Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 278, NWS Tulsa, OK

June 8, 1998Osage County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Jun 8, 1998, 10:29 PM CDT for Osage County, Oklahoma. It was in force for 46 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 8, 1998, 10:29 PM CDT (03:29 UTC)
Expired
Jun 8, 1998, 11:15 PM CDT
In force
46 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Osage County, OK

The radar

The Tulsa radar (KINX), 90 km from the middle of the area, began a volume at 03:29 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 8, 6:15 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 3.5 hours before the alert went out and 181 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 1998-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2377 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 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 1998-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 270 square meters per square second.1939587897117Sfc1 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
2377 J/kg
Mixed-layer CIN
-72 J/kg
Mixed-layer LCL
1123 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
270 m²/s²
0-3 km storm-relative helicity
254 m²/s²
Significant tornado parameter
0.0
Supercell composite
11.8

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.

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 8, 9:00 PM CDT, 1 hour 29 minutes earlier.

Area forecast discussion, Jun 8, 9:00 PM CDT, 1 hour 29 minutes before
FPUS3 KTUL 090156
AFDTUL
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
900 PM CDT MON JUN 8 1998

JUST SENT ANOTHER QUICK UPDATE TO COVER NEW TORNADO WATCH. CONT TO
WATCH TORNADIC SUPERCELL MOVG ACRS PITTBURG...MCINTOSH AND HASKELL
COUNTIES...AS WELL AS OTHER TSTMS N OF OKC AND OVER SC KS. SOUTHERN
SUPERCELL IN AXIS OF BEST INSTABILITY WITH LAPS CAPES AOA 3000 J/KG.
STORMS SHUD CONT NEXT FEW HOURS. WL ISSUE AT LEAST ONE MORE UPDATED
ZFP/RDF PACKAGE BEFORE MIDNIGHT.

SMITH

.TUL...

OK...TORNADO WATCH NUMBER 531 MOST OF SE OK.
AR...NONE.

In the hours before

Local storm report, Jun 8, 8:42 PM CDT, 1 hour 47 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
842 PM CDT MON JUN 08 1998

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0805 PM    HANNA                     OK   .75 INCH HAIL
06/08/98   MCINTOSH
Local storm report, Jun 8, 9:00 PM CDT, 1 hour 29 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
900 PM CDT MON JUN 08 1998

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0856 PM    4 S INDIANOLA             OK   TORNADO
06/08/98   PITTSBURG                      REPORTED BY CIVIL DEFENSE
                                          SPOTTERS
Local storm report, Jun 8, 10:00 PM CDT, 29 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1000 PM CDT MON JUN 08 1998

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0950 PM    RUSSELLVILLE              OK   TORNADO
06/08/98   PITTSBURG                      REPORTED BY PITTSBURG
                                          COUNTY EOC

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 8, 7:39 PM CDTSevere Thunderstorm WarningTSAOkfuskee51 min
Jun 8, 7:59 PM CDTSevere Thunderstorm WarningTSAMcIntosh, Pittsburg61 min
Jun 8, 8:09 PM CDTTornado WarningTSAPittsburg51 min
Jun 8, 8:21 PM CDTTornado WarningTSAMcIntosh39 min
Jun 8, 8:50 PM CDTTornado WarningTSAHaskell, McIntosh, Pittsburg70 min
Jun 8, 9:25 PM CDTTornado WarningTSALatimer50 min
Jun 8, 9:29 PM CDTFlash Flood WarningTSAHaskell, Pittsburg3 hr
Jun 8, 9:55 PM CDTTornado WarningTSAHaskell, Latimer, LeFlore65 min
Jun 8, 10:16 PM CDTSevere Thunderstorm WarningTSACreek, Okfuskee44 min
Jun 8, 10:42 PM CDTSevere Thunderstorm WarningTSAOkmulgee48 min
Jun 8, 10:44 PM CDTTornado WarningTSALeFlore46 min
Jun 8, 11:13 PM CDTSevere Thunderstorm WarningTSAMuskogee47 min
Jun 8, 11:33 PM CDTSevere Thunderstorm WarningTSALeFlore42 min
Jun 8, 11:56 PM CDTSevere Thunderstorm WarningTSACherokee, Muskogee49 min
Jun 9, 12:24 AM CDTSevere Thunderstorm WarningTSAAdair51 min
Jun 9, 12:38 AM CDTFlash Flood WarningTSAMuskogee2 hr
Jun 9, 12:41 AM CDTSevere Thunderstorm WarningTSACherokee, Muskogee49 min
Jun 9, 12:55 AM CDTFlash Flood WarningTSAAdair, Cherokee3 hr
Jun 9, 1:09 AM CDTSevere Thunderstorm WarningTSASequoyah51 min
Jun 9, 1:12 AM CDTSevere Thunderstorm WarningTSAAdair48 min
Jun 9, 1:26 AM CDTSevere Thunderstorm WarningTSACherokee34 min
Jun 9, 1:43 AM CDTSevere Thunderstorm WarningTSASequoyah47 min
Jun 8, 11:24 PM CDTTornado WarningTSASebastian36 min
Jun 8, 11:53 PM CDTTornado WarningTSASebastian37 min
Jun 9, 12:16 AM CDTFlash Flood WarningTSASebastian2 hr
Jun 9, 12:48 AM CDTSevere Thunderstorm WarningTSACrawford, Washington42 min
Jun 9, 1:32 AM CDTSevere Thunderstorm WarningTSACrawford, Franklin43 min
Jun 9, 2:12 AM CDTSevere Thunderstorm WarningTSACrawford, Sebastian48 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; radar from the NEXRAD Level II archive.