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Storm reports for July 23, 2010

NOAA recorded 41 hail reports, 190 wind reports and 12 tornado reports in 20 states on July 23, 2010.

in 20 states
243
Storm reports
Near 43.92, -100.28, SD
8.0 in
Largest hail
About 26 miles from Scranton, PA
90 mph
Highest gust
Highest rating EF2, about 24 miles from Scranton, PA
12
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 July 23, 2010 to 12:00 UTC the next day. Times are Central.

Select a dot or a path for the report.

What happened

A storm moving southeast across central South Dakota dropped an 8-inch hailstone near Vivian in Lyman County at 5:05 p.m. CST on July 23, 2010.1,2 The stone set US records for diameter and for weight, at 1.9375 pounds, and the storm survey measured several other stones 6 inches or more across.1,2 The hail and winds over 70 mph damaged homes, outbuildings and vehicles along the storm's path, and some stones went through roofs, garages and campers.1 Five people on Interstate 90 had minor injuries when hailstones broke through windshields.1 The same storm produced a measured gust of 74 knots (85 mph) near Draper in Jones County at 4:48 p.m. CST.3,2

In Iowa, an EF1 tornado west of Indianola in Warren County damaged barns and houses around 7:03 p.m. CST, and the Storm Events Database lists $750,000 in property damage.4 In Wayne County, Pennsylvania, an EF2 tornado with winds estimated at 110 to 120 mph severely damaged or destroyed several structures about 4 miles east of Honesdale.5 Downburst winds of 70 to 90 mph from the same storm brought down large trees that damaged homes in the Hawley area.6

Sources

  1. 1. NOAA NCEI Storm Events Database: Storm Events Database: Event 250600, hail, Lyman County, South Dakota
  2. 2. NWS Aberdeen: Record Setting Hail Event in Vivian, South Dakota on July 23, 2010
  3. 3. NOAA NCEI Storm Events Database: Storm Events Database: Event 250595, thunderstorm wind, Jones County, South Dakota
  4. 4. NOAA NCEI Storm Events Database: Storm Events Database: Event 235106, tornado, Warren County, Iowa
  5. 5. NOAA NCEI Storm Events Database: Storm Events Database: Event 251326, tornado, Wayne County, Pennsylvania
  6. 6. NOAA NCEI Storm Events Database: Storm Events Database: Event 251329, thunderstorm wind, Wayne County, Pennsylvania

Reports by hour

Hail41, most at 5 PM

Wind190, most at 5 PM

Tornado12, most at 5 PM

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

Every report

Source: NOAA/NWS Storm Prediction Center.

TimeRatingWherePath
4:55 PMEF1About 24 miles from Scranton, PA6.77 mi long, 200 yd wide
5:15 PMEF1About 24 miles from Scranton, PA1.7 mi long, 75 yd wide
5:27 PMEF2About 24 miles from Scranton, PA25.72 mi long, 400 yd wide
5:33 PMEF0About 11 miles from Ann Arbor, MI0.61 mi long, 100 yd wide
5:35 PMEF1About 27 miles from Scranton, PA3.51 mi long, 100 yd wide
5:57 PMEF0Near 43.92, -100.30, SD0.27 mi long, 30 yd wide
7:50 PMEF0Near 44.81, -98.10, SD2.09 mi long, 30 yd wide
7:52 PMEF0Near 43.52, -98.80, SD0.1 mi long, 50 yd wide
7:55 PMEF0Near 43.18, -99.01, SD0.15 mi long, 50 yd wide
7:58 PMEF0Near 43.15, -99.10, SD0.2 mi long, 50 yd wide
8:03 PMEF1About 15 miles from Des Moines, IA3.35 mi long, 150 yd wide
8:12 PMEF1About 15 miles from Des Moines, IA0.31 mi long, 100 yd wide

By state

StateReportsHailWindTornado
South Dakota5723295
Illinois280280
Iowa275202
Minnesota251240
Michigan242211
Pennsylvania200164
New Jersey141130
Ohio130130
North Dakota8530
Arizona3210
Indiana3030
Kansas3120
New Mexico3030
New York3030
South Carolina3030
Wisconsin3030
Colorado2110
Florida2020
Alabama1010
Massachusetts1010

Cities with reports nearby

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

CityLargest hailHighest gustTornado reports
Cedar Rapids, IA1.0 inNone0
Ann Arbor, MI0.75 in82 mph1
Binghamton, NYNone58 mph0
Canton, OHNone58 mph0
Chicago, ILNone69 mph0
Cleveland, OHNone58 mph0
Crestview, FLNone60 mph0
Davenport, IANone70 mph0
Des Moines, IANoneNone2
Detroit, MINone64 mph0
Erie, PANone58 mph0
Montgomery, ALNone69 mph0
New York, NYNone60 mph0
Pensacola, FLNone64 mph0
Sioux Falls, SDNone70 mph0
South Bend, INNone72 mph0
Youngstown, OHNone58 mph0

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