Information about tornadoes from each of 3 rounds appears below. 
			Click here to jump to 2nd (Mid Day) Round. Click here to jump to 3rd (Afternoon) Round.
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			The First Round: Tornadoes Embedded Within 
			A Quasi-Linear Convective System
			
			 | 
		
		
			 
			Click on a track in the image below (area highlighted in pink only) for more information concerning that tornado 
			(Note:  For Marshall County: click on the county first for a zoomed in map to access storm survey information)
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			| 
			 Click To Go To Midday Tracks or Afternoon Tracks 
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			| 
			   
			 
			
				
					
						| 4/27/2011 Morning Tornadoes: 4 AM to 8 AM | 
					 
					
						| 
						 Counties 
						 | 
						
						 Damage Rating/ Estimated Max Wind Speed  
						 | 
						
						 Damage path Length/Width 
						 | 
						
						 Starting  Point/Time  
						 | 
						
						  Ending  Point/Time  
						 | 
						
						 Huntsville CWA Fat/Inj 
						 | 
						
						 Total Track Fat/Inj 
						 | 
					 
					
						| Lauderdale,  AL/Wayne, TN  | 
						EF-1 / 110 MPH  | 
						9.19 miles 
						/200 yards | 
						34.9406/-88.0564 
						4:01 AM | 
						35.0081/-87.9086 
						4:11 AM | 
						None | 
						None | 
					 
					
						| Kemper, MS/Noxumbee, MS/Pickens, AL (Cooksville-Dancy) | 
						EF-2 / 125 MPH in WFO JAN | 
						35.16 miles 
						/1410 yards | 
						32.9076/-88.5313 
						4:03 AM | 
						33.1275/-87.9844 
						4:35 AM | 
						NA | 
						None | 
					 
					
						| Lauderdale, AL | 
						EF-1 / 90 MPH  | 
						1.82 miles 
						/200 yards | 
						34.808/-87.878 
						4:19 AM | 
						34.833/-87.868 
						4:23 AM | 
						0/1 | 
						0/1 | 
					 
					
						| Pickens County (Northern Reform)  | 
						EF-2 / 120 MPH  | 
						14.36 miles 
						/1232 yards | 
						33.3007/-88.1496 4:27 AM | 
						33.4445/-87.9699 
						4:42 AM | 
						NA | 
						None | 
					 
					
						| Lincoln, TN/Moore, TN | 
						EF-2 / 115 MPH  | 
						25.85 
						/400 yards | 
						35.0022/-86.6981 
						4:38 AM | 
						35.2683/-86.374 
						5:06 AM | 
						None | 
						None | 
					 
					
						| Pickens, AL/Tuscaloosa, AL  (Holman) | 
						EF-3 / 140 MPH  | 
						22.46 miles 
						/704 yards | 
						33.2448/-87.8817 4:41 AM | 
						33.4268/-87.5605 
						5:02 AM | 
						NA | 
						None | 
					 
					
						| Fayette, AL  (Berry) | 
						EF-1 / 100 MPH  | 
						7.28 miles 
						/176 yards | 
						33.6325/-87.6488 5:03 AM | 
						33.6943/-87.5462 
						5:11 AM | 
						NA | 
						0/4 | 
					 
					
						| Tuscaloosa, AL/Jefferson, AL (Coaling) | 
						EF-3 / 155 MPH  | 
						20.26 miles 
						/200 yards | 
						33.1630/-87.3716 5:17 AM | 
						33.2960/-87.0594 
						5:35 AM | 
						NA | 
						None | 
					 
					
						| Walker, AL (Parrish-Cordova) | 
						EF-3 / 140 MPH  | 
						18.90 miles 
						/375 yards | 
						33.5979/-87.3278 5:18 AM | 
						33.8176/-87.1320 
						5:36 AM | 
						NA | 
						0/20 | 
					 
					
						| Cullman, AL | 
						EF-2 / 120 MPH  | 
						30.32 
						/880 yards | 
						33.9176/-87.0472 
						5:48 AM | 
						34.1656/-86.6104 
						6:20 AM | 
						1/0 | 
						1/0 | 
					 
					
						| Shelby, AL /Jefferson, AL (Altadena) | 
						EF-1 / 100 MPH  | 
						3.39 miles 
						/100 yards | 
						33.3780/-87.7509 5:50 AM | 
						33.4255/-86.7362 
						5:54 AM | 
						NA | 
						None | 
					 
					
						| Jefferson, AL/Blount, AL (Mountain Woods Lake) | 
						EF-2 / 135 MPH  | 
						3.23 miles 
						/200 yards | 
						33.8300/-87.8012 5:53 AM | 
						33.8627/-87.7610 
						5:57 AM | 
						NA | 
						0/3 | 
					 
					
						| Jefferson, AL (Cahaba Heights) | 
						EF-2 / 120 MPH  | 
						7.76 miles 
						/200 yards | 
						33.4367/-87.7622 5:54 AM | 
						33.4980/-86.6493 
						6:00 AM | 
						NA | 
						0/20 | 
					 
					
						| Blount, AL (Liberty) /Marshall, AL | 
						EF-1 / 95 MPH  | 
						14.83 miles 
						/200 yards | 
						34.0894/-86.5342 
						6:12 AM | 
						34.2449/-86.3554 
						6:26 AM | 
						None | 
						None | 
					 
					
						| Moore, TN/Bedford, TN | 
						EF-2 / 115 MPH  | 
						1.98 miles 
						/75 yards | 
						35.4/-86.2739 
						6:13 AM | 
						35.4201/-86.2496 
						6:16 AM | 
						None | 
						None | 
					 
					
						| St Clair, AL (Odenville) | 
						EF-2 / 120 MPH  | 
						3.84 miles 
						/200 yards | 
						33.6473/-86.4153 6:16 AM | 
						33.6848/-86.3661 
						6:19 AM | 
						NA | 
						0/5 | 
					 
					
						| Cullman, AL/Marshall, AL | 
						EF-1 / 110 MPH  | 
						11.04 miles 
						/75 yards | 
						34.2596/-86.4599  6:20 AM | 
						34.3458/-86.3014 
						6:40 AM | 
						None | 
						None | 
					 
					
						| Marshall, AL | 
						EF-1 / 95 MPH  | 
						6.37 miles 
						/100 yards | 
						34.2548/-86.4307 
						6:24 AM | 
						34.3324/-86.3705 
						6:34 AM | 
						None | 
						None | 
					 
					
						| Marshall, AL/De kalb, AL | 
						EF-2 / 120 MPH  | 
						19.97 miles 
						/880 yards | 
						34.3616/-86.3712 
						6:30 AM | 
						34.4629/-86.043 
						6:55 AM | 
						None | 
						None | 
					 
					
						| Marshall, AL | 
						EF-1 / 110 MPH  | 
						3.39 miles 
						/50 yards | 
						34.2554/-86.3491 
						6:30 AM | 
						34.2989/-86.3215 
						6:40 AM | 
						None | 
						None | 
					 
					
						| Marshall, AL | 
						EF-1 / 110 MPH  | 
						5.69 miles 
						/50 yards | 
						34.2575/-86.3088 
						6:30 AM | 
						34.3231/-86.2486 
						6:40 AM | 
						None | 
						None | 
					 
					
						| Marshall, AL | 
						EF-1 / 110 MPH  | 
						4.58 miles 
						/50 yards | 
						34.2486/-86.2582 
						6:30 AM | 
						34.3114/-86.2323 
						6:40 AM | 
						None | 
						None | 
					 
					
						| Marshall, AL | 
						EF-1 / 90 MPH  | 
						0.32 miles 
						/50 yards | 
						34.4901/-86.2613 
						6:35 AM | 
						34.4923/-86.2564 
						6:40 AM | 
						None | 
						None | 
					 
					
						| Marshall, AL | 
						EF-1 / 95 MPH  | 
						4.93 miles 
						/100 yards | 
						34.2798/-86.3935 
						6:35 AM | 
						34.3273/-86.329 
						6:40 AM | 
						None | 
						None | 
					 
					
						| Marshall, AL | 
						EF-0 / 85 MPH  | 
						2.76 miles 
						/75 yards | 
						34.4226/-86.2845 
						6:43 AM | 
						34.4411/-86.2416 
						6:45 AM | 
						None | 
						None | 
					 
					
						| Marshall, AL | 
						EF-1 / 105 MPH  | 
						6.89 miles 
						/300 yards | 
						34.3836/-86.297 
						6:45 AM | 
						34.4426/-86.1995 
						6:51 AM | 
						None | 
						None | 
					 
					
						| Marshall, AL | 
						EF-1 / 90 MPH  | 
						4.83 miles 
						/200 yards | 
						34.375/-86.2005 
						6:45 AM | 
						34.442/-86.1761 
						6:49 AM | 
						None | 
						None | 
					 
					
						| Marshall, AL | 
						EF-1 / 105 MPH  | 
						1.55 miles 
						/100 yards | 
						34.5018/-86.1911 
						6:49 AM | 
						34.5162/-86.1702 
						6:52 AM | 
						None | 
						None | 
					 
					
						| Jackson, AL/De kalb, AL | 
						EF-1 / 110 MPH  | 
						27.85 miles 
						/300 yards | 
						34.5735/-85.9678 
						6:58 AM | 
						34.8376/-85.5984 
						7:36 AM | 
						1/0 | 
						1/0 | 
					 
					
						| De kalb, AL/Jackson, AL | 
						EF-2 / 120 MPH  | 
						5.75 miles 
						/200 yards | 
						34.6372/-85.7691 
						7:10 AM | 
						34.7237/-85.7382 
						7:18 AM | 
						None | 
						None | 
					 
					
						| De kalb, AL | 
						EF-1 / 100 MPH  | 
						4.05 miles 
						/50 yards | 
						34.6004/-85.5835 
						7:18 AM | 
						34.6519/-85.5496 
						7:22 AM | 
						None | 
						None | 
					 
					
						| Click here for an explanation of EF-Scale | 
					 
				
			 
			  
			  
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			The Second Round: Tornadoes Embedded 
			Within Another Quasi-Linear Convective System
			 | 
		
		
			|  
			
			Click on a track below to find more information about that tornado in the Huntsville Forecast area.
			
			 | 
		
		
			 
			  | 
		
		
			| 
			 Click To Go To Morning Tracks or Afternoon Tracks 
			 | 
		
		
			| 
			 
			   
			
				
					
						| 4/27/2011 Midday Tornadoes: 11 AM to 1 PM | 
					 
					
						| 
						   
						Counties                        
						 | 
						
						 Damage Rating/Estimated Maximum Wind Speeds 
						 | 
						
						 Damage path Length/Width 
						 | 
						
						 Starting Point/Time  
						 | 
						
						 Ending Point/Time  
						 | 
						
						 Huntsville CWA Fat/Inj 
						 | 
						
						 Total Track Fat/Inj 
						 | 
					 
					
						| Limestone, AL | 
						EF-0 / 85 MPH  | 
						7.19 miles 
						/150 yards | 
						34.7704/-87.152 
						11:15 AM | 
						34.7719/-87.0254 
						11:25 AM | 
						None | 
						None | 
					 
					
						| Morgan, AL/Limestone, AL | 
						EF-1 / 105 MPH  | 
						8.95 miles 
						/75 yards | 
						34.6452/-87.079 11:20 AM | 
						34.6686/-86.9241 
						11:30 AM | 
						None | 
						None | 
					 
					
						| Limestone, AL | 
						EF-0 / 70 MPH  | 
						4.06 miles 
						/50 yards | 
						34.7307/-87.0329 
						11:23 AM | 
						34.7363/-86.9617 
						11:28 PM | 
						None | 
						None | 
					 
					
						| Limestone, AL/Madison, AL | 
						EF-1 / 110 MPH  | 
						25.3 miles 
						/200 yards | 
						34.7554/-86.866 
						11:30 AM    | 
						34.85/-86.44 
						 12:05 PM  | 
						None | 
						None | 
					 
					
						| Limestone, Madison, AL | 
						EF-1 / 110 MPH  | 
						3.09 miles 
						/100 yards | 
						34.7855/-86.7894 
						11:35 AM | 
						34.7971/-86.7369 
						11:40 AM | 
						None | 
						None | 
					 
					
						| Madison, AL | 
						EF-1 / 105 MPH  | 
						7.6 miles 
						/500 yards | 
						34.8004/-86.6226 
						11:50 AM   | 
						34.8233/-86.4916 
						 12:05 PM | 
						None | 
						None | 
					 
					
						| Madison, AL | 
						EF-0 / 85 MPH  | 
						3.51 miles 
						/100 yards | 
						34.8653/-86.4911 
						11:55 AM | 
						34.8723/-86.4298 
						12:05 PM | 
						None | 
						None | 
					 
					
						| Click here for an explanation of EF-Scale | 
					 
				
			 
			  
			  
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			| 
			   
			  
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			The Final Round: Numerous 
			Strong to Violent Supercell Tornadoes
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			|  
			Click on a track below (area highlighted in pink only) to find more information about that tornado in the Huntsville Forecast area.
			 | 
		
		
			 
			  | 
		
		
			| 
			 Click To Go To Morning Tracks or Midday Tracks 
			 | 
		
		
			| 
			 
			   
			
				
					
						| 4/27/2011 Afternoon Tornadoes: 2 PM to 10 PM | 
					 
					
						| 
						 Counties Affected 
						 | 
						
						 Damage Rating/Estimated Maximum Wind Speeds 
						 | 
						
						 Damage path Length/Width 
						 | 
						
						 Starting Point/Time 
						 | 
						
						 Ending Point/Time  
						 | 
						
						 Huntsville CWA Fat/Inj 
						 | 
						
						 Total Track Fat/Inj 
						 | 
					 
					
						| Cullman, AL/Morgan,  AL/Marshall, AL   | 
						EF-4 / 175 MPH in WFO HUN | 
						46.88 miles 
						/880 yards | 
						34.0757/-87.0097   2:40 PM | 
						34.4935/-86.3628 
						 3:38 PM  | 
						6/At least 48 | 
						6/At least 48 | 
					 
					
						| Kemper, MS/Sumter, AL/Pickens, AL | 
						EF-3 / 140 MPH in WFO BMX 
						EF-2 /130 mph in WFO MEG | 
						23.74 miles 
						/1056 yards | 
						32.8496/-88.4528 
						  2:47 PM | 
						33.0604/-88.1299 
						 3:15 PM | 
						NA | 
						0/2 | 
					 
					
						| Marion, AL/Franklin, AL/Lawrence, AL/Morgan, AL/Limestone, AL/Madison, AL/Lincoln, TN/Franklin, TN | 
						EF-5 / 210 MPH in WFO HUN  | 
						132 miles 
						/2200 yards | 
						34.1043/-88.1479 
						   3:05 PM    | 
						35.0857/-86.1511 
						5:40 PM  | 
						54/At least 45 | 
						72/At least 145 | 
					 
					
						| Pickens, AL/Tuscaloosa, AL/Fayette, AL, Walker, AL/Cullman, AL/Blount, AL/Marshall, AL | 
						
						 EF-4 / 170 MPH in WFO BMX and HUN  
						 | 
						127.8 miles 
						/1408 yards | 
						33.2506/-88.1814 
						3:40 PM | 
						34.2831/-86.3491 
						5:56 PM | 
						None | 
						13/At least 54 | 
					 
					
						| Monroe, MS/Itawamba, MS/Marion, AL/Franklin, AL | 
						EF-2 / 120 MPH in WFO HUN 
						 
						EF-5 /Over 200 MPH in WFO MEG | 
						37.3 miles 
						/1320 yards | 
						34.0455/-88.445 
						3:42 PM | 
						34.3233/-87.8982 4:23 PM | 
						0/0 | 
						23/137 | 
					 
					
						| Jackson, AL/De kalb, AL/Dade, GA/Walker, GA | 
						EF-4 / 190 MPH in WFO HUN | 
						46.98 miles 
						/1260 yards | 
						34.6208/-85.9814 
						4:01 PM | 
						34.9531/-85.2666 
						4:57 PM  | 
						12/UNKNOWN | 
						14/At least 50 | 
					 
					
						| Madison, AL | 
						EF-1 / 105 MPH in WFO HUN | 
						1.42 miles 
						/75 yards | 
						34.1380/-86.7770 
						 4:40 PM   | 
						34.8197/-86.7534 
						4:45 PM | 
						None | 
						None | 
					 
					
						| Smith, MS/Jasper, MS/Clarke, MS/Choctaw, AL/Sumpter, AL/Marengo, AL/Perry, AL | 
						EF-4 / 175 MPH in WFO JAN | 
						124 miles 
						/1050 yards | 
						32.0296/-89.5042 
						4:42 PM | 
						34.9531/-85.2666 
						8:35 PM | 
						NA | 
						7/17 | 
					 
					
						| Greene, AL/ Tuscaloosa, AL/Jefferson, AL | 
						EF-4 / 190 MPH in WFO BMX | 
						80.68 miles 
						/1.5 miles | 
						33.0297/-87.9350  4:43 PM | 
						33.6311/-86.7436 
						6:14 PM | 
						NA | 
						64/1500 | 
					 
					
						| Limestone, AL/Madison, AL | 
						EF-1 / 110 MPH in WFO HUN | 
						14.62 miles 
						/50 yards | 
						34.6655/-86.9172 
						4:53 PM | 
						34.7797/-86.7006 
						5:07 PM   | 
						None | 
						None | 
					 
					
						| Jackson, AL/Marion, TN | 
						EF-4 / 180 MPH in WFO HUN  | 
						30.24 miles 
						/1320 yards | 
						34.7948/-85.909 
						5:05 PM | 
						35.07/-85.5 
						5:31 PM   | 
						1/0 | 
						1/0 | 
					 
					
						| Marion, AL/Winston, AL (Haleyville) | 
						EF-3 / 150 MPH in WFO BMX  | 
						31.84 miles 
						/0.75 miles | 
						34.0289/-879421 
						5:10 PM | 
						34.3039/-87.4968 
						5:47 PM | 
						NA | 
						0/25 | 
					 
					
						| Greene, AL/Hale, AL/Bibb, AL(Sawyerville-Eoline) | 
						EF-3 / 145 MPH in WFO BMX | 
						72.13 miles 
						/1 mile | 
						32.6152/-88.0543 
						 5:30 PM | 
						33.1524/-86.9898 
						6:55 PM | 
						NA | 
						7/50 | 
					 
					
						| Fayette, AL (Hubbertville) | 
						EF-3 / 145 MPH in WFO BMX | 
						7.96 miles 
						/0.5 miles | 
						33.8129/-87.8108 
						 6:06 PM | 
						33.8683/-87.6892 
						  6:14 PM | 
						NA | 
						None | 
					 
					
						| Dekalb, AL/Dade, GA | 
						EF-5 / Over 200 MPH in WFO HUN | 
						36.59 miles 
						/1320 yards  | 
						34.3907/-85.9784 
						 6:19 PM | 
						34.7661/-85.5241 
						6:55 PM   | 
						25/UNKNOWN | 
						25/UNKNOWN | 
					 
					
						| Jefferson, AL/St. Clair, AL/Calhoun, AL/Etowah, AL/Cherokee, AL/Polk, GA/Floyd, GA/Bartow, GA (Argo-Shoal Creek-Ohatchee-Forney) | 
						EF-4 / 180 MPH in WFO BMX | 
						97.33 miles 
						/1 mile | 
						33.6792/-86.5699 
						 6:28 PM | 
						34.19/-84.99 
						  8:15 PM  | 
						NA | 
						22/85 | 
					 
					
						| Hale, AL/Bibb, AL (Wateroak) | 
						EF-1 / 110 MPH in WFO BMX | 
						8.62 miles 
						/300 yards | 
						32.8478/-87.4922 
						  6:50 PM | 
						32.9047/-87.3605 
						  7:02 PM | 
						NA | 
						NA | 
					 
					
						| Cullman, AL | 
						EF-0 / 110 MPH in WFO HUN  | 
						1.19 miles 
						/100 yards | 
						34.2846/-86.9189 
						  7:09 PM | 
						34.2968/-86.9042 
						  7:13 PM | 
						NA | 
						NA | 
					 
					
						| Bibb, AL/Shelby, AL (Marvel) | 
						EF-1 / 105 MPH in WFO BMX | 
						5.41 miles 
						/50 yards | 
						33.1169/-87.0081 
						  7:32 PM | 
						32.9047/-87.3605 
						  7:38 PM | 
						NA | 
						None | 
					 
					
						| Elmore, AL/Tallapoosa, AL/Chambers, AL (Lake Martin) | 
						EF-4 / 170 MPH in WFO BMX | 
						44.18 miles 
						/0.5 mile | 
						32.6174/-86.1930 
						  8:12 PM | 
						32.9196/-85.5230 
						  9:09 PM | 
						NA | 
						7/30 | 
					 
					
						| Shelby, AL/Talladega, AL (Vincent-Logan Martin) | 
						EF-1 / 105 MPH in WFO BMX | 
						8.59 miles 
						/200 yards | 
						33.3507/-86.4013 
						  8:15 PM | 
						33.4483/-86.3092 
						  8:24 PM | 
						NA | 
						None | 
					 
					
						| Perry, AL (Marion) | 
						EF-1 / 90 MPH in WFO BMX | 
						4.24 miles 
						/100 yards | 
						32.5519/-87.3142 
						  8:50 PM | 
						32.5748/-87.2466 
						  8:53 PM | 
						NA | 
						None | 
					 
					
						| Dekalb, AL | 
						EF-2 / 120 MPH in WFO HUN  | 
						6.5 miles 
						/250 yards | 
						34.4059/-85.7294 
						  9:05 PM | 
						34.4427/-85.6250 
						  9:10 PM | 
						None | 
						None | 
					 
					
						| Chambers, AL (White Plains) | 
						EF-1 / 110 MPH in WFO BMX | 
						5.24 miles 
						/150 yards | 
						32.9719/-85.3688 
						  9:19 PM | 
						33.0114/-85.2916 
						  9:28 PM | 
						NA | 
						None | 
					 
					
						| Chambers, AL (Finley Creek) | 
						EF-1 / 90 MPH in WFO BMX | 
						5.01 miles 
						/100 yards | 
						33.0158/-85.2938 
						  9:29 PM | 
						33.0836/-85.2633 
						  9:38 PM | 
						NA | 
						None | 
					 
					
						| Chilton, AL (Verbena) | 
						EF-0 / 80 MPH in WFO BMX | 
						1.91 miles 
						/150 yards | 
						32.7759/-86.5429 
						  9:48 PM | 
						32.7857/-86.5122 
						  9:50 PM | 
						NA | 
						0/1 | 
					 
					
						| Click here for an explanation of EF-Scale | 
					 
				
			 
			 |