Alert archive / Oklahoma / Tornado Warnings in 2005

Tornado Warning 6, NWS Tulsa, OK

March 21, 2005Okmulgee County, Oklahoma

NWS Tulsa, OK issued this tornado warning at Mar 21, 2005, 4:57 PM CST for Okmulgee County, Oklahoma. It was in force for 48 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 21, 2005, 4:57 PM CST (22:57 UTC)
Expired
Mar 21, 2005, 5:45 PM CST
In force
48 min
Issued by
NWS Tulsa, OK
Area
Counties, with a storm outline in the text

County Okmulgee County, OK

The radar

The Tulsa radar (KINX), 55 km from the middle of the area, began a volume at 22:59 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 nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 11.0 hours before the alert went out and 154 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, Norman, OK at 12:00Z on 2005-03-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 12:00Z on 2005-03-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 434 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
512 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
434 m²/s²
0-3 km storm-relative helicity
584 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000
WFUS54 KTSA 212258
TORTSA
OKC111-212345-
/O.NEW.KTSA.TO.W.0006.050321T2257Z-050321T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
457 PM CST MON MAR 21 2005

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR...
  OKMULGEE COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 545 PM CST

* AT 455 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION.  THIS STORM WAS LOCATED
  NEAR OKMULGEE...MOVING NORTHEAST AT 20 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...MORRIS AND
  BALD HILL.

THIS STORM HAS WEAKENED HOWEVER THE TORNADIC POTENTIAL 
REMAINS...WITH HEAVY RAINFALL POSSIBLY OBSCURING ANY TORNADO THAT 
MAY DEVELOP. TAKE COVER NOW IF YOU WAIT TO SEE OR HEAR IT COMING...IT MAY 
BE TOO LATE TO GET TO A SAFE PLACE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 PM CST MONDAY EVENING FOR
EASTERN OKLAHOMA.

LAT...LON 3586 9579 3586 9576 3574 9576 3573 9575
      3573 9572 3563 9572 3550 9595 3564 9608

$$
2 follow-up statements
000
WWUS54 KTSA 212320
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
520 PM CST MON MAR 21 2005

OKC111-212345-
/O.CON.KTSA.TO.W.0006.000000T0000Z-050321T2345Z/
OKMULGEE OK-
520 PM CST MON MAR 21 2005

...A TORNADO WARNING CONTINUES UNTIL 545 PM CST FOR OKMULGEE
COUNTY...

AT 516 PM CST...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM WITH STRONG ROTATION.  THIS STORM WAS LOCATED 4
MILES SOUTHWEST OF BALD HILL...MOVING NORTHEAST AT 30 MPH.

SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...BALD HILL.

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

A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 PM CST MONDAY EVENING FOR
EASTERN OKLAHOMA.

LAT...LON 3586 9579 3586 9576 3574 9576 3573 9575
      3573 9572 3563 9572 3550 9595 3564 9608

$$
000
WWUS54 KTSA 212342
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
542 PM CST MON MAR 21 2005

OKC111-212352-
/O.EXP.KTSA.TO.W.0006.000000T0000Z-050321T2345Z/
OKMULGEE OK-
542 PM CST MON MAR 21 2005

...THE TORNADO WARNING FOR OKMULGEE COUNTY EXPIRES AT 545 PM CST...

THE THUNDERSTORM HAS MOVED OUT OF THE WARNED AREA AND WEAKENED BELOW
SEVERE LIMITS...THEREFORE THE TORNADO WARNING WILL BE ALLOWED TO 
EXPIRE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 PM CST MONDAY EVENING FOR
EASTERN OKLAHOMA. 

LAT...LON 3586 9579 3586 9576 3574 9576 3573 9575
      3573 9572 3563 9572 3550 9595 3564 9608

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 21, 3:59 PM CSTSevere Thunderstorm WarningTSAOkfuskee, Okmulgee61 min
Mar 21, 5:10 PM CSTTornado WarningTSAPittsburg65 min
Mar 21, 5:44 PM CSTTornado WarningTSAMcIntosh46 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.