Alert archive / Oklahoma / Tornado Warnings in 2003

Tornado Warning 17, NWS Tulsa, OK

April 19, 2003Haskell County, Oklahoma

NWS Tulsa, OK issued this tornado warning at Apr 19, 2003, 8:12 PM CDT for Haskell County, Oklahoma. It was in force for 33 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: Apr 19, 2003, 8:12 PM CDT (01:12 UTC)
Expired: Apr 19, 2003, 8:45 PM CDT
In force: 33 min
Issued by: NWS Tulsa, OK
Area: Counties, with a storm outline in the text

County Haskell County, OK

The radar

The Western Arkansas radar (KSRX), 61 km from the middle of the area, began a volume at 01:13 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
Apr 19, 2:30 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 1.2 hours before the alert went out and 217 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 3665 m above ground
0-6 km bulk shear: 87 kt
0-1 km storm-relative helicity: 31 m²/s²
0-3 km storm-relative helicity: 104 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KTSA 200112
TORTUL
OKC061-200145-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
812 PM CDT SAT APR 19 2003

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN HASKELL COUNTY IN SOUTHEAST OKLAHOMA

* UNTIL 845 PM CDT

* AT 812 PM CDT...DOPPLER RADAR INDICATED A TORNADIC THUNDERSTORM 5
  MILES NORTHWEST OF LEQUIRE...MOVING EAST AT 30 MPH. STORM SPOTTERS
  REPORTED A TORNADO ON THE GROUND THIS IS A LIFE THREATENING
  SITUATION...TAKE COVER NOW

* SOME LOCATIONS NEAR THE PATH OF THIS TORNADO INCLUDE...
  LEQUIRE...MC CURTAIN AND KEOTA.

A TORNADO HAS BEEN CONFIRMED IF YOU ARE NEAR THE PATH OF THIS
TORNADO...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 3507 9519 3523 9524 3535 9482 3522 9482
          3521 9493 3512 9493

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 19, 7:12 PM CDT	Tornado Warning	TSA	Pittsburg	28 min
Apr 19, 7:28 PM CDT	Tornado Warning	TSA	Pittsburg	32 min
Apr 19, 7:40 PM CDT	Tornado Warning	TSA	Haskell	35 min
Apr 19, 7:56 PM CDT	Tornado Warning	TSA	Latimer, Pittsburg	34 min
Apr 19, 8:28 PM CDT	Tornado Warning	TSA	Latimer, Pittsburg	32 min
Apr 19, 8:43 PM CDT	Tornado Warning	TSA	Haskell	62 min
Apr 19, 8:59 PM CDT	Severe Thunderstorm Warning	TSA	Sequoyah	46 min
Apr 19, 9:02 PM CDT	Severe Thunderstorm Warning	TSA	Pittsburg	28 min
Apr 19, 9:18 PM CDT	Flash Flood Warning	TSA	Haskell, Sequoyah	3 hr
Apr 19, 9:18 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore	57 min
Apr 19, 9:38 PM CDT	Tornado Warning	TSA	LeFlore	67 min
Apr 19, 9:45 PM CDT	Severe Thunderstorm Warning	TSA	Sequoyah	15 min
Apr 19, 10:02 PM CDT	Severe Thunderstorm Warning	TSA	Pittsburg	43 min
Apr 19, 11:35 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore	40 min
Apr 19, 11:43 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore, Sequoyah	47 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.