Alert archive / Oklahoma / Tornado Warnings in 2003

Tornado Warning 43, NWS Tulsa, OK

May 8, 2003Osage County, Pawnee County, Oklahoma

NWS Tulsa, OK issued this tornado warning at May 8, 2003, 6:06 PM CDT for Osage County, Pawnee County, Oklahoma. It was in force for 54 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 8, 2003, 6:06 PM CDT (23:06 UTC)
Expired: May 8, 2003, 7:00 PM CDT
In force: 54 min
Issued by: NWS Tulsa, OK
Area: Counties, with a storm outline in the text

Counties Osage County, OK, Pawnee County, OK

The radar

The Vance AFB radar (KVNX), 109 km from the middle of the area, began a volume at 23:10 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 8, 1:35 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 11.1 hours before the alert went out and 152 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: 2594 J/kg
Mixed-layer CIN: -55 J/kg
Mixed-layer LCL: 646 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 164 m²/s²
0-3 km storm-relative helicity: 213 m²/s²
Significant tornado parameter: 3.1
Supercell composite: 11.0

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KTSA 082306
TORTUL
OKC113-117-090000-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
605 PM CDT THU MAY 8 2003

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR
  OSAGE COUNTY IN NORTHEAST OKLAHOMA
  PAWNEE COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 700 PM CDT

* AT 605 PM CDT...DOPPLER RADAR INDICATED A DEVELOPING TORNADO 28
  MILES WEST OF RALSTON. THIS DANGEROUS STORM IS MOVING NORTHEAST AT
  25 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...PAWHUSKA...
  SHIDLER...WYNONA...FAIRFAX...BARNSDALL...BURBANK...PEARSONIA...
  FORAKER...GRAINOLA AND RALSTON.

THIS REPLACES THE SEVERE THUNDERSTORM WARNING PREVIOUSLY IN EFFECT 
FOR OSAGE COUNTY.

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.

LAT...LON 3642 9734 3626 9724 3655 9610 3702 9663

The office that day

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

Issued	Product	Office	Counties	Lasted
May 8, 1:55 AM CDT	Severe Thunderstorm Warning	TSA	Tulsa	50 min
May 8, 3:50 AM CDT	Severe Thunderstorm Warning	TSA	Pittsburg	55 min
May 8, 4:20 AM CDT	Tornado Warning	TSA	Pittsburg	55 min
May 8, 4:42 AM CDT	Severe Thunderstorm Warning	TSA	Latimer	63 min
May 8, 5:04 AM CDT	Severe Thunderstorm Warning	TSA	Haskell	41 min
May 8, 5:41 AM CDT	Severe Thunderstorm Warning	TSA	Latimer, LeFlore	49 min
May 8, 6:04 AM CDT	Tornado Warning	TSA	LeFlore	56 min
May 8, 6:56 AM CDT	Severe Thunderstorm Warning	TSA	LeFlore	34 min
May 8, 5:50 PM CDT	Severe Thunderstorm Warning	TSA	Osage	55 min
May 8, 6:01 PM CDT	Tornado Warning	TSA	Creek, Okfuskee	59 min
May 8, 6:53 PM CDT	Tornado Warning	TSA	Osage	67 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.