Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 198, NWS Tulsa, OK

October 24, 1991LeFlore County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Oct 24, 1991, 11:15 PM CDT for LeFlore County, Oklahoma. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
Oct 24, 1991, 11:15 PM CDT (04:15 UTC)
Expired
Oct 25, 1991, 12:15 AM CDT
In force
60 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County LeFlore County, OK

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 4.3 hours before the alert went out and 248 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 1991-10-25Temperature 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 1991-10-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 99 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
2191 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
99 m²/s²
0-3 km storm-relative helicity
253 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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
Oct 24, 7:16 PM CDTSevere Thunderstorm WarningTSAMcIntosh44 min
Oct 24, 7:27 PM CDTTornado WarningTSAMcIntosh, Muskogee48 min
Oct 24, 7:38 PM CDTSevere Thunderstorm WarningTSACherokee52 min
Oct 24, 7:52 PM CDTSevere Thunderstorm WarningTSASequoyah68 min
Oct 24, 7:53 PM CDTSevere Thunderstorm WarningTSAPittsburg52 min
Oct 24, 8:34 PM CDTSevere Thunderstorm WarningTSAHaskell, Latimer, Pittsburg41 min
Oct 24, 9:15 PM CDTSevere Thunderstorm WarningTSALatimer, Pittsburg45 min
Oct 24, 9:57 PM CDTSevere Thunderstorm WarningTSALatimer48 min
Oct 24, 10:46 PM CDTSevere Thunderstorm WarningTSALatimer44 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1991Every severe thunderstorm warning in 1991

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.