Alert archive / Oklahoma / Tornado Warnings in 2003

Tornado Warning 10, NWS Tulsa, OK

April 19, 2003Washington County, Oklahoma

NWS Tulsa, OK issued this tornado warning at Apr 19, 2003, 5:50 PM CDT for Washington County, Oklahoma. It was in force for 40 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 19, 2003, 5:50 PM CDT (22:50 UTC)
Expired: Apr 19, 2003, 6:30 PM CDT
In force: 40 min
Issued by: NWS Tulsa, OK
Area: Counties, with a storm outline in the text

County Washington County, OK

The radar

The Tulsa radar (KINX), 81 km from the middle of the area, began a volume at 22:49 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 19, 2:30 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 10.8 hours before the alert went out and 189 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: 36 J/kg
Mixed-layer CIN: -416 J/kg
Mixed-layer LCL: 1511 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 251 m²/s²
0-3 km storm-relative helicity: 229 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 192250
TORTUL
OKC147-192330-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
550 PM CDT SAT APR 19 2003

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR
  NORTHERN WASHINGTON COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 630 PM CDT

* AT 550 PM CDT...DOPPLER RADAR INDICATED A DEVELOPING TORNADO 18
  MILES WEST OF BARTLESVILLE. THIS DANGEROUS STORM IS MOVING EAST AT
  45 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...DEWEY...COPAN
  AND BARTLESVILLE.

IF YOU ARE IN OR 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

MOTORISTS IN THE PATH OF THIS STORM SHOULD ABANDON VEHICLES FOR MORE
SUBSTANTIAL SHELTER 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

LAT...LON 3694 9600 3664 9602 3668 9581 3699 9580

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 19, 3:57 PM CDT	Tornado Warning	TSA	Creek, Okmulgee	33 min
Apr 19, 4:25 PM CDT	Tornado Warning	TSA	Tulsa	35 min
Apr 19, 4:29 PM CDT	Tornado Warning	TSA	Osage, Washington	61 min
Apr 19, 4:42 PM CDT	Severe Thunderstorm Warning	TSA	Pittsburg	48 min
Apr 19, 4:44 PM CDT	Tornado Warning	TSA	Creek, Okmulgee, Tulsa	46 min
Apr 19, 4:47 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	58 min
Apr 19, 4:47 PM CDT	Tornado Warning	TSA	Creek, Okmulgee, Tulsa	43 min
Apr 19, 4:57 PM CDT	Severe Thunderstorm Warning	TSA	Rogers, Wagoner	63 min
Apr 19, 5:06 PM CDT	Tornado Warning	TSA	Osage, Pawnee	39 min
Apr 19, 5:10 PM CDT	Tornado Warning	TSA	Pittsburg	50 min
Apr 19, 5:39 PM CDT	Tornado Warning	TSA	Osage	51 min
Apr 19, 6:07 PM CDT	Tornado Warning	TSA	Nowata, Washington	38 min
Apr 19, 6:25 PM CDT	Severe Thunderstorm Warning	TSA	Pittsburg	50 min
Apr 19, 6:44 PM CDT	Tornado Warning	TSA	Pittsburg	31 min

Nearby

Tornado Warnings in Oklahoma, 2003 Every tornado warning in 2003 Tornadoes in 2003

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.