Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 247, NWS Norman, OK

June 5, 1992Grady County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Jun 5, 1992, 9:53 PM CDT for Grady County, Oklahoma. It was in force for 52 min.

The area

The counties it named.

The facts

Issued
Jun 5, 1992, 9:53 PM CDT (02:53 UTC)
Expired
Jun 5, 1992, 10:45 PM CDT
In force
52 min
Issued by
NWS Norman, OK
Area
Whole counties

County Grady County, OK

The radar

The Norman radar (KTLX), 65 km from the middle of the area, began a volume at 02:56 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 nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 2.9 hours before the alert went out and 49 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 1992-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 604 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 1992-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 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
604 J/kg
Mixed-layer CIN
-85 J/kg
Mixed-layer LCL
836 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
232 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.6

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 5, 8:16 PM CDT, 1 hour 37 minutes before
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Special weather statement, Jun 5, 8:25 PM CDT, 1 hour 28 minutes before
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Special weather statement, Jun 5, 9:12 PM CDT, 41 minutes before
TXZ019-020-060315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WICHITA FALLS TX
910 PM CDT FRI JUN 5 1992

...A TORNADO WATCH IS IN EFFECT UNTIL MIDNIGHT FOR THE FOLLOWING NORTH
CENTRAL TEXAS COUNTIES...FOARD...HARDEMAN AND WILBARGER.

JUST AFTER 9 PM CDT...A SMALL AREA OF THUNDERSTORMS WERE OCCURRING
FROM JUST NORTH OF THE RED RIVER FROM NORTHEAST OF VERNON INTO THE
LAWTON VICINITY...MOVEMENT WAS TOWARDS THE EAST AT 15 MPH.

ELSEWHERE...A LARGER AREA OF THUNDERSTORMS WAS MOVING OUT OF THE
TEXAS PANHANDLE WITH THE LEADING EDGE GENERALLY ALONG OR WEST OF
A GAGE...WELLINGTON...MEMPHIS LINE. MOVEMENT WAS TOWARDS THE EAST
AT 30 MPH.

WITH UERY UNSTABLE ATMOSPHERIC CONDITIONS ACROSS THIS SECTION OF
NORTH CENTRAL TEXAS...THUNDERSTORMS WITH SEVERE WEATHER PARAMETERS
WILL LIKELY OCCUR IN WICHITA AND THE SURROUNDING COUNTY AREA TONIGHT.
Local storm report, Jun 5, 9:24 PM CDT, 29 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
925 PM FRI JUN 5 1992

TIME(CDT)/DATE        COUNTY        LOCATION / REPORT

901 PM                TILLMAN  N     GOLFBALL SIZE HAIL IN FREDERICK

902 PM                TILLMAN       QUARTER SIZE HAIL NEAR FREDERICK.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 5, 8:18 PM CDTSevere Thunderstorm WarningOUNTillman57 min
Jun 5, 8:52 PM CDTSevere Thunderstorm WarningOUNBeckham53 min
Jun 5, 9:06 PM CDTSevere Thunderstorm WarningOUNGreer, Harmon54 min
Jun 5, 9:11 PM CDTSevere Thunderstorm WarningOUNTillman64 min
Jun 5, 9:42 PM CDTSevere Thunderstorm WarningOUNKiowa, Washita63 min
Jun 5, 9:44 PM CDTSevere Thunderstorm WarningOUNBeckham31 min
Jun 5, 10:11 PM CDTSevere Thunderstorm WarningOUNComanche, Stephens64 min
Jun 5, 10:49 PM CDTSevere Thunderstorm WarningOUNWoods, Woodward41 min
Jun 5, 10:51 PM CDTTornado WarningOUNStephens54 min
Jun 5, 11:51 PM CDTSevere Thunderstorm WarningOUNCarter, Stephens39 min
Jun 6, 12:26 AM CDTSevere Thunderstorm WarningOUNCarter, Murray49 min
Jun 6, 1:00 AM CDTSevere Thunderstorm WarningOUNSeminole45 min
Jun 6, 2:49 AM CDTSevere Thunderstorm WarningOUNBryan, Choctaw41 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; radar from the NEXRAD Level II archive.