Alert archive / Tennessee / Tornado Warnings in 2011
Tornado Warning 1, NWS Memphis, TN
NWS Memphis, TN issued this tornado warning at Feb 24, 2011, 2:55 PM CST for 4 counties in Tennessee. It was in force for 50 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Feb 24, 2011, 2:55 PM CST (20:55 UTC)
- Expired
- Feb 24, 2011, 3:45 PM CST
- In force
- 50 min
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
Counties Chester County, TN, Hardeman County, TN, Henderson County, TN, Madison County, TN
The radar
The Memphis radar (KNQA), 83 km from the middle of the area, began a volume at 20:56 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Feb 24, 2:34 PM CST | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Little Rock, AR (KLZK), launched 12:00Z, 8.9 hours before the alert went out and 112 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
- 10 J/kg
- Mixed-layer CIN
- -162 J/kg
- Mixed-layer LCL
- 466 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 201 m²/s²
- 0-3 km storm-relative helicity
- 91 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.2
The text
As transmitted, in the capitals the NWS used until 2016.
740
WFUS54 KMEG 242055
TORMEG
TNC023-069-077-113-242145-
/O.NEW.KMEG.TO.W.0001.110224T2055Z-110224T2145Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
255 PM CST THU FEB 24 2011
THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A
* TORNADO WARNING FOR...
NORTHERN CHESTER COUNTY IN SOUTHWEST TENNESSEE...
NORTHERN HARDEMAN COUNTY IN SOUTHWEST TENNESSEE...
WEST CENTRAL HENDERSON COUNTY IN SOUTHWEST TENNESSEE...
SOUTHERN MADISON COUNTY IN SOUTHWEST TENNESSEE...
* UNTIL 345 PM CST
* AT 255 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM PRODUCING A TORNADO NEAR CLOVERPORT...OR 8
MILES NORTHWEST OF BOLIVAR...MOVING NORTHEAST AT 45 MPH.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
HENDERSON...JACKSON...CHICKASAW STATE PARK AND CHICKASAW STATE
FOREST.
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.
&&
LAT...LON 3526 8908 3540 8919 3544 8913 3543 8908
3548 8908 3576 8864 3550 8845
TIME...MOT...LOC 2055Z 237DEG 38KT 3538 8903
$$2 follow-up statements
220 WWUS54 KMEG 242108 SVSMEG SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MEMPHIS TN 308 PM CST THU FEB 24 2011 TNC023-069-077-113-242145- /O.CON.KMEG.TO.W.0001.000000T0000Z-110224T2145Z/ HENDERSON TN-MADISON TN-CHESTER TN-HARDEMAN TN- 308 PM CST THU FEB 24 2011 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM CST FOR NORTH CENTRAL HARDEMAN...NORTHERN CHESTER...SOUTHERN MADISON AND WEST CENTRAL HENDERSON COUNTIES... AT 307 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR TEAGUE...OR 6 MILES NORTHWEST OF CHICKASAW STATE FOREST...MOVING NORTHEAST AT 45 MPH. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HENDERSON... JACKSON...MEDON...MIDDLE FORK...DEANBURG...HURON...RUSSELL CROSSROADS...WHITE FERN...CLAYBROOK...NEELY...MADISON HALL... MALESUS...BEECH BLUFF AND MAPLE GROVE. PRECAUTIONARY/PREPAREDNESS ACTIONS... IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS IN EXCESS OF 60 MPH. THE SAFEST PLACE TO BE DURING A TORNADO IS IN A STORM SHELTER. IF NO STORM SHELTER IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. && LAT...LON 3533 8891 3549 8906 3576 8864 3550 8845 TIME...MOT...LOC 2107Z 237DEG 38KT 3545 8890 $$
421 WWUS54 KMEG 242123 SVSMEG SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MEMPHIS TN 323 PM CST THU FEB 24 2011 TNC069-242131- /O.CAN.KMEG.TO.W.0001.000000T0000Z-110224T2145Z/ HARDEMAN TN- 323 PM CST THU FEB 24 2011 ...THE TORNADO WARNING FOR NORTH CENTRAL HARDEMAN COUNTY IS CANCELLED... AT 321 PM CST...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. .A TORNADO WATCH ALSO REMAINS IN EFFECT FOR THE ALERT AREA. LAT...LON 3538 8878 3557 8893 3576 8864 3550 8845 TIME...MOT...LOC 2121Z 237DEG 38KT 3553 8875 $$ TNC023-077-113-242145- /O.CON.KMEG.TO.W.0001.000000T0000Z-110224T2145Z/ HENDERSON TN-MADISON TN-CHESTER TN- 323 PM CST THU FEB 24 2011 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM CST FOR NORTHERN CHESTER...SOUTHEASTERN MADISON AND WEST CENTRAL HENDERSON COUNTIES... AT 321 PM CST...MADISON COUNTY EMERGENCY MANAGEMENT REPORTED A FUNNEL CLOUD NEAR MEDON ALONG HIGHWAY 18. THIS TORNADO WAS NOW LOCATED NEAR MADISON HALL...OR 8 MILES NORTHWEST OF HENDERSON...MOVING NORTHEAST AT 45 MPH. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HENDERSON... JACKSON...MIDDLE FORK...HURON...RUSSELL CROSSROADS...WHITE FERN... CLAYBROOK...MADISON HALL...MALESUS...BEECH BLUFF...MAPLE GROVE...FIVE POINTS...EAST UNION AND PARKBURG. PRECAUTIONARY/PREPAREDNESS ACTIONS... IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING DESTRUCTIVE STRAIGHT LINE WINDS IN EXCESS OF 60 MPH. THE SAFEST PLACE TO BE DURING A TORNADO IS IN A STORM SHELTER. IF NO STORM SHELTER IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. .A TORNADO WATCH ALSO REMAINS IN EFFECT FOR THE ALERT AREA. && LAT...LON 3538 8878 3557 8893 3576 8864 3550 8845 TIME...MOT...LOC 2121Z 237DEG 38KT 3553 8875 $$
The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 24, 3:04 AM CST | Flash Flood Warning | MEG | Dyer, Gibson, Henry, Lake, Obion, Weakley | 3 hr |
| Feb 24, 5:45 AM CST | Flash Flood Warning | MEG | Dyer, Gibson, Henry, Lake, Obion, Weakley | 3 hr |
| Feb 24, 8:35 AM CST | River Flood Warning | MEG | Obion, Weakley | 33 hr |
| Feb 24, 8:35 AM CST | River Flood Warning | MEG | Dyer, Gibson, Obion | 33 hr |
| Feb 24, 8:47 AM CST | Flash Flood Warning | MEG | Dyer, Gibson, Henry, Lake, Obion, Weakley | 3 hr |
| Feb 24, 11:28 AM CST | River Flood Advisory | MEG | Dyer, Lake, Lauderdale | 35 hr |
| Feb 24, 1:08 PM CST | River Flood Warning | MEG | Dyer | 28 hr |
| Feb 24, 3:42 PM CST | Tornado Warning | MEG | Carroll, Chester, Decatur, Henderson, Madison | 24 min |
| Feb 24, 5:11 PM CST | Tornado Warning | MEG | Lake, Obion | 49 min |
| Feb 24, 5:17 PM CST | Flash Flood Warning | MEG | Crockett, Dyer, Gibson, Lake, Lauderdale, Obion and 1 more | 5 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.