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 out-flow 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. Here is a summary of this event.
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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