Alert archive / Oklahoma / Tornado Warnings in 2000

Tornado Warning 3, NWS Norman, OK

February 22, 2000Jackson County, Kiowa County, Oklahoma

NWS Norman, OK issued this tornado warning at Feb 22, 2000, 4:27 PM CST for Jackson County, Kiowa County, Oklahoma. It was in force for 48 min. 3 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
Feb 22, 2000, 4:27 PM CST (22:27 UTC)
Expired
Feb 22, 2000, 5:15 PM CST
In force
48 min
Issued by
NWS Norman, OK
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Jackson County, OK, Kiowa County, OK

What was reported inside it

TimeReportWhereRemark
Feb 22, 4:30 PM CSTHail 0.88Headrick, OK
Feb 22, 4:37 PM CSTHail 1Humphreys, OK
Feb 22, 4:38 PM CSTHail 0.88Headrick, 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.

IssuedProductOfficeLasted
Feb 22, 2:30 PM CSTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 10.5 hours before the alert went out and 171 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-pSkew-T log-p diagram, Norman, OK at 12:00Z on 2000-02-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 39 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 12:00Z on 2000-02-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 133 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
39 J/kg
Mixed-layer CIN
-444 J/kg
Mixed-layer LCL
626 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
133 m²/s²
0-3 km storm-relative helicity
186 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 KOUN 222228
TOROKC
OKC065-075-222315-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORMAN OK
427 PM CST TUE FEB 22 2000

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEAST JACKSON COUNTY IN SOUTHWEST OKLAHOMA
  SOUTHERN KIOWA COUNTY IN SOUTHWEST OKLAHOMA

* UNTIL 515 PM CST

* AT 427 PM CST...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING A TORNADO. THE MOST DANGEROUS PORTION OF THE
  STORM WAS LOCATED 5 MILES SOUTHWEST OF HEADRICK...MOVING NORTHEAST
  AT 35 MPH.

* LOCATIONS IN THE WARNING INCLUDE HEADRICK...ROOSEVELT AND TOM STEED
  RESERVOIR

THIS DEVELOPING TORNADO IS LIKELY OBSCURED BY RAIN AND MAY NOT BE 
VISIBLE. 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 3458 9929 3452 9921 3480 9889 3489 9909
ANDRA

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 22, 2:03 PM CSTSevere Thunderstorm WarningOUNRoger Mills42 min
Feb 22, 2:29 PM CSTSevere Thunderstorm WarningOUNDewey31 min
Feb 22, 4:05 PM CSTTornado WarningOUNJackson, Tillman25 min
Feb 22, 4:30 PM CSTSevere Thunderstorm WarningOUNTillman30 min
Feb 22, 4:53 PM CSTSevere Thunderstorm WarningOUNComanche42 min
Feb 22, 5:02 PM CSTSevere Thunderstorm WarningOUNTillman43 min
Feb 22, 5:14 PM CSTSevere Thunderstorm WarningOUNKiowa36 min
Feb 22, 5:26 PM CSTSevere Thunderstorm WarningOUNCaddo, Comanche49 min
Feb 22, 5:42 PM CSTSevere Thunderstorm WarningOUNCotton38 min

Nearby

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