Severe Thunderstorms During the Evening of May 23rd

Overview

Scattered thunderstorms which developed along a frontal boundary stretched across portions of northwestern Iowa and southwestern Minnesota produced a wide array of severe weather during the evening of the 23rd of May.

As these storms formed, they were capable of producing very weak landspout tornadoes, one of which briefly touched down near the city of Hospers, IA. However, as they continued to grow, the tornado risk diminished and reports of large hail up to ping pong ball size and damaging winds were received. Due to the steady northeastward movement of these storms along a front in the area, heavy rainfall was reported in many areas. By Tuesday morning, rainfall totals were as high as 2 to 4 inches in some locations.

Radar from Tuesday May 23rd

Storm Reports

Storm Reports

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0438 PM     HAIL             HINTON                  42.62N 96.29W
05/23/2016  E1.50 INCH       PLYMOUTH           IA   LAW ENFORCEMENT



0441 PM     TORNADO          2 N GRANVILLE           43.01N 95.87W
05/23/2016                   SIOUX              IA   LAW ENFORCEMENT



0448 PM     HAIL             1 SSE LE MARS           42.77N 96.16W
05/23/2016  E0.25 INCH       PLYMOUTH           IA   TRAINED SPOTTER

            ALSO VERY HEAVY RAIN, STORM DRAINS
            OVERFLOWING.

0535 PM     HAIL             8 SE WESTFIELD          42.67N 96.50W
05/23/2016  E1.00 INCH       PLYMOUTH           IA   PUBLIC



0540 PM     HAIL             8 ESE WESTFIELD         42.70N 96.48W
05/23/2016  E0.88 INCH       PLYMOUTH           IA   PUBLIC



0542 PM     HAIL             3 SSE MATLOCK           43.21N 95.90W
05/23/2016  E1.00 INCH       SIOUX              IA   TRAINED SPOTTER

            ALSO ESTIMATED 45 MPH WIND GUSTS.

0555 PM     FLASH FLOOD      LE MARS                 42.79N 96.17W
05/23/2016                   PLYMOUTH           IA   PUBLIC

            STREETS FLOODED AND OVER RAILROAD TRACKS

0558 PM     HAIL             4 W ASHTON              43.31N 95.86W
05/23/2016  E1.00 INCH       LYON               IA   TRAINED SPOTTER



0602 PM     HAIL             4 E WESTFIELD           42.75N 96.53W
05/23/2016  E1.00 INCH       PLYMOUTH           IA   PUBLIC



0605 PM     HAIL             5 WNW ASHTON            43.33N 95.89W
05/23/2016  E1.00 INCH       LYON               IA   TRAINED SPOTTER



0608 PM     HAIL             5 S LITTLE ROCK         43.37N 95.86W
05/23/2016  E1.00 INCH       LYON               IA   TRAINED SPOTTER



0620 PM     HAIL             6 NNE SIBLEY            43.48N 95.68W
05/23/2016  E1.00 INCH       OSCEOLA            IA   TRAINED SPOTTER

            MOST OF THE HAIL WAS PEA TO DIME SIZE WITH A
            FEW QUARTER SIZE.

0625 PM     TSTM WND GST     6 NNE KINGSLEY          42.66N 95.92W
05/23/2016  M82 MPH          PLYMOUTH           IA   PUBLIC

            2 TO 6 INCH DIAMETER BRANCHES BROKEN OFF
            TREES. WEATHER STATION BLOWN OFF GARAGE.

0643 PM     HAIL             MARCUS                  42.82N 95.81W
05/23/2016  E1.50 INCH       CHEROKEE           IA   TRAINED SPOTTER

            MOSTLY PEA, WITH A FEW PING PONG BALL SIZE

0655 PM     HAIL             5 SSW PAULLINA          42.91N 95.74W
05/23/2016  E0.88 INCH       O`BRIEN            IA   TRAINED SPOTTER

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Storm Impacting the Northwest U.S.; Fire Weather Conditions in Southern California; Severe Weather in the South

Severe Thunderstorms During the Evening of May 23rd