Alert archive / Texas / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 252, NWS Norman, OK

June 4, 2002Baylor County, Knox County, Texas

NWS Norman, OK issued this severe thunderstorm warning at Jun 4, 2002, 6:44 PM CDT for Baylor County, Knox County, Texas. It was in force for 46 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 4, 2002, 6:44 PM CDT (23:44 UTC)
Expired
Jun 4, 2002, 7:30 PM CDT
In force
46 min
Issued by
NWS Norman, OK
Area
Counties, with a storm outline in the text

Counties Baylor County, TX, Knox County, TX

What was reported inside it

TimeReportWhereRemark
Jun 4, 6:55 PM CDTHail 0.88Vera, TX
Jun 4, 6:55 PM CDTHail 0.88Red Spgs, TX

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 nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 11.7 hours before the alert went out and 227 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, Fort Worth, TX at 12:00Z on 2002-06-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 617 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Worth, TX at 12:00Z on 2002-06-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -81 square meters per square second.1939Sfc1 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
617 J/kg
Mixed-layer CIN
-256 J/kg
Mixed-layer LCL
880 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-81 m²/s²
0-3 km storm-relative helicity
-19 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 
WUUS54 KOUN 042344
SVROKC
TXC023-275-050030-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORMAN OK
643 PM CDT TUE JUN 4 2002

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BAYLOR COUNTY IN NORTHERN TEXAS
  KNOX COUNTY IN NORTHERN TEXAS

* UNTIL 730 PM CDT

* AT 643 PM CDT...DOPPLER RADAR DETECTED A SEVERE THUNDERSTORM 
NEAR   GOREE...MOVING NORTHEAST AT 35 MPH. OTHER SEVERE STORMS WERE 
DEVELOPING SOUTH OF GOREE AND MUNDAY. THESE STORMS WERE ALSO MOVING 
NORTHEAST AT 35 MPH.

* LOCATIONS IN THE WARNING INCLUDE BOMARTON...GOREE...LAKE KEMP...
  MUNDAY...RED SPRINGS...RHINELAND AND VERA

HAIL UP TO THE SIZE OF QUARTERS IS LIKELY WITH THIS SEVERE 
THUNDERSTORM.

LAT...LON 3343 9983 3342 9934 3382 9918 3380 9964

Nearby

Severe Thunderstorm Warnings in Texas, 2002Every severe thunderstorm warning 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.