Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 473, NWS Tulsa, OK

November 9, 1998Osage County, Pawnee County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Nov 9, 1998, 8:08 PM CST for Osage County, Pawnee County, Oklahoma. It was in force for 52 min. 2 reports came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued
Nov 9, 1998, 8:08 PM CST (02:08 UTC)
Expired
Nov 9, 1998, 9:00 PM CST
In force
52 min
Issued by
NWS Tulsa, OK
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Osage County, OK, Pawnee County, OK

What was reported inside it

TimeReportWhereRemark
Nov 9, 8:20 PM CSTThunderstorm Wind 52Burbank, OK
Nov 9, 9:10 PM CSTThunderstorm Wind 52Foraker, 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
Nov 9, 6:45 PM CSTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 2.1 hours before the alert went out and 183 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 1998-11-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1298 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, Norman, OK at 00:00Z on 1998-11-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 359 square meters per square second.1939587897117136Sfc1 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
1298 J/kg
Mixed-layer CIN
-106 J/kg
Mixed-layer LCL
834 m above ground
0-6 km bulk shear
89 kt
0-1 km storm-relative helicity
359 m²/s²
0-3 km storm-relative helicity
378 m²/s²
Significant tornado parameter
2.0
Supercell composite
4.4

Open this sounding in Storm Lab

The text

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

338 
WUUS54 KTSA 100207 RRA
SVRTUL
OKC113-117-100300-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
808 PM CST MON NOV 9 1998

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR
     PAWNEE COUNTY IN NORTHEAST OKLAHOMA
     OSAGE COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 900 PM CST

* AT 806 PM CST SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 34 MILES WEST OF RALSTON TO 14 MILES WEST OF
  APPERSON TO 18 MILES WEST OF GRAINOLA...MOVING EAST AT 40 MILES PER
  HOUR.

* SOME LOCATIONS AFFECTED INCLUDE...  RALSTON...GRAINOLA...HULAH...
  FORAKER...BIGHEART...PEARSONIA...WEBB CITY...APPERSON...OKESA...
  BURBANK...NELAGONEY...TALLANT...PERSHING...BARNSDALL...FAIRFAX...
  WOLCO...WYNONA...AVANT...HOMINY...SHIDLER AND PAWHUSKA

HAIL TO THE SIZE OF DIMES AND WIND GUSTS TO 65 MPH CAN BE EXPECTED 
IN THE WARNED AREA.

DAMAGING WINDS MAY OCCUR UP TO 10 MILES AHEAD OF THE HEAVY RAIN AND 
HAIL. MOVE TO A SAFE PLACE NOW.

BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AS STORMS APPROACH.

LAT...LON 3700 9703 3678 9711 3633 9747 3642 9602
          3675 9601 3700 9599

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 Nov 9, 8:00 PM CST, 8 minutes earlier.

Area forecast discussion, Nov 9, 8:00 PM CST, 8 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
800 PM CST MON NOV 9 1998

SQUALL LINE WILL ENTER NW ZONES WITHIN THE HOUR AND EXPECT
IT TO CONTINUE ACROSS ALL OF THE AREA. GOING FORECAST LOOKS
OK AND WILL NOT UPDATE PRIOR TO 10 PM. WILL UPDATE ZONES
AS LINE OF STORMS CLEARS...LIKELY AROUND MIDNIGHT.
WIND ADVISORY LOOKS GOOD. /13

.TUL...
OK...WIND ADVISORY FOR TONIGHT FOR ZONES OKZ049...OKZ053>077.

AR...WIND ADVISORY FOR TONIGHT FOR ZONES ARZ001>002...ARZ010>011...
ARZ019>020...ARZ029.

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 9, 8:54 PM CSTSevere Thunderstorm WarningTSAOsage, Pawnee66 min
Nov 9, 9:35 PM CSTSevere Thunderstorm WarningTSACreek, Osage, Pawnee, Tulsa55 min
Nov 9, 9:35 PM CSTSevere Thunderstorm WarningTSAWashington55 min
Nov 9, 9:54 PM CSTSevere Thunderstorm WarningTSAOkfuskee51 min
Nov 9, 9:59 PM CSTSevere Thunderstorm WarningTSANowata46 min
Nov 9, 10:21 PM CSTSevere Thunderstorm WarningTSACraig, Nowata, Rogers54 min
Nov 9, 10:21 PM CSTSevere Thunderstorm WarningTSAOkfuskee, Okmulgee54 min
Nov 9, 10:21 PM CSTSevere Thunderstorm WarningTSAMuskogee, Tulsa, Wagoner54 min
Nov 9, 10:31 PM CSTSevere Thunderstorm WarningTSAMcIntosh, Pittsburg59 min
Nov 9, 10:48 PM CSTSevere Thunderstorm WarningTSAMayes27 min
Nov 9, 11:09 PM CSTSevere Thunderstorm WarningTSAHaskell, Muskogee51 min
Nov 9, 11:09 PM CSTSevere Thunderstorm WarningTSALatimer, Pushmataha51 min
Nov 9, 11:17 PM CSTSevere Thunderstorm WarningTSAChoctaw58 min
Nov 9, 11:20 PM CSTSevere Thunderstorm WarningTSAAdair, Cherokee, Delaware25 min
Nov 9, 11:20 PM CSTSevere Thunderstorm WarningTSAOttawa25 min
Nov 9, 11:20 PM CSTTornado WarningTSALatimer, Pittsburg40 min
Nov 9, 11:36 PM CSTSevere Thunderstorm WarningTSALeFlore, Sequoyah39 min
Nov 9, 11:39 PM CSTSevere Thunderstorm WarningTSADelaware, Ottawa51 min
Nov 9, 11:39 PM CSTSevere Thunderstorm WarningTSAAdair51 min
Nov 9, 11:39 PM CSTSevere Thunderstorm WarningTSACherokee51 min
Nov 9, 11:52 PM CSTTornado WarningTSAHaskell, Sequoyah38 min
Nov 9, 11:54 PM CSTTornado WarningTSALatimer, LeFlore36 min
Nov 9, 11:59 PM CSTTornado WarningTSAHaskell31 min
Nov 10, 12:08 AM CSTSevere Thunderstorm WarningTSAChoctaw, Pushmataha37 min
Nov 10, 12:15 AM CSTTornado WarningTSALeFlore45 min
Nov 10, 12:22 AM CSTTornado WarningTSAAdair, Sequoyah38 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.