Alert archive / Oklahoma / Tornado Warnings in 2003

Tornado Warning 33, NWS Tulsa, OK

May 4, 2003Ottawa County, Oklahoma

NWS Tulsa, OK issued this tornado warning at May 4, 2003, 6:03 PM CDT for Ottawa County, Oklahoma. It was in force for 42 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: May 4, 2003, 6:03 PM CDT (23:03 UTC)
Expired: May 4, 2003, 6:45 PM CDT
In force: 42 min
Issued by: NWS Tulsa, OK
Area: Counties, with a storm outline in the text

County Ottawa County, OK

The radar

The Tulsa radar (KINX), 99 km from the middle of the area, began a volume at 23:06 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
May 4, 12:35 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 11.1 hours before the alert went out and 94 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: 50 J/kg
Mixed-layer CIN: -362 J/kg
Mixed-layer LCL: 735 m above ground
0-6 km bulk shear: 62 kt
0-1 km storm-relative helicity: 282 m²/s²
0-3 km storm-relative helicity: 474 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.7

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KTSA 042303
TORTUL
OKC115-042345-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
602 PM CDT SUN MAY 4 2003

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR
  OTTAWA COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 645 PM CDT

* AT 602 PM CDT...DOPPLER RADAR INDICATED A DEVELOPING TORNADO 3
  MILES EAST OF NARCISSA. THIS DANGEROUS STORM IS MOVING EAST AT 35
  MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...MIAMI...
  NARCISSA AND WYANDOTTE.

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

THIS IS A VERY DANGEROUS STORM. IF YOU ARE NEAR ITS PATH YOU SHOULD
PREPARE FOR LARGE DAMAGING HAIL...VIOLENT STRAIGHT LINE WINDS AND
POSSIBLY A TORNADO. IF NO UNDERGROUND SHELTER IS AVAILABLE TAKE COVER
ON THE LOWEST FLOOR IN AN INTERIOR ROOM AWAY FROM WINDOWS.

DO NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES

LAT...LON 3688 9501 3675 9500 3679 9463 3700 9462

The office that day

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

Issued	Product	Office	Counties	Lasted
May 4, 3:53 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Washington	67 min
May 4, 4:09 PM CDT	Severe Thunderstorm Warning	TSA	McIntosh	66 min
May 4, 4:11 PM CDT	Severe Thunderstorm Warning	TSA	Pittsburg	64 min
May 4, 4:22 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Washington	53 min
May 4, 4:24 PM CDT	Severe Thunderstorm Warning	TSA	Okfuskee, Okmulgee	51 min
May 4, 4:27 PM CDT	Severe Thunderstorm Warning	TSA	Nowata, Washington	48 min
May 4, 4:37 PM CDT	Severe Thunderstorm Warning	TSA	Pittsburg	38 min
May 4, 4:43 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Nowata	47 min
May 4, 4:45 PM CDT	Severe Thunderstorm Warning	TSA	Muskogee, Wagoner	45 min
May 4, 4:53 PM CDT	Tornado Warning	TSA	Nowata	37 min
May 4, 5:03 PM CDT	Tornado Warning	TSA	Pittsburg	57 min
May 4, 5:09 PM CDT	Tornado Warning	TSA	Craig	36 min
May 4, 5:13 PM CDT	Severe Thunderstorm Warning	TSA	Cherokee, Mayes	47 min
May 4, 5:25 PM CDT	Severe Thunderstorm Warning	TSA	Delaware	50 min
May 4, 5:25 PM CDT	Tornado Warning	TSA	Latimer	65 min
May 4, 5:38 PM CDT	Tornado Warning	TSA	Craig, Ottawa	37 min
May 4, 5:57 PM CDT	Tornado Warning	TSA	LeFlore	63 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.