April 27-28 Tornado Outbreak


Notes:
  • Thanks to David Ewoldt, Greg Carbin and others at SPC for the collaboration.
  • This mapping is preliminary and approximate! Investigation continues in many areas of damage and this mapping will change!
  • This mapping does not include the tornadoes that occurred the morning of April 27.
  • There are no guarantees that I have the tornadoes on the table below matched to the right storm as I have not had a chance to do a full radar evaluation. And the storm names are in no way any kind of official designation - they're mainly to help me keep things organized.

    Table Updates:

  • 5/4 4 pm: updated tornadoes
  • 5/4 5 pm: added some prelim fatality data in coordinating with Carbin/SPC
  • 5/5 1 am: updated Cordova AL path, added 14 tornadoes (2 AL, 1 AL/TN, 4 MD, 1 NY, 4 TN, 2 VA)
  • 5/6 : upgraded Philadelphia MS to EF5. Updating storm associations. Removed 4 TN and 1 AL tornado that were determined to be 4/27 morning tornadoes, and 1 TN tornado believed to be a duplicate.
  • 5/6: Added 4 tornadoes (1 in MS with Smithville storm, 2 in AL with Dadeville storm, 1 in Hamblen Co TN)

    Other maps:

  • Mid-Atlantic map

    DateTime (CDT) RatingFat. Counties Path Source/ Notes
    Smithville MS storm
    4/27/2011248-250 pm EF1 Webster 3.5 - 5 NNE Bellefontaine PNSJAN 5/6 151 pm
    4/27/2011304 pm EF3 7 Chickasaw MS/ Monroe MS County Road 69 in Chickasaw County - Bigbee PNSMEG 4/29 1119 pm. 3 fatalities in Chickasaw Co, 4 in Monroe County
    4/27/2011344-420 pmÉ EF5 14 Monroe MS/ Itawamba MS/ Marion AL/ Franklin AL Smithville MS - near Shottsville AL - S of Hodges AL PNSMEG 5/2 755 am, PNSBMX 5/1 115 am, PNSHUN 4/28 1019 pm.
    Bowman AR storm
    4/27/2011256 pm EF0 Craighead AR 5 S Jonesboro PNSMEG 5/1 1014 am
    4/27/2011301 pm EF2 Craighead AR near Bay PNSMEG 5/1 1014 am
    4/27/2011308 pm EF1 Craighead AR 2 S Bowman - Bowman PNSMEG 5/1 1014 am
    4/27/2011317 pm EF0 Craighead AR 2 NE Black Oak - 1 SW Monette PNSMEG 5/1 1014 am
    Philadelphia MS storm
    4/27/2011230-300 pm EF5 3 Neshoba/ Kemper/ Winston/ Noxubee MS 1 N Philadelphia - 6 SE Mashulaville PNSJAN 5/5 330 pm
    4/27/2011318-329 pm EF1 Noxubee MS 3.6 NE Macon - 4.5 W Bigbee Valley PNSJAN 5/2 400 pm
    Water Valley/Oxford MS storm
    4/27/2011139 pm EF3 Lafayette MS S of Oxford PNSMEG 4/29 1119 pm
    4/27/2011250 pm EF0 Alcorn MS near Rienzi PNSMEG 4/29 1119 p
    Cullman AL storm
    4/27/2011 EF4 6 Cullman/ Morgan/ Marshall AL Smith Lake - Cullman - Hulaco - Union Grove PNSHUN 4/30 1023 pm
    4/27/2011 (GA 435-457 pm) EF4 13 or 14 Jackson AL/ DeKalb AL/ Dade GA/ Walker GA 3 NE Section - near Flat Rock and Higdon - Shiloh AL - 5 SW Trenton GA - just W of Fort Oglethorpe GA PNSHUN 5/1 955 pm; PNSFFC 5/1 507 pm.
    4/27/2011516 pm EF1 Hamilton TN near East Ridge PNSMRX 4/29 1050 pm
    4/27/2011530 pm EF1 Bradley TN near Cleveland PNSMRX 4/29 1053 pm
    Endville MS storm
    4/27/2011257 pm EF0 Pontotoc MS near Endville PNSMEG 4/29 1119 pm
    Florence MS storm
    4/27/2011311-324 pm EF2 Copiah/ Hinds MS 5 NW Crystal Springs - 2 SSW Terry PNSJAN 4/29 946 pm
    Scooba MS storm
    4/27/2011347-357 pm EF2 Kemper MS/ Sumter AL/ Pickens AL 1.9 NE - 9 NE Scooba MS - into Sumter and Pickens County PNSJAN 4/29 946 pm; PNSBHM 5/1 115 am.
    Haleyville AL storm
    4/27/2011 EF3 6 Marion/ Winston AL S of Hamilton - Pea Ridge - Whitehouse - Thornhill - Haleyville ( - into HSV area?) PNSBMX 5/1 115 am.
    Tuscaloosa - Birmingham AL storm
    4/27/2011443-614 pm EF4 59 Greene/ Tuscaloosa/ Jefferson AL 3 NNW Union - Tuscaloosa - Pleasant Grove - Birmingham (north) - 3 NE Fultondale PNSBMX 5/1 115 am
    4/27/2011623-811 pm EF4 23 Jefferson AL/ St. Clair AL/ Calhoun AL/ Etowah AL/ Cherokee AL/ Polk GA/ Floyd GA/ Bartow GA near Argo - Shoal Creek - Neely Henry Lake - S of Forney AL - 6 SW Cave Springs GA - 4 SW Kingston PNSBMX 5/3 1015 am; PNSFFC 5/1 507 pm
    4/27/2011820-845 pm EF3 Bartow/ Cherokee/ Pickens GA 5 NE Kingston - 7 W Jasper PNSFFC 5/1 507 pm.
    4/27/2011930-950 pm EF2 Lumpkin/ White GA 5 ESE Suches - 7 NNE Helen PNSFFC 5/2 530 pm. FFC says into Habersham County
    4/27/201110 pm EF2 Habersham GA 4 N Batesville PNSGSP 4/29 1028 pm. probably in from White Co and into Rabun County.
    4/27/20111000-1035 pm EF3 1 Rabun GA Lake Burton - Mountain City PNSGSP 4/28 1113 pm. probably in from Habersham County.
    Reform-Cordova-Rainesville AL storm
    4/27/2011359-550 pm EF4 13 Pickens/ Tuscaloosa/ Fayette/ Walker/ Cullman/ Blount AL 3 NE Pickensville - Cordova - Blountsville - (into Marshall County?) PNSBMX 5/3 941 am; PNSHUN 5/1 834 pm
    4/27/2011 EF4 33 DeKalb AL/ Dade GA Lakeview - Fyffe - Rainesville - Sylvania - Blake - Cartersville AL - near Rising Fawn GA PNSHUN 4/29 1120 pm; PNSFFC 5/1 507 pm
    4/27/2011715 pm EF4 23 Catoosa GA/ Hamilton TN/ Bradley TN/ Polk TN SW of Ringgold GA - Ringgold GA - Coahutta - into Tennessee (with an unknown specific path) PNSFFC 5/1 507 pm; PNSMRX 4/28 1045 pm
    Newton MS storm
    4/27/2011327-338 pm EF3 Smith MS 3.6 S Polkville - 2.6 N Burns PNSJAN 4/29 946 pm
    4/27/2011508-522 pm EF3 Newton MS 2 S Newton - 2 N Hickory PNSJAN 4/29 946 pm
    4/27/2011545-549 pm EF0 Lauderdale MS 7.5 NW - 9 N Meridian PNSJAN 4/29 946 pm
    Rose Hill-Enterprise MS storm
    4/27/2011542-840 pm EF4 7 Smith MS/ Jasper MS/ Clarke MS/ Choctaw AL/ Sumpter AL/ Marengo AL/ Perry AL 1 ESE Raleigh MS - Enterprise - 4.5 NE Snell MS - Faunsdale AL PNSJAN 4/29 946 pm; PNSMOB 4/28 948 pm; PNSBMX 5/3 941 am
    Eoline AL storm
    4/27/2011530-655 pm EF3 7 Greene/ Hale/ Bibb AL Just W of Tishabee - Sawyerville - Eoline - Marvel PNSBMX 5/1 115 am
    4/27/2011755-759 pm EF0 St. Clair AL E of Pell City PNSBMX 5/1 930 am
    Hackleburg - Phil Campbell AL storm
    4/27/2011305 pm- EF5 72 Marion/ Franklin/ Lawrence/ Morgan/ Limestone/ Madison AL/ Franklin TN SW of Hamilton - Hackleburg - Phil Campbell - near Mt. Hope - Langtown - Tanner - S of Huntland TN PNSBMX 5/1 115 am; PNSHUN 5/1 959 pm
    4/27/2011600 pm EF0 Grundy TN 3 SE Altamont > 1 mile pnsohx 5/3 540 pm
    Bridgeport AL storm
    4/27/2011505-525 pm EF4 Jackson AL/ Marion TN just NE of Fackler AL - Bridgeport AL - near Haletown TN - near Dixie Hwy and Tenn Rvr pnshun 5/3 647 pm, pnsmrx 5/4 1022 am
    Logan Martin Lake AL Storm
    4/27/2011650-659 pm EF1 Hale/ Bibb AL 2 SW Wateroak - 2 SW Mertz PNSBMX 5/1 115 am.
    4/27/2011732-738 pm EF1 Bibb/ Shelby AL NE Bibb Co - SW Shelby Co pnsbmx 5/4 140 pm
    4/27/2011817-824 pm EF1 Shelby/ Talladega AL S of Vincent - Logan Martin Lake area pnsbmx 5/4 633 pm
    Madison AL storm
    4/27/2011(Est 5 pm) EF1 Limestone/ Madison AL Rural E Limestone County - Madison PNSHUN 5/1 832 pm. Estimated time by Speg per radar
    Dadeville AL storm
    4/27/2011812-909 pm EF4 9 Elmore/ Tallapoosa/ Chambers AL Dexter - Lake Martin - Wyndermere - near Sikes PNSBMX 5/1 1051 pm
    4/27/2011919-928 pm EF1 Chambers AL near White Plains PNSBMX 5/6 714 pm
    4/27/2011 EF1 Chambers AL near Finley Creek PNSBMX 5/6 714 pm
    4/27/2011945-1010 pm EF1 Troup/ Heard/ Coweta GA 3 W Hilcrest - 5 NW Grantville PNSFFC 5/1 507 pm
    Sunnyside GA storm
    4/27/20111020-1030 pm EF2 Troup GA 5 S LaGrange - 6 SSE LaGrange PNSFFC 5/1 507 pm
    4/27/20111103-1128 pm EF3 1 Meriwether/ Spalding/ Henry GA 6 NE Guy - 2 S Hampton PNSFFC 5/1 507 pm
    4/28/20111211-1238 am EF1 Newton/ Morgan/ Greene GA 1 W Newborn - Madison - 6 W Greensboro PNSFFC 5/1 507 pm
    Barnesville GA storm
    4/27/20111050-1125 pm EF2 Harris/ Meriwether/ Upson GA 2 NW Pine Mountain Valley - 9 NW Thomaston PNSFFC 5/1 507 pm
    4/27-28/20111138 pm - 1215 am EF3 2 Pike/ Lamar/ Monroe/ Butts GA 4 S Meansville - Barnesville - SE Butts County PNSFFC 5/1 507 pm
    Flat Rock GA storm
    4/28/2011130-205 am EF1 Putnam/ Hancock GA 8 SE Eatonton - 8 NW Devereux PNSFFC 5/1 507 pm
    4/28/2011239-251 am EF1 Warren GA 4 SW Norwood - 1 NE Camak PNSFFC 5/1 507 pm
    FL tornadoes
    4/28/2011450 am EF1 Jackson FL Marianna Municipal Airport PNSTAE 4/28 357 pm
    MD tornadoes
    4/27/2011616-617 pm EF0 Prince George MD near Andrews AFB and Camp Springs PNSLWX 4/30 7 pm
    4/28/20111227-1228 am EF0 Allegany MD 2 N Town Creek pnslwx 5/4 9 pm
    4/28/20111235 am EF0 Allegany MD 3 NW Green Ridge pnslwx 5/4 9 pm
    4/28/2011545-547 am EF0 Montgomery MD N of Poolsville pnslwx 5/4 9 pm
    4/28/2011646-647 am EF0 Carroll MD 0.7 SE - 0.6 NE Westminster PNSLWX 4/30 7 pm
    4/28/2011709-711 am EF0 Baltimore MD 2 E Hampstead PNSLWX 4/30 7 pm
    4/28/20111020-1023 am EF1 St. Marys MD near Brenton Bay PNSLWX 4/30 7 pm
    4/28/20111041-1043 am EF0 Calvert MD near Lusby pnslwx 5/4 9 pm
    NC tornadoes
    4/27/20111130 pm EF0 Macon NC near Scaly PNSGSP 5/1 118 pm
    4/28/2011220-230 am EF1 Caldwell NC ~6 SE Lenoir (3.6 E Hudson - 6 SW Ellendale) PNSGSP 4/29 221 pm
    4/28/2011235-245 am EF1 Alexander NC ~6 WNW Taylorsville (2.8 SW - 1.9 NE Ellendale) PNSGSP 4/29 220 pm
    NY tornadoes
    4/27/2011704 pm EF1 Steuben NY near Campbell pnsbgm 5/4 726 pm
    4/28/20111225 am EF2 Chemung NY 1.6 WSW - 1.1 WNW Erin PNSBGM 4/28 1011 pm
    4/28/20111240 am EF1 Tompkins NY 1 NE Danby (5.5 SSW - 3.7 S Ithaca) PNSBGM 4/29 1040 am
    4/28/2011200-210 am EF2 Chenango NY 2.2 S Pharsalia - 1.8 NW Kirk PNSBGM 4/29 626 pm
    4/28/2011330 am EF1 Chenango NY near Columbus PNSBGM 5/2 714 pm
    4/28/2011404 am EF1 Herkimer NY Frankfort (5.75 WSW - 4.4 W Frankfort) PNSALY 4/28 429 pm
    PA tornadoes
    4/28/2011130 am EF1 Huntingdon PA near - 4 ENE Broad Top City PNSCTP 4/29 533 pm
    4/28/2011158 am EF0 Juniata PA 1 NE East Waterford - 6.5 SW Port Royal PNSCTP 4/30 740 am
    4/28/2011450-455 am EF0 Susquehanna PA near Herrick (1.3 NW - 0.9 N Union Dale) PNSBGM 4/29 845 pm
    4/28/2011510 am EF2 York PA Roundtop Ski Resort (4 SW - 2.5 WNW Lewisberry) PNSCTP 4/28 812 pm
    4/28/2011525 am EF1 Lebanon PA Palmyra Borough (1 WSW - 1 ENE Palmyra) PNSCTP 4/28 635 pm
    4/28/2011530 am EF2 Lebanon PA 1.1 WNW - 1.7 NE Ono PNSCTP 4/28 818 pm
    SC tornadoes
    4/28/2011640 am EF1 Calhoun SC ~2 SW - 3 ENE Fort Motte CAE web site (5/1 730 am)
    4/28/2011650 am EF1 Sumter SC 5 SSW Millwood > for 12 miles LSRCAE
    4/28/2011711 am EF1 Sumter SC 3 WNW Turbeville > for 2 miles LSRCAE
    TN tornadoes
    4/27/2011510 pm EF2 Hardin TN near Counce PNSMEG 4/29 1119 pm
    4/27/2011600 pm EF0 McMinn TN 2.5 SSW Etowah PNSMRX 5/1 235 pm
    4/27/2011612 pm EF1 Monroe TN between Madisonville and Tellico Plains PNSMRX 4/30 640 pm
    4/27/2011635 pm EF0 Bradley TN just NE of Cleveland PNSMRX 4/30 650 pm
    4/27/2011638 pm EF0 McMinn TN NE part of county PNSMRX 4/30 531 pm
    4/27/2011700 pm EF0 Loudon TN near Greenback PNSMRX 4/30 1017 am
    4/27/2011709 pm EF0 Blount TN 1 NW Maryville PNSMRX 4/29 1012 pm
    4/27/2011735 pm EF4 Blount TN near Chilhowee Lake into western Great Smoky Mountains National Park pnsmrx 5/4 1115 am
    4/27/2011800 pm EF1 Knox TN Knoxville PNSMRX 4/30 100 pm
    4/27/2011824 pm EF2 Monroe TN NW of Tellico Plains PNSMRX 4/30 559 pm
    4/27/2011826 pm EF2 1 Washington TN S of Falls Branch PNSMRX 4/30 331 pm
    4/27/2011829-838 pm EF1 Cocke TN near Newport PNSMRX 4/29 231 pm
    4/27/2011830 pm EF4 4 Sequatchie/ Bledsoe TN SW of Dunlap - New Harmony pnsmrx 5/3 927 am.
    4/27/2011830 pm EF2 Sequatchie TN just E of Dunlap - NE to just short of Bledsoe County line pnsmrx 5/3 927 am
    4/27/2011830 pm EF1 Rhea TN Spring City PNSMRX 4/28 356 pm
    4/27/2011956 pm EF2 5 Greene TN near Camp Creek PNSMRX 4/29 430 pm
    4/27/20111003 pm EF3 Greene TN near Horse Creek PNSMRX 4/29 630 pm
    4/27/20111052 pm EF2 2 Johnson TN Butler - Mountain City PNSMRX 4/29 430 pm
    4/27/20111114 pm EF0 Hamblen TN Panther Creek State Park PNSMRX 5/5 4 pm
    VA tornadoes
    4/27/2011516-522 pm EF0 Prince William VA SE of Triangle pnslwx 5/4 9 pm
    4/27/2011555-605 pm EF1 Prince Edward/ Cumberland VA just E of - 5.5 NNE Farmville PNSAKQ 4/29 850 am
    4/27/2011625-630 pm EF1 Goochland VA Bridgewater Bluff (2 W Oilville) PNSAKQ 4/29 850 pm
    4/27/2011745-808 pm EF2 1 Halifax VA Halifax (9 SW - 5 NE Natahalie) PNSRNK 4/28 550 pm
    4/27/2011755-800 pm EF1 Caroline VA 2.5 W Carmel Church PNSAKQ 4/29 850 am
    4/27/2011915 pm EF0 Washington VA just S of Abington PNSMRX 4/29 353 pm
    4/27/2011947-1001 pm EF1 Prince William VA Nokesville (4.6 SSW Bristow) - Bristow PNSLWX 4/30 7 pm
    4/27/20111025-1028 pm EF0 Fairfax VA 1 E - 1.5 ENE Reston PNSLWX 4/30 7 pm
    4/28/20111215 am EF3 3 Washington VA just S of Abington - near Glade Springs PNSMRX 4/29 334 pm. into Smyth Co?
    4/28/20111215-1220 am EF2 Smyth VA 2.5 NW - 2.5 N Chilhowie PNSRNK 4/30 508 pm. in from Washington Co?
    4/28/2011112-135 am EF2 Rockingham/ Shenandoah VA near Fulks Run - St. Luke (3.1 WSW Fulks Run - 6.7 WSW Strasburg) PNSLWX 4/30 7 pm
    4/28/2011131-136 am EF1 Augusta VA near Christian - near Churchville PNSLWX 4/30 7 pm
    4/28/2011201-202 am EF1 Rockingham VA near Linville (4 NNE - 5 NNE Harrisonburg) PNSLWX 4/30 7 pm
    4/28/2011245-249 am EF0 Shenandoah/ Frederick VA just NE of Strasburg - just N of Middletown PNSLWX 4/30 7 pm
    4/28/2011255-258 am EF1 Rockingham VA near Keezletown (4 S - 3 SE Harrisonburg) PNSLWX 4/30 7 pm
    4/28/2011915-920 am EF1 Hanover VA 4 S Beaverdam pnsakq 5/3 310 pm
    WV tornadoes
    4/27/2011958 pm EF1 Nicholas WV 5 NNE Richwood PNSRLX 4/28 920 pm