Alert archive / Oklahoma / Tornado Warnings in 2006

Tornado Warning 62, NWS Tulsa, OK

September 21, 2006Pushmataha County, Oklahoma

NWS Tulsa, OK issued this tornado warning at Sep 21, 2006, 8:57 PM CDT for Pushmataha County, Oklahoma. It was in force for 33 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: Sep 21, 2006, 8:57 PM CDT (01:57 UTC)
Expired: Sep 21, 2006, 9:30 PM CDT
In force: 33 min
Issued by: NWS Tulsa, OK
Area: Counties, with a storm outline in the text

County Pushmataha County, OK

The radar

The Western Arkansas radar (KSRX), 135 km from the middle of the area, began a volume at 01:58 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.

Issued	Product	Office	Lasted
Sep 21, 2:51 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 2.0 hours before the alert went out and 215 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: 1270 J/kg
Mixed-layer CIN: -34 J/kg
Mixed-layer LCL: 1512 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 135 m²/s²
0-3 km storm-relative helicity: 254 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 6.6

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KTSA 220156
TORTSA
OKC127-220230-
/O.NEW.KTSA.TO.W.0062.060922T0157Z-060922T0230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
857 PM CDT THU SEP 21 2006

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR...
  PUSHMATAHA COUNTY IN SOUTHEAST OKLAHOMA

* UNTIL 930 PM CDT

* AT 854 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 7 MILES SOUTH OF
  SNOW...MOVING EAST AT 40 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...CLOUDY.

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 3443 9547 3422 9549 3423 9503 3444 9504

$$

2 follow-up statements

000 
WWUS54 KTSA 220216
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
917 PM CDT THU SEP 21 2006

OKC127-220230-
/O.CON.KTSA.TO.W.0062.000000T0000Z-060922T0230Z/
PUSHMATAHA OK-
917 PM CDT THU SEP 21 2006

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

AT 913 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS STORM WAS
LOCATED 9 MILES EAST OF CLOUDY...MOVING EAST AT 40 MPH.

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

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 3444 9533 3424 9537 3423 9503 3444 9504

$$

000 
WWUS54 KTSA 220233
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
933 PM CDT THU SEP 21 2006

OKC127-220243-
/O.EXP.KTSA.TO.W.0062.000000T0000Z-060922T0230Z/
PUSHMATAHA OK-
933 PM CDT THU SEP 21 2006

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

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

GUSTY WINDS...SMALL HAIL AND VERY HEAVY RAIN WILL STILL BE POSSIBLE
WITH THIS STORM.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 5 AM FRIDAY MORNING.

LAT...LON 3444 9533 3424 9537 3423 9503 3444 9504

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 21, 7:52 PM CDT	Tornado Warning	TSA	Craig, Nowata	38 min
Sep 21, 7:54 PM CDT	Tornado Warning	TSA	Pushmataha	66 min
Sep 21, 8:19 PM CDT	Tornado Warning	TSA	Latimer	56 min
Sep 21, 9:05 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore	55 min
Sep 22, 5:08 PM CDT	Severe Thunderstorm Warning	TSA	Sequoyah	20 min
Sep 22, 5:12 PM CDT	Severe Thunderstorm Warning	TSA	Adair	19 min

Nearby

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