The oppressive muggy air mass over Minnesota on August 16th, 2015 spawned thunderstorms with very heavy rains over two areas in southern Minnesota. One area was centered around Dundee in the northeast corner of Nobles County where the highest total found was 5.70 inches of rain six miles north of town. A second area of heavy rain was centered in the Bursville area of Dakota County. The highest total reported there so far was 5.29 inches in Burnsville.
The map to the right depicts the rainfall for the 24 hour period ending at around 8am August 17.
Below are National Weather Service Storm Reports of the event
PRELIMINARY LOCAL STORM REPORT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 1108 AM CDT MON AUG 17 2015 ..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 0530 AM HEAVY RAIN 3 NE BURNSVILLE 44.80N 93.24W 08/17/2015 M4.28 INCH DAKOTA MN COCORAHS 24 HOUR RAINFALL TOTAL. PRELIMINARY LOCAL STORM REPORT NATIONAL WEATHER SERVICE SIOUX FALLS SD 1037 PM CDT SUN AUG 16 2015 ...TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ...DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 0900 AM HEAVY RAIN 1 W DUNDEE 43.84N 95.49W 08/16/2015 E5.00 INCH NOBLES MN PUBLIC PRELIMINARY LOCAL STORM REPORT NATIONAL WEATHER SERVICE SIOUX FALLS SD 1040 PM CDT SUN AUG 16 2015 ...TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ...DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 0900 AM HEAVY RAIN HERON LAKE 43.80N 95.32W 08/16/2015 E3.50 INCH JACKSON MN PUBLIC PRELIMINARY LOCAL STORM REPORT NATIONAL WEATHER SERVICE SIOUX FALLS SD 1008 AM CDT SUN AUG 16 2015 ...TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ...DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 0850 AM FLASH FLOOD 6 N DUNDEE 43.93N 95.46W 08/16/2015 COTTONWOOD MN PUBLIC 2 TO 3 FEET OF WATER RUNNING 20 FEET WIDE THROUGH PROPERTY. PRELIMINARY LOCAL STORM REPORT NATIONAL WEATHER SERVICE SIOUX FALLS SD 846 AM CDT SUN AUG 16 2015 ...TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ...DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 0840 AM HEAVY RAIN 6 N DUNDEE 43.93N 95.46W 08/16/2015 E5.70 INCH COTTONWOOD MN TRAINED SPOTTER
Last modified: August 13, 2015
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