Alert archive / Arkansas / Tornado Warnings in 2011
Tornado Warning 5, NWS Memphis, TN
NWS Memphis, TN issued this tornado warning at Feb 24, 2011, 6:09 PM CST for 4 counties in Arkansas. It was in force for 36 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
- Feb 24, 2011, 6:09 PM CST (00:09 UTC)
- Expired
- Feb 24, 2011, 6:45 PM CST
- In force
- 36 min
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
Counties Crittenden County, AR, Cross County, AR, Lee County, AR, St. Francis County, AR
The radar
The Memphis radar (KNQA), 71 km from the middle of the area, began a volume at 00:08 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 |
|---|---|---|---|
| Feb 24, 6:15 PM CST | TSTM WND DMG | Forrest City, AR | POWER POLES DOWN |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
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 00:00Z, 0.2 hours before the alert went out and 64 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
- 165 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 579 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- -230 m²/s²
- 0-3 km storm-relative helicity
- -371 m²/s²
- Significant tornado parameter
- -0.2
- Supercell composite
- -0.9
The text
As transmitted, in the capitals the NWS used until 2016.
155 WFUS54 KMEG 250009 TORMEG ARC035-037-077-123-250045- /O.NEW.KMEG.TO.W.0005.110225T0009Z-110225T0045Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE MEMPHIS TN 609 PM CST THU FEB 24 2011 THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A * TORNADO WARNING FOR... WEST CENTRAL CRITTENDEN COUNTY IN EASTERN ARKANSAS... SOUTHEASTERN CROSS COUNTY IN EASTERN ARKANSAS... NORTH CENTRAL LEE COUNTY IN EASTERN ARKANSAS... ST. FRANCIS COUNTY IN EASTERN ARKANSAS... * UNTIL 645 PM CST * AT 608 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM PRODUCING A TORNADO NEAR FORREST CITY...OR NEAR PALESTINE...MOVING EAST AT 70 MPH. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO FORREST CITY AND MADISON. PRECAUTIONARY/PREPAREDNESS ACTIONS... .IN ADDITION TO THE TORNADO...THIS STORM WILL PRODUCE QUARTER SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS IN EXCESS OF 80 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 3525 9037 3499 9036 3488 9086 3506 9095 TIME...MOT...LOC 0008Z 249DEG 63KT 3501 9077 $$
1 follow-up statement
405 WWUS54 KMEG 250030 SVSMEG SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MEMPHIS TN 630 PM CST THU FEB 24 2011 ARC077-250040- /O.CAN.KMEG.TO.W.0005.000000T0000Z-110225T0045Z/ LEE AR- 630 PM CST THU FEB 24 2011 ...THE TORNADO WARNING FOR NORTH CENTRAL LEE COUNTY IS CANCELLED... AT 630 PM CST...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY. THEREFORE...THE TORNADO WARNING IS CANCELLED. .A TORNADO WATCH ALSO REMAINS IN EFFECT FOR THE ALERT AREA. LAT...LON 3495 9058 3518 9058 3525 9037 3499 9036 TIME...MOT...LOC 0030Z 249DEG 63KT 3514 9033 $$ ARC035-037-123-250045- /O.CON.KMEG.TO.W.0005.000000T0000Z-110225T0045Z/ CROSS AR-ST. FRANCIS AR-CRITTENDEN AR- 630 PM CST THU FEB 24 2011 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CST FOR WEST CENTRAL CRITTENDEN...EASTERN ST. FRANCIS AND SOUTHEASTERN CROSS COUNTIES... AT 630 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR SHEARERVILLE...OR 11 MILES SOUTHEAST OF EARLE...MOVING EAST AT 70 MPH. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SHEARERVILLE...BROWNS...PROCTOR...CHATFIELD...WHITMORE...LUCERNE... CICALLA...HETH...JONQUIL...TARSUS...DEMOCRAT...GREASY CORNER AND PENJUR. PRECAUTIONARY/PREPAREDNESS ACTIONS... WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS. 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 3495 9058 3518 9058 3525 9037 3499 9036 TIME...MOT...LOC 0030Z 249DEG 63KT 3514 9033 $$
The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 24, 6:11 PM CST | Severe Thunderstorm Warning | MEG | Mississippi | 90 days |
| Feb 24, 6:14 PM CST | Tornado Warning | MEG | Craighead, Greene, Mississippi, Poinsett | 31 min |
| Feb 24, 6:23 PM CST | Severe Thunderstorm Warning | MEG | Crittenden, Mississippi, Poinsett | 90 days |
| Feb 24, 6:28 PM CST | Severe Thunderstorm Warning | MEG | Crittenden, Cross, Lee, St. Francis | 90 days |
| Feb 24, 6:34 PM CST | Tornado Warning | MEG | Crittenden | 26 min |
| Feb 24, 6:38 PM CST | Tornado Warning | MEG | Mississippi | 52 min |
| Feb 24, 6:41 PM CST | Flash Flood Warning | MEG | Mississippi | 3 hr |
| Feb 24, 6:56 PM CST | Flash Flood Warning | MEG | Crittenden, Lee | 3 hr |
| Feb 24, 7:08 PM CST | Flash Flood Warning | MEG | Phillips | 2 hr |
| Feb 25, 6:40 AM CST | River Flood Warning | MEG | Mississippi | 37 days |
| Feb 25, 1:37 PM CST | River Flood Warning | MEG | Mississippi | 38 days |
Nearby
Tornado Warnings in Arkansas, 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.