Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 344, NWS Tulsa, OK

June 18, 1998Latimer County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Jun 18, 1998, 11:55 PM CDT for Latimer County, Oklahoma. It was in force for 35 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 18, 1998, 11:55 PM CDT (04:55 UTC)
Expired
Jun 19, 1998, 12:30 AM CDT
In force
35 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Latimer County, OK

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 4.9 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 1998-06-19Temperature 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 1998-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 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
3904 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
224 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.

246 
WUUS54 KTSA 190455 RRA
SVRTUL
OKC077-190530-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
1155 PM CDT THU JUN 18 1998

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...

  LATIMER COUNTY IN SOUTHEASTERN OKLAHOMA

* UNTIL 1230 AM CDT

* AT 1153 PM...NATIONAL WEATHER SERVICE RADAR DETECTED A SEVERE
  THUNDERSTORM 3 MILES EAST OF HIGGINS...MOVING EAST AT 20 MPH.
  ANOTHER SEVERE THUNDERSTORM WAS LOCATED OVER EXTREME SOUTHEAST
  LATIMER COUNTY 2 MILES SOUTHWEST OF TALIHINA.

* SOME LOCATIONS AFFECTED INCLUDE...
  DAMON
  NORTH OF YANUSH

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

BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AS STORMS APPROACH.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Tulsa, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 18, 8:00 PM CDT, 3 hours 55 minutes earlier.

Area forecast discussion, Jun 18, 8:00 PM CDT, 3 hours 55 minutes before
FPUS3 KTUL 190057
AFDTUL

EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
800 PM CDT THU JUN 18 1998

WILL UPDATE ZONES SHORTLY TO ADJUST 1ST PERIOD POPS FOR CURRENT
TRENDS. COLD FRONT/DRYLINE NOW STARTING TO RETREAT SLIGHTLY BACK TO
THE WEST SO WILL ALSO ADJUST WINDS AND MIN TEMPS TONIGHT FOR THESE
TRENDS. ALSO ADDED SOME CLOUDS WHERE POPS ARE MENTIONED FRIDAY NIGHT.
HAVE NOT LOOKED AT MUCH ELSE SO WILL SAVE ANY OTHER CHANGES UNTIL
LATER.

.TUL...
OK...NONE.
AR...NONE.

PLATE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 7:11 PM CDTSevere Thunderstorm WarningTSACherokee64 min
Jun 18, 7:15 PM CDTTornado WarningTSAMuskogee, Wagoner30 min
Jun 18, 7:23 PM CDTSevere Thunderstorm WarningTSAOttawa37 min
Jun 18, 7:33 PM CDTTornado WarningTSACherokee42 min
Jun 18, 7:36 PM CDTTornado WarningTSAMcIntosh, Okmulgee39 min
Jun 18, 7:44 PM CDTSevere Thunderstorm WarningTSAMuskogee61 min
Jun 18, 7:49 PM CDTSevere Thunderstorm WarningTSAPittsburg56 min
Jun 18, 7:54 PM CDTSevere Thunderstorm WarningTSAOkfuskee51 min
Jun 18, 8:14 PM CDTTornado WarningTSAMcIntosh46 min
Jun 18, 8:19 PM CDTSevere Thunderstorm WarningTSALatimer56 min
Jun 18, 8:40 PM CDTTornado WarningTSAHaskell, Pittsburg50 min
Jun 18, 8:53 PM CDTTornado WarningTSALatimer37 min
Jun 18, 9:05 PM CDTSevere Thunderstorm WarningTSAHaskell, Pittsburg55 min
Jun 18, 9:08 PM CDTSevere Thunderstorm WarningTSASequoyah37 min
Jun 18, 9:12 PM CDTSevere Thunderstorm WarningTSALeFlore, Pushmataha63 min
Jun 18, 9:31 PM CDTTornado WarningTSALatimer44 min
Jun 18, 9:34 PM CDTFlash Flood WarningTSALatimer2 hr
Jun 18, 9:42 PM CDTTornado WarningTSASequoyah48 min
Jun 18, 10:07 PM CDTTornado WarningTSALeFlore38 min
Jun 18, 10:14 PM CDTSevere Thunderstorm WarningTSAPushmataha61 min
Jun 18, 10:20 PM CDTSevere Thunderstorm WarningTSAPittsburg40 min
Jun 18, 10:22 PM CDTSevere Thunderstorm WarningTSALatimer38 min
Jun 18, 10:25 PM CDTTornado WarningTSAPittsburg50 min
Jun 18, 10:56 PM CDTTornado WarningTSALatimer49 min
Jun 18, 11:17 PM CDTSevere Thunderstorm WarningTSAPittsburg43 min
Jun 18, 11:23 PM CDTSevere Thunderstorm WarningTSAOkmulgee37 min
Jun 18, 11:24 PM CDTTornado WarningTSAPushmataha51 min
Jun 18, 11:26 PM CDTSevere Thunderstorm WarningTSAMcIntosh49 min
Jun 18, 11:41 PM CDTSevere Thunderstorm WarningTSALeFlore64 min
Jun 18, 11:50 PM CDTFlash Flood WarningTSALatimer100 min
Jun 19, 12:07 AM CDTSevere Thunderstorm WarningTSAHaskell53 min
Jun 19, 12:44 AM CDTSevere Thunderstorm WarningTSALeFlore46 min
Jun 19, 1:06 AM CDTSevere Thunderstorm WarningTSAHaskell54 min
Jun 19, 1:29 AM CDTSevere Thunderstorm WarningTSALatimer, Pittsburg61 min
Jun 19, 1:59 AM CDTSevere Thunderstorm WarningTSAHaskell31 min
Jun 19, 2:11 AM CDTSevere Thunderstorm WarningTSALeFlore64 min

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.