Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 310, NWS Tulsa, OK

June 12, 1998Latimer County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Jun 12, 1998, 11:41 PM CDT for Latimer County, Oklahoma. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 12, 1998, 11:41 PM CDT (04:41 UTC)
Expired
Jun 13, 1998, 12:30 AM CDT
In force
49 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Latimer County, OK

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 4.7 hours before the alert went out and 199 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 1998-06-13Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 00:00Z on 1998-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 83 square meters per square second.1939587897Sfc1 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
3371 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
83 m²/s²
0-3 km storm-relative helicity
218 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTUL 130439 RRA
SVRTUL
OKC077-130530-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
1141 PM CDT FRI JUN 12 1998

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...

  SOUTHERN LATIMER COUNTY IN SOUTHEASTERN OKLAHOMA

* UNTIL 1230 AM CDT

* AT 1139 PM...NATIONAL WEATHER SERVICE RADAR DETECTED A SEVERE
  THUNDERSTORM 5 MILES SOUTH OF HIGGINS...MOVING EAST AT 30 MPH.

* SOME LOCATIONS AFFECTED INCLUDE...
  YANUSH
  RURAL AREAS OF SOUTHERN LATIMER COUNTY

  HAIL TO THE SIZE OF NICKLES AND WIND GUSTS TO 60 MPH CAN BE
  EXPECTED IN THE WARNED AREA.

BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AS STORMS APPROACH.Z

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1998Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive.