Alert archive / Tennessee / Tornado Warnings in 2011
Tornado Warning 45, NWS Memphis, TN
NWS Memphis, TN issued this tornado warning at Apr 23, 2011, 11:37 PM CDT for Lake County, Obion County, Tennessee. It was in force for 38 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Apr 23, 2011, 11:37 PM CDT (04:37 UTC)
- Expired
- Apr 24, 2011, 12:15 AM CDT
- In force
- 38 min
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
Counties Lake County, TN, Obion County, TN
The radar
The Paducah radar (KPAH), 84 km from the middle of the area, began a volume at 04:41 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 24, 12:10 AM CDT | FUNNEL CLOUD | 7 W Union City, TN |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Little Rock, AR (KLZK), launched 00:00Z, 4.6 hours before the alert went out and 189 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 781 J/kg
- Mixed-layer CIN
- -114 J/kg
- Mixed-layer LCL
- 1432 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 166 m²/s²
- 0-3 km storm-relative helicity
- 226 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 5.7
The text
As transmitted, in the capitals the NWS used until 2016.
709
WFUS54 KMEG 240437
TORMEG
TNC095-131-240515-
/O.NEW.KMEG.TO.W.0045.110424T0437Z-110424T0515Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
1137 PM CDT SAT APR 23 2011
THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A
* TORNADO WARNING FOR...
NORTHEASTERN LAKE COUNTY IN NORTHWEST TENNESSEE...
NORTHERN OBION COUNTY IN NORTHWEST TENNESSEE...
* UNTIL 1215 AM CDT
* AT 1137 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM PRODUCING A TORNADO NEAR TIPTONVILLE...OR NEAR
REELFOOT LAKE STATE PARK...MOVING EAST AT 40 MPH.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO REELFOOT
LAKE STATE PARK.
THIS WARNING ALSO INCLUDES AREAS NEAR REELFOOT LAKE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
.IN ADDITION TO THE TORNADO...THIS STORM WILL PRODUCE QUARTER SIZE
HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS IN EXCESS OF 60 MPH.
.THE SAFEST PLACE TO BE DURING A TORNADO IS IN A STORM SHELTER. IF NO
STORM SHELTER IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE
BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE
BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM
WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
.TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.
&&
LAT...LON 3649 8884 3630 8947 3643 8952 3646 8947
3645 8946 3648 8944 3650 8940
TIME...MOT...LOC 0437Z 252DEG 35KT 3638 8944
$$3 follow-up statements
291
WWUS54 KMEG 240444
SVSMEG
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
1144 PM CDT SAT APR 23 2011
TNC095-131-240515-
/O.CON.KMEG.TO.W.0045.000000T0000Z-110424T0515Z/
LAKE TN-OBION TN-
1144 PM CDT SAT APR 23 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1215 AM CDT FOR NORTHERN
OBION AND NORTHEASTERN LAKE COUNTIES...
AT 1143 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR SAMBURG...OR NEAR
REELFOOT LAKE STATE PARK...MOVING EAST AT 75 MPH.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
CRONANVILLE...SAMBURG...WOODLAND MILLS...GRAYS CAMP...NEW MARKHAM...
WRIGHT...CATES...PROCTOR CITY...BLUE BANK...SUNKIST BEACH...
WYNNBURG...KEEFE...WALNUT LOG AND SPOUT SPRINGS.
THIS WARNING ALSO INCLUDES AREAS NEAR REELFOOT LAKE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING
QUARTER SIZE HAIL AND DAMAGING STRAIGHT LINE WINDS IN EXCESS OF 60
MPH.
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A STORM SHELTER. IF NO
STORM SHELTER IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE
BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE
BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM
WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
.TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.
&&
LAT...LON 3649 8884 3630 8947 3643 8952 3646 8947
3645 8946 3648 8944 3650 8940
TIME...MOT...LOC 0443Z 249DEG 65KT 3642 8929
$$738 WWUS54 KMEG 240456 SVSMEG SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MEMPHIS TN 1156 PM CDT SAT APR 23 2011 TNC095-240506- /O.CAN.KMEG.TO.W.0045.000000T0000Z-110424T0515Z/ LAKE TN- 1156 PM CDT SAT APR 23 2011 ...THE TORNADO WARNING FOR NORTHEASTERN LAKE COUNTY IS CANCELLED... AT 1156 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY. THEREFORE...THE TORNADO WARNING IS CANCELLED. LAT...LON 3650 8933 3649 8884 3632 8939 TIME...MOT...LOC 0456Z 245DEG 22KT 3645 8925 $$ TNC131-240515- /O.CON.KMEG.TO.W.0045.000000T0000Z-110424T0515Z/ OBION TN- 1156 PM CDT SAT APR 23 2011 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1215 AM CDT FOR NORTHERN OBION COUNTY... AT 1156 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR CLAYTON...OR 10 MILES SOUTHWEST OF HICKMAN...MOVING NORTHEAST AT 25 MPH. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SAMBURG... WOODLAND MILLS...WALNUT LOG...SPOUT SPRINGS...RONEYS STORE... CRYSTAL...FREMONT...OLD FREMONT AND LASSITER CORNER. PRECAUTIONARY/PREPAREDNESS ACTIONS... IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING STRAIGHT LINE WINDS IN EXCESS OF 60 MPH. THE SAFEST PLACE TO BE DURING A TORNADO IS IN A STORM SHELTER. IF NO STORM SHELTER IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. .TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW. && LAT...LON 3650 8933 3649 8884 3632 8939 TIME...MOT...LOC 0456Z 245DEG 22KT 3645 8925 $$
568 WWUS54 KMEG 240518 SVSMEG SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MEMPHIS TN 1218 AM CDT SUN APR 24 2011 TNC131-240526- /O.EXP.KMEG.TO.W.0045.000000T0000Z-110424T0515Z/ OBION TN- 1218 AM CDT SUN APR 24 2011 ...THE TORNADO WARNING FOR NORTHERN OBION COUNTY HAS BEEN REPLACED WITH A SEVERE THUNDERSTORM WARNING... AT 1216 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE THUNDERSTORM WHICH PROMPTED THE TORNADO WARNING IS NO LONGER POSING A THREAT FOR TORNADOES...THEREFORE THE TORNADO WARNING HAS BEEN ALLOWED TO EXPIRE. A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEAST PORTIONS OF OBION COUNTY. LAT...LON 3650 8933 3649 8884 3632 8939 TIME...MOT...LOC 0456Z 245DEG 22KT 3645 8925 $$
The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 23, 11:22 PM CDT | Severe Thunderstorm Warning | MEG | Lake, Obion | 38 min |
| Apr 23, 11:52 PM CDT | Flash Flood Warning | MEG | Lake | 3 hr |
| Apr 24, 12:11 AM CDT | Severe Thunderstorm Warning | MEG | Obion, Weakley | 49 min |
| Apr 24, 8:54 AM CDT | Special Weather Statement | MEG | Henry | 36 min |
| Apr 24, 2:38 PM CDT | Flash Flood Watch | MEG | Carroll, Chester, Crockett, Decatur, Dyer, Fayette and 12 more | 3 days |
| Apr 24, 3:54 PM CDT | Special Weather Statement | MEG | Weakley | 21 min |
| Apr 24, 5:30 PM CDT | Flash Flood Warning | MEG | Lake, Obion | 2 hr |
Nearby
Tornado Warnings in Tennessee, 2011Every tornado warning in 2011Tornadoes in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.