Alert archive / Arkansas / Tornado Warnings in 2006

Tornado Warning 8, NWS Tulsa, OK

March 11, 2006Sebastian County, Arkansas

NWS Tulsa, OK issued this tornado warning at Mar 11, 2006, 9:36 PM CST for Sebastian County, Arkansas. It was in force for 51 min. 2 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
Mar 11, 2006, 9:36 PM CST (03:36 UTC)
Expired
Mar 11, 2006, 10:27 PM CST
In force
51 min
Issued by
NWS Tulsa, OK
Area
Counties, with a storm outline in the text

County Sebastian County, AR

The radar

The Western Arkansas radar (KSRX), 12 km from the middle of the area, began a volume at 03:38 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

TimeReportWhereRemark
Mar 11, 9:42 PM CSTHAIL 4.25Excelsior, AR
Mar 11, 9:49 PM CSTHAIL 1.75Greenwood, AR

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.

IssuedProductOfficeLasted
Mar 11, 6:49 PM CSTTornado WatchSPC7 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 3.6 hours before the alert went out and 282 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-pSkew-T log-p diagram, Norman, OK at 00:00Z on 2006-03-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 00:00Z on 2006-03-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 47 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3397 m above ground
0-6 km bulk shear
72 kt
0-1 km storm-relative helicity
47 m²/s²
0-3 km storm-relative helicity
131 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KTSA 120336
TORTSA
ARC131-120430-
/O.NEW.KTSA.TO.W.0008.060312T0336Z-060312T0430Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
936 PM CST SAT MAR 11 2006

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR...
  SEBASTIAN COUNTY IN WEST CENTRAL ARKANSAS

* UNTIL 1030 PM CST

* AT 934 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION.  THIS STORM WAS LOCATED 3
  MILES NORTHWEST OF MIDLAND...MOVING NORTHEAST AT 40 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...EXCELSIOR...
  JENNY LIND...GREENWOOD...BURNVILLE...BLOOMER AND LAVACA.

NIGHTTIME TORNADOES ARE ESPECIALLY DANGEROUS - TAKE COVER NOW IF YOU
WAIT UNTIL YOU SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A
SAFE PLACE

LAT...LON 3518 9444 3502 9445 3517 9409 3542 9408

$$
5 follow-up statements
000 
WWUS54 KTSA 120342
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
942 PM CST SAT MAR 11 2006

ARC047-120430-
/O.CON.KTSA.TO.W.0007.000000T0000Z-060312T0430Z/
FRANKLIN AR-
942 PM CST SAT MAR 11 2006

...A TORNADO WARNING CONTINUES UNTIL 1030 PM CST FOR FRANKLIN
COUNTY...

AT 938 PM CST...RADAR CONTINUED TO DETECT A DANGEROUS THUNDERSTORM
WITH VERY STRONG LOW LEVEL ROTATION...INDICATING A TORNADO IS 
OCCURRING OR COULD FORM AT ANY TIME.  STORM SPOTTERS HAVE REPORTED 
STRONG ROTATION WITH THIS STORM AS IT WAS LOCATED 4 MILES SOUTHEAST 
OF TONEY...MOVING NORTHEAST AT 40 MPH.

SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...OZARK...
JETHRO...ALTUS...WATALULA...WIEDERKEHR VILLAGE...PARADISE...BARNES...
MOUNTAIN TOP AND TAFT.

NIGHTTIME TORNADOES ARE ESPECIALLY DANGEROUS - TAKE COVER NOW IF YOU
WAIT UNTIL YOU SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A
SAFE PLACE

LAT...LON 3555 9401 3545 9399 3542 9370 3570 9370

$$
000 
WWUS54 KTSA 120349
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
948 PM CST SAT MAR 11 2006

ARC131-120430-
/O.CON.KTSA.TO.W.0008.000000T0000Z-060312T0430Z/
SEBASTIAN AR-
948 PM CST SAT MAR 11 2006

...A TORNADO WARNING CONTINUES UNTIL 1030 PM CST FOR SEBASTIAN
COUNTY...

AT 947 PM CST...RADAR CONTINUED TO DETECT A DANGEROUS THUNDERSTORM
WITH VERY STRONG LOW LEVEL ROTATION...INDICATING A TORNADO IS
OCCURRING OR COULD FORM AT ANY TIME.  THIS STORM WAS LOCATED 3 MILES
SOUTH OF EXCELSIOR...MOVING NORTHEAST AT 40 MPH.

SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...GREENWOOD...
BURNVILLE...LAVACA...BLOOMER AND URSULA.

IN ADDITION TO A TORNADO...THIS STORM HAS PRODUCED SOFTBALL SIZE 
HAIL NEAR EXCELSIOR AND MAY ALSO PRODUCE DESTRUCTIVE STRAIGHT 
LINE WINDS. IF NO UNDERGROUND SHELTER IS AVAILABLE TAKE COVER ON THE 
LOWEST FLOOR IN AN INTERIOR ROOM AWAY FROM WINDOWS.

LAT...LON 3519 9437 3513 9439 3517 9409 3542 9408

$$
000 
WWUS54 KTSA 120358
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
958 PM CST SAT MAR 11 2006

ARC131-120430-
/O.CON.KTSA.TO.W.0008.000000T0000Z-060312T0430Z/
SEBASTIAN AR-
958 PM CST SAT MAR 11 2006

...A TORNADO WARNING CONTINUES UNTIL 1030 PM CST FOR SEBASTIAN
COUNTY...

AT 955 PM CST...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM WITH STRONG ROTATION.  THIS STORM WAS LOCATED 2
MILES SOUTHWEST OF GREENWOOD...MOVING NORTHEAST AT 40 MPH.

SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...BURNVILLE...
BLOOMER...LAVACA AND URSULA.

NIGHTTIME TORNADOES ARE ESPECIALLY DANGEROUS - TAKE COVER NOW IF YOU
WAIT UNTIL YOU SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A
SAFE PLACE

LAT...LON 3522 9434 3516 9432 3517 9409 3542 9408

$$
000 
WWUS54 KTSA 120417
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1018 PM CST SAT MAR 11 2006

ARC131-120430-
/O.CON.KTSA.TO.W.0008.000000T0000Z-060312T0430Z/
SEBASTIAN AR-
1018 PM CST SAT MAR 11 2006

...A TORNADO WARNING CONTINUES UNTIL 1030 PM CST FOR SEBASTIAN
COUNTY...

AT 1016 PM CST...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE
A SEVERE THUNDERSTORM WITH STRONG ROTATION.  THIS STORM WAS LOCATED 2
MILES NORTHWEST OF URSULA...MOVING NORTHEAST AT 40 MPH.

THE SEVERE THUNDERSTORM WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS
OF THE INDICATED COUNTY.

NIGHTTIME TORNADOES ARE ESPECIALLY DANGEROUS - TAKE COVER NOW IF YOU
WAIT UNTIL YOU SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A
SAFE PLACE

LAT...LON 3533 9421 3529 9418 3529 9408 3542 9408

$$
000 
WWUS54 KTSA 120427
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1027 PM CST SAT MAR 11 2006

ARC131-120437-
/O.CAN.KTSA.TO.W.0008.000000T0000Z-060312T0430Z/
SEBASTIAN AR-
1027 PM CST SAT MAR 11 2006

...THE TORNADO WARNING FOR SEBASTIAN COUNTY HAS BEEN CANCELLED...

THE THUNDERSTORM HAS MOVED OUT OF THE WARNED AREA...THEREFORE THE
TORNADO WARNING HAS BEEN CANCELLED.

LAT...LON 3533 9421 3529 9418 3529 9408 3542 9408

$$

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 11, 7:22 PM CSTSevere Thunderstorm WarningTSACarroll31 min
Mar 11, 8:33 PM CSTSevere Thunderstorm WarningTSASebastian57 min
Mar 11, 8:37 PM CSTSevere Thunderstorm WarningTSAMadison, Washington53 min
Mar 11, 8:51 PM CSTSevere Thunderstorm WarningTSACrawford54 min
Mar 11, 9:14 PM CSTSevere Thunderstorm WarningTSAFranklin76 min
Mar 11, 9:26 PM CSTTornado WarningTSAFranklin64 min
Mar 11, 9:31 PM CSTSevere Thunderstorm WarningTSACarroll, Madison44 min
Mar 11, 10:06 PM CSTSevere Thunderstorm WarningTSACarroll, Madison35 min
Mar 11, 10:25 PM CSTTornado WarningTSAFranklin51 min
Mar 12, 12:13 AM CSTSevere Thunderstorm WarningTSACrawford, Washington62 min
Mar 12, 12:59 AM CSTSevere Thunderstorm WarningTSABenton31 min

Nearby

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