Alert archive / Oklahoma / Tornado Warnings in 2009

Tornado Warning 28, NWS Tulsa, OK

June 10, 2009Adair County, Sequoyah County, Oklahoma; Crawford County, Washington County, Arkansas

NWS Tulsa, OK issued this tornado warning at Jun 10, 2009, 7:10 PM CDT for Adair County, Sequoyah County, Oklahoma; Crawford County, Washington County, Arkansas. 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
Jun 10, 2009, 7:10 PM CDT (00:10 UTC)
Expired
Jun 10, 2009, 7:46 PM CDT
In force
36 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon

Counties Crawford County, AR, Washington County, AR, Adair County, OK, Sequoyah County, OK

The radar

The Western Arkansas radar (KSRX), 55 km from the middle of the area, began a volume at 00:13 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
Jun 10, 3:46 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 0.2 hours before the alert went out and 133 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 2009-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3767 joules per kilogram.LCLEL10008507005003002001001 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 2009-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 square meters per square second.19395878Sfc1 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
3767 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
909 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
62 m²/s²
Significant tornado parameter
0.9
Supercell composite
4.9

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KTSA 110010
TORTSA
ARC033-143-OKC001-135-110100-
/O.NEW.KTSA.TO.W.0028.090611T0010Z-090611T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
710 PM CDT WED JUN 10 2009

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN SEQUOYAH COUNTY IN EAST CENTRAL OKLAHOMA
  SOUTHEASTERN ADAIR COUNTY IN NORTHEAST OKLAHOMA
  NORTHWESTERN CRAWFORD COUNTY IN NORTHWEST ARKANSAS
  SOUTHWESTERN WASHINGTON COUNTY IN NORTHWEST ARKANSAS

* UNTIL 800 PM CDT

* AT 709 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 9 MILES WEST OF
  NATURAL DAM...MOVING NORTHEAST AT 40 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...NATURAL DAM...
  LEE CREEK...STRICKLER...BLACKBURN...WINSLOW AND WEST FORK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3595 9419 3576 9405 3555 9454 3571 9463
TIME...MOT...LOC 0010Z 240DEG 34KT 3566 9455

$$
2 follow-up statements
000 
WWUS54 KTSA 110022
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
722 PM CDT WED JUN 10 2009

OKC001-135-110032-
/O.CAN.KTSA.TO.W.0028.000000T0000Z-090611T0100Z/
ADAIR OK-SEQUOYAH OK-
722 PM CDT WED JUN 10 2009

...THE TORNADO WARNING FOR NORTHEASTERN SEQUOYAH AND SOUTHEASTERN
ADAIR COUNTIES IS CANCELLED...

LAT...LON 3559 9446 3578 9450 3595 9419 3576 9405
TIME...MOT...LOC 0022Z 240DEG 34KT 3571 9445

$$

ARC033-143-110100-
/O.CON.KTSA.TO.W.0028.000000T0000Z-090611T0100Z/
WASHINGTON AR-CRAWFORD AR-
722 PM CDT WED JUN 10 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR
NORTHWESTERN CRAWFORD AND SOUTHWESTERN WASHINGTON COUNTIES...

AT 721 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS STORM WAS
LOCATED NEAR ODELL...MOVING NORTHEAST AT 40 MPH.

SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...ODELL...LEE
CREEK...STRICKLER...BLACKBURN...WINSLOW...MOUNT GAYLER...WOOLSEY AND
WEST FORK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

IN ADDITION TO A TORNADO...THIS STORM IS CAPABLE OF PRODUCING  
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 3559 9446 3578 9450 3595 9419 3576 9405
TIME...MOT...LOC 0022Z 240DEG 34KT 3571 9445

$$
000 
WWUS54 KTSA 110046
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
746 PM CDT WED JUN 10 2009

ARC033-143-110055-
/O.CAN.KTSA.TO.W.0028.000000T0000Z-090611T0100Z/
WASHINGTON AR-CRAWFORD AR-
746 PM CDT WED JUN 10 2009

...THE TORNADO WARNING FOR NORTHWESTERN CRAWFORD AND SOUTHWESTERN
WASHINGTON COUNTIES IS CANCELLED...

A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR THIS AREA UNTIL 
830 PM.  

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 10 PM.

LAT...LON 3559 9446 3578 9450 3595 9419 3576 9405
TIME...MOT...LOC 0045Z 240DEG 34KT 3582 9421

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 7:14 PM CDTSevere Thunderstorm WarningTSAAdair76 min
Jun 10, 7:53 PM CDTRiver Flood WarningTSAOttawa42 hr
Jun 10, 8:57 PM CDTSevere Thunderstorm WarningTSAChoctaw, Pushmataha78 min
Jun 11, 3:59 AM CDTDense Fog AdvisoryTSACherokee, Craig, Creek, Delaware, McIntosh, Mayes and 10 more4 hr
Jun 10, 7:57 PM CDTAreal Flood AdvisoryTSACrawford, Franklin, Madison, Washington2 hr
Jun 10, 8:10 PM CDTSevere Thunderstorm WarningTSACarroll, Madison49 min

Nearby

Tornado Warnings in Oklahoma, 2009Tornado Warnings in Arkansas, 2009Every tornado warning in 2009Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.