Alert archive / Arkansas / Tornado Warnings in 2006

Tornado Warning 46, NWS Tulsa, OK

April 6, 2006Sebastian County, Arkansas

NWS Tulsa, OK issued this tornado warning at Apr 6, 2006, 9:01 PM CDT for Sebastian County, Arkansas. It was in force for 29 min. 4 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
Apr 6, 2006, 9:01 PM CDT (02:01 UTC)
Expired
Apr 6, 2006, 9:30 PM CDT
In force
29 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), 7 km from the middle of the area, began a volume at 02:02 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
Apr 6, 9:05 PM CDTTSTM WND DMGGreenwood, ARTREE DOWN AND POWER LINES DOWN
Apr 6, 9:13 PM CDTTSTM WND GST 65Greenwood, AR
Apr 6, 9:13 PM CDTHAIL 1Greenwood, AR
Apr 6, 9:14 PM CDTTSTM WND DMGGreenwood, ARTREE DOWN ON HOUSE

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
Apr 6, 4:41 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 2.0 hours before the alert went out and 187 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 00:00Z on 2006-04-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 571 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 00:00Z on 2006-04-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 198 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
571 J/kg
Mixed-layer CIN
-132 J/kg
Mixed-layer LCL
665 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
198 m²/s²
0-3 km storm-relative helicity
212 m²/s²
Significant tornado parameter
0.4
Supercell composite
4.2

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KTSA 070201
TORTSA
ARC131-070230-
/O.NEW.KTSA.TO.W.0046.060407T0201Z-060407T0230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
901 PM CDT THU APR 6 2006

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

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

* UNTIL 930 PM CDT

* AT 858 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 3 MILES
  SOUTHEAST OF HACKETT...MOVING EAST AT 55 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...JENNY LIND...
  GREENWOOD...BARLING...BURNVILLE...LAVACA...WASHBURN...BLOOMER AND
  FORT CHAFFEE.

IF YOU ARE NEAR THE PATH OF THIS STORM...TAKE COVER NOW IF NO
UNDERGROUND SHELTER IS AVAILABLE MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR. MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR MORE
SUBSTANTIAL SHELTER. AVOID WINDOWS

LAT...LON 3534 9444 3505 9443 3518 9404 3543 9408

$$
2 follow-up statements
000 
WWUS54 KTSA 070211
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
911 PM CDT THU APR 6 2006

ARC131-070230-
/O.CON.KTSA.TO.W.0046.000000T0000Z-060407T0230Z/
SEBASTIAN AR-
911 PM CDT THU APR 6 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 930 PM CDT FOR SEBASTIAN
COUNTY...

AT 906 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE MOST 
DANGEROUS PART OF THIS STORM WAS LOCATED ABOUT 2 MILES NORTHEAST OF  
GREENWOOD...MOVING NORTHEAST AT 60 MPH.

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

IF YOU ARE NEAR THE PATH OF THIS STORM...TAKE COVER NOW IF NO
UNDERGROUND SHELTER IS AVAILABLE MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR. MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR MORE
SUBSTANTIAL SHELTER. AVOID WINDOWS

LAT...LON 3535 9432 3511 9432 3518 9404 3543 9408

$$
000 
WWUS54 KTSA 070229
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
930 PM CDT THU APR 6 2006

ARC131-070240-
/O.EXP.KTSA.TO.W.0046.000000T0000Z-060407T0230Z/
SEBASTIAN AR-
930 PM CDT THU APR 6 2006

...THE TORNADO WARNING FOR SEBASTIAN COUNTY EXPIRES AT 930 PM CDT...

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 MIDNIGHT.

LAT...LON 3535 9432 3511 9432 3518 9404 3543 9408

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 6, 8:10 PM CDTSevere Thunderstorm WarningTSAWashington64 min
Apr 6, 8:14 PM CDTTornado WarningTSACrawford46 min
Apr 6, 8:42 PM CDTSevere Thunderstorm WarningTSASebastian63 min
Apr 6, 8:49 PM CDTSevere Thunderstorm WarningTSAFranklin, Madison71 min
Apr 6, 8:58 PM CDTSevere Thunderstorm WarningTSACrawford27 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.