Alert archive / Oklahoma / Tornado Warnings in 2005

Tornado Warning 15, NWS Tulsa, OK

April 5, 2005Sequoyah County, Oklahoma

NWS Tulsa, OK issued this tornado warning at Apr 5, 2005, 6:48 PM CDT for Sequoyah County, Oklahoma. It was in force for 57 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
Apr 5, 2005, 6:48 PM CDT (23:48 UTC)
Expired
Apr 5, 2005, 7:45 PM CDT
In force
57 min
Issued by
NWS Tulsa, OK
Area
Counties, with a storm outline in the text

County Sequoyah County, OK

The radar

The Western Arkansas radar (KSRX), 31 km from the middle of the area, began a volume at 23:50 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
Apr 5, 2:30 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 11.8 hours before the alert went out and 185 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 12:00Z on 2005-04-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 14 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 12:00Z on 2005-04-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 189 square meters per square second.193958Sfc1 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
14 J/kg
Mixed-layer CIN
-649 J/kg
Mixed-layer LCL
852 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
189 m²/s²
0-3 km storm-relative helicity
166 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 052348
TORTSA
OKC135-060045-
/O.NEW.KTSA.TO.W.0015.050405T2349Z-050406T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
649 PM CDT TUE APR 5 2005

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR...
  SEQUOYAH COUNTY IN EAST CENTRAL OKLAHOMA

* UNTIL 745 PM CDT

* AT 645 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION.  THIS STORM WAS LOCATED
  13 MILES SOUTH OF VIAN...MOVING NORTHEAST AT 35 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...VIAN...
  SALLISAW...GANS...MARBLE CITY...MULDROW...BRUSHY...ROLAND AND
  SHORT.

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 3535 9451 3531 9450 3535 9459 3529 9466
      3532 9465 3536 9470 3536 9483 3538 9486
      3537 9489 3546 9503 3565 9488 3565 9447
      3540 9444

$$
3 follow-up statements
000 
WWUS54 KTSA 060003
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
703 PM CDT TUE APR 5 2005

OKC135-060045-
/O.CON.KTSA.TO.W.0015.000000T0000Z-050406T0045Z/
SEQUOYAH OK-
703 PM CDT TUE APR 5 2005

...A TORNADO WARNING CONTINUES UNTIL 745 PM CDT FOR SEQUOYAH
COUNTY...

AT 658 PM CDT...RADAR CONTINUED TO DETECT A DANGEROUS THUNDERSTORM
WITH VERY STRONG LOW LEVEL ROTATION...INDICATING A TORNADO IS
OCCURRING OR COULD FORM AT ANY TIME.  THIS STORM WAS LOCATED 7 MILES
SOUTH OF MC KEY...MOVING NORTHEAST AT 30 MPH.

SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...VIAN...MC KEY...
SALLISAW...GANS...MARBLE CITY...MULDROW...COTTONWOOD...BRUSHY...
ROLAND...DORA AND SHORT.

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 
QUARTER 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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT TUESDAY EVENING
FOR WEST CENTRAL ARKANSAS AND SOUTHEAST OKLAHOMA.

LAT...LON 3535 9451 3531 9450 3535 9459 3529 9466
      3532 9465 3536 9470 3536 9483 3538 9486
      3537 9489 3546 9503 3565 9488 3565 9447
      3540 9444

$$
000 
WWUS54 KTSA 060010
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
708 PM CDT TUE APR 5 2005

OKC135-060045-
/O.CON.KTSA.TO.W.0015.000000T0000Z-050406T0045Z/
SEQUOYAH OK-
708 PM CDT TUE APR 5 2005

...A TORNADO WARNING CONTINUES UNTIL 745 PM CDT FOR SEQUOYAH
COUNTY...

AT 703 PM CDT...RADAR CONTINUED TO DETECT A DANGEROUS THUNDERSTORM
WITH VERY STRONG LOW LEVEL ROTATION...INDICATING A TORNADO IS
OCCURRING OR COULD FORM AT ANY TIME.  THIS STORM WAS LOCATED 5 MILES
SOUTH OF MC KEY...MOVING NORTHEAST AT 30 MPH.

THIS TORNADIC STORM WILL PASS ACROSS INTERSTATE 40 BETWEEN VIAN AND 
SALLISAW. MOTORISTS IN THE PATH OF THIS STORM
SHOULD ABANDON VEHICLES FOR MORE SUBSTANTIAL SHELTER

SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...SALLISAW...
GANS...MARBLE CITY...MULDROW...COTTONWOOD...BRUSHY...ROLAND...DORA
AND SHORT.

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.

DO NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES TAKE COVER IN A NEARBY 
STURDY BUILDING. AS A LAST RESORT...TAKE COVER IN A DITCH OR 
CULVERT. PROTECT YOUR HEAD AND BODY FROM FLYING DEBRIS

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT TUESDAY EVENING
FOR WEST CENTRAL ARKANSAS AND SOUTHEAST OKLAHOMA.

LAT...LON 3535 9451 3531 9450 3535 9459 3529 9466
      3532 9465 3536 9470 3536 9483 3538 9486
      3537 9489 3546 9503 3565 9488 3565 9447
      3540 9444

$$
000 
WWUS54 KTSA 060016
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
716 PM CDT TUE APR 5 2005

OKC135-060045-
/O.CON.KTSA.TO.W.0015.000000T0000Z-050406T0045Z/
SEQUOYAH OK-
716 PM CDT TUE APR 5 2005

...A TORNADO WARNING CONTINUES UNTIL 745 PM CDT FOR SEQUOYAH
COUNTY...

AT 712 PM CDT...RADAR CONTINUED TO DETECT A DANGEROUS THUNDERSTORM
WITH VERY STRONG LOW LEVEL ROTATION...INDICATING A TORNADO IS
OCCURRING OR COULD FORM AT ANY TIME.  THIS STORM WAS LOCATED 2 MILES
EAST OF MC KEY...MOVING NORTHEAST AT 30 MPH.

SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...COTTONWOOD...
MULDROW...MARBLE CITY...BRUSHY...ROLAND...DORA AND SHORT.

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.

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT TUESDAY EVENING
FOR WEST CENTRAL ARKANSAS AND SOUTHEAST OKLAHOMA.

LAT...LON 3535 9451 3531 9450 3535 9459 3529 9466
      3532 9465 3536 9470 3540 9478 3542 9485
      3547 9497 3565 9488 3565 9447 3540 9444

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 5, 2:50 PM CDTSevere Thunderstorm WarningTSACreek55 min
Apr 5, 2:51 PM CDTSevere Thunderstorm WarningTSAOkfuskee54 min
Apr 5, 2:58 PM CDTSevere Thunderstorm WarningTSAOsage62 min
Apr 5, 3:04 PM CDTSevere Thunderstorm WarningTSATulsa56 min
Apr 5, 3:16 PM CDTSevere Thunderstorm WarningTSAOkmulgee59 min
Apr 5, 3:43 PM CDTSevere Thunderstorm WarningTSACreek47 min
Apr 5, 3:43 PM CDTSevere Thunderstorm WarningTSAOkfuskee47 min
Apr 5, 3:50 PM CDTSevere Thunderstorm WarningTSAMcIntosh70 min
Apr 5, 3:53 PM CDTSevere Thunderstorm WarningTSAOsage67 min
Apr 5, 3:56 PM CDTSevere Thunderstorm WarningTSATulsa64 min
Apr 5, 4:06 PM CDTSevere Thunderstorm WarningTSAWashington54 min
Apr 5, 4:11 PM CDTSevere Thunderstorm WarningTSAOkmulgee64 min
Apr 5, 4:14 PM CDTSevere Thunderstorm WarningTSAPittsburg91 min
Apr 5, 4:21 PM CDTSevere Thunderstorm WarningTSAMuskogee69 min
Apr 5, 4:22 PM CDTTornado WarningTSAWashington38 min
Apr 5, 4:30 PM CDTSevere Thunderstorm WarningTSANowata90 min
Apr 5, 4:31 PM CDTSevere Thunderstorm WarningTSARogers89 min
Apr 5, 4:45 PM CDTSevere Thunderstorm WarningTSAWagoner91 min
Apr 5, 4:56 PM CDTSevere Thunderstorm WarningTSATulsa, Washington64 min
Apr 5, 4:58 PM CDTSevere Thunderstorm WarningTSAMcIntosh47 min
Apr 5, 5:21 PM CDTSevere Thunderstorm WarningTSALatimer84 min
Apr 5, 5:27 PM CDTSevere Thunderstorm WarningTSAMuskogee48 min
Apr 5, 5:28 PM CDTSevere Thunderstorm WarningTSAMayes92 min
Apr 5, 5:33 PM CDTSevere Thunderstorm WarningTSAChoctaw, Pushmataha117 min
Apr 5, 5:40 PM CDTSevere Thunderstorm WarningTSAHaskell65 min
Apr 5, 5:44 PM CDTSevere Thunderstorm WarningTSAPittsburg61 min
Apr 5, 5:47 PM CDTSevere Thunderstorm WarningTSACherokee88 min
Apr 5, 5:52 PM CDTSevere Thunderstorm WarningTSACraig, Nowata83 min
Apr 5, 6:05 PM CDTTornado WarningTSAPushmataha55 min
Apr 5, 6:10 PM CDTTornado WarningTSAHaskell50 min
Apr 5, 6:22 PM CDTSevere Thunderstorm WarningTSADelaware83 min
Apr 5, 6:27 PM CDTTornado WarningTSAChoctaw66 min
Apr 5, 6:43 PM CDTSevere Thunderstorm WarningTSALatimer47 min
Apr 5, 6:51 PM CDTTornado WarningTSALatimer, LeFlore54 min
Apr 5, 6:57 PM CDTTornado WarningTSAPushmataha48 min
Apr 5, 6:57 PM CDTTornado WarningTSAHaskell48 min

Nearby

Tornado Warnings in Oklahoma, 2005Every tornado warning in 2005Tornadoes in 2005

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.