Alert archive / Oklahoma / Tornado Warnings in 2002

Tornado Warning 10, NWS Norman, OK

April 17, 2002Woodward County, Oklahoma

NWS Norman, OK issued this tornado warning at Apr 17, 2002, 6:15 PM CDT for Woodward County, Oklahoma. It was in force for 30 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Apr 17, 2002, 6:15 PM CDT (23:15 UTC)
Expired
Apr 17, 2002, 6:45 PM CDT
In force
30 min
Issued by
NWS Norman, OK
Area
Whole counties

County Woodward County, OK

What was reported inside it

TimeReportWhereRemark
Apr 17, 6:35 PM CDTHail 0.88Mooreland, 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
Apr 17, 5:15 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 11.3 hours before the alert went out and 160 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, Dodge City, at 12:00Z on 2002-04-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Dodge City, at 12:00Z on 2002-04-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 283 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1612 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
283 m²/s²
0-3 km storm-relative helicity
399 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 172315
TOROKC
OKC153-172345-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORMAN OK
613 PM CDT WED APR 17 2002

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN WOODWARD COUNTY IN NORTHWEST OKLAHOMA

* UNTIL 645 PM CDT

* AT 613 PM CDT...DOPPLER RADAR DETECTED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING A TORNADO 9 MILES SOUTHWEST OF ALABASTER
  CAVERNS STATE PARK...MOVING NORTHEAST AT 30 MPH.

AT 608 PM CDT...A FUNNEL CLOUD WAS REPORTED ABOUT 8 MILES NORTHEAST 
OF WOODWARD.

* LOCATIONS IN THE WARNING INCLUDE ALABASTER CAVERNS STATE PARK

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.

$$
CJS

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 16, 7:16 PM CDTSevere Thunderstorm WarningOUNCarter44 min
Apr 16, 7:17 PM CDTSevere Thunderstorm WarningOUNAtoka, Coal43 min
Apr 16, 7:22 PM CDTSevere Thunderstorm WarningOUNJefferson38 min
Apr 16, 7:36 PM CDTTornado WarningOUNAtoka, Coal, Johnston24 min
Apr 16, 7:40 PM CDTTornado WarningOUNAtoka, Coal, Johnston20 min
Apr 16, 7:41 PM CDTSevere Thunderstorm WarningOUNCarter, Garvin, Murray49 min
Apr 16, 8:06 PM CDTTornado WarningOUNAtoka24 min
Apr 16, 8:07 PM CDTSevere Thunderstorm WarningOUNCoal38 min
Apr 16, 8:30 PM CDTTornado WarningOUNAtoka45 min
Apr 16, 9:16 PM CDTTornado WarningOUNAtoka29 min
Apr 17, 4:30 PM CDTSevere Thunderstorm WarningOUNEllis45 min
Apr 17, 4:54 PM CDTSevere Thunderstorm WarningOUNHarper, Woodward36 min
Apr 17, 5:30 PM CDTSevere Thunderstorm WarningOUNHarper, Woods, Woodward45 min
Apr 17, 5:40 PM CDTTornado WarningOUNWoodward35 min
Apr 17, 6:16 PM CDTSevere Thunderstorm WarningOUNHarper44 min
Apr 17, 6:24 PM CDTSevere Thunderstorm WarningOUNWoods51 min

Nearby

Tornado Warnings in Oklahoma, 2002Every tornado warning in 2002Tornadoes 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.