Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 176, NWS Tulsa, OK

June 19, 1992Pawnee County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Jun 19, 1992, 8:22 PM CDT for Pawnee County, Oklahoma. It was in force for 53 min.

The area

The counties it named.

The facts

Issued
Jun 19, 1992, 8:22 PM CDT (01:22 UTC)
Expired
Jun 19, 1992, 9:15 PM CDT
In force
53 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Pawnee County, OK

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 1.4 hours before the alert went out and 137 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 1992-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 906 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 1992-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 221 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
906 J/kg
Mixed-layer CIN
-225 J/kg
Mixed-layer LCL
1165 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
221 m²/s²
0-3 km storm-relative helicity
407 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.5

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.

In the hours before

Special weather statement, Jun 19, 6:33 PM CDT, 1 hour 49 minutes before
OKZ026>034-040-201200-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
630 PM CDT FRI JUN 19 1992

...TORNADO WATCH #408 AND TORNADO WATCH #410 HAVE BEEN CANCELLED
   FOR ALL BUT MCCURTAIN COUNTY...

A LINE OF SEVERE THUNDERSTORMS HAS MOVED RAPIDLY ACROSS EASTERN
OKLAHOMA...RESULTING IN WIDESPREAD DAMAGE.  THE LINE OF THUNDERSTORMS
WAS LOCATED MENA ARKANSAS TO NASHOBA...IN CENTRAL PUSHMATAHA COUNTY...
TO KIOWA...IN SOUTHWESTERN PITTSBURG COUNTY AT 620 PM.

THIS LINE IS EXPECTED TO CONTINUE MOVING SOUTHWARD AT 40 MILES AN
HOUR AND WILL BE AFFECTING LATIMER...MCCURTAIN AND PUSHMATAHA
COUNTIES DURING THE NEXT 1 TO 2 HOURS.  THE DANGER HAS PASSED IN
NORTHEASTERN AND EAST CENTRAL OKL_AHOMA...THEREFORE THE TORNADO
WATCHES HAVE BEEN CANCELLED.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 9:47 PM CDTSevere Thunderstorm WarningTSACreek43 min
Jun 19, 10:25 PM CDTSevere Thunderstorm WarningTSACreek50 min
Jun 19, 10:35 PM CDTSevere Thunderstorm WarningTSAOkmulgee40 min
Jun 19, 10:51 PM CDTSevere Thunderstorm WarningTSAPawnee54 min
Jun 19, 11:09 PM CDTSevere Thunderstorm WarningTSACreek51 min
Jun 20, 3:11 AM CDTSevere Thunderstorm WarningTSAPolk54 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; the sounding from the Mesonet's radiosonde archive.