Alert archive / Oklahoma / Tornado Warnings in 1998

Tornado Warning 39, NWS Norman, OK

June 8, 1998Kay County, Oklahoma

NWS Norman, OK issued this tornado warning at Jun 8, 1998, 5:27 PM CDT for Kay County, Oklahoma. It was in force for 33 min. 5 reports 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: Jun 8, 1998, 5:27 PM CDT (22:27 UTC)
Expired: Jun 8, 1998, 6:00 PM CDT
In force: 33 min
Issued by: NWS Norman, OK
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Kay County, OK

What was reported inside it

Time	Report	Where
Jun 8, 5:30 PM CDT	Hail 1	Kildare, OK
Jun 8, 5:30 PM CDT	Hail 1.75	Kildare, OK
Jun 8, 5:30 PM CDT	Hail 1.5	(Pnc)Ponca City Arpt, OK
Jun 8, 5:35 PM CDT	Thunderstorm Wind 52	Burbank, OK
Jun 8, 5:40 PM CDT	Hail 1.75	Kaw City, 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
Jun 8, 2:45 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Lamont, OK (KLMN), launched 12:00Z, 10.5 hours before the alert went out and 45 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: 146 J/kg
Mixed-layer CIN: -308 J/kg
Mixed-layer LCL: 793 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 83 m²/s²
0-3 km storm-relative helicity: 171 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 6.5

Open this sounding in Storm Lab

The text

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

514 
WFUS1 KOKC 082229 RRA
TOROKC
OKC071-082300-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORMAN OK
527 PM CDT MON JUN 8 1998

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* TORNADO WARNING FOR...
     EASTERN KAY COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 600 PM CDT

* AT 527 PM CDT DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
  OF PRODUCING A TORNADO. THE MOST DANGEROUS PORTION OF THE STORM WAS
  LOCATED 3 MILES NORTH OF PONCA CITY...MOVING EAST AT 40 MILES
  PER HOUR.

* LOCATIONS IN THE WARNING INCLUDE WASHUNGA...PONCA CITY...NEWKIRK...
  KILDARE AND KAW CITY

DOPPLER RADAR INDICATES THIS STORM MAY CONTAIN DESTRUCTIVE HAIL TO
THE SIZE OF BASEBALLS...OR LARGER.

LAT...LON 3685 9726 3665 9718 3671 9670 3696 9673

KB

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 7, 10:40 PM CDT	Severe Thunderstorm Warning	OUN	Love	50 min
Jun 7, 10:59 PM CDT	Severe Thunderstorm Warning	OUN	Carter	46 min
Jun 7, 11:28 PM CDT	Severe Thunderstorm Warning	OUN	Love, Marshall	47 min
Jun 8, 12:02 AM CDT	Severe Thunderstorm Warning	OUN	Bryan	58 min
Jun 8, 2:29 AM CDT	Severe Thunderstorm Warning	OUN	Jackson	46 min
Jun 8, 4:13 AM CDT	Severe Thunderstorm Warning	OUN	Comanche	47 min
Jun 8, 2:39 PM CDT	Severe Thunderstorm Warning	OUN	Custer, Washita	36 min
Jun 8, 3:13 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Caddo, Custer, Washita	47 min
Jun 8, 3:25 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Major, Woods	35 min
Jun 8, 3:33 PM CDT	Severe Thunderstorm Warning	OUN	Canadian	42 min
Jun 8, 3:58 PM CDT	Tornado Warning	OUN	Canadian	32 min
Jun 8, 4:03 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Garfield, Grant	42 min
Jun 8, 4:25 PM CDT	Tornado Warning	OUN	Canadian, Oklahoma	35 min
Jun 8, 4:45 PM CDT	Severe Thunderstorm Warning	OUN	Garfield, Grant, Kay	45 min
Jun 8, 4:50 PM CDT	Severe Thunderstorm Warning	OUN	Caddo	30 min
Jun 8, 4:55 PM CDT	Tornado Warning	OUN	Oklahoma	35 min
Jun 8, 5:16 PM CDT	Severe Thunderstorm Warning	OUN	Lincoln	44 min
Jun 8, 5:19 PM CDT	Severe Thunderstorm Warning	OUN	Grady	56 min
Jun 8, 5:46 PM CDT	Severe Thunderstorm Warning	OUN	Cleveland, McClain	44 min
Jun 8, 6:10 PM CDT	Severe Thunderstorm Warning	OUN	Logan, Oklahoma	50 min
Jun 8, 6:21 PM CDT	Tornado Warning	OUN	Cleveland	24 min
Jun 8, 6:37 PM CDT	Severe Thunderstorm Warning	OUN	Pottawatomie	68 min

Nearby

Tornado Warnings in Oklahoma, 1998 Every tornado warning in 1998 Tornadoes in 1998

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.