June 14, 2012: Large Hail and Damaging Winds Affect Areas South of Interstate 80

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June 14, 2012

Large Hail, Damaging Winds,
 Very Heavy Rain



To the right is a National Weather Service Radar loop, valid from 3:30 p.m
on Thursday, June 14th through 12:00 a.m. on Friday, June 15th.

The NWS Hastings coverage area is located within the orange outlined area, with the Interstate highways in red.

(Click Radar Loop To Enlarge)

Event Summary:

Increased lift associated with an upper level low pressure system shifting east acros southern Canada brought large hail, damaging wind gusts and at times torrential rainfall to a good portion of the NWS Hastings coverage area, primarily south of Interstate 80. Activity started during the mid to late afternoon hours, on both the western and eastern edges of the coverage area, eventually filling in along a surface cold front draped across the region. Ample instability was in place by mid afternoon, and even though the overall deep layer shear was on the weak side, many thunderstorms were able to become severe. Through the evening hours, this frontal boundary was the main focus for activity, but outflow boundaries from ongoing storms also aided in additional development. Thunderstorms were slow to move but eventually drifted off to the southeast, and their slow motion allowed for many locations to tally up 3 to 4+ inches of rain.

Before the severe weather event on Thursday, June 14th, the past 2 weeks had been fairly quiet across the NWS Hastings coverage area, and outside of a few isolated hail reports on June 1st and 13th, the last day with multiple severe weather reports was May 30th.


Some of the notable severe weather reports from this event:

  • Tennis ball size hail (2.5") was reported in Glenvil.
  • Golf ball size hail (1.75") was reported in Bruning and Harvard. There were also reports near Guide Rock (9 miles north) and Beaver City (4 SW and 9 SSW)
  • Ping pong ball size hail (1.5") was reported near Hastings (6 SSE) and in Wilsonville and Hildreth.
  • Quarter size hail (1.0") was reported in Dewesse, as well as many of the towns listed above with larger hail reports.
  • Wind gusts estimated at 70 mph were reported in Lawrence and near Beaver City (9 SSW).
  • Wind gusts estimated at 60 mph were reported near Guide Rock (9 S), Hastings (9 SSE) and Chester (3 NE).
  • A wind gust of 63 mph was measured by automated equpiment at the airport near Stockton, KS (4 S).
  • A wind gust of 62 mph was measured by automated equipment at the aiport near Beloit and Phillipsburg, KS.
  • A wind gust of 58 mph was measured by automated equipment at that airport near Smith Center, KS.

Storm Reports from
June 14, 2012

June 14, 2012 storm reports.
Click image for detailed reports
.

 

Below is a table of some of the higher rainfall total from around the area, ending Friday morning, June 15th.  These totals come from NWS Cooperative Observers (*) and Nebraska Rainfall Assessment and Information Network Observers.

 

Location

Total

2 NNW Lawrence

4.66

3 W Deweese

4.50

5 SSE Deweese

4.37

Clay Center*

4.33

Bruning*

3.40

1 N Burr Oak, KS*

3.37

8 ESE Guide Rock

3.33

Byron

3.25

5 SSW Deshler

3.23

1 S Fairfield

3.20

6 ESE Clay Center

3.18

4 NE Ayr

3.16

6 N Nelson

3.08

7 NE Superior

3.07

2 NW Edgar

2.98

Hebron*

2.74

Ionia, KS*

2.48

Hubbell*

2.30

Beloit, KS*

2.14

4 S Shickley*

1.93

Wilsonville*

1.56


Below are 3 water vapor satellite images taken through the event on June 14th at 5 p.m. and 8 p.m., as well as 12 a.m. June 15th. The increase in colors of the images shows how the thunderstorm activty developed and evolved through the event. One can see the notable increase between 5 and 8 p.m., when the brunt of the event was ongoing, and the gradual southeastward shift through 12 a.m. The - and + symbols on the images depict lightning activity. 

Water vapor imagery from 5 p.m. Water vapor imagery from 8 p.m. Water vapor imagery from 12 a.m.

Water vapor imagery from 5 p.m., June 14th

Water vapor imagery from 8 p.m., June 14th

Water vapor imagery from 12 a.m., June 15th

 

 

This page was composed by the staff at the National Weather Service in Hastings, Nebraska.



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