Alert archive / Oklahoma / Tornado Warnings in 2004

Tornado Warning 46, NWS Norman, OK

May 29, 2004Oklahoma County, Oklahoma

NWS Norman, OK issued this tornado warning at May 29, 2004, 8:51 PM CDT for Oklahoma County, Oklahoma. It was in force for 24 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 29, 2004, 8:51 PM CDT (01:51 UTC)
Expired
May 29, 2004, 9:15 PM CDT
In force
24 min
Issued by
NWS Norman, OK
Area
Counties, with a storm outline in the text

County Oklahoma County, OK

The radar

The Norman radar (KTLX), 45 km from the middle of the area, began a volume at 01:52 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 29, 2:55 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 1.9 hours before the alert went out and 52 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 00:00Z on 2004-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2169 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, Norman, OK at 00:00Z on 2004-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 97 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
2169 J/kg
Mixed-layer CIN
-70 J/kg
Mixed-layer LCL
1245 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
97 m²/s²
0-3 km storm-relative helicity
194 m²/s²
Significant tornado parameter
1.0
Supercell composite
4.6

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KOUN 300151
TOROKC
OKC109-300215-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORMAN OK
848 PM CDT SAT MAY 29 2004

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN OKLAHOMA COUNTY IN CENTRAL OKLAHOMA

* UNTIL 915 PM CDT

* AT 848 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 3 MILES WEST OF PIEDMONT OR 19 MILES WEST OF EDMOND...MOVING 
  EAST AT 20 MPH. THIS WILL AFFECT AREAS MAINLY NORTH OF THE KILPATRICK
  TURNPIKE. TORNADOES HAVE BEEN REPORTED WITH THIS STORM. 

* LOCATIONS IN THE WARNING INCLUDE EDMOND AND NORTHERN OKLAHOMA CITY

IN ADDITION TO A TORNADO THREAT... THIS STORM LIKELY CONTAINS DAMAGING 
HAIL TO THE SIZE OF BASEBALLS OR LARGER AND WINDS UP TO 100 MPH.

LAT...LON 3572 9767 3561 9767 3558 9733 3574 9736

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 29, 7:15 PM CDTTornado WarningOUNBlaine, Canadian30 min
May 29, 7:19 PM CDTSevere Thunderstorm WarningOUNKingfisher41 min
May 29, 7:44 PM CDTTornado WarningOUNCanadian31 min
May 29, 7:56 PM CDTSevere Thunderstorm WarningOUNKingfisher, Logan49 min
May 29, 8:12 PM CDTSevere Thunderstorm WarningOUNOklahoma33 min
May 29, 8:16 PM CDTTornado WarningOUNCanadian44 min
May 29, 8:42 PM CDTSevere Thunderstorm WarningOUNKingfisher, Logan, Oklahoma48 min
May 29, 8:58 PM CDTTornado WarningOUNCanadian17 min
May 29, 9:13 PM CDTTornado WarningOUNLogan, Oklahoma47 min
May 29, 9:39 PM CDTSevere Thunderstorm WarningOUNGrant51 min
May 29, 9:57 PM CDTTornado WarningOUNLincoln, Logan48 min
May 29, 10:00 PM CDTSevere Thunderstorm WarningOUNOklahoma30 min
May 29, 10:42 PM CDTTornado WarningOUNLincoln48 min
May 29, 10:46 PM CDTSevere Thunderstorm WarningOUNPayne44 min
May 30, 12:06 PM CDTSevere Thunderstorm WarningOUNHughes29 min
May 30, 2:29 PM CDTSevere Thunderstorm WarningOUNAtoka, Bryan46 min

Nearby

Tornado Warnings in Oklahoma, 2004Every tornado warning in 2004Tornadoes in 2004

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.