Numerous severe thunderstorms developed over northwest Minnesota during the afternoon through the evening on August 12, 2015. Very large hail fell with some reports of softball size with damaging winds also reported in many areas. A very warm and humid airmass combined with a disturbance near the surface and mid levels of the atmosphere to produce the severe weather.
Radar loop from 1:45 p.m. on August 12th to 3:30 a.m. on August 13th
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0258 PM HAIL 6 NW KARLSTAD 48.64N 96.61W
08/12/2015 E0.88 INCH KITTSON MN PUBLIC
REPORTED NEAR THE INTERSECTION OF COUNTY ROAD 7 AND STATE
HIGHWAY 11
0321 PM HAIL 3 NNW STRATHCONA 48.59N 96.19W
08/12/2015 E0.75 INCH ROSEAU MN TRAINED SPOTTER
0333 PM HAIL 4 NNW STRATHCONA 48.61N 96.20W
08/12/2015 E0.88 INCH ROSEAU MN TRAINED SPOTTER
0349 PM HAIL 10 NE MIDDLE RIVER 48.54N 96.01W
08/12/2015 E1.00 INCH MARSHALL MN PUBLIC
TIME ESTIMATED BY RADAR
0500 PM HAIL 5 WSW PINECREEK 48.95N 96.04W
08/12/2015 E1.75 INCH ROSEAU MN TRAINED SPOTTER
0505 PM TSTM WND DMG 6 SSE HIGH LANDING 47.97N 95.76W
08/12/2015 PENNINGTON MN EMERGENCY MNGR
SEVERAL GRAIN BINS SUSTAINED SIGNIFICANT DAMAGE. LARGE
ROUND HAY BALLS BLOWN ACROSS A FIELD. WIND SPEEDS
ESTIMATED IN EXCESS OF 80 MPH.
0515 PM HAIL 6 N BADGER 48.86N 96.02W
08/12/2015 M2.75 INCH ROSEAU MN PUBLIC
0524 PM HAIL FOX 48.84N 95.90W
08/12/2015 E1.75 INCH ROSEAU MN TRAINED SPOTTER
0526 PM HAIL FOX 48.84N 95.90W
08/12/2015 E2.75 INCH ROSEAU MN TRAINED SPOTTER
0530 PM HAIL 6 W ROSEAU 48.85N 95.89W
08/12/2015 M3.00 INCH ROSEAU MN PUBLIC
RULER MEASURED 3.5 INCH HAIL
0532 PM HAIL 1 N CLEARBROOK 47.71N 95.43W
08/12/2015 E1.00 INCH CLEARWATER MN TRAINED SPOTTER
0545 PM HAIL ROSEAU 48.85N 95.76W
08/12/2015 E1.75 INCH ROSEAU MN TRAINED SPOTTER
A MIX OF QUARTER TO GOLF BALL SIZED HAIL,
0550 PM TSTM WND DMG SHEVLIN 47.53N 95.26W
08/12/2015 CLEARWATER MN EMERGENCY MNGR
NUMEROUS PINE TREES BROKEN DOWN AROUND THE AREA. TIME
ESTIMATED BASED ON RADAR.
0552 PM TSTM WND GST 5 S SHEVLIN 47.46N 95.26W
08/12/2015 E70.00 MPH CLEARWATER MN PUBLIC
TREE DOWNED BY STRONG WINDS
0555 PM HAIL 4 SE ROSEAU 48.80N 95.70W
08/12/2015 E1.00 INCH ROSEAU MN TRAINED SPOTTER
0620 PM TSTM WND DMG 6 NW LAKE GEORGE 47.26N 95.08W
08/12/2015 HUBBARD MN PUBLIC
A SIXTEEN INCH DIAMETER PINE TREE WAS SNAPPED... AND SOME
HALF INCH DIAMETER FELL.
0636 PM HAIL 2 E EMMAVILLE 47.07N 94.94W
08/12/2015 E1.00 INCH HUBBARD MN PUBLIC
0640 PM TSTM WND DMG 1 E EMMAVILLE 47.07N 94.96W
08/12/2015 HUBBARD MN TRAINED SPOTTER
SPOTTER NOTICED AN OCCASIONAL POPLAR TREE BLOWN OVER
...ALONG WITH DENTS IN VEHICLES CAUSED BY HAIL...ALONG A
ROUTE FROM EMMAVILE INTO NEVIS.
0650 PM HAIL NEVIS 46.97N 94.84W
08/12/2015 E1.25 INCH HUBBARD MN TRAINED SPOTTER
0654 PM HAIL 1 N NEVIS 46.98N 94.84W
08/12/2015 E1.00 INCH HUBBARD MN TRAINED SPOTTER
0701 PM TSTM WND DMG AKELEY 47.00N 94.73W
08/12/2015 HUBBARD MN TRAINED SPOTTER
NUMEROUS TREES SNAPPED AROUND TOWN... PINE... MAPLE AND
POPLAR.
0735 PM HAIL 10 ESE LANCASTER 48.80N 96.60W
08/12/2015 E0.88 INCH KITTSON MN TRAINED SPOTTER
HAIL AND A HALF INCH OF RAIN FELL VERY QUICKLY.
0745 PM FUNNEL CLOUD 4 ENE HALMA 48.68N 96.52W
08/12/2015 KITTSON MN TRAINED SPOTTER
A PERSISTENT WALL CLOUD WITH ONE OR TWO BRIEF FUNNELS WAS
REPORTED. SPOTTER WAS LOCATED WEST OF GREENBUSH.
0800 PM HAIL 2 SW GREENBUSH 48.68N 96.21W
08/12/2015 E1.00 INCH ROSEAU MN TRAINED SPOTTER
0810 PM HAIL 8 WNW WARROAD 48.95N 95.48W
08/12/2015 E1.50 INCH ROSEAU MN BROADCAST MEDIA
REPORTS AND PICTURES POSTED VIA SOCIAL MEDIA. TIME
ESTIMATED BASED ON RADAR.
0828 PM HAIL MIDDLE RIVER 48.44N 96.16W
08/12/2015 E1.00 INCH MARSHALL MN BROADCAST MEDIA
REPORT AND PICTURE POSTED VIA SOCIAL MEDIA.
0900 PM TSTM WND DMG NEWFOLDEN 48.36N 96.33W
08/12/2015 MARSHALL MN PUBLIC
LARGE BRANCHES REPORTED BROKEN DOWN AROUND TOWN. REPORT
POSTED VIA SOCIAL MEDIA.
0903 PM FUNNEL CLOUD 3 S HOLT 48.25N 96.19W
08/12/2015 MARSHALL MN FIRE DEPT/RESCUE
FUNNEL WAS SHORT-LIVED
0910 PM HAIL 3 S HOLT 48.25N 96.19W
08/12/2015 E1.00 INCH MARSHALL MN PUBLIC
LARGE HAIL AND VERY STRONG WINDS... BUT NO WIND DAMAGE IS
READILY APPARENT IN THE YARD.
0920 PM TSTM WND DMG 8 S HOLT 48.18N 96.19W
08/12/2015 MARSHALL MN EMERGENCY MNGR
TREES REPORTED BROKEN DOWN NEAR THE PENNINGTON COUNTY
LINE. TIME ESTIMATED BASED ON RADAR.
0930 PM HAIL THIEF RIVER FALLS 48.11N 96.18W
08/12/2015 E1.00 INCH PENNINGTON MN BROADCAST MEDIA
REPORT AND PICTURE POSTED VIA SOCIAL MEDIA.
0933 PM TSTM WND GST 1 N THIEF RIVER FALLS 48.13N 96.18W
08/12/2015 E80.00 MPH PENNINGTON MN EMERGENCY MNGR
LARGE BRANCHES BROKEN DOWN.
1000 PM HAIL 2 S PLUMMER 47.89N 96.04W
08/12/2015 E1.25 INCH RED LAKE MN BROADCAST MEDIA
REPORT AND PHOTO POSTED VIA SOCIAL MEDIA.
1008 PM HAIL OKLEE 47.84N 95.85W
08/12/2015 E1.00 INCH RED LAKE MN BROADCAST MEDIA
REPORT AND PHOTO POSTED VIA SOCIAL MEDIA.
1009 PM HAIL 8 NNW BAGLEY 47.63N 95.47W
08/12/2015 E0.88 INCH CLEARWATER MN BROADCAST MEDIA
REPORT AND PHOTO POSTED VUIA SOCIAL MEDIA.
1030 PM HAIL 6 N BAGLEY 47.61N 95.40W
08/12/2015 E1.00 INCH CLEARWATER MN BROADCAST MEDIA
REPORT POSTED TO SOCIAL MEDIA. TIME ESTIMATED BASED ON
RADAR.
1039 PM HAIL MCINTOSH 47.64N 95.89W
08/12/2015 E2.00 INCH POLK MN PUBLIC
REPORT AND PHOTO POSTED VIA SOCIAL MEDIA.
1055 PM HAIL 7 ESE WINGER 47.50N 95.85W
08/12/2015 E1.00 INCH MAHNOMEN MN PUBLIC
HAIL FROM DIME TO QUARTER SIZED COVERED THE GROUND.
1100 PM HAIL 6 E BEJOU 47.44N 95.84W
08/12/2015 E1.75 INCH MAHNOMEN MN BROADCAST MEDIA
REPORT AND PHOTO POSTED VIA SOCIAL MEDIA. TIME ESTIMATED
BASED ON RADAR.
1110 PM HAIL 1 N LAKE ITASCA 47.27N 95.21W
08/12/2015 E1.00 INCH CLEARWATER MN TRAINED SPOTTER
LARGE HAIL CONTINUED FOR NEARLY 10 MINUTES.
1133 PM HAIL 10 ESE BEAULIEU 47.28N 95.61W
08/12/2015 E1.75 INCH MAHNOMEN MN TRAINED SPOTTER
HAIL FROM QUARTER TO GOLF BALL SIZED FELL FOR A FEW
MINUTES.
1201 AM HAIL 3 ENE SNELLMAN 46.91N 95.35W
08/13/2015 E1.25 INCH BECKER MN TRAINED SPOTTER
SEVERAL MINUTES OF HAIL OCCURRED... WITH A FEW MINUTES OF
HAIL THAT WAS LARGER THAN A QUARTER.
1220 AM HAIL 4 E EVERGREEN 46.76N 95.37W
08/13/2015 E1.00 INCH BECKER MN TRAINED SPOTTER
LARGE HAIL. HARD TO SEE BECAUSE POWER IS OUT.
0100 AM HAIL 3 SW WADENA 46.41N 95.18W
08/13/2015 M1.00 INCH OTTER TAIL MN PUBLIC
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