Alert archive / Arkansas / Tornado Warnings in 2013

Tornado Warning 2, NWS Memphis, TN

January 29, 2013Clay County, Greene County, Arkansas

NWS Memphis, TN issued this tornado warning at Jan 29, 2013, 9:09 PM CST for Clay County, Greene County, Arkansas. 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: Jan 29, 2013, 9:09 PM CST (03:09 UTC)
Expired: Jan 29, 2013, 9:45 PM CST
In force: 36 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon

Counties Clay County, AR, Greene County, AR

The radar

The Memphis radar (KNQA), 112 km from the middle of the area, began a volume at 03:10 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
Jan 29, 5:37 PM CST	Tornado Watch	SPC	8 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 3.2 hours before the alert went out and 164 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 784 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 571 m above ground
0-6 km bulk shear: 66 kt
0-1 km storm-relative helicity: 508 m²/s²
0-3 km storm-relative helicity: 586 m²/s²
Significant tornado parameter: 3.0
Supercell composite: 11.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

409 
WFUS54 KMEG 300309
TORMEG
ARC021-055-300345-
/O.NEW.KMEG.TO.W.0002.130130T0309Z-130130T0345Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
909 PM CST TUE JAN 29 2013

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTH CENTRAL CLAY COUNTY IN EASTERN ARKANSAS...
  NORTHEASTERN GREENE COUNTY IN EASTERN ARKANSAS...

* UNTIL 945 PM CST

* AT 909 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM PRODUCING A TORNADO NEAR LAFE...OR NEAR
  MARMADUKE...MOVING EAST AT 50 MPH.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MARMADUKE
  AND RECTOR.

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 3639 9024 3619 9021 3612 9052 3627 9056
TIME...MOT...LOC 0309Z 256DEG 18KT 3623 9043

$$

1 follow-up statement

140 
WWUS54 KMEG 300324
SVSMEG

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
924 PM CST TUE JAN 29 2013

ARC021-055-300334-
/O.CAN.KMEG.TO.W.0002.000000T0000Z-130130T0345Z/
CLAY AR-GREENE AR-
924 PM CST TUE JAN 29 2013

...THE TORNADO WARNING FOR NORTHEASTERN GREENE AND SOUTH CENTRAL CLAY
COUNTIES IS CANCELLED...

AT 924 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.

LAT...LON 3639 9024 3619 9021 3612 9052 3627 9056
TIME...MOT...LOC 0324Z 256DEG 18KT 3625 9034

$$

The office that day

Everything else NWS Memphis, TN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 29, 8:09 PM CST	Special Weather Statement	MEG	Clay, Greene, Lawrence, Randolph	36 min
Jan 29, 8:37 PM CST	Severe Thunderstorm Warning	MEG	Clay, Greene, Lawrence, Mississippi, Randolph	38 min
Jan 29, 8:49 PM CST	Tornado Warning	MEG	Greene, Lawrence	26 min
Jan 29, 9:03 PM CST	Severe Thunderstorm Warning	MEG	Craighead, Crittenden, Cross, Greene, Mississippi, Poinsett	42 min
Jan 29, 9:12 PM CST	Severe Thunderstorm Warning	MEG	Clay, Craighead, Greene, Mississippi	63 min
Jan 29, 9:17 PM CST	Severe Thunderstorm Warning	MEG	Crittenden, Cross, Lee, St. Francis	58 min
Jan 29, 9:44 PM CST	Severe Thunderstorm Warning	MEG	Craighead, Crittenden, Cross, Greene, Mississippi, Poinsett	46 min
Jan 29, 9:55 PM CST	Severe Thunderstorm Warning	MEG	Mississippi	65 min
Jan 29, 10:31 PM CST	Flash Flood Warning	MEG	Clay, Craighead, Greene, Mississippi, Poinsett	3 hr
Jan 29, 10:31 PM CST	Severe Thunderstorm Warning	MEG	Mississippi	59 min
Jan 29, 10:35 PM CST	Severe Thunderstorm Warning	MEG	Crittenden, Mississippi	55 min
Jan 29, 10:48 PM CST	Severe Thunderstorm Warning	MEG	Crittenden, Lee	42 min
Jan 29, 11:43 PM CST	Flash Flood Warning	MEG	Crittenden, Lee, St. Francis	3 hr
Jan 30, 3:00 AM CST	Wind Advisory	MEG	Clay, Craighead, Crittenden, Cross, Greene, Lawrence and 6 more	15 hr

Nearby

Tornado Warnings in Arkansas, 2013 Every tornado warning in 2013 Tornadoes in 2013

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.