Alert archive / Arkansas / Tornado Warnings in 2006

Tornado Warning 101, NWS Memphis, TN

September 22, 2006Clay County, Arkansas

NWS Memphis, TN issued this tornado warning at Sep 22, 2006, 4:55 PM CDT for Clay County, Arkansas. It was in force for 35 min. 3 reports 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: Sep 22, 2006, 4:55 PM CDT (21:55 UTC)
Expired: Sep 22, 2006, 5:30 PM CDT
In force: 35 min
Issued by: NWS Memphis, TN
Area: Counties, with a storm outline in the text

County Clay County, AR

The radar

The Memphis radar (KNQA), 125 km from the middle of the area, began a volume at 21:57 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
Sep 22, 5:14 PM CDT	TSTM WND DMG	Knobel, AR
Sep 22, 5:14 PM CDT	TORNADO	Knobel, AR	TORNADO ON THE GROUND REPORTED BY OFFICER...WELL SOUTH OF THE TOWN OF CORNING NEAR KNOBEL.
Sep 22, 5:21 PM CDT	HAIL 1.75	Piggott, AR	GOLFBALL SIZED HAIL NEAR THE INTERSECTION OF HIGHWAYS 90 AND 135

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
Sep 22, 9:10 AM CDT	Tornado Watch PDS	SPC	9 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 9.9 hours before the alert went out and 177 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: 2207 J/kg
Mixed-layer CIN: -28 J/kg
Mixed-layer LCL: 574 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 268 m²/s²
0-3 km storm-relative helicity: 289 m²/s²
Significant tornado parameter: 3.2
Supercell composite: 13.4

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KMEG 222155
TORMEG
ARC021-222230-
/O.NEW.KMEG.TO.W.0101.060922T2155Z-060922T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
455 PM CDT FRI SEP 22 2006

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* TORNADO WARNING FOR...
  CLAY COUNTY IN EASTERN ARKANSAS
  THIS INCLUDES THE CITIES OF...PIGGOTT...CORNING

* UNTIL 530 PM CDT

* AT 452 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 6 MILES SOUTH OF REYNO...OR ABOUT 10 MILES EAST OF
  POCAHONTAS...MOVING NORTHEAST AT 40 MPH.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO DATTO...
  PEACH ORCHARD...KNOBEL...HICKORIA...MCDOUGAL...POLLARD AND
  GREENWAY.

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

IF NO BASEMENT 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 3638 9011 3635 9014 3628 9043 3628 9080
      3629 9080 3630 9075 3640 9075 3650 9052
      3650 9023

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 22, 6:44 AM CDT	Severe Thunderstorm Warning	MEG	Lawrence	31 min
Sep 22, 6:53 AM CDT	Tornado Warning	MEG	Lawrence	22 min
Sep 22, 6:58 AM CDT	Severe Thunderstorm Warning	MEG	Craighead, Greene	47 min
Sep 22, 3:34 PM CDT	Severe Thunderstorm Warning	MEG	Randolph	41 min
Sep 22, 3:38 PM CDT	Tornado Warning	MEG	Lawrence, Randolph	52 min
Sep 22, 4:04 PM CDT	Tornado Warning	MEG	Clay	41 min
Sep 22, 4:41 PM CDT	Tornado Warning	MEG	Randolph	34 min
Sep 22, 5:07 PM CDT	Tornado Warning	MEG	Greene	23 min
Sep 22, 5:29 PM CDT	Tornado Warning	MEG	Clay	31 min
Sep 22, 6:40 PM CDT	Tornado Warning	MEG	Lawrence, Randolph	50 min

Nearby

Tornado Warnings in Arkansas, 2006 Every tornado warning in 2006 Tornadoes in 2006

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.