Alert archive / Oklahoma / Tornado Warnings in 2003

Tornado Warning 27, NWS Tulsa, OK

May 4, 2003Nowata County, Oklahoma

NWS Tulsa, OK issued this tornado warning at May 4, 2003, 4:53 PM CDT for Nowata County, Oklahoma. It was in force for 37 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, 4:53 PM CDT (21:53 UTC)
Expired
May 4, 2003, 5:30 PM CDT
In force
37 min
Issued by
NWS Tulsa, OK
Area
Counties, with a storm outline in the text

County Nowata County, OK

The radar

The Tulsa radar (KINX), 59 km from the middle of the area, began a volume at 21:56 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
May 4, 12:35 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 9.9 hours before the alert went out and 167 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 2003-05-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 50 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 2003-05-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 282 square meters per square second.1939587897Sfc1 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
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.

884 
WFUS54 KTSA 042153
TORTUL
OKC105-042230-

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

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR
  SOUTHERN NOWATA COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 530 PM CDT

* AT 453 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH
  STRONG ROTATION 6 MILES WEST OF WATOVA...MOVING EAST AT 50 MPH.
  THIS DANGEROUS STORM COULD PRODUCE A TORNADO AT ANY TIME.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...NOWATA AND
  WATOVA.

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 3672 9582 3660 9580 3662 9543 3684 9543

The office that day

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

IssuedProductOfficeCountiesLasted
May 4, 3:53 PM CDTSevere Thunderstorm WarningTSAOsage, Washington67 min
May 4, 4:09 PM CDTSevere Thunderstorm WarningTSAMcIntosh66 min
May 4, 4:11 PM CDTSevere Thunderstorm WarningTSAPittsburg64 min
May 4, 4:22 PM CDTSevere Thunderstorm WarningTSAOsage, Washington53 min
May 4, 4:24 PM CDTSevere Thunderstorm WarningTSAOkfuskee, Okmulgee51 min
May 4, 4:27 PM CDTSevere Thunderstorm WarningTSANowata, Washington48 min
May 4, 4:37 PM CDTSevere Thunderstorm WarningTSAPittsburg38 min
May 4, 4:43 PM CDTSevere Thunderstorm WarningTSACraig, Nowata47 min
May 4, 4:45 PM CDTSevere Thunderstorm WarningTSAMuskogee, Wagoner45 min
May 4, 5:03 PM CDTTornado WarningTSAPittsburg57 min
May 4, 5:09 PM CDTTornado WarningTSACraig36 min
May 4, 5:13 PM CDTSevere Thunderstorm WarningTSACherokee, Mayes47 min
May 4, 5:25 PM CDTSevere Thunderstorm WarningTSADelaware50 min
May 4, 5:25 PM CDTTornado WarningTSALatimer65 min
May 4, 5:38 PM CDTTornado WarningTSACraig, Ottawa37 min
May 4, 5:57 PM CDTTornado WarningTSALeFlore63 min
May 4, 6:03 PM CDTTornado WarningTSAOttawa42 min

Nearby

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