Alert archive / Arkansas / Tornado Warnings in 2011

Tornado Warning 66, NWS Memphis, TN

April 26, 2011Crittenden County, St. Francis County, Arkansas

NWS Memphis, TN issued this tornado warning at Apr 26, 2011, 5:27 PM CDT for Crittenden County, St. Francis County, Arkansas. It was in force for 48 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 26, 2011, 5:27 PM CDT (22:27 UTC)
Expired: Apr 26, 2011, 6:15 PM CDT
In force: 48 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon

Counties Crittenden County, AR, St. Francis County, AR

The radar

The Memphis radar (KNQA), 71 km from the middle of the area, began a volume at 22:30 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 26, 3:02 PM CDT	Tornado Watch PDS	SPC	7 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 10.5 hours before the alert went out and 63 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: 112 J/kg
Mixed-layer CIN: -229 J/kg
Mixed-layer LCL: 861 m above ground
0-6 km bulk shear: 70 kt
0-1 km storm-relative helicity: 88 m²/s²
0-3 km storm-relative helicity: 159 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.1

Open this sounding in Storm Lab

The text

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

628 
WFUS54 KMEG 262227
TORMEG
ARC035-123-262315-
/O.NEW.KMEG.TO.W.0066.110426T2227Z-110426T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
527 PM CDT TUE APR 26 2011

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN CRITTENDEN COUNTY IN EASTERN ARKANSAS...
  EASTERN ST. FRANCIS COUNTY IN EASTERN ARKANSAS...

* UNTIL 615 PM CDT

* AT 527 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM PRODUCING A TORNADO NEAR WIDENER...OR NEAR
  MADISON...MOVING EAST AT 30 MPH.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO FORREST
  CITY...HUGHES...JENNETTE...MADISON...NEW HOME...SIMSBORO AND
  WIDENER.

 THIS WARNING ALSO INCLUDES AREAS NEAR HORSESHOE LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

.IN ADDITION TO THE TORNADO...THIS STORM WILL PRODUCE BASEBALL SIZE 
HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

.IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

&&

LAT...LON 3503 9083 3515 9055 3515 9050 3517 9050
      3522 9038 3492 9029 3491 9073
TIME...MOT...LOC 2227Z 248DEG 25KT 3497 9066

$$

2 follow-up statements

460 
WWUS54 KMEG 262237 RRA
SVSMEG

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
537 PM CDT TUE APR 26 2011

ARC035-123-262315-
/O.CON.KMEG.TO.W.0066.000000T0000Z-110426T2315Z/
ST. FRANCIS AR-CRITTENDEN AR-
537 PM CDT TUE APR 26 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR CENTRAL
CRITTENDEN AND EASTERN ST. FRANCIS COUNTIES...

AT 537 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR IS TRACKING A 
TORNADO.  THIS TORNADO WAS LOCATED NEAR BURNT CANE...OR 7 
MILES SOUTHEAST OF MADISON...MOVING EAST AT 30 MPH.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HUGHES...
JENNETTE...NEW HOME...SIMSBORO...WIDENER...SHEARERVILLE...BROWNS...
PROCTOR...KATE...CHATFIELD...BECK...COTTONWOOD CORNER...ROUND POND
AND BURNT CANE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
BASEBALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

&&

LAT...LON 3515 9055 3515 9050 3517 9050 3522 9038
      3493 9029 3492 9030 3492 9067 3507 9071
TIME...MOT...LOC 2237Z 252DEG 27KT 3498 9059

$$

332 
WWUS54 KMEG 262259 RRA
SVSMEG

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
559 PM CDT TUE APR 26 2011

ARC035-123-262315-
/O.CON.KMEG.TO.W.0066.000000T0000Z-110426T2315Z/
ST. FRANCIS AR-CRITTENDEN AR-
559 PM CDT TUE APR 26 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR CENTRAL
CRITTENDEN AND NORTHEASTERN ST. FRANCIS COUNTIES...

AT 559 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR TARSUS...OR 8
MILES NORTHEAST OF HUGHES...MOVING NORTHEAST AT 35 MPH.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO JENNETTE...
SIMSBORO...SHEARERVILLE...BROWNS...PROCTOR...KATE...CHATFIELD...
HETH...JONQUIL...TARSUS...DEMOCRAT...GREASY CORNER...PENJUR AND NORTH
HUGHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING GOLF 
BALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

&&

LAT...LON 3515 9050 3517 9050 3522 9038 3498 9032
      3495 9045 3515 9055
TIME...MOT...LOC 2259Z 244DEG 30KT 3507 9039

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 25, 7:44 PM CDT	Flash Flood Warning	MEG	Clay, Greene	3 hr
Apr 25, 8:28 PM CDT	Tornado Warning	MEG	Clay	35 min
Apr 25, 8:39 PM CDT	Severe Thunderstorm Warning	MEG	Cross, Lee, Phillips, St. Francis	66 min
Apr 25, 9:00 PM CDT	Tornado Warning	MEG	Cross, Poinsett	45 min
Apr 25, 9:15 PM CDT	Flash Flood Warning	MEG	Clay	3 hr
Apr 25, 9:18 PM CDT	Severe Thunderstorm Warning	MEG	Craighead, Crittenden, Cross, Poinsett	42 min
Apr 25, 9:33 PM CDT	Flash Flood Warning	MEG	Craighead, Crittenden, Cross, Greene, Lee, Poinsett and 1 more	3 hr
Apr 25, 9:35 PM CDT	Severe Thunderstorm Warning	MEG	Crittenden, Cross, Lee, St. Francis	55 min
Apr 25, 9:44 PM CDT	Severe Thunderstorm Warning	MEG	Phillips	61 min
Apr 25, 9:45 PM CDT	Severe Thunderstorm Warning	MEG	Craighead, Crittenden, Mississippi, Poinsett	45 min
Apr 25, 10:28 PM CDT	Severe Thunderstorm Warning	MEG	Mississippi	47 min
Apr 25, 10:38 PM CDT	Flash Flood Warning	MEG	Mississippi	3 hr
Apr 25, 10:45 PM CDT	Flash Flood Warning	MEG	Clay, Greene	3 hr
Apr 25, 10:47 PM CDT	Severe Thunderstorm Warning	MEG	Mississippi	43 min
Apr 26, 12:14 AM CDT	Areal Flood Warning	MEG	Clay, Craighead, Greene, Lawrence, Randolph	12 hr
Apr 26, 1:32 AM CDT	Areal Flood Warning	MEG	Clay, Greene	10 hr
Apr 26, 3:18 AM CDT	Flash Flood Warning	MEG	Phillips	3 hr
Apr 26, 6:32 AM CDT	Severe Thunderstorm Warning	MEG	Lee, Phillips	30 min
Apr 26, 11:39 AM CDT	Areal Flood Warning	MEG	Clay, Craighead, Greene, Lawrence, Randolph	8 hr
Apr 26, 3:08 PM CDT	Special Weather Statement	MEG	Lee, St. Francis	52 min
Apr 26, 3:16 PM CDT	Severe Thunderstorm Warning	MEG	Cross, Lee, St. Francis	44 min
Apr 26, 3:54 PM CDT	Severe Thunderstorm Warning	MEG	Crittenden, Cross, Mississippi, Poinsett, St. Francis	51 min
Apr 26, 4:00 PM CDT	Severe Thunderstorm Warning	MEG	Cross, Lee, St. Francis	45 min
Apr 26, 4:09 PM CDT	Flash Flood Warning	MEG	Cross, Lee, St. Francis	6 hr
Apr 26, 4:13 PM CDT	Wind Advisory	MEG	Clay, Craighead, Crittenden, Cross, Greene, Lawrence and 6 more	13 hr
Apr 26, 4:35 PM CDT	Tornado Warning	MEG	Cross, Lee, St. Francis	55 min
Apr 26, 4:40 PM CDT	Severe Thunderstorm Warning	MEG	Craighead, Mississippi	50 min
Apr 26, 5:06 PM CDT	Tornado Warning	MEG	Phillips	54 min
Apr 26, 5:26 PM CDT	Flash Flood Warning	MEG	Lee, Phillips	6 hr
Apr 26, 5:34 PM CDT	Severe Thunderstorm Warning	MEG	Crittenden, Cross, St. Francis	41 min
Apr 26, 5:49 PM CDT	Flash Flood Warning	MEG	Crittenden, Cross, Mississippi, Poinsett, St. Francis	6 hr
Apr 26, 5:52 PM CDT	Tornado Warning	MEG	Lee, Phillips	53 min
Apr 26, 5:53 PM CDT	Tornado Warning	MEG	Crittenden	37 min
Apr 26, 6:02 PM CDT	Tornado Warning	MEG	Lee, Phillips, St. Francis	58 min
Apr 26, 6:09 PM CDT	Tornado Warning	MEG	Crittenden	50 min
Apr 26, 6:15 PM CDT	Tornado Warning	MEG	Phillips	60 min
Apr 26, 6:31 PM CDT	Flash Flood Warning	MEG	Crittenden, Mississippi	6 hr
Apr 26, 6:33 PM CDT	Severe Thunderstorm Warning	MEG	Mississippi	42 min
Apr 26, 6:34 PM CDT	Tornado Warning	MEG	Phillips	56 min
Apr 26, 6:52 PM CDT	Severe Thunderstorm Warning	MEG	Crittenden, Lee, St. Francis	38 min
Apr 26, 6:56 PM CDT	Flash Flood Warning	MEG	Crittenden, Lee	6 hr

Nearby

Tornado Warnings in Arkansas, 2011 Every tornado warning in 2011 Tornadoes 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.