Overview
On August 8, 2015, a slow moving cold front tracked across northern Minnesota and interacted with an unstable air mass and the remnants of an outflow boundary to produce scattered showers and thunderstorms over the Northland. A number of these storms became strong to severe with large hail and heavy rain the main impacts.
Damage photos from around Moilan Lake, MN Location of Moilan Lake
PRELIMINARY LOCAL STORM REPORT...SUMMARY NATIONAL WEATHER SERVICE DULUTH MN 1033 PM CDT SAT AUG 08 2015 ..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 0604 AM HAIL 7 WSW PINE RIVER 46.69N 94.54W 08/08/2015 E0.25 INCH CASS MN PUBLIC 0650 AM HAIL MERRIFIELD 46.47N 94.17W 08/08/2015 E0.25 INCH CROW WING MN PUBLIC PEA SIZE HAIL AND A COUPLE OF SMALL TREES DOWN. 0711 AM HAIL IRONTON 46.48N 94.00W 08/08/2015 E0.25 INCH CROW WING MN TRAINED SPOTTER SPORADIC PEA SIZE HAIL. PEAK GUST 32 MPH. 0714 AM HAIL 3 SSW CUYUNA COUNTRY ST 46.45N 94.01W 08/08/2015 E0.25 INCH CROW WING MN TRAINED SPOTTER 0715 AM HAIL 2 ESE CUYUNA COUNTRY ST 46.48N 93.96W 08/08/2015 E0.50 INCH CROW WING MN TRAINED SPOTTER PEA TO MARBLE SIZE HAIL. 0716 AM HAIL 4 SSW CUYUNA COUNTRY ST 46.43N 94.02W 08/08/2015 E0.25 INCH CROW WING MN TRAINED SPOTTER 0716 AM HAIL 3 SSW CUYUNA COUNTRY ST 46.45N 94.01W 08/08/2015 E0.50 INCH CROW WING MN TRAINED SPOTTER 0718 AM HAIL 2 SE RIVERTON 46.43N 94.02W 08/08/2015 E0.25 INCH CROW WING MN PUBLIC REPORTED VIA MPING. 0733 AM HAIL 5 ESE CUYUNA COUNTRY ST 46.46N 93.90W 08/08/2015 E0.75 INCH CROW WING MN TRAINED SPOTTER DIME SIZE HAIL REPORTED. 0900 AM FLOOD 2 WSW LONGVILLE 46.98N 94.25W 08/08/2015 CASS MN TRAINED SPOTTER SPOTTER HAD BASEMENT FLOODING. 1 INCH OF WATER IN 800 SQUARE FOOT BASEMENT. SPOTTER APPROXIMATES 5 INCHES OF TOTAL RAINFALL...AND ESTIMATES THE TIME ON WHEN FLOODING STARTED. 0153 PM HEAVY RAIN 6 ENE HACKENSACK 46.96N 94.41W 08/08/2015 M2.07 INCH CASS MN TRAINED SPOTTER TOTAL FOR TODAY. 0.23 INCHES FELL THIS MORNING. 0202 PM HAIL 2 WSW LONGVILLE 46.98N 94.25W 08/08/2015 E0.25 INCH CASS MN TRAINED SPOTTER 0250 PM HAIL 4 N DEER RIVER 47.39N 93.79W 08/08/2015 E0.25 INCH ITASCA MN TRAINED SPOTTER SMALL BRANCHES DOWN. 0303 PM HAIL 3 NE MOOSE LAKE 47.43N 93.64W 08/08/2015 M0.75 INCH ITASCA MN TRAINED SPOTTER SPOTTER REPORTS PENNY SIZED HAIL AS THE LARGEST. DURATION OF HAIL WAS LESS THAN TEN MINUTES. MOST OF THE HAIL WAS PEA SIZED. 0426 PM HAIL 3 W MCGREGOR 46.61N 93.37W 08/08/2015 M0.25 INCH AITKIN MN TRAINED SPOTTER 0430 PM HAIL 4 W MAKINEN 47.36N 92.45W 08/08/2015 E1.50 INCH ST. LOUIS MN TRAINED SPOTTER A FEW TREES DOWN. HEAVY RAIN. 0430 PM HAIL 7 E ELY 47.91N 91.70W 08/08/2015 M0.88 INCH LAKE MN TRAINED SPOTTER 0434 PM HAIL 1 E MAKINEN 47.36N 92.35W 08/08/2015 M1.00 INCH ST. LOUIS MN TRAINED SPOTTER LOTS OF 1 INCH HAIL. 0435 PM HAIL 4 NW BARNUM 46.54N 92.74W 08/08/2015 M0.25 INCH CARLTON MN TRAINED SPOTTER SPOTTER ALSO REPORTS 1 INCH OF RAINFALL AS THE STORM PASSED THROUGH. 0438 PM HAIL ELY 47.91N 91.85W 08/08/2015 M1.00 INCH ST. LOUIS MN TRAINED SPOTTER MOSTLY PEA SIZED HAIL WITH SOME QUARTER SIZED HAIL. 0440 PM HAIL 1 SW ELY 47.90N 91.86W 08/08/2015 M0.25 INCH ST. LOUIS MN TRAINED SPOTTER WATER ON ROADWAYS WITHIN THE CITY OF ELY. 0442 PM HAIL 5 NNW BARNUM 46.57N 92.74W 08/08/2015 E0.25 INCH CARLTON MN PUBLIC REPORT RELAYED VIA MPING. 0445 PM FLASH FLOOD ELY 47.91N 91.85W 08/08/2015 ST. LOUIS MN TRAINED SPOTTER SPOTTER REPORTS 4 TO 5 INCHES OF WATER AT SOME INTERSECTIONS IN WESTERN PORTIONS OF ELY. AT INTERSECTION OF CAMP STREET AND CENTRAL AVENUE...SPOTTER REPORTS MANHOLE COVER LIFTED BY WATER. STILL RAINING AT THE TIME OF THE REPORT. 0520 PM TSTM WND DMG KETTLE RIVER 46.49N 92.88W 08/08/2015 CARLTON MN PUBLIC TREES DOWN. 0520 PM HAIL KETTLE RIVER 46.49N 92.88W 08/08/2015 E1.75 INCH CARLTON MN PUBLIC 0549 PM HAIL BARNUM 46.50N 92.69W 08/08/2015 M0.50 INCH CARLTON MN NWS EMPLOYEE LOTS OF HAIL WITH THE LARGEST STONES BEING 0.5 INCHES...AND A DURATION OF 6 MINUTES. ESTIMATED WIND GUSTS OF 30-35 MPH. 0706 PM HAIL 5 NW LONG ISLAND LAKE 48.07N 90.83W 08/08/2015 E0.50 INCH COOK MN PUBLIC SMALL BRANCHES WERE BROKEN AND CANOES WERE BLOWN OFF RACKS. 0725 PM HAIL 1 SE LOON LAKE 48.06N 90.67W 08/08/2015 M0.25 INCH COOK MN TRAINED SPOTTER SPOTTER REPORTS SOME PEA SIZED HAIL. 0725 PM HAIL 2 S GUNFLINT LAKE 48.07N 90.70W 08/08/2015 M0.75 INCH COOK MN TRAINED SPOTTER LARGEST HAIL WAS DIME SIZED. REPORT OF 1 INCH OF RAINFALL IN FEW MINUTES. 0740 PM HAIL 4 SSW ROSIE LAKE 48.04N 90.48W 08/08/2015 M0.75 INCH COOK MN PUBLIC LOTS OF HAIL...WITH THE LARGEST BEING PENNY SIZED. 10 MINUTE DURATION. 0741 PM HAIL 4 SSE NORTH LAKE 48.06N 90.53W 08/08/2015 E0.75 INCH COOK MN TRAINED SPOTTER && $$
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