Alert archive / Oklahoma / Tornado Warnings in 2006

Tornado Warning 31, NWS Tulsa, OK

March 30, 2006LeFlore County, Oklahoma

NWS Tulsa, OK issued this tornado warning at Mar 30, 2006, 9:09 PM CST for LeFlore County, Oklahoma. It was in force for 36 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Mar 30, 2006, 9:09 PM CST (03:09 UTC)
Expired
Mar 30, 2006, 9:45 PM CST
In force
36 min
Issued by
NWS Tulsa, OK
Area
Counties, with a storm outline in the text

County LeFlore County, OK

The radar

The Western Arkansas radar (KSRX), 19 km from the middle of the area, began a volume at 03:09 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Mar 30, 5:39 PM CSTTornado WatchSPC6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 3.2 hours before the alert went out and 192 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 2006-03-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 366 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 2006-03-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 252 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
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 310309
TORTSA
OKC079-310345-
/O.NEW.KTSA.TO.W.0031.060331T0309Z-060331T0345Z/

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

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR...
  LE FLORE COUNTY IN SOUTHEAST OKLAHOMA

* UNTIL 945 PM CST

* AT 906 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 2 MILES NORTH OF
  SPIRO...MOVING EAST AT 40 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...POCOLA AND
  ARKOMA.

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 3518 9444 3518 9469 3534 9469 3531 9467
      3528 9467 3528 9466 3529 9463 3530 9463
      3534 9459 3530 9450 3535 9450 3537 9444
      3537 9444

$$
2 follow-up statements
000 
WWUS54 KTSA 310320
SVSTSA

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

OKC079-310345-
/O.CON.KTSA.TO.W.0031.000000T0000Z-060331T0345Z/
LE FLORE OK-
919 PM CST THU MAR 30 2006

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

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

SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...ARKOMA.

IN ADDITION TO A TORNADO...THIS STORM IS CAPABLE OF PRODUCING GOLF 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 3518 9444 3518 9469 3534 9469 3531 9467
      3528 9467 3528 9466 3529 9463 3530 9463
      3534 9459 3530 9450 3535 9450 3537 9444
      3537 9444

$$
000 
WWUS54 KTSA 310346
SVSTSA

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

OKC079-310356-
/O.EXP.KTSA.TO.W.0031.000000T0000Z-060331T0345Z/
LE FLORE OK-
946 PM CST THU MAR 30 2006

...THE TORNADO WARNING FOR LE FLORE COUNTY EXPIRES AT 945 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 MIDNIGHT.

LAT...LON 3518 9444 3518 9469 3534 9469 3531 9467
      3528 9467 3528 9466 3529 9463 3530 9463
      3534 9459 3530 9450 3535 9450 3537 9444
      3537 9444

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 30, 6:41 PM CSTSevere Thunderstorm WarningTSAPittsburg49 min
Mar 30, 7:03 PM CSTSevere Thunderstorm WarningTSAHaskell, Latimer57 min
Mar 30, 7:11 PM CSTTornado WarningTSAHaskell, Latimer64 min
Mar 30, 7:21 PM CSTSevere Thunderstorm WarningTSAMcIntosh54 min
Mar 30, 7:51 PM CSTTornado WarningTSALeFlore54 min
Mar 30, 8:10 PM CSTSevere Thunderstorm WarningTSASequoyah50 min
Mar 30, 8:56 PM CSTSevere Thunderstorm WarningTSASequoyah49 min
Mar 30, 9:17 PM CSTSevere Thunderstorm WarningTSAHaskell43 min
Mar 30, 9:53 PM CSTSevere Thunderstorm WarningTSASequoyah37 min

Nearby

Tornado Warnings in Oklahoma, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.