Alert archive / Arkansas / Tornado Warnings in 2006

Tornado Warning 30, NWS Tulsa, OK

March 30, 2006Crawford County, Sebastian County, Arkansas

NWS Tulsa, OK issued this tornado warning at Mar 30, 2006, 8:46 PM CST for Crawford County, Sebastian County, Arkansas. It was in force for 59 min. 6 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 30, 2006, 8:46 PM CST (02:46 UTC)
Expired: Mar 30, 2006, 9:45 PM CST
In force: 59 min
Issued by: NWS Tulsa, OK
Area: Counties, with a storm outline in the text

Counties Crawford County, AR, Sebastian County, AR

The radar

The Western Arkansas radar (KSRX), 27 km from the middle of the area, began a volume at 02:45 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
Mar 30, 8:50 PM CST	HAIL 0.88	Van Buren, AR
Mar 30, 9:23 PM CST	HAIL 1	1 Sw Fort Smith, AR
Mar 30, 9:30 PM CST	HAIL 0.75	Fort Smith, AR
Mar 30, 9:30 PM CST	HAIL 1	Fort Smith, AR
Mar 30, 9:43 PM CST	HAIL 1.75	Central City, AR
Mar 30, 9:51 PM CST	HAIL 0.88	Barling, 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.

Issued	Product	Office	Lasted
Mar 30, 5:39 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 2.8 hours before the alert went out and 162 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: 366 J/kg
Mixed-layer CIN: -92 J/kg
Mixed-layer LCL: 1205 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 252 m²/s²
0-3 km storm-relative helicity: 535 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 2.8

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KTSA 310246
TORTSA
ARC033-131-310345-
/O.NEW.KTSA.TO.W.0030.060331T0246Z-060331T0345Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
846 PM CST THU MAR 30 2006

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

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

* UNTIL 945 PM CST

* AT 840 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A
  POTENTIALLY TORNADIC THUNDERSTORM WITH STRONG LOW LEVEL ROTATION 7
  MILES SOUTHWEST OF FORT SMITH...MOVING NORTHEAST AT 25 MPH. THIS IS
  A DANGEROUS STORM AND A TORNADO COULD FORM AT ANY TIME.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...FORT SMITH...
  BARLING...VAN BUREN...RUDY...ALMA...DYER AND MULBERRY.

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 9404 3549 9403 3544 9407 3537 9408
      3525 9444 3541 9443 3546 9444 3564 9408
      3558 9408 3558 9402 3565 9399 3567 9400
      3567 9402 3568 9398

$$

4 follow-up statements

000 
WWUS54 KTSA 310253
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
853 PM CST THU MAR 30 2006

ARC033-131-310345-
/O.CON.KTSA.TO.W.0030.000000T0000Z-060331T0345Z/
CRAWFORD AR-SEBASTIAN AR-
853 PM CST THU MAR 30 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 945 PM CST FOR SEBASTIAN
AND CRAWFORD COUNTIES...

AT 850 PM CST...RADAR CONTINUED TO INDICATE A POTENTIALLY TORNADIC
THUNDERSTORM WITH STRONG LOW LEVEL ROTATION.  THIS STORM WAS
LOCATED NEAR FORT SMITH...MOVING EAST AT 30 MPH. THIS IS A DANGEROUS 
STORM AND A TORNADO COULD FORM AT ANY TIME.

SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...VAN BUREN...
BARLING...SHIBLEY...FURRY...CENTRAL CITY...CONCORD...RUDY...KIBLER...
ALMA...DYER...MULBERRY AND PLEASANT HILL.

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 9404 3549 9403 3544 9407 3537 9408
      3525 9444 3541 9443 3546 9444 3564 9408
      3558 9408 3558 9402 3565 9399 3567 9400
      3567 9402 3568 9398

$$

000 
WWUS54 KTSA 310313
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
913 PM CST THU MAR 30 2006

ARC033-131-310345-
/O.CON.KTSA.TO.W.0030.000000T0000Z-060331T0345Z/
CRAWFORD AR-SEBASTIAN AR-
913 PM CST THU MAR 30 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 945 PM CST FOR SEBASTIAN
AND CRAWFORD COUNTIES...

AT 913 PM CST...RADAR CONTINUED TO INDICATE A POTENTIALLY TORNADIC 
THUNDERSTORM WITH STRONG LOW LEVEL ROTATION.  THIS STORM WAS LOCATED 
JUST SOUTHWEST OF DYER...MOVING NORTHEAST AT 30 MPH. THIS IS A 
DANGEROUS STORM...A TORNADO COULD FORM AT ANY TIME.

ANOTHER SEVERE THUNDERSTORM WITH STRONG ROTATION WAS LOCATED 1 MILE 
NORTH OF SPIRO...MOVING EAST AT 40 MPH. THIS STORM COULD ALSO 
PRODUCE A TORNADO AT ANY TIME.

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 9404 3549 9403 3544 9407 3537 9408
      3525 9444 3541 9443 3546 9444 3564 9408
      3558 9408 3558 9402 3565 9399 3567 9400
      3567 9402 3568 9398

$$

000 
WWUS54 KTSA 310324
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
921 PM CST THU MAR 30 2006

ARC033-131-310345-
/O.CON.KTSA.TO.W.0030.000000T0000Z-060331T0345Z/
CRAWFORD AR-SEBASTIAN AR-
921 PM CST THU MAR 30 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 945 PM CST FOR SEBASTIAN
AND CRAWFORD COUNTIES...

AT 914 PM CST...RADAR CONTINUED TO INDICATE A POTENTIALLY TORNADIC
THUNDERSTORM WITH STRONG LOW LEVEL ROTATION.  THIS STORM WAS LOCATED 
10 MILES SOUTHWEST OF FORT SMITH...MOVING EAST AT 35 MPH. THIS IS A 
DANGEROUS STORM...A TORNADO COULD FORM AT ANY TIME.

ANOTHER SEVERE THUNDERSTORM WITH STRONG ROTATION WAS LOCATED 3 MILES 
SOUTHEAST OF ALMA...MOVING EAST AT 35 MPH. THIS STORM COULD PRODUCE 
A TORNADO AT ANY TIME.

SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...MILL CREEK...
FORT SMITH...VAN BUREN...BARLING...FURRY...SHIBLEY...CENTRAL CITY...
RUDY...CONCORD...KIBLER...DYER...ALMA...MULBERRY AND PLEASANT HILL.

IN ADDITION TO A TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
GOLFBALL 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 3555 9404 3549 9403 3544 9407 3537 9408
      3525 9444 3541 9443 3546 9444 3564 9408
      3558 9408 3558 9402 3565 9399 3567 9400
      3567 9402 3568 9398

$$

000 
WWUS54 KTSA 310333
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
932 PM CST THU MAR 30 2006

ARC033-310342-
/O.CAN.KTSA.TO.W.0030.000000T0000Z-060331T0345Z/
CRAWFORD AR-
932 PM CST THU MAR 30 2006

...THE TORNADO WARNING FOR CRAWFORD COUNTY IS CANCELLED...

LAT...LON 3537 9408 3526 9443 3540 9442 3545 9440
      3543 9435 3538 9434 3536 9432 3535 9427
      3535 9422 3538 9418 3538 9414 3543 9415
      3544 9407 3544 9407

$$

ARC131-310345-
/O.CON.KTSA.TO.W.0030.000000T0000Z-060331T0345Z/
SEBASTIAN AR-
932 PM CST THU MAR 30 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 945 PM CST FOR SEBASTIAN
COUNTY...

AT 929 PM CST...RADAR CONTINUED TO INDICATE A POTENTIALLY TORNADIC
THUNDERSTORM WITH STRONG LOW LEVEL ROTATION.  THIS STORM WAS LOCATED 
NEAR FORT SMITH...MOVING EAST AT 30 MPH. THIS IS A DANGEROUS 
STORM...A TORNADO COULD FORM AT ANY TIME.

SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...BARLING AND
CENTRAL CITY.

IN ADDITION TO A TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
GOLFBALL 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 3537 9408 3526 9443 3540 9442 3545 9440
      3543 9435 3538 9434 3536 9432 3535 9427
      3535 9422 3538 9418 3538 9414 3543 9415
      3544 9407 3544 9407

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 30, 8:28 PM CST	Severe Thunderstorm Warning	TSA	Crawford	47 min
Mar 30, 8:39 PM CST	Severe Thunderstorm Warning	TSA	Sebastian	66 min
Mar 30, 9:44 PM CST	Severe Thunderstorm Warning	TSA	Crawford	46 min
Mar 30, 9:45 PM CST	Severe Thunderstorm Warning	TSA	Franklin, Sebastian	60 min
Mar 30, 10:31 PM CST	Severe Thunderstorm Warning	TSA	Crawford	44 min
Mar 30, 10:46 PM CST	Severe Thunderstorm Warning	TSA	Franklin	59 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.