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Storm reports for June 30, 2010

NOAA recorded 37 hail reports, 37 wind reports and 7 tornado reports in 9 states on June 30, 2010.

in 9 states
81
Storm reports
Near 45.76, -111.10, MT
2.75 in
Largest hail
Near 44.96, -105.13, WY
87 mph
Highest gust
Highest rating EF0, about 18 miles from Brownsville, TX
7
Tornado reports
Source: NOAA/NWS Storm Prediction Center

Hail, inches

  • 0.75
  • 1
  • 1.5
  • 2
  • 2.5
  • 3+

Dots: reports.

  • Wind report
  • Tornado and its path

Source: NOAA/NWS Storm Prediction Center, final severe weather database (from NOAA's Storm Data). Report day: 12:00 UTC on June 30, 2010 to 12:00 UTC the next day. Times are Central.

Select a dot or a path for the report.

What happened

Afternoon thunderstorms dropped hail up to baseball size in southwest Montana on June 30, 2010.1 Hail 2.75 inches across fell 4 miles east-southeast of Belgrade at 2:12 p.m. MST, and 2-inch hail fell 5 miles west of Bozeman at 3 p.m.1,2 The hail broke home windows west of Bozeman, and Montana State University reported up to 1,000 damaged windows on its campus.2,1 NOAA's Storm Events Database lists $60 million in property damage from the hail in Bozeman.3

In Campbell County, Wyoming, a storm north of Weston dropped hail 2.5 inches across at 4:16 p.m. MST, and a spotter's weather station there measured an 87 mph gust at 4:49 p.m.4,5 In Basin, Wyoming, winds estimated at 65 knots (75 mph) at 2:28 p.m. MST brought down trees and limbs that damaged roofs, and flying debris broke home and vehicle windows, mostly on the south side of town.6 At 9:40 p.m. MST, winds measured at 59 knots (68 mph) in Killdeer, North Dakota, tore part of a roof off one building and damaged others in town.7

Sources

  1. 1. NOAA NCEI Storm Events Database: Storm Events Database: Event 229995, hail, Gallatin County, Montana
  2. 2. NOAA NCEI Storm Events Database: Storm Events Database: Event 229997, hail, Gallatin County, Montana
  3. 3. NOAA NCEI Storm Events Database: Storm Events Database: Event 229999, hail, Gallatin County, Montana
  4. 4. NOAA NCEI Storm Events Database: Storm Events Database: Event 232331, hail, Campbell County, Wyoming
  5. 5. NOAA NCEI Storm Events Database: Storm Events Database: Event 232336, thunderstorm wind, Campbell County, Wyoming
  6. 6. NOAA NCEI Storm Events Database: Storm Events Database: Event 241334, thunderstorm wind, Big Horn County, Wyoming
  7. 7. NOAA NCEI Storm Events Database: Storm Events Database: Event 241986, thunderstorm wind, Dunn County, North Dakota

Reports by hour

Hail37, most at 5 PM

Wind37, most at 9 PM

Tornado7, most at 10 AM

Reports per hour, Central time. Each row has its own scale.

Every report

Source: NOAA/NWS Storm Prediction Center.

TimeRatingWherePath
10:10 AMEF0About 18 miles from Brownsville, TX0.05 mi long, 20 yd wide
10:35 AMEF0About 7 miles from Brownsville, TX0.38 mi long, 40 yd wide
11:46 AMEF0About 41 miles from Corpus Christi, TX7.07 mi long, 30 yd wide
12:16 PMEF0About 28 miles from Edinburg, TX0.77 mi long, 20 yd wide
2:30 PMEF0About 38 miles from Corpus Christi, TX0.14 mi long, 30 yd wide
3:10 PMEF0About 28 miles from Corpus Christi, TX0.13 mi long, 30 yd wide
9:41 PMEF0About 29 miles from Corpus Christi, TX0.55 mi long, 30 yd wide

By state

StateReportsHailWindTornado
Montana4030100
North Dakota182160
Wyoming11470
Texas7007
Florida1010
Idaho1010
Maine1100
South Carolina1010
South Dakota1010

Cities with reports nearby

Reports within 15 miles of the center of each city we track.

CityLargest hailHighest gustTornado reports
Brownsville, TXNoneNone1
Gainesville, FLNone25 mph0

Reports are what observers recorded near a location, not a complete record of every storm. They don’t describe conditions at any building.