Alert archive / Arkansas / Tornado Warnings in 2011
Tornado Warning 47, NWS Memphis, TN
NWS Memphis, TN issued this tornado warning at Apr 24, 2011, 6:09 PM CDT for Clay County, Greene County, Arkansas; Dunklin County, Missouri. It was in force for 36 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
- Apr 24, 2011, 6:09 PM CDT (23:09 UTC)
- Expired
- Apr 24, 2011, 6:45 PM CDT
- In force
- 36 min
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
Counties Clay County, AR, Greene County, AR, Dunklin County, MO
The radar
The Memphis radar (KNQA), 96 km from the middle of the area, began a volume at 23:11 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 |
|---|---|---|---|
| Apr 24, 12:27 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Little Rock, AR (KLZK), launched 12:00Z, 11.2 hours before the alert went out and 150 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
- 1899 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 664 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 189 m²/s²
- 0-3 km storm-relative helicity
- 23 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.0
The text
As transmitted, in the capitals the NWS used until 2016.
998 WFUS54 KMEG 242309 TORMEG ARC021-055-MOC069-242345- /O.NEW.KMEG.TO.W.0047.110424T2309Z-110424T2345Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE MEMPHIS TN 609 PM CDT SUN APR 24 2011 THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A * TORNADO WARNING FOR... SOUTHEASTERN CLAY COUNTY IN EASTERN ARKANSAS... EAST CENTRAL GREENE COUNTY IN EASTERN ARKANSAS... SOUTH CENTRAL DUNKLIN COUNTY IN SOUTHEAST MISSOURI... * UNTIL 645 PM CDT * AT 609 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM PRODUCING A TORNADO 7 MILES NORTHWEST OF BUCK DONIC...OR NEAR PARAGOULD...MOVING EAST AT 30 MPH. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MARMADUKE...SENATH...OCTA...BUCODA...BUCK DONIC AND HOLLYWOOD. PRECAUTIONARY/PREPAREDNESS ACTIONS... .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 3626 9010 3604 9012 3602 9048 3619 9041 TIME...MOT...LOC 2309Z 255DEG 28KT 3610 9041 $$
1 follow-up statement
405 WWUS54 KMEG 242332 SVSMEG SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MEMPHIS TN 632 PM CDT SUN APR 24 2011 ARC021-055-MOC069-242345- /O.CON.KMEG.TO.W.0047.000000T0000Z-110424T2345Z/ CLAY AR-GREENE AR-DUNKLIN MO- 632 PM CDT SUN APR 24 2011 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR SOUTHWESTERN DUNKLIN...EAST CENTRAL GREENE AND SOUTHEASTERN CLAY COUNTIES... AT 632 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR SENATH...MOVING EAST AT 30 MPH. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SENATH... BERTIG...OCTA...BUCODA...BUCK DONIC AND HOLLYWOOD. PRECAUTIONARY/PREPAREDNESS ACTIONS... THE SAFEST PLACE TO BE DURING A TORNADO IS IN A STORM SHELTER. IF NO STORM SHELTER IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. && LAT...LON 3620 9027 3626 9010 3604 9012 3603 9036 TIME...MOT...LOC 2332Z 255DEG 28KT 3615 9020 $$
The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 23, 8:26 PM CDT | Severe Thunderstorm Warning | MEG | Randolph | 49 min |
| Apr 23, 9:11 PM CDT | Severe Thunderstorm Warning | MEG | Clay, Randolph | 49 min |
| Apr 23, 9:33 PM CDT | Flash Flood Warning | MEG | Clay, Randolph | 5 hr |
| Apr 23, 10:16 PM CDT | Special Weather Statement | MEG | Clay | 29 min |
| Apr 23, 10:26 PM CDT | Severe Thunderstorm Warning | MEG | Clay | 34 min |
| Apr 23, 11:52 PM CDT | Flash Flood Warning | MEG | Clay, Greene | 3 hr |
| Apr 23, 11:52 PM CDT | Severe Thunderstorm Warning | MEG | Clay, Greene, Randolph | 38 min |
| Apr 24, 2:32 AM CDT | Flash Flood Warning | MEG | Clay, Randolph | 107 min |
| Apr 24, 2:41 AM CDT | Special Weather Statement | MEG | Cross | 34 min |
| Apr 24, 3:01 AM CDT | Special Weather Statement | MEG | Clay | 29 min |
| Apr 24, 3:22 AM CDT | Special Weather Statement | MEG | Clay, Greene | 23 min |
| Apr 24, 12:16 PM CDT | River Flood Warning | MEG | Craighead | 25 days |
| Apr 24, 12:16 PM CDT | River Flood Warning | MEG | Mississippi, Poinsett | 23 days |
| Apr 24, 2:38 PM CDT | Flash Flood Watch | MEG | Craighead, Crittenden, Cross, Lee, Mississippi, Phillips and 2 more | 3 days |
| Apr 24, 3:06 PM CDT | Severe Thunderstorm Warning | MEG | Lawrence, Randolph | 54 min |
| Apr 24, 4:55 PM CDT | Severe Thunderstorm Warning | MEG | Greene, Lawrence, Randolph | 50 min |
| Apr 24, 5:32 PM CDT | Severe Thunderstorm Warning | MEG | Clay, Greene | 43 min |
| Apr 24, 5:45 PM CDT | Tornado Warning | MEG | Greene | 30 min |
| Apr 24, 6:14 PM CDT | Severe Thunderstorm Warning | MEG | Clay, Greene | 46 min |
| Apr 23, 8:59 PM CDT | Severe Thunderstorm Warning | MEG | Dunklin | 31 min |
| Apr 23, 11:22 PM CDT | Severe Thunderstorm Warning | MEG | Pemiscot | 38 min |
| Apr 24, 12:44 AM CDT | Special Weather Statement | MEG | Pemiscot | 46 min |
| Apr 24, 6:40 PM CDT | Severe Thunderstorm Warning | MEG | Dunklin, Pemiscot | 27 min |
Nearby
Tornado Warnings in Arkansas, 2011Tornado Warnings in Missouri, 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.