Alert archive / Oklahoma / Tornado Warnings in 2002

Tornado Warning 42, NWS Norman, OK

October 3, 2002Woods County, Oklahoma

NWS Norman, OK issued this tornado warning at Oct 3, 2002, 6:30 PM CDT for Woods County, Oklahoma. It was in force for 30 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: Oct 3, 2002, 6:30 PM CDT (23:30 UTC)
Expired: Oct 3, 2002, 7:00 PM CDT
In force: 30 min
Issued by: NWS Norman, OK
Area: Counties, with a storm outline in the text

County Woods County, OK

The radar

The Vance AFB radar (KVNX), 61 km from the middle of the area, began a volume at 23:30 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
Oct 3, 5:40 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Lamont, OK (KLMN), launched 12:00Z, 11.5 hours before the alert went out and 120 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: 108 J/kg
Mixed-layer CIN: -102 J/kg
Mixed-layer LCL: 0 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 153 m²/s²
0-3 km storm-relative helicity: 190 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -6.8

Open this sounding in Storm Lab

The text

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

009 
WFUS54 KOUN 032330
TOROKC
OKC151-040000-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORMAN OK
630 PM CDT THU OCT 3 2002

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* TORNADO WARNING FOR...
  WOODS COUNTY IN NORTHWEST OKLAHOMA

* UNTIL 700 PM CDT

* AT 630 PM CDT...DOPPLER RADAR DETECTED A SEVERE THUNDERSTORM  
  CAPABLE OF PRODUCING A TORNADO 13 MILES WEST OF CAPRON...MOVING  
  EAST-NORTHEAST AT 30 MPH.

* LOCATIONS IN THE WARNING INCLUDE CAPRON

IN ADDITION TO THE TORNADO THREAT... A LINE OF SEVERE THUNDERSTORMS 
EXTENDS FROM THE KANSAS STATE LINE NORTHWEST OF ALVA TO 9 MILES WEST 
OF AVARD.  THESE THUNDERSTORMS WILL BE CAPABLE OF PRODUCING DAMAGING 
WINDS AND HAIL TO THE SIZE OF HALF DOLLARS IN THE AVARD...CORA... 
AVARD...HOPETON AND ALVA AREAS.

TAKE COVER NOW. LEAVE MOBILE HOMES AND VEHICLES. IF POSSIBLE...MOVE
TO A BASEMENT OR STORM SHELTER. OTHERWISE MOVE TO AN INTERIOR ROOM OR
HALLWAY ON THE LOWEST FLOOR. STAY AWAY FROM WINDOWS AND OUTSIDE
WALLS.

LAT...LON 3698 9895 3682 9884 3688 9854 3700 9854

...SPEG.

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 2, 7:45 PM CDT	Severe Thunderstorm Warning	OUN	Kay	45 min
Oct 3, 12:49 AM CDT	Flash Flood Warning	OUN	Alfalfa	3 hr
Oct 3, 1:28 AM CDT	Flash Flood Warning	OUN	Woods, Woodward	3 hr
Oct 3, 3:41 AM CDT	Flash Flood Warning	OUN	Alfalfa	3 hr
Oct 3, 5:46 PM CDT	Severe Thunderstorm Warning	OUN	Woods	44 min
Oct 3, 5:55 PM CDT	Tornado Warning	OUN	Woods	35 min
Oct 3, 6:30 PM CDT	Tornado Warning	OUN	Woods	30 min

Nearby

Tornado Warnings in Oklahoma, 2002 Every tornado warning in 2002 Tornadoes in 2002

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.