Overview
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Severe storms across the southwest formed into a line and pushed east across south central and southeastern North Dakota for round one. The worst damage came occurred in Killdeer where golf ball to 3 inch diameter hail and 75 mph winds caused widespread damage, ripping siding from homes and shattering windows. Round two had several storms move northeast out of South Dakota while the line of storms moved through the James River Valley. These storms produced tennis ball sized hail in Bucyrus to 2 inch hail in Linton along with high winds. Both rounds of storms brought torrential rainfall with totals as high as 4.19 inches 4 miles west of Westfield. Street flooding occurred in Bismarck, Dickinson, and Jamestown from the intense rain. |
 Preliminary Storm Reports |
Storm Reports
...Hail Reports...
Location Size Time/Date
Killdeer 3.00 in 0500 PM 07/10
4 W Amidon 2.75 in 0600 PM 07/10
Bucyrus 2.50 in 1205 AM 07/11
Linton 2.00 in 0112 AM 07/11
3 N Fairfield 1.75 in 0415 PM 07/10
6 SW Killdeer 1.75 in 0447 PM 07/10
3 N Manning 1.75 in 0505 PM 07/10
10 S Kintyre 1.75 in 0255 AM 07/11
6 ENE Pretty Butte 1.75 in 0452 PM 07/10
2 W Amidon 1.75 in 0534 PM 07/10
8 NE Fairfield 1.50 in 0427 PM 07/10
Prairie Knights Resort 1.50 in 0205 AM 07/11
Amidon 1.50 in 0550 PM 07/10
3 SW Fairfield 1.25 in 0413 PM 07/10
9 NE Bucyrus 1.00 in 1220 AM 07/11
4 S South Fairfield 1.00 in 0432 PM 07/10
1 SSW Bismarck 1.00 in 0927 PM 07/10
New Leipzig 1.00 in 0108 AM 07/11
3 SW Porcupine 1.00 in 0130 AM 07/11
10 SW New England 1.00 in 0608 PM 07/10
2 W Bowdon 1.00 in 1023 PM 07/10
Linton 0.88 in 0416 AM 07/11
5 SSW Strawberry Lake 0.88 in 0920 PM 07/10
Mandan 0.88 in 0858 PM 07/10
...Wind Reports...
Location Speed Time/Date
Medina 80 MPH 1050 PM 07/10
Killdeer 75 MPH 0526 PM 07/10
Mott 75 MPH 0710 PM 07/10
4 N Fairfield 70 MPH 0415 PM 07/10
8 NW Twin Buttes 70 MPH 0545 PM 07/10
10 S Saint Gertrude 70 MPH 0857 PM 07/10
1 N Regent 70 MPH 0645 PM 07/10
Mandan 70 MPH 0856 PM 07/10
1 ENE Crown Butte Lake 70 MPH 0852 PM 07/10
5 WSW Glen Ullin 70 MPH 0738 PM 07/10
Bentley 65 MPH 0745 PM 07/10
Steele 65 MPH 1011 PM 07/10
2 E Hazen 62 MPH 0815 PM 07/10
2 SSE Temvik 61 MPH 0229 AM 07/11
14 N Haynes 60 MPH 0725 PM 07/10
2 S Beulah 60 MPH 0755 PM 07/10
2 NNW Solen 60 MPH 0927 PM 07/10
Hebron 60 MPH 0720 PM 07/10
6 ENE Pretty Butte 60 MPH 0452 PM 07/10
Ypsilanti 60 MPH 1130 PM 07/10
6 S Dickinson 59 MPH 0644 PM 07/10
3 W Eldridge 58 MPH 1110 PM 07/10
6 N Bismarck 56 MPH 0901 PM 07/10
Stanton 56 MPH 0815 PM 07/10
4 WNW Fryburg 55 MPH 0613 PM 07/10
Bismarck 53 MPH 0917 PM 07/10
Linton 50 MPH 1009 PM 07/10
Observations are collected from a variety of sources with varying
equipment and exposures. Not all data listed are considered official.
Rain Reports
...Rainfall Reports... Location Amount Time/Date 3 W Westfield 4.19 in 0824 AM 07/11 3 N Forbes 3.00 in 0840 AM 07/11 3 S Hague 2.60 in 0822 AM 07/11 7 NE Ashley 2.25 in 0739 AM 07/11 Dickinson 2.00 in 0800 PM 07/10 Hazelton 2.00 in 0821 AM 07/11 2 NE Strawberry Lake 1.75 in 0632 AM 07/11 3 SSE Selz 1.61 in 0844 AM 07/11 Richardton 1.59 in 1008 AM 07/11 Baldwin 1.50 in 0847 AM 07/11 2 NE Bismarck 1.42 in 0955 PM 07/10 Carrington 1.30 in 0837 AM 07/11 Jamestown 1.30 in 1020 AM 07/11 Chaseley 1.23 in 0838 AM 07/11 Bismarck 1.21 in 1016 AM 07/11 Harvey 1.15 in 0915 AM 07/11 1 W Garrison 1.10 in 1019 AM 07/11 6 SW Orrin 1.01 in 0817 AM 07/11
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