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Storm reports for April 22, 2011

NOAA recorded 247 hail reports, 35 wind reports and 21 tornado reports in 9 states on April 22, 2011.

in 9 states
303
Storm reports
About 52 miles from St. Louis, MO
4.5 in
Largest hail
About 23 miles from St. Louis, MO
81 mph
Highest gust
Highest rating EF4, about 15 miles from St. Louis, MO
21
Tornado reports
Sources: NOAA/NWS Storm Prediction Center reports; damage surveys from the NWS Damage Assessment Toolkit

Hail, inches

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

Dots: reports.

  • Wind report
  • Tornado and its path
  • Surveyed tornado path

Source: NOAA/NWS Storm Prediction Center, final severe weather database (from NOAA's Storm Data). Report day: 12:00 UTC on April 22, 2011 to 12:00 UTC the next day. Times are Central.

Select a dot or a path for the report. NWS survey teams walked the shaded paths after the storm; each is drawn at the widest width they found, so it can look wider than the damage at any one spot.

What happened

Just before 8 p.m. local time on April 22, an EF4 tornado touched down at Creve Coeur Lake and moved east about 21 miles across St. Louis County, Missouri, the northern tip of the city of St. Louis and Madison County, Illinois.1,2 It passed through Maryland Heights, Bridgeton, St. Ann, Berkeley and Ferguson, and reached EF4 strength in Bridgeton.2 The National Weather Service counted 2,700 structures damaged, including 251 homes heavily damaged or destroyed. There were no deaths.2 In St. Louis County, 233 homes and businesses had major damage, 776 moderate damage and 1,487 minor damage. NOAA lists $250 million in property damage there.1 Around 9 p.m., the same storm produced an EF2 tornado with 130 mph winds that tracked 19 miles from near Highland, Illinois, destroying farm buildings.2

Earlier, about 5:25 p.m. CST, baseball to grapefruit size hail fell near Big Spring in Montgomery County, Missouri, and softball size hail up to 4.5 inches fell around Warrenton at 5:44 p.m. CST.3,4 Near Poole in Webster County, Kentucky, an EF2 tornado with 125 mph winds took the roofs off three homes, damaged or destroyed garages and destroyed grain bins and barns shortly before 10 p.m. CST.5

Sources

  1. 1. NOAA NCEI Storm Events Database: Storm Events Database: Event 317910, tornado, St. Louis County, Missouri
  2. 2. NWS St. Louis: April 22, 2011 Tornadoes
  3. 3. NOAA NCEI Storm Events Database: Storm Events Database: Event 317246, hail, Montgomery County, Missouri
  4. 4. NOAA NCEI Storm Events Database: Storm Events Database: Event 317252, hail, Warren County, Missouri
  5. 5. NOAA NCEI Storm Events Database: Storm Events Database: Event 289466, tornado, Webster County, Kentucky

Reports by hour

Hail247, most at 6 PM

Wind35, most at 9 PM

Tornado21, most at 7 PM

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

Every report

Source: NOAA/NWS Storm Prediction Center.

TimeRatingWherePath
6:03 PMEF0About 47 miles from Tulsa, OK0.5 mi long, 150 yd wide
6:16 PMEF0About 38 miles from Fayetteville, AR0.1 mi long, 50 yd wide
6:41 PMEF0About 26 miles from Fayetteville, AR0.1 mi long, 50 yd wide
7:05 PMEF0About 20 miles from Fayetteville, AR0.1 mi long, 50 yd wide
7:17 PMEF1About 38 miles from St. Louis, MO7.35 mi long, 250 yd wide
7:18 PMEF1About 43 miles from Fayetteville, AR1 mi long, 200 yd wide
7:19 PMEF0About 45 miles from Tulsa, OK0.5 mi long, 100 yd wide
7:21 PMEF0About 21 miles from Fayetteville, AR0.1 mi long, 50 yd wide
7:45 PMEF0About 30 miles from Norman, OK0.5 mi long, 150 yd wide
7:59 PMEF1About 31 miles from Norman, OK0.2 mi long, 30 yd wide
7:59 PMEF4About 15 miles from St. Louis, MO21.3 mi long, 880 yd wide
8:02 PMEF0About 34 miles from Norman, OK0.4 mi long, 50 yd wide
Show all 21 tornado reports
TimeRatingWherePath
8:10 PMEF1Near 37.07, -90.56, MO2.07 mi long, 300 yd wide
8:14 PMEF0About 56 miles from Tulsa, OK0.1 mi long, 50 yd wide
8:50 PMEF2About 20 miles from St. Louis, MO3.52 mi long, 90 yd wide
8:55 PMEF2About 29 miles from St. Louis, MO18.19 mi long, 700 yd wide
9:02 PMEF1About 22 miles from St. Louis, MO1.75 mi long, 80 yd wide
10:50 PMEF2About 32 miles from Evansville, IN15.51 mi long, 300 yd wide
11:27 PMEF0About 20 miles from Evansville, IN0.2 mi long, 40 yd wide
12:35 AMEF0About 53 miles from Louisville, KY3.79 mi long, 50 yd wide
5:09 AMEF0About 24 miles from Lexington, KY0.53 mi long, 75 yd wide

By state

StateReportsHailWindTornado
Missouri1089873
Oklahoma1038698
Illinois352663
Kentucky201073
Indiana12831
Arkansas9513
Texas7700
Ohio5410
Georgia4310

Cities with reports nearby

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

CityLargest hailHighest gustTornado reports
Tulsa, OK2.5 in64 mph0
Wichita Falls, TX2.25 inNone0
Norman, OK2.0 inNone0
Springfield, MO1.75 in60 mph0
St. Louis, MO1.25 inNone1
Lexington, KY1.0 inNone0
Savannah, GA1.0 inNone0
Fort Wayne, IN0.88 inNone0
Huntington, WVNone58 mph0

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