Alert archive / Oklahoma / Tornado Warnings in 2000

Tornado Warning 11, NWS Norman, OK

March 7, 2000Canadian County, Oklahoma

NWS Norman, OK issued this tornado warning at Mar 7, 2000, 7:03 PM CST for Canadian County, Oklahoma. It was in force for 27 min. 1 report came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued: Mar 7, 2000, 7:03 PM CST (01:03 UTC)
Expired: Mar 7, 2000, 7:30 PM CST
In force: 27 min
Issued by: NWS Norman, OK
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Canadian County, OK

What was reported inside it

Time	Report	Where	Remark
Mar 7, 7:10 PM CST	Thunderstorm Wind 54 E	Okarche, OK

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Mar 7, 5:30 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 1.1 hours before the alert went out and 62 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: 588 J/kg
Mixed-layer CIN: -35 J/kg
Mixed-layer LCL: 838 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 220 m²/s²
0-3 km storm-relative helicity: 290 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 4.4

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KOUN 080104
TOROKC
OKC017-080130-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORMAN OK
703 PM CST TUE MAR 7 2000

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

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

* UNTIL 730 PM CST

* AT 703 PM CST...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING A TORNADO. THE MOST DANGEROUS PORTION OF      
  THE STORM WAS LOCATED 8 MILES SOUTH OF EL RENO...MOVING            
  NORTH NORTHEAST AT 45 MPH.

* LOCATIONS IN THE WARNING INCLUDE CONCHO...EL RENO AND PIEDMONT

TAKE COVER NOW. ABANDON MOBILE HOMES AND VEHICLES. MOVE TO AN
INTERIOR ROOM OR HALLWAY ON THE LOWEST FLOOR. STAY AWAY FROM WINDOWS.

LAT...LON 3541 9811 3540 9790 3567 9771 3574 9804

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 7, 6:10 PM CST	Tornado Warning	OUN	Comanche	35 min
Mar 7, 6:21 PM CST	Severe Thunderstorm Warning	OUN	Blaine	39 min
Mar 7, 6:23 PM CST	Severe Thunderstorm Warning	OUN	Cotton	52 min
Mar 7, 6:36 PM CST	Severe Thunderstorm Warning	OUN	Canadian, Kingfisher	54 min
Mar 7, 6:40 PM CST	Severe Thunderstorm Warning	OUN	Grady, Stephens	65 min
Mar 7, 6:40 PM CST	Severe Thunderstorm Warning	OUN	Jefferson	65 min
Mar 7, 7:24 PM CST	Severe Thunderstorm Warning	OUN	Cleveland, McClain	66 min
Mar 7, 7:24 PM CST	Severe Thunderstorm Warning	OUN	Oklahoma	66 min
Mar 7, 7:28 PM CST	Severe Thunderstorm Warning	OUN	Garvin	62 min
Mar 7, 7:35 PM CST	Severe Thunderstorm Warning	OUN	Carter	55 min
Mar 7, 7:40 PM CST	Severe Thunderstorm Warning	OUN	Logan	50 min
Mar 7, 7:58 PM CST	Severe Thunderstorm Warning	OUN	Garfield, Grant	47 min
Mar 7, 8:16 PM CST	Severe Thunderstorm Warning	OUN	Pottawatomie	59 min
Mar 7, 8:20 PM CST	Severe Thunderstorm Warning	OUN	Noble, Payne	40 min
Mar 7, 8:54 PM CST	Severe Thunderstorm Warning	OUN	Seminole	51 min
Mar 7, 9:44 PM CST	Severe Thunderstorm Warning	OUN	Hughes	46 min

Nearby

Tornado Warnings in Oklahoma, 2000 Every tornado warning in 2000 Tornadoes in 2000

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.