Alert archive / Oklahoma / Tornado Warnings in 1992

Tornado Warning 15, NWS Norman, OK

April 28, 1992Jackson County, Oklahoma

NWS Norman, OK issued this tornado warning at Apr 28, 1992, 8:20 PM CDT for Jackson County, Oklahoma. It was in force for 25 min. 2 reports 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
Apr 28, 1992, 8:20 PM CDT (01:20 UTC)
Expired
Apr 28, 1992, 8:45 PM CDT
In force
25 min
Issued by
NWS Norman, OK
Area
Whole counties

County Jackson County, OK

The radar

The Altus AFB radar (KFDR), 47 km from the middle of the area, began a volume at 01:21 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
Apr 28, 8:25 PM CDTTornado F0Jackson, OK
Apr 28, 8:50 PM CDTHail 1.75Jackson, 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, 1.3 hours before the alert went out and 197 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 1992-04-29Temperature 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 1992-04-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 371 square meters per square second.19395878Sfc1 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
693 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
371 m²/s²
0-3 km storm-relative helicity
779 m²/s²
Significant tornado parameter
0.0
Supercell composite
10.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KOKC 290120
TOROKC
OKC065-290145-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
820 PM CDT TUE APR 28 1992
 
THE NATIONAL WEATHER SERVICE IN OKLAHOMA CITY HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  845 PM CDT
FOR THE FOLLOWING OKLAHOMA LOCATIONS...
 
IN SOUTHWEST OKLAHOMA
 
   ...EASTERN JACKSON COUNTY
 
AT 8:20 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
TORNADO 5 MILES NORTHWEST OF BLAIR MOVING TO THE SOUTHEAST AT 25 MILES
AN HOUR. SPOTTERS REPORTED A TORNADO 7 MILES SOUTH OF GRANITE AT 8:20
PM.
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Apr 28, 6:22 PM CDT, 1 hour 58 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
6 20 PM TUE APR 28 1992

TIME(CDT)        COUNTY       LOCATION / REPORT

4 45 PM          LINCOLN      TREE DAMAGE 4 NE HARRAH

JKP
Local storm report, Apr 28, 6:34 PM CDT, 1 hour 46 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
6 30 PM TUE APR 28 1992

TIME(CDT)        COUNTY       LOCATION / REPORT

4 35 - 4 50 PM   GRANT        7 E POND CREEK DIME TO NICKEL SIZE HA.IL
                              COVERING THE GROUND

                              STORM TOTAL 1.25 INCHES OF RAIN

JKP
Local storm report, Apr 28, 6:43 PM CDT, 1 hour 37 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
6 38 PM TUE APR 28 1992

TIME(CDT)        COUNTY        LOCATION / REPORT

4 45 PM          POTTAWATOMIE  DIME SIZE HAIL TECUMSEH

JKP
Special weather statement, Apr 28, 7:06 PM CDT, 1 hour 14 minutes before
TXZ019-020-290130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WICHITA FALLS TX
700 PM CDT TUE APR 28 1992

...A TORNADO WATCH IS IN EFFECT FOR ARCHER...BAYLOR...CLAY...FOARD...
HARDEMAN...JACK...MONTAGUE...WICHITA...WILBARGER AND YOUNG COUNTIES
UNTIL MIDNIGHT...

AT 700 PM CDT RADAR SHOWED RAPIDLY DEVELOPING THUNDERSTORMS OVER EASTERN
AND NORTHWESTERN MONTAGUE COUNTY. THESE STORMS HAVE DEVELOPED DURING
THE PAST 20 MINUTES AND ARE ALREADY SHOWING SIGNS OF REACHING SEVERE
POTENTIAL SHORTLY. RESIDENTS IN EASTERN MONTAGUE COUNTY SHOULD BE ON
THE LOOKOUT FOR THREATING CONDITIONS AND BE READY TO TAKE QUICK ACTION
SHOULD SEVERE WEATHER BE SIGHTED OR IF A WARNING IS ISSUED. MOVEMENT
OF THESE STORMS WERE SOUTHEAST AT 30 MILES AN HOUR.

STAYED TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.
Special weather statement, Apr 28, 7:07 PM CDT, 1 hour 13 minutes before
TXZ019-020-290130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WICHITA FALLS TX
700 PM CDT TUE APR 28 1992

...A TORNADO WATCH IS IN EFFECT FOR ARCHER...BAYLOR...CLAY...FOARD...
HARDEMAN...JACK...MONTAGUE...WICHITA...WILBARGER AND YOUNG COUNTIES
UNTIL MIDNIGHT...

AT 700 PM CDT RADAR SHOWED RAPIDLY DEVELOPING THUNDERSTORMS OVER WESTERN
AND NORTHEASTERN MONTAGUE COUNTY. THESE STORMS HAVE DEVELOPED DURING
THE PAST 20 MINUTES AND ARE ALREADY SHOWING SIGNS OF REACHING SEVERE
POTENTIAL SHORTLY. RESIDENTS IN EASTERN MONTAGUE COUNTY SHOULD BE ON
THE LOOKOUT FOR THREATING CONDITIONS AND BE READY TO TAKE QUICK ACTION
SHOULD SEVERE WEATHER BE SIGHTED OR IF A WARNING IS ISSUED. MOVEMENT
OF THESE STORMS WERE SOUTHEAST AT 30 MILES AN HOUR.

STAYED TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.
Local storm report, Apr 28, 7:26 PM CDT, 54 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
725 PM TUE APR 28 1992

TIME(CDT)        COUNTY        LOCATION / REPORT

707 PM           DEWEY         DIME SIZE HAIL 1 MILE EAST AND 3.5 MILES
                               SOUTH OF CESTOS.

713 PM           DEWEY         NICKEL SIZE HAIL 2 MILES NORTHWEST OF
                               TALOGA.

JKP

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 28, 7:26 PM CDTSevere Thunderstorm WarningOUNDewey34 min
Apr 28, 7:43 PM CDTSevere Thunderstorm WarningOUNCuster47 min
Apr 28, 7:57 PM CDTSevere Thunderstorm WarningOUNWashita48 min
Apr 28, 8:04 PM CDTSevere Thunderstorm WarningOUNGreer, Jackson56 min
Apr 28, 8:10 PM CDTTornado WarningOUNGreer35 min
Apr 28, 8:33 PM CDTSevere Thunderstorm WarningOUNCaddo, Kiowa57 min
Apr 28, 8:39 PM CDTTornado WarningOUNJackson24 min
Apr 28, 8:55 PM CDTSevere Thunderstorm WarningOUNComanche46 min
Apr 28, 9:28 PM CDTSevere Thunderstorm WarningOUNCotton62 min
Apr 28, 10:11 PM CDTSevere Thunderstorm WarningOUNJefferson49 min

Nearby

Tornado Warnings in Oklahoma, 1992Every tornado warning in 1992Tornadoes 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.