Saturday evening, July 10, 2010, brought isolated severe thunderstorms to parts of south central Nebraska, with these storms initially developing along a surface low pressure trough  to the west of the area.

Severe Weather:
Here are a few  "highlights" of the event, based on reports received from storm spotters and local law enforcement/emergency management:

  • Hail up to the size of golf balls, and wind gusts estimated to around 60 MPH in Gothenburg, and through areas several miles northeast of Gothenburg in rural Dawson County around 615 PM-630 PM.
  • Ping pong ball size hail between Ord and Elyria along Highway 11 in Valley County around 815 PM. 
  • 55 MPH wind gust measured by automated equipment at Central Nebraska Regional Airport in Grand Island at 1154 PM. (this wind speed fell just short of actual Severe Thunderstorm Warning criteria, which is 58 MPH)

CLICK HERE for an "interactive" map of storm reports across the NWS Hastings coverage area. These same reports are also listed below:

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE HASTINGS NE
1220 AM CDT SUN JUL 11 2010

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

0615 PM        HAIL             GOTHENBURG              40.93N 100.16W
07/10/2010  E1.50 INCH       DAWSON             NE   TRAINED SPOTTER

            PING PONG BALL SIZE HAIL AND 50-60 MPH WINDS IN TOWN

0620 PM        HAIL             GOTHENBURG              40.93N 100.16W
07/10/2010  E1.75 INCH       DAWSON             NE   STORM CHASER

            HAIL UP TO THE SIZE OF GOLF BALLS. LOTS OF QUARTER SIZED.


0624 PM        HAIL             4 NE GOTHENBURG         40.97N 100.11W
07/10/2010  E1.75 INCH       DAWSON             NE   TRAINED SPOTTER

            GOLF BALL SIZE HAIL AND ESTIMATED 60 MPH WINDS

0632 PM        HAIL             8 N COZAD               40.98N 99.99W
07/10/2010  E0.88 INCH       DAWSON             NE   PUBLIC

            NICKEL SIZE HAIL

0815 PM        HAIL             3 NW ORD                41.63N 98.97W
07/10/2010  E1.50 INCH       VALLEY             NE   PUBLIC

            A FEW PING PONG BALL SIZE STONES...MOST SMALLER

1042 PM        HAIL             3 N LITCHFIELD          41.20N 99.15W
07/10/2010  E0.75 INCH       SHERMAN            NE   TRAINED SPOTTER

            ESTIMATED DIME SIZE HAIL AND 30-40 MPH WINDS

1045 PM     TSTM WND GST     LITCHFIELD              41.16N 99.15W
07/10/2010  E60.00 MPH       SHERMAN            NE   TRAINED SPOTTER

            ESTIMATED 60 MPH WIND GUST

1154 PM     TSTM WND GST     GRAND ISLAND AIRPORT    40.97N 98.32W
07/10/2010  M55.00 MPH       HALL               NE   ASOS

            55 MPH WIND GUST

1157 PM     TSTM WND GST     1 SE GRAND ISLAND       40.91N 98.35W
07/10/2010  M57.00 MPH       HALL               NE   TRAINED SPOTTER

            SPOTTER MEASURED 57 MPH GUST ON SOUTHEAST SIDE OF TOWN.
            SMALL TREE BRANCHES DOWN.


  • The radar loop below, courtesy of the Iowa Environmental Mesonet (Iowa State University), depicts storms across southern NE and KS between 530pm-1115pm, July 10, 2010. 

- The NWS Hastings 30-county coverage area is depicted within the orange outlined area  labeled "GID"                                 

- Interstate Highways are depicted by the thick red and black lines

- The actual Severe Thunderstorm (yellow) warning polygons issued during the event are overlayed with the radar data. In addition, Preliminary local storm reports pop up on the image as small white triangles (for example, "Hail 1.5" indicates hail 1.5 inches in diameter).

 

 

Rainfall:
The graphic below depicts an approximation of 24-HOUR RAINFALL totals ending around 7 AM on the morning of July 11, 2010. Clearly, the heaviest rain in excess of 0.75-inch focused north of Highway 92 in south central Nebraska. A few of the highest known gauge readings within the area included:

  •  2.40 inches five miles northeast of Osceola in Polk County (NeRAIN observer)
  •  1.92 inches at Belgrade in Nance County (NWS Cooperative Observer).

Current Rainfall Map


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