Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 384, NWS Norman, OK

July 2, 1992Pontotoc County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Jul 2, 1992, 8:47 PM CDT for Pontotoc County, Oklahoma. It was in force for 58 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
Jul 2, 1992, 8:47 PM CDT (01:47 UTC)
Expired
Jul 2, 1992, 9:45 PM CDT
In force
58 min
Issued by
NWS Norman, OK
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Pontotoc County, OK

The radar

The Norman radar (KTLX), 86 km from the middle of the area, began a volume at 01:51 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
Jul 2, 9:20 PM CDTHail 0.75Pontotoc, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 1.8 hours before the alert went out and 85 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 1992-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1704 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 1992-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -30 square meters per square second.193958Sfc1 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
1704 J/kg
Mixed-layer CIN
-27 J/kg
Mixed-layer LCL
2319 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
-30 m²/s²
0-3 km storm-relative helicity
81 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.3

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 Norman, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 2, 7:04 PM CDTSevere Thunderstorm WarningOUNGarvin41 min
Jul 2, 7:31 PM CDTSevere Thunderstorm WarningOUNStephens59 min
Jul 2, 7:40 PM CDTSevere Thunderstorm WarningOUNGarvin65 min
Jul 2, 8:27 PM CDTSevere Thunderstorm WarningOUNStephens63 min
Jul 2, 8:40 PM CDTSevere Thunderstorm WarningOUNGarvin65 min
Jul 2, 9:09 PM CDTSevere Thunderstorm WarningOUNMurray66 min
Jul 2, 9:11 PM CDTSevere Thunderstorm WarningOUNJefferson64 min
Jul 2, 9:28 PM CDTSevere Thunderstorm WarningOUNStephens32 min
Jul 2, 9:30 PM CDTSevere Thunderstorm WarningOUNCotton60 min
Jul 2, 9:50 PM CDTSevere Thunderstorm WarningOUNJohnston, Pontotoc55 min
Jul 2, 10:32 PM CDTSevere Thunderstorm WarningOUNCoal58 min
Jul 3, 12:15 AM CDTSevere Thunderstorm WarningOUNAtoka, Pushmataha60 min
Jul 3, 2:48 AM CDTSevere Thunderstorm WarningOUNChoctaw57 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1992Every severe thunderstorm warning in 1992

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.