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Storm reports for April 27, 2011

NOAA recorded 203 hail reports, 333 wind reports and 176 tornado reports in 21 states on April 27, 2011.

in 21 states
712
Storm reports
About 55 miles from Memphis, TN
4.0 in
Largest hail
About 34 miles from Binghamton, NY
100 mph
Highest gust
Highest rating EF5, near 32.80, -89.11, MS
176
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 27, 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

Storm survey teams confirmed 122 tornadoes that afternoon and evening in the areas covered by six NWS offices in Tennessee, Mississippi, Alabama and Georgia. Eleven were rated EF4 and four were rated EF5.1 The NWS in Birmingham rated the tornado that hit Hackleburg in Marion County, Alabama, EF5 with peak winds of 210 mph.2 Another tornado, rated EF4 with 190 mph winds, tracked about 81 miles across Greene, Tuscaloosa and Jefferson counties. The Birmingham office lists 65 deaths and 1,500 injuries along its path.2 Earlier, hail 4 inches across fell near Batesville, Mississippi, at 12:10 p.m. CST.3

The storms moved into Georgia in the late evening. The NWS office in Peachtree City counted 15 tornadoes and 15 tornado deaths in north and central Georgia.4 One of those tornadoes was rated EF4.4 At 12:01 a.m. EST on April 28, an EF3 tornado with 140 mph winds crossed Interstate 81 at Glade Spring, Virginia. It killed three people and injured 50.5

The NWS service assessment ties 313 deaths to the afternoon and evening tornadoes of April 27.1 For the April 27 outbreak as a whole, including storms before dawn, it lists more than 2,400 injuries and over $4.2 billion in damage.1

Sources

  1. 1. National Weather Service: Service Assessment: The Historic Tornadoes of April 2011
  2. 2. NWS Birmingham: Historic Outbreak of April 27, 2011
  3. 3. NOAA NCEI Storm Events Database: Storm Events Database: Event 303000, hail, Panola County, Mississippi
  4. 4. NOAA NCEI Storm Events Database: Storm Events Database: Event 306844, tornado, Henry County, Georgia
  5. 5. NOAA NCEI Storm Events Database: Storm Events Database: Event 298380, tornado, Washington County, Virginia

Reports by hour

Hail203, most at 5 PM

Wind333, most at 9 PM

Tornado176, most at 8 PM

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

Every report

Source: NOAA/NWS Storm Prediction Center.

TimeRatingWherePath
7:02 AMEF1Near 36.64, -85.52, KY5.94 mi long, 550 yd wide
7:10 AMEF2About 42 miles from Chattanooga, TN5.75 mi long, 200 yd wide
7:18 AMEF1About 37 miles from Chattanooga, TN4.05 mi long, 50 yd wide
7:40 AMEF1About 22 miles from Chattanooga, TN9.9 mi long, 100 yd wide
7:45 AMEF2About 23 miles from Chattanooga, TN2 mi long, 150 yd wide
7:47 AMEF0Near 36.00, -85.11, TN5.6 mi long, 100 yd wide
7:55 AMEF1About 7 miles from Chattanooga, TN0.7 mi long, 80 yd wide
7:55 AMEF2About 8 miles from Chattanooga, TN2.3 mi long, 500 yd wide
7:56 AMEF1About 4 miles from Chattanooga, TN2.5 mi long, 250 yd wide
8:03 AMEF0About 6 miles from Chattanooga, TN0.5 mi long, 100 yd wide
8:04 AMEF1About 6 miles from Chattanooga, TN2.2 mi long, 200 yd wide
8:37 AMEF1About 24 miles from Chattanooga, TN0.6 mi long, 100 yd wide
Show all 176 tornado reports
TimeRatingWherePath
8:53 AMEF0About 13 miles from Dayton, OH1.31 mi long, 200 yd wide
11:15 AMEF0About 27 miles from Huntsville, AL7.19 mi long, 150 yd wide
11:20 AMEF1About 23 miles from Huntsville, AL8.95 mi long, 75 yd wide
11:23 AMEF0About 20 miles from Huntsville, AL4.06 mi long, 50 yd wide
11:30 AMEF1About 11 miles from Huntsville, AL4.7 mi long, 200 yd wide
11:35 AMEF1About 9 miles from Huntsville, AL3.09 mi long, 100 yd wide
11:39 AMEF1About 8 miles from Huntsville, AL20.61 mi long, 200 yd wide
11:50 AMEF1About 8 miles from Huntsville, AL7.6 mi long, 500 yd wide
11:55 AMEF0About 16 miles from Huntsville, AL3.51 mi long, 100 yd wide
1:36 PMEF3Near 34.21, -89.57, MS13.57 mi long, 440 yd wide
2:02 PMEF1About 10 miles from Chattanooga, TN17 mi long, 120 yd wide
2:15 PMEF0About 22 miles from Chattanooga, TN1.78 mi long, 50 yd wide
2:26 PMEF1About 21 miles from Chattanooga, TN2.2 mi long, 80 yd wide
2:26 PMEF1About 24 miles from Chattanooga, TN4.9 mi long, 80 yd wide
2:28 PMEF0Near 34.59, -88.83, MS0.4 mi long, 25 yd wide
2:30 PMEF5Near 32.80, -89.11, MS28.28 mi long, 900 yd wide
2:36 PMEF0About 21 miles from Chattanooga, TN2 mi long, 150 yd wide
2:40 PMEF4About 40 miles from Birmingham, AL46.88 mi long, 880 yd wide
2:48 PMEF3Near 33.71, -89.32, MS51.45 mi long, 1320 yd wide
2:50 PMEF0Near 34.77, -88.51, MS2.32 mi long, 50 yd wide
2:55 PMEF0About 60 miles from Memphis, TN0.26 mi long, 50 yd wide
2:59 PMEF0Near 34.32, -88.88, MS1.02 mi long, 75 yd wide
3:01 PMEF2About 58 miles from Memphis, TN1.23 mi long, 200 yd wide
3:04 PMEF0About 35 miles from Knoxville, TN2.3 mi long, 100 yd wide
3:05 PMEF5Near 34.10, -88.15, AL132 mi long, 2200 yd wide
3:08 PMEF1About 57 miles from Memphis, TN1.6 mi long, 250 yd wide
3:11 PMEF2About 25 miles from Jackson, MS10.46 mi long, 440 yd wide
3:15 PMEF0Near 36.63, -90.42, MO2.2 mi long, 40 yd wide
3:17 PMEF0About 57 miles from Memphis, TN0.59 mi long, 75 yd wide
3:17 PMEF0About 49 miles from Memphis, TN1.58 mi long, 25 yd wide
3:18 PMEF1About 58 miles from Tuscaloosa, AL8.32 mi long, 500 yd wide
3:40 PMEF4About 38 miles from Tuscaloosa, AL127.8 mi long, 1408 yd wide
3:42 PMEF5Near 34.05, -88.44, MS37.3 mi long, 1320 yd wide
3:47 PMEF3About 60 miles from Tuscaloosa, AL23.74 mi long, 1056 yd wide
3:49 PMEF1About 36 miles from Knoxville, TN3.4 mi long, 100 yd wide
4:01 PMEF4About 40 miles from Huntsville, AL46.98 mi long, 1260 yd wide
4:10 PMEF0Near 37.18, -89.71, MO0.2 mi long, 40 yd wide
4:27 PMEF3About 33 miles from Jackson, MS8.87 mi long, 440 yd wide
4:40 PMEF1Near 34.81, -88.79, MS2.13 mi long, 100 yd wide
4:40 PMEF1About 10 miles from Huntsville, AL1.42 mi long, 75 yd wide
4:43 PMEF4About 27 miles from Tuscaloosa, AL80.68 mi long, 2600 yd wide
4:44 PMEF0Near 39.08, -87.40, IN0.05 mi long, 20 yd wide
4:53 PMEF1About 14 miles from Huntsville, AL14.62 mi long, 75 yd wide
5:03 PMEF1About 4 miles from Chattanooga, TN3.8 mi long, 125 yd wide
5:05 PMEF4About 42 miles from Chattanooga, TN20.24 mi long, 1320 yd wide
5:08 PMEF3Near 32.29, -89.18, MS10.27 mi long, 440 yd wide
5:10 PMEF3About 60 miles from Tuscaloosa, AL31.84 mi long, 1320 yd wide
5:11 PMEF2Near 35.02, -88.27, TN3.84 mi long, 200 yd wide
5:12 PMEF0About 10 miles from Chattanooga, TN0.1 mi long, 70 yd wide
5:13 PMEF1About 9 miles from Chattanooga, TN4 mi long, 90 yd wide
5:14 PMEF1About 9 miles from Chattanooga, TN3.6 mi long, 200 yd wide
5:15 PMEF0About 33 miles from Washington, DC3.32 mi long, 50 yd wide
5:21 PMEF2About 23 miles from Chattanooga, TN10 mi long, 800 yd wide
5:26 PMEF0Near 41.72, -77.99, PA1.85 mi long, 25 yd wide
5:28 PMEF2About 17 miles from Chattanooga, TN27.95 mi long, 250 yd wide
5:30 PMEF3About 53 miles from Tuscaloosa, AL72.13 mi long, 1760 yd wide
5:42 PMEF4About 46 miles from Jackson, MS122.04 mi long, 1050 yd wide
5:45 PMEF0Near 32.42, -88.81, MS11.52 mi long, 100 yd wide
5:55 PMEF1About 46 miles from Lynchburg, VA5.54 mi long, 100 yd wide
6:00 PMEF0About 30 miles from Chattanooga, TN1.16 mi long, 50 yd wide
6:00 PMEF0About 42 miles from Chattanooga, TN2.3 mi long, 50 yd wide
6:06 PMEF0About 11 miles from Washington, DC0.39 mi long, 75 yd wide
6:06 PMEF3About 43 miles from Tuscaloosa, AL7.96 mi long, 880 yd wide
6:07 PMEF0About 27 miles from Chattanooga, TN0.75 mi long, 110 yd wide
6:08 PMEF2About 50 miles from Knoxville, TN10.5 mi long, 200 yd wide
6:10 PMEF1About 45 miles from Knoxville, TN11.4 mi long, 200 yd wide
6:12 PMEF0About 10 miles from Washington, DC0.73 mi long, 50 yd wide
6:16 PMEF0About 9 miles from Washington, DC0.39 mi long, 100 yd wide
6:19 PMEF5About 45 miles from Huntsville, AL33.66 mi long, 1320 yd wide
6:25 PMEF1About 22 miles from Richmond, VA2.1 mi long, 100 yd wide
6:28 PMEF4About 17 miles from Birmingham, AL97.33 mi long, 1760 yd wide
6:31 PMEF4About 31 miles from Knoxville, TN14.45 mi long, 1320 yd wide
6:35 PMEF0About 47 miles from Knoxville, TN0.7 mi long, 20 yd wide
6:35 PMEF0About 23 miles from Chattanooga, TN1 mi long, 50 yd wide
6:50 PMEF1About 29 miles from Chattanooga, TN2.97 mi long, 100 yd wide
6:50 PMEF1About 27 miles from Tuscaloosa, AL8.62 mi long, 300 yd wide
7:00 PMEF0About 25 miles from Knoxville, TN1 mi long, 50 yd wide
7:04 PMEF1Near 42.21, -77.20, NY4.62 mi long, 150 yd wide
7:09 PMEF0About 32 miles from Huntsville, AL1.19 mi long, 100 yd wide
7:09 PMEF0About 13 miles from Knoxville, TN6.5 mi long, 200 yd wide
7:15 PMEF4About 14 miles from Chattanooga, TN48 mi long, 800 yd wide
7:32 PMEF1About 31 miles from Birmingham, AL5.41 mi long, 50 yd wide
7:38 PMEF2About 43 miles from Lynchburg, VA18.1 mi long, 350 yd wide
7:46 PMEF0About 35 miles from Knoxville, TN3.3 mi long, 50 yd wide
7:55 PMEF1About 28 miles from Richmond, VA0.24 mi long, 100 yd wide
7:57 PMEF1About 4 miles from Knoxville, TN1 mi long, 50 yd wide
8:06 PMEF0About 15 miles from Knoxville, TN0.5 mi long, 50 yd wide
8:06 PMEF4About 21 miles from Chattanooga, TN40.16 mi long, 880 yd wide
8:07 PMEF0About 35 miles from Kingsport, TN0.5 mi long, 70 yd wide
8:11 PMEF0About 29 miles from Knoxville, TN0.3 mi long, 50 yd wide
8:12 PMEF4About 19 miles from Montgomery, AL44.18 mi long, 880 yd wide
8:15 PMEF1About 26 miles from Birmingham, AL8.59 mi long, 200 yd wide
8:18 PMEF0About 46 miles from Knoxville, TN0.9 mi long, 50 yd wide
8:20 PMEF3About 43 miles from Atlanta, GA23.05 mi long, 880 yd wide
8:20 PMEF1About 45 miles from Knoxville, TN11 mi long, 200 yd wide
8:22 PMEF0About 46 miles from Knoxville, TN1.75 mi long, 50 yd wide
8:24 PMEF0About 26 miles from Knoxville, TN0.8 mi long, 50 yd wide
8:25 PMEF1About 46 miles from Knoxville, TN12.5 mi long, 200 yd wide
8:28 PMEF1About 48 miles from Chattanooga, TN1.5 mi long, 75 yd wide
8:29 PMEF2About 18 miles from Kingsport, TN8.8 mi long, 150 yd wide
8:31 PMEF0About 35 miles from Knoxville, TN1.1 mi long, 200 yd wide
8:33 PMEF1About 37 miles from Knoxville, TN7.1 mi long, 150 yd wide
8:35 PMEF2About 33 miles from Knoxville, TN16.9 mi long, 440 yd wide
8:43 PMEF0About 26 miles from Knoxville, TN3.8 mi long, 100 yd wide
8:50 PMEF1About 49 miles from Tuscaloosa, AL4.24 mi long, 100 yd wide
9:04 PMEF0About 21 miles from Kingsport, TN0.5 mi long, 50 yd wide
9:05 PMEF2About 53 miles from Chattanooga, TN6.47 mi long, 250 yd wide
9:13 PMEF1About 33 miles from Kingsport, TN3.9 mi long, 100 yd wide
9:19 PMEF1About 43 miles from Columbus, GA5.24 mi long, 150 yd wide
9:28 PMEF0About 16 miles from Knoxville, TN1 mi long, 50 yd wide
9:28 PMEF2About 22 miles from Chattanooga, TN4.5 mi long, 250 yd wide
9:29 PMEF1About 43 miles from Columbus, GA5.01 mi long, 100 yd wide
9:30 PMEF3Near 34.67, -83.94, GA36.99 mi long, 900 yd wide
9:32 PMEF0About 37 miles from Asheville, NC2.4 mi long, 40 yd wide
9:37 PMEF1About 33 miles from Asheville, NC1.2 mi long, 150 yd wide
9:45 PMEF0About 31 miles from Asheville, NC0.07 mi long, 50 yd wide
9:45 PMEF1About 45 miles from Columbus, GA17.02 mi long, 100 yd wide
9:46 PMEF1About 35 miles from Washington, DC5.78 mi long, 125 yd wide
9:47 PMEF0About 35 miles from Asheville, NC2.3 mi long, 300 yd wide
9:48 PMEF0About 34 miles from Montgomery, AL1.91 mi long, 50 yd wide
9:51 PMEF3About 35 miles from Asheville, NC15.8 mi long, 1500 yd wide
9:58 PMEF1Near 38.30, -80.53, WV0.98 mi long, 100 yd wide
10:18 PMEF0About 34 miles from Knoxville, TN0.3 mi long, 50 yd wide
10:20 PMEF2About 33 miles from Columbus, GA6.73 mi long, 440 yd wide
10:25 PMEF0About 18 miles from Washington, DC1.12 mi long, 75 yd wide
10:45 PMEF2About 32 miles from Kingsport, TN12 mi long, 250 yd wide
10:55 PMEF2About 21 miles from Columbus, GA24.5 mi long, 1320 yd wide
10:59 PMEF3About 42 miles from Atlanta, GA21.68 mi long, 880 yd wide
11:05 PMEF1About 49 miles from Kingsport, TN0.5 mi long, 200 yd wide
11:13 PMEF1About 57 miles from Kingsport, TN0.41 mi long, 300 yd wide
11:31 PMEF0About 55 miles from Greenville, SC0.24 mi long, 30 yd wide
11:38 PMEF3About 46 miles from Columbus, GA30.82 mi long, 1056 yd wide
11:40 PMEF3About 30 miles from Kingsport, TN13.6 mi long, 1000 yd wide
12:01 AMEF3About 34 miles from Kingsport, TN19.63 mi long, 1320 yd wide
12:11 AMEF1About 44 miles from Atlanta, GA25.21 mi long, 880 yd wide
12:23 AMEF2About 41 miles from Binghamton, NY0.86 mi long, 300 yd wide
12:27 AMEF0About 44 miles from Hagerstown, MD0.55 mi long, 75 yd wide
12:35 AMEF0About 40 miles from Hagerstown, MD0.55 mi long, 75 yd wide
12:39 AMEF0About 35 miles from Roanoke, VA1.62 mi long, 125 yd wide
12:41 AMEF1About 36 miles from Binghamton, NY2.06 mi long, 150 yd wide
1:12 AMEF2Near 38.65, -78.96, VA33.51 mi long, 400 yd wide
1:17 AMEF1About 54 miles from Lynchburg, VA4.01 mi long, 150 yd wide
1:20 AMEF1About 45 miles from Hagerstown, MD2.85 mi long, 50 yd wide
1:50 AMEF1Near 33.23, -83.31, GA6.74 mi long, 200 yd wide
1:53 AMEF1About 38 miles from Harrisburg, PA8.46 mi long, 100 yd wide
2:01 AMEF1Near 38.50, -78.84, VA0.86 mi long, 50 yd wide
2:20 AMEF2About 32 miles from Binghamton, NY7.37 mi long, 400 yd wide
2:22 AMEF1About 10 miles from Hickory, NC4.45 mi long, 100 yd wide
2:33 AMEF1About 12 miles from Hickory, NC4.32 mi long, 75 yd wide
2:39 AMEF1About 40 miles from Augusta, GA7.76 mi long, 440 yd wide
2:45 AMEF0About 55 miles from Hagerstown, MD4.28 mi long, 175 yd wide
2:55 AMEF1Near 38.39, -78.86, VA2.63 mi long, 150 yd wide
2:58 AMEF1About 25 miles from Binghamton, NY3.39 mi long, 150 yd wide
3:58 AMEF1About 28 miles from Utica, NY3.47 mi long, 100 yd wide
4:04 AMEF1About 6 miles from Utica, NY2.88 mi long, 250 yd wide
4:50 AMEF0About 24 miles from Scranton, PA1.03 mi long, 80 yd wide
4:50 AMEF1Near 30.83, -85.18, FL3.03 mi long, 150 yd wide
4:55 AMEF2About 12 miles from Harrisburg, PA2.62 mi long, 100 yd wide
5:20 AMEF1About 15 miles from Harrisburg, PA1.92 mi long, 100 yd wide
5:30 AMEF2About 19 miles from Harrisburg, PA1.07 mi long, 200 yd wide
5:45 AMEF0About 28 miles from Washington, DC0.76 mi long, 50 yd wide
6:37 AMEF0About 27 miles from Baltimore, MD0.66 mi long, 50 yd wide
6:37 AMEF1About 25 miles from Columbia, SC4.68 mi long, 440 yd wide
6:50 AMEF1About 30 miles from Columbia, SC10.75 mi long, 220 yd wide

By state

StateReportsHailWindTornado
Tennessee155514658
Virginia91403318
Alabama70211633
Georgia53132713
Pennsylvania524417
Mississippi42161016
Kentucky415351
New York391317
North Carolina3812224
West Virginia317231
Ohio261241
Arkansas251744
Maryland14077
Missouri14842
South Carolina11272
Florida3201
Illinois2200
New Jersey2020
Indiana1001
Michigan1010
Oklahoma1100

Cities with reports nearby

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

CityLargest hailHighest gustTornado reports
Kingsport, TN2.75 in69 mph0
Knoxville, TN2.75 in70 mph2
Chattanooga, TN2.5 in69 mph11
Augusta, GA1.75 in63 mph0
Huntsville, AL1.75 in81 mph6
Memphis, TN1.75 inNone0
Lynchburg, VA1.25 inNone0
Greensboro, NC1.0 in58 mph0
Harrisburg, PA1.0 in58 mph2
Winston-Salem, NC1.0 inNone0
Akron, OHNone60 mph0
Albany, NYNone58 mph0
Binghamton, NYNone69 mph0
Cincinnati, OHNone58 mph0
Cleveland, OHNone59 mph0
Columbia, SCNone63 mph0
Columbus, OHNone64 mph0
Dayton, OHNone70 mph1
Durham, NCNone58 mph0
Hickory, NCNoneNone2
Philadelphia, PANone58 mph0
Scranton, PANone81 mph0
Toledo, OHNone58 mph0
Utica, NYNone69 mph1
Washington, DCNoneNone3
York, PANone58 mph1

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