Alert archive / Oklahoma / Tornado Warnings in 2009

Tornado Warning 1, NWS Tulsa, OK

February 10, 2009Osage County, Pawnee County, Oklahoma

NWS Tulsa, OK issued this tornado warning at Feb 10, 2009, 4:35 PM CST for Osage County, Pawnee County, Oklahoma. It was in force for 25 min. 5 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: Feb 10, 2009, 4:35 PM CST (22:35 UTC)
Expired: Feb 10, 2009, 5:00 PM CST
In force: 25 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon

Counties Osage County, OK, Pawnee County, OK

The radar

The Tulsa radar (KINX), 117 km from the middle of the area, began a volume at 22:38 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	Remark
Feb 10, 4:35 PM CST	TORNADO	3 S Pawnee, OK	TWO BARNS COMPLETELY DESTROYED. DEBRIS SCATTERING SEEMS TO BE CONSISTENT WITH DAMAGE CAUSED BY A TORNADO.
Feb 10, 4:38 PM CST	TSTM WND DMG	1 S Pawnee, OK	SINGLE-WIDE MOBILE OVERTURNED...EXTENSIVE DAMAGE TO A DOUBLE-WDE MOBILE HOME. REPORTED AS WIND DAMAGE. LOCATION ESTIMATED.
Feb 10, 4:50 PM CST	TSTM WND GST 62	3 Ene Pawnee, OK
Feb 10, 5:01 PM CST	TSTM WND DMG	Pawnee, OK	LARGE TREE LIMBS DOWN.
Feb 10, 5:01 PM CST	HAIL 1	1 N Pawnee, OK

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
Feb 10, 2:42 PM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Lamont, OK (KLMN), launched 12:00Z, 10.6 hours before the alert went out and 63 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2319 m above ground
0-6 km bulk shear: 64 kt
0-1 km storm-relative helicity: 51 m²/s²
0-3 km storm-relative helicity: 109 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KTSA 102235
TORTSA
OKC113-117-102300-
/O.NEW.KTSA.TO.W.0001.090210T2235Z-090210T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
435 PM CST TUE FEB 10 2009

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN OSAGE COUNTY IN NORTHEAST OKLAHOMA
  PAWNEE COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 500 PM CST

* AT 433 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 5 MILES
  SOUTHWEST OF PAWNEE...MOVING NORTHEAST AT 35 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...PAWNEE...
  SKEDEE...RALSTON AND FAIRFAX.

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 3668 9680 3659 9654 3618 9680 3619 9683
      3625 9683 3625 9691 3625 9692 3633 9692
      3633 9696 3634 9696
TIME...MOT...LOC 2236Z 204DEG 31KT 3630 9685

$$

2 follow-up statements

000 
WWUS54 KTSA 102241
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
441 PM CST TUE FEB 10 2009

OKC113-117-102300-
/O.CON.KTSA.TO.W.0001.000000T0000Z-090210T2300Z/
OSAGE OK-PAWNEE OK-
442 PM CST TUE FEB 10 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CST FOR PAWNEE
AND WESTERN OSAGE COUNTIES...

AT 438 PM CST...WEATHER SERVICE RADAR CONTINUED TO INDICATE A
POTENTIALLY TORNADIC THUNDERSTORM WITH STRONG LOW LEVEL ROTATION.
THIS STORM WAS LOCATED NEAR PAWNEE...MOVING NORTHEAST AT 35 MPH. THIS
IS A DANGEROUS STORM...A TORNADO IS OCCURRING OR COULD FORM AT ANY
TIME.

SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...SKEDEE...RALSTON
AND FAIRFAX.

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

LAT...LON 3668 9680 3659 9654 3618 9680 3619 9683
      3625 9683 3625 9691 3625 9692 3633 9692
      3633 9696 3634 9696
TIME...MOT...LOC 2242Z 204DEG 31KT 3635 9682

$$

000 
WWUS54 KTSA 102249
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
449 PM CST TUE FEB 10 2009

OKC113-117-102300-
/O.CON.KTSA.TO.W.0001.000000T0000Z-090210T2300Z/
OSAGE OK-PAWNEE OK-
449 PM CST TUE FEB 10 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CST FOR PAWNEE
AND WESTERN OSAGE COUNTIES...

AT 446 PM CST...WEATHER SERVICE RADAR CONTINUED TO INDICATE A
POTENTIALLY TORNADIC THUNDERSTORM WITH STRONG LOW LEVEL ROTATION.
THIS STORM WAS LOCATED NEAR SKEDEE...MOVING NORTHEAST AT 45 MPH. THIS
IS A DANGEROUS STORM...A TORNADO IS OCCURRING OR COULD FORM AT ANY
TIME.

SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...RALSTON AND
FAIRFAX.

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

LAT...LON 3668 9680 3659 9654 3618 9680 3619 9683
      3625 9683 3625 9691 3625 9692 3633 9692
      3633 9696 3634 9696
TIME...MOT...LOC 2249Z 219DEG 38KT 3641 9673

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 10, 2:10 PM CST	Special Weather Statement	TSA	Latimer	35 min
Feb 10, 2:46 PM CST	Flood Watch	TSA	Adair, Cherokee, Choctaw, Craig, Creek, Delaware and 15 more	13 hr
Feb 10, 2:51 PM CST	Severe Thunderstorm Warning	TSA	Haskell, Latimer, Pittsburg	39 min
Feb 10, 3:09 PM CST	Severe Thunderstorm Warning	TSA	Haskell, Latimer, LeFlore	51 min
Feb 10, 3:22 PM CST	Severe Thunderstorm Warning	TSA	McIntosh, Muskogee, Sequoyah	27 min
Feb 10, 3:38 PM CST	Special Weather Statement	TSA	Pittsburg	52 min
Feb 10, 3:59 PM CST	Severe Thunderstorm Warning	TSA	Adair, LeFlore, Sequoyah	61 min
Feb 10, 4:20 PM CST	Severe Thunderstorm Warning	TSA	Osage, Pawnee	40 min
Feb 10, 4:59 PM CST	Tornado Warning	TSA	Osage, Pawnee	46 min
Feb 10, 5:38 PM CST	Tornado Warning	TSA	Osage, Washington	52 min
Feb 10, 5:47 PM CST	Flash Flood Warning	TSA	Osage, Pawnee	4 hr

Nearby

Tornado Warnings in Oklahoma, 2009 Every tornado warning in 2009 Tornadoes in 2009

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.