Alert archive / Arkansas / Tornado Warnings in 2006

Tornado Warning 6, NWS Tulsa, OK

March 11, 2006Benton County, Carroll County, Arkansas

NWS Tulsa, OK issued this tornado warning at Mar 11, 2006, 3:37 PM CST for Benton County, Carroll County, Arkansas. It was in force for 38 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
Mar 11, 2006, 3:37 PM CST (21:37 UTC)
Expired
Mar 11, 2006, 4:15 PM CST
In force
38 min
Issued by
NWS Tulsa, OK
Area
Counties, with a storm outline in the text

Counties Benton County, AR, Carroll County, AR

The radar

The Springfield radar (KSGF), 96 km from the middle of the area, began a volume at 21:40 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, 3:45 PM CSTHAIL 1.752 S Seligman, ARGOLF BALL SIZE HAIL REPORTED 2 INCHES DEEP 2 MILES SOUTH OF SELIGMAN
Mar 11, 3:45 PM CSTHAIL 1.75Gateway, AR
Mar 11, 3:49 PM CSTHAIL 1.75Busch, 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, 12:47 PM CSTTornado WatchSPC7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 9.6 hours before the alert went out and 49 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, Springfield, MO at 12:00Z on 2006-03-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 107 joules per kilogram.LCLLFCEL10008507005003002001001 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, Springfield, MO at 12:00Z on 2006-03-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 183 square meters per square second.1939587897Sfc1 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
107 J/kg
Mixed-layer CIN
-189 J/kg
Mixed-layer LCL
1474 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
183 m²/s²
0-3 km storm-relative helicity
120 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.6

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KTSA 112138
TORTSA
ARC007-015-112215-
/O.NEW.KTSA.TO.W.0006.060311T2137Z-060311T2215Z/

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

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR...
  CARROLL COUNTY IN NORTHWEST ARKANSAS
  EASTERN BENTON COUNTY IN NORTHWEST ARKANSAS

* UNTIL 415 PM CST

* AT 335 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION.  THIS STORM WAS LOCATED 5
  MILES SOUTHWEST OF GARFIELD...MOVING NORTHEAST AT 45 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...GARFIELD...
  GATEWAY AND BEAVER.

IN ADDITION TO A TORNADO...THIS STORM IS CAPABLE OF PRODUCING HALF 
DOLLAR SIZE HAIL AND 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 3650 9414 3633 9404 3648 9347 3652 9366

$$
4 follow-up statements
000 
WWUS54 KTSA 112147
SVSTSA

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

ARC007-015-112215-
/O.CON.KTSA.TO.W.0006.000000T0000Z-060311T2215Z/
CARROLL AR-BENTON AR-
347 PM CST SAT MAR 11 2006

...A TORNADO WARNING CONTINUES UNTIL 415 PM CST FOR EASTERN BENTON 
AND CARROLL COUNTIES...

AT 343 PM CST...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM WITH STRONG ROTATION.  THIS STORM WAS LOCATED
NEAR GARFIELD...MOVING NORTHEAST AT 45 MPH.

SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...BUSCH...
BEAVER...OAK HILL AND PLEASANT RIDGE.

IN ADDITION TO A TORNADO...THIS STORM IS CAPABLE OF PRODUCING TENNIS 
BALL SIZE HAIL AND 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 3650 9407 3636 9397 3648 9347 3652 9366

$$
000 
WWUS54 KTSA 112154
SVSTSA

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

ARC007-015-112215-
/O.CON.KTSA.TO.W.0006.000000T0000Z-060311T2215Z/
CARROLL AR-BENTON AR-
354 PM CST SAT MAR 11 2006

...A TORNADO WARNING CONTINUES UNTIL 415 PM CST FOR EASTERN BENTON 
AND CARROLL COUNTIES...

AT 352 PM CST...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM WITH STRONG ROTATION.  THIS STORM WAS LOCATED
NEAR BUSCH...MOVING NORTHEAST AT 45 MPH.

SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...BEAVER...OAK
HILL AND PLEASANT RIDGE.

IN ADDITION TO A TORNADO...THIS STORM IS CAPABLE OF PRODUCING TENNIS 
BALL SIZE HAIL AND 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 3649 9397 3635 9400 3648 9347 3652 9366

$$
000 
WWUS54 KTSA 112200
SVSTSA

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

ARC007-112209-
/O.CAN.KTSA.TO.W.0006.000000T0000Z-060311T2215Z/
BENTON AR-
359 PM CST SAT MAR 11 2006

...THE TORNADO WARNING FOR EASTERN BENTON COUNTY HAS BEEN 
CANCELLED...

THE THUNDERSTORM HAS MOVED OUT OF EASTERN BENTON COUNTY. 
THEREFORE...THE TORNADO WARNING HAD BEEN CANCELLED.

LAT...LON 3647 9353 3643 9368 3643 9370 3639 9385
      3649 9385 3649 9362 3650 9361 3650 9352
      3649 9352 3648 9347

$$

ARC015-112215-
/O.CON.KTSA.TO.W.0006.000000T0000Z-060311T2215Z/
CARROLL AR-
359 PM CST SAT MAR 11 2006

...A TORNADO WARNING CONTINUES UNTIL 415 PM CST FOR CARROLL COUNTY...

AT 356 PM CST...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM WITH STRONG ROTATION.  THIS STORM WAS LOCATED
NEAR BEAVER...MOVING NORTHEAST AT 50 MPH.

SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...PLEASANT RIDGE.

IN ADDITION TO A TORNADO...THIS STORM IS CAPABLE OF PRODUCING TENNIS 
BALL SIZE HAIL AND 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 3647 9353 3643 9368 3643 9370 3639 9385
      3649 9385 3649 9362 3650 9361 3650 9352
      3649 9352 3648 9347

$$
000 
WWUS54 KTSA 112215
SVSTSA

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

ARC015-112225-
/O.EXP.KTSA.TO.W.0006.000000T0000Z-060311T2215Z/
CARROLL AR-
415 PM CST SAT MAR 11 2006

...THE TORNADO WARNING FOR CARROLL COUNTY EXPIRES AT 415 PM CST...

THE THUNDERSTORM HAS MOVED OUT OF THE WARNED AREA...THEREFORE THE
TORNADO WARNING WILL BE ALLOWED TO EXPIRE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 8 PM CST.

LAT...LON 3647 9353 3643 9368 3643 9370 3639 9385
      3649 9385 3649 9362 3650 9361 3650 9352
      3649 9352 3648 9347

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 11, 12:11 AM CSTSevere Thunderstorm WarningTSASebastian66 min
Mar 11, 12:32 AM CSTSevere Thunderstorm WarningTSACrawford55 min
Mar 11, 12:48 AM CSTSevere Thunderstorm WarningTSAFranklin72 min
Mar 11, 2:47 PM CSTSevere Thunderstorm WarningTSABenton73 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.