Alert archive / Texas / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 310, NWS Norman, OK

June 15, 2002Tillman County, Oklahoma; Foard County, Wilbarger County, Texas

NWS Norman, OK issued this severe thunderstorm warning at Jun 15, 2002, 9:11 PM CDT for Tillman County, Oklahoma; Foard County, Wilbarger County, Texas. It was in force for 64 min. 10 reports 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
Jun 15, 2002, 9:11 PM CDT (02:11 UTC)
Expired
Jun 15, 2002, 10:15 PM CDT
In force
64 min
Issued by
NWS Norman, OK
Area
Whole counties

Counties Tillman County, OK, Foard County, TX, Wilbarger County, TX

The radar

The Altus AFB radar (KFDR), 39 km from the middle of the area, began a volume at 02:13 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.

What was reported inside it

TimeReportWhereRemark
Jun 15, 9:25 PM CDTThunderstorm Wind 50 MTipton, OKWind was measured by the Oklahoma mesonet.
Jun 15, 9:30 PM CDTThunderstorm Wind 66 ECrowell, TX
Jun 15, 9:30 PM CDTHail 0.75Crowell, TX
Jun 15, 9:35 PM CDTThunderstorm Wind 50 MTipton, OKWind was measured by the Oklahoma mesonet.
Jun 15, 9:45 PM CDTThunderstorm Wind 62 MGrandfield, OKWind was measured by the Oklahoma mesonet.
Jun 15, 9:50 PM CDTThunderstorm Wind 73 MGrandfield, OKWind was measured by the Oklahoma mesonet.
Jun 15, 9:50 PM CDTThunderstorm Wind 61 EOklaunion, TX
Jun 15, 9:52 PM CDTThunderstorm Wind 61 EHarrold, TX
Jun 15, 10:00 PM CDTThunderstorm WindGrandfield, OKPart of a restaurant roof blew off.
Jun 15, 10:20 PM CDTThunderstorm WindVernon, TXEight inch diameter tree limbs were downed.

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
Jun 15, 7:30 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 2.2 hours before the alert went out and 212 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 00:00Z on 2002-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 368 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 00:00Z on 2002-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 80 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
368 J/kg
Mixed-layer CIN
-259 J/kg
Mixed-layer LCL
1599 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
80 m²/s²
0-3 km storm-relative helicity
235 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KOUN 160211
SVROKC
OKC141-TXC155-487-160315-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORMAN OK
910 PM CDT SAT JUN 15 2002

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  FOARD COUNTY IN NORTHERN TEXAS
  WILBARGER COUNTY IN NORTHERN TEXAS
  TILLMAN COUNTY IN SOUTHWEST OKLAHOMA

* UNTIL 1015 PM CDT

* AT 910 PM CDT...DOPPLER RADAR DETECTED A LINE OF SEVERE            
  THUNDERSTORMS FROM SOUTHERN KIOWA COUNTY IN OKLAHOMA...TO NEAR     
  CHILDRESS IN TEXAS...MOVING SOUTHEAST AT 45 MPH.

* LOCATIONS IN THE WARNING INCLUDE CROWELL...DAVIDSON...FREDERICK...
  HOLLISTER...LOVELAND...MANITOU...MARGARET...ODELL...TIPTON AND
  VERNON

THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING PARTICULARLY DAMAGING
WINDS. MOBILE HOMES AND HIGH PROFILE VEHICLES ARE ESPECIALLY
SUSCEPTIBLE TO HIGH WINDS AND MAY BE OVERTURNED. MOVE TO A STURDY
BUILDING AND STAY AWAY FROM WINDOWS.
$$
JAMES

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 15, 7:07 PM CDTSevere Thunderstorm WarningOUNDewey38 min
Jun 15, 7:15 PM CDTSevere Thunderstorm WarningOUNGarfield, Kingfisher, Logan, Noble45 min
Jun 15, 7:26 PM CDTSevere Thunderstorm WarningOUNCuster64 min
Jun 15, 7:32 PM CDTSevere Thunderstorm WarningOUNBeckham, Roger Mills58 min
Jun 15, 7:51 PM CDTSevere Thunderstorm WarningOUNCanadian, Oklahoma39 min
Jun 15, 8:03 PM CDTSevere Thunderstorm WarningOUNCaddo, Washita57 min
Jun 15, 8:15 PM CDTSevere Thunderstorm WarningOUNBlaine30 min
Jun 15, 8:19 PM CDTSevere Thunderstorm WarningOUNGreer, Harmon, Kiowa56 min
Jun 15, 8:28 PM CDTSevere Thunderstorm WarningOUNBeckham32 min
Jun 15, 8:56 PM CDTSevere Thunderstorm WarningOUNJackson64 min
Jun 15, 9:01 PM CDTSevere Thunderstorm WarningOUNCaddo, Comanche, Grady59 min
Jun 15, 9:14 PM CDTSevere Thunderstorm WarningOUNKiowa31 min
Jun 15, 9:38 PM CDTSevere Thunderstorm WarningOUNCotton, Stephens52 min
Jun 15, 10:04 PM CDTSevere Thunderstorm WarningOUNJefferson56 min
Jun 15, 9:52 PM CDTSevere Thunderstorm WarningOUNBaylor, Knox68 min
Jun 15, 10:09 PM CDTSevere Thunderstorm WarningOUNArcher66 min
Jun 15, 10:17 PM CDTSevere Thunderstorm WarningOUNWilbarger28 min
Jun 15, 11:34 PM CDTSevere Thunderstorm WarningOUNKnox26 min

Nearby

Severe Thunderstorm Warnings in Texas, 2002Severe Thunderstorm Warnings in Oklahoma, 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; radar from the NEXRAD Level II archive.