Alert archive / Oklahoma / Tornado Warnings in 2004

Tornado Warning 52, NWS Tulsa, OK

May 26, 2004Pawnee County, Oklahoma

NWS Tulsa, OK issued this tornado warning at May 26, 2004, 7:15 PM CDT for Pawnee County, Oklahoma. It was in force for 60 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 26, 2004, 7:15 PM CDT (00:15 UTC)
Expired: May 26, 2004, 8:15 PM CDT
In force: 60 min
Issued by: NWS Tulsa, OK
Area: Counties, with a storm outline in the text

County Pawnee County, OK

The radar

The Vance AFB radar (KVNX), 103 km from the middle of the area, began a volume at 00:18 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 26, 6:25 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 0.3 hours before the alert went out and 136 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: 2661 J/kg
Mixed-layer CIN: -78 J/kg
Mixed-layer LCL: 1229 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: 177 m²/s²
0-3 km storm-relative helicity: 179 m²/s²
Significant tornado parameter: 2.0
Supercell composite: 9.6

Open this sounding in Storm Lab

The text

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

514 
WFUS54 KTSA 270015
TORTUL
OKC117-270115-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
715 PM CDT WED MAY 26 2004

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR
  PAWNEE COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 815 PM CDT

* AT 715 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH
  STRONG ROTATION 27 MILES WEST OF PAWNEE...MOVING EAST AT 35 MPH.
  THIS DANGEROUS STORM COULD PRODUCE A TORNADO AT ANY TIME.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...PAWNEE...
  HALLETT...MARAMEC...BLACKBURN AND SKEDEE.

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

IN ADDITION TO THE TORNADO THREAT...LARGE HAIL AND DAMAGING STRAIGHT
LINE WINDS CAN BE EXPECTED WITH THIS STORM. GO TO A SAFE PLACE NOW

LAT...LON 3651 9740 3633 9741 3618 9632 3650 9674

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 26, 7:25 PM CDT	Severe Thunderstorm Warning	TSA	Osage	80 min
May 26, 8:07 PM CDT	Tornado Warning	TSA	Osage	53 min
May 26, 8:14 PM CDT	Tornado Warning	TSA	Pawnee	61 min
May 26, 8:52 PM CDT	Tornado Warning	TSA	Osage	53 min
May 26, 8:54 PM CDT	Severe Thunderstorm Warning	TSA	Tulsa	66 min
May 26, 9:14 PM CDT	Tornado Warning	TSA	Tulsa	46 min
May 26, 9:24 PM CDT	Severe Thunderstorm Warning	TSA	Washington	51 min

Nearby

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