Alert archive / Oklahoma / Tornado Warnings in 1998

Tornado Warning 83, NWS Tulsa, OK

November 9, 1998Haskell County, Oklahoma

NWS Tulsa, OK issued this tornado warning at Nov 9, 1998, 11:59 PM CST for Haskell County, Oklahoma. It was in force for 31 min. 1 report 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
Nov 9, 1998, 11:59 PM CST (05:59 UTC)
Expired
Nov 10, 1998, 12:30 AM CST
In force
31 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Haskell County, OK

The radar

The Western Arkansas radar (KSRX), 69 km from the middle of the area, began a volume at 06:01 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
Nov 10, 12:00 AM CSTThunderstorm WindMc Curtain, OKNumerous trees were blown down.

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, 11:00 PM CSTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 6.0 hours before the alert went out and 207 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

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 9, 8:08 PM CSTSevere Thunderstorm WarningTSAOsage, Pawnee52 min
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 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

Tornado Warnings in Oklahoma, 1998Every tornado warning in 1998Tornadoes 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; radar from the NEXRAD Level II archive.