Alert archive / Oklahoma / Tornado Warnings in 2005

Tornado Warning 22, NWS Tulsa, OK

April 21, 2005Rogers County, Oklahoma

NWS Tulsa, OK issued this tornado warning at Apr 21, 2005, 7:34 PM CDT for Rogers County, Oklahoma. It was in force for 26 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 21, 2005, 7:34 PM CDT (00:34 UTC)
Expired: Apr 21, 2005, 8:00 PM CDT
In force: 26 min
Issued by: NWS Tulsa, OK
Area: Counties, with a storm outline in the text

County Rogers County, OK

The radar

The Tulsa radar (KINX), 2 km from the middle of the area, began a volume at 00:36 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
Apr 21, 6:15 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 0.6 hours before the alert went out and 176 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: 1218 J/kg
Mixed-layer CIN: -48 J/kg
Mixed-layer LCL: 1229 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 81 m²/s²
0-3 km storm-relative helicity: 150 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 3.4

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KTSA 220035
TORTSA
OKC131-220100-
/O.NEW.KTSA.TO.W.0022.050422T0034Z-050422T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
734 PM CDT THU APR 21 2005

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

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

* UNTIL 800 PM CDT

* AT 730 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION.  THIS STORM WAS LOCATED 7
  MILES WEST OF INOLA...MOVING EAST AT 15 MPH.

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

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 3630 9543 3626 9543 3626 9544 3609 9544
      3609 9557 3609 9556 3614 9557 3615 9560
      3617 9562 3618 9575 3619 9575 3620 9573

$$

1 follow-up statement

000 
WWUS54 KTSA 220056
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
755 PM CDT THU APR 21 2005

OKC131-220100-
/O.CON.KTSA.TO.W.0022.000000T0000Z-050422T0100Z/
ROGERS OK-
755 PM CDT THU APR 21 2005

...A TORNADO WARNING CONTINUES UNTIL 800 PM CDT FOR ROGERS COUNTY...

AT 748 PM CDT...WEATHER SPOTTERS REPORTED A TORNADO 3 MILES 
SOUTHWEST OF INOLA.

SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...INOLA.

A TORNADO IS ON THE GROUND IF YOU ARE NEAR THE PATH OF THIS
TORNADO...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 3630 9543 3626 9543 3626 9544 3609 9544
      3609 9557 3609 9556 3614 9557 3615 9560
      3617 9562 3618 9575 3619 9575 3620 9573

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 21, 7:20 PM CDT	Severe Thunderstorm Warning	TSA	Rogers, Wagoner	55 min
Apr 21, 7:33 PM CDT	Severe Thunderstorm Warning	TSA	Mayes	57 min
Apr 21, 7:58 PM CDT	Tornado Warning	TSA	Mayes, Rogers, Wagoner	47 min
Apr 21, 8:17 PM CDT	Severe Thunderstorm Warning	TSA	Cherokee	88 min
Apr 21, 8:40 PM CDT	Tornado Warning	TSA	Cherokee, Wagoner	65 min
Apr 21, 8:52 PM CDT	Severe Thunderstorm Warning	TSA	Delaware	68 min
Apr 21, 9:29 PM CDT	Severe Thunderstorm Warning	TSA	Cherokee	46 min
Apr 21, 10:15 PM CDT	Severe Thunderstorm Warning	TSA	Cherokee	30 min
Apr 21, 10:44 PM CDT	Severe Thunderstorm Warning	TSA	Muskogee, Sequoyah	46 min
Apr 21, 10:44 PM CDT	Severe Thunderstorm Warning	TSA	Pittsburg	61 min
Apr 21, 11:02 PM CDT	Severe Thunderstorm Warning	TSA	Haskell	30 min
Apr 21, 11:11 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore	49 min
Apr 21, 11:23 PM CDT	Severe Thunderstorm Warning	TSA	Sequoyah	37 min
Apr 21, 11:59 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore	46 min
Apr 22, 12:41 AM CDT	Severe Thunderstorm Warning	TSA	LeFlore	64 min

Nearby

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