 AM 07/10 COOP St. Paul 1WSW 0.65 in 1131 AM 07/10 CWOP Northfield 2NE 0.65 in 0640 AM 07/10 COCORAHS Dennison 0.65 in 0800 AM 07/10 COCORAHS Center City 0.64 in 0700 AM 07/10 COCORAHS New Prague 0.64 in 1130 AM 07/10 CWOP Northfield 2WNW 0.62 in 1104 AM 07/10 CWOP Redwood Falls 0.62 in 0630 AM 07/10 COOP Santiago 3E 0.61 in 1120 AM 07/10 RAWS Vesta 0.61 in 0800 AM 07/10 COOP Winnebago 0.60 in 1045 AM 07/10 GOES Prescott 0.60 in 0700 AM 07/10 COCORAHS Jim Falls 3NW 0.60 in 0630 AM 07/10 COOP Hanley Falls 0.60 in 1045 AM 07/10 GOES Red Wing (L/D 3) 0.59 in 0800 AM 07/10 COOP Blue Earth 0.59 in 1045 AM 07/10 GOES Sogn 0.58 in 1130 AM 07/10 GOES Wanamingo 0.58 in 1030 AM 07/10 GOES St. Francis 0.57 in 0800 AM 07/10 COCORAHS Hastings (L/D 2) 0.56 in 0800 AM 07/10 COOP Rosemount 3WNW 0.55 in 0700 AM 07/10 COCORAHS Ellsworth 3ESE 0.54 in 0619 AM 07/10 COCORAHS Stockholm 2NE 0.54 in 0800 AM 07/10 COCORAHS Benson (Chip R) 0.53 in 1030 AM 07/10 GOES Zumbrota 0.53 in 1132 AM 07/10 CWOP Quamba 8NNW 0.53 in 1100 AM 07/10 HADS Owatonna 0.53 in 0800 AM 07/10 COOP Owatonna 0.53 in 0700 AM 07/10 COCORAHS Coates 2SW 0.52 in 1115 AM 07/10 HADS Dennison 6E 0.52 in 0700 AM 07/10 COCORAHS Zumbrota 0.51 in 0700 AM 07/10 COOP Cottage Grove 1ESE 0.51 in 1128 AM 07/10 CWOP Prior Lake 0.51 in 1130 AM 07/10 CWOP Blue Earth 0.51 in 1045 AM 07/10 GOES Princeton 1NNE 0.50 in 1103 AM 07/10 CWOP Frontenac 0.50 in 1045 AM 07/10 UCOOP Cannon Falls 2S 0.50 in 1130 AM 07/10 GOES East Bethel 3NE 0.50 in 1200 AM 07/10 COCORAHS Redwood Falls AP 0.49 in 0653 AM 07/10 ASOS Princeton 1WNW 0.49 in 1045 AM 07/10 HADS Hastings 2N 0.48 in 1120 AM 07/10 CWOP Wild River (State Pk) 0.47 in 0700 AM 07/10 COOP 4 E Lake St. Croix Beach 0.46 in 0700 AM 07/10 COCORAHS Rush City AP 0.46 in 0655 AM 07/10 AWOS Newport 1E 0.45 in 0800 AM 07/10 COCORAHS Ellsworth 1E 0.45 in 0700 AM 07/10 COOP Rush City 3W 0.45 in 0800 AM 07/10 COCORAHS Rosemount 3W 0.44 in 0620 AM 07/10 COCORAHS Branch 8ENE 0.44 in 1131 AM 07/10 CWOP Bruce 6NNE 0.43 in 1128 AM 07/10 CWOP Hastings 1WSW 0.43 in 0531 AM 07/10 COCORAHS Silver Lake 1NNW 0.43 in 0700 AM 07/10 COCORAHS Zumbrota 2NNE 0.43 in 0515 AM 07/10 COCORAHS Princeton 2WSW 0.42 in 0500 AM 07/10 COCORAHS Glencoe 3E 0.41 in 1130 AM 07/10 UCOOP Maynard 0.40 in 1045 AM 07/10 GOES Glencoe 3NW 0.40 in 0700 AM 07/10 COCORAHS Delhi 5NE 0.40 in 0700 AM 07/10 COCORAHS Stanton AP 0.39 in 0654 AM 07/10 AWOS Lakeville 2NE 0.39 in 1129 AM 07/10 CWOP Nye 2E 0.39 in 0800 AM 07/10 COCORAHS Beaver Falls 0.38 in 1045 AM 07/10 GOES Tony AP (Rusk County) 0.38 in 0655 AM 07/10 AWOS Harris 5 WNW 0.37 in 0800 AM 07/10 COCORAHS Apple Valley 2E 0.37 in 0700 AM 07/10 COCORAHS Minneapolis-St. Paul AP-MSP 0.37 in 0653 AM 07/10 ASOS Anoka 1SE 0.37 in 0730 AM 07/10 COCORAHS St. Francis 4E 0.36 in 0700 AM 07/10 COCORAHS Madelia 0.36 in 1132 AM 07/10 CWOP Pine Center 4SSE 0.36 in 0700 AM 07/10 COCORAHS Apple Valley 3ESE 0.36 in 0536 AM 07/10 COCORAHS Northfield 0.35 in 1129 AM 07/10 CWOP Lamberton 0.35 in 1030 AM 07/10 GOES Regal 0.35 in 0700 AM 07/10 COCORAHS Dawson 5 SSE 0.35 in 0700 AM 07/10 COCORAHS Cambridge 3N 0.35 in 0700 AM 07/10 COCORAHS Hastings 1SSW 0.35 in 0600 AM 07/10 COCORAHS Morton 0.34 in 1030 AM 07/10 GOES Stillwater 0.33 in 0600 AM 07/10 COCORAHS Cobden 0.33 in 1045 AM 07/10 GOES South St. Paul 0.33 in 0600 AM 07/10 COCORAHS Mendota Heights 2WNW 0.32 in 0700 AM 07/10 COCORAHS Bird Island 7SSE 0.32 in 0700 AM 07/10 COCORAHS Eagan 2SE 0.31 in 1130 AM 07/10 CWOP Wabasso 3E 0.30 in 0700 AM 07/10 COCORAHS Richfield 3ENE 0.30 in 0600 AM 07/10 COCORAHS Northfield 0.30 in 1130 AM 07/10 UCOOP Glencoe AP 0.30 in 0656 AM 07/10 AWOS Mora 0.29 in 0700 AM 07/10 COOP El Paso 7NW 0.29 in 0727 AM 07/10 COCORAHS Isanti 2NNW 0.29 in 1123 AM 07/10 CWOP Hutchinson 5N 0.29 in 0615 AM 07/10 COCORAHS Eagan 1NW 0.28 in 0608 AM 07/10 COCORAHS Eagan 2ESE 0.28 in 0530 AM 07/10 COCORAHS River Falls (Kinnickinnic R) 0.28 in 0800 AM 07/10 UCOOP Cottage Grove 0.28 in 1129 AM 07/10 CWOP Lake City 2NW 0.28 in 1127 AM 07/10 CWOP Eagan 2ESE 0.27 in 1123 AM 07/10 CWOP Farmington 0.27 in 1100 AM 07/10 GOES Anoka 2SE 0.27 in 1133 AM 07/10 CWOP Stillwater 2 SW 0.27 in 0600 AM 07/10 COCORAHS Cosmos 1E 0.26 in 1130 AM 07/10 GOES Woodbury 2S 0.26 in 1131 AM 07/10 CWOP Deer Park 2SE 0.25 in 0700 AM 07/10 COCORAHS Cambridge 0.25 in 1130 AM 07/10 CWOP Orrock 2SE 0.25 in 0700 AM 07/10 COCORAHS New Richmond AP 0.25 in 0655 AM 07/10 AWOS Mendota Heights 2WNW 0.25 in 0700 AM 07/10 COCORAHS Dawson 0.25 in 0700 AM 07/10 COOP Observations are collected from a variety of sources with varying equipment and exposures. We thank all volunteer weather observers for their dedication. Not all data listed are considered official.