Alert archive / Oklahoma / Tornado Warnings in 1993

Tornado Warning 21, NWS Norman, OK

May 1, 1993Woodward County, Oklahoma

NWS Norman, OK issued this tornado warning at May 1, 1993, 12:54 AM CDT for Woodward County, Oklahoma. It was in force for 46 min.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
May 1, 1993, 12:54 AM CDT (05:54 UTC)
Expired
May 1, 1993, 1:40 AM CDT
In force
46 min
Issued by
NWS Norman, OK
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Woodward County, OK

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 5.9 hours before the alert went out and 164 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, Dodge City, at 00:00Z on 1993-05-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1353 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, Dodge City, at 00:00Z on 1993-05-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 171 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
1353 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
1197 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
171 m²/s²
0-3 km storm-relative helicity
185 m²/s²
Significant tornado parameter
1.1
Supercell composite
4.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KOKC 010558
TOROKC
OKC153-010640-

BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
1254 AM CDT SAT MAY 01 1993

THE NATIONAL WEATHER SERVICE IN OKLAHOMA CITY HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 140 AM CDT FOR PEOPLE IN THE
FOLLOWING COUNTY

IN NORTHWESTERN OKLAHOMA
     EASTERN WOODWARD

INCLUDING THE FOLLOWING LOCATIONS
     BELVA AND QUINLAN

AT 1254 AM CDT RADAR INDICATED A POSSIBLE TORNADO 2 MILES NORTHEAST OF
CURTIS MOVING TOWARD THE EAST AT 10 MILES PER HOUR. A TORNADO WAS
REPORTED ON THE GROUND WITH THIS STORM AT 1250 AM 2 MILES NORTHEAST OF
MOORELAND.

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 A SMALL INTERIOR
ROOM SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...
PILLOWS...OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.
ABANDON MOBILE HOMES FOR A REINFORCED BUILDING OR GET INTO A
DITCH OR CULVERT.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR CENTRAL...
NORTHERN AND WESTERN OKLAHOMA UNTIL 500AM CDT.

LAT...LON 3635  9895 3643  9916 3662  9912 3658  9896

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 30, 7:26 PM CDTSevere Thunderstorm WarningOUNWoods64 min
Apr 30, 7:30 PM CDTTornado WarningOUNHarper30 min
Apr 30, 7:56 PM CDTTornado WarningOUNHarper44 min
Apr 30, 8:25 PM CDTSevere Thunderstorm WarningOUNWoods25 min
Apr 30, 8:38 PM CDTTornado WarningOUNHarper37 min
Apr 30, 9:03 PM CDTSevere Thunderstorm WarningOUNAlfalfa42 min
Apr 30, 9:14 PM CDTTornado WarningOUNHarper36 min
Apr 30, 9:40 PM CDTSevere Thunderstorm WarningOUNAlfalfa, Grant50 min
Apr 30, 9:45 PM CDTTornado WarningOUNHarper, Woodward30 min
Apr 30, 10:15 PM CDTSevere Thunderstorm WarningOUNHarper, Woodward60 min
Apr 30, 10:58 PM CDTTornado WarningOUNWoodward32 min
Apr 30, 11:27 PM CDTTornado WarningOUNWoodward48 min
Apr 30, 11:31 PM CDTSevere Thunderstorm WarningOUNHarper59 min
Apr 30, 11:38 PM CDTSevere Thunderstorm WarningOUNAlfalfa67 min
May 1, 12:15 AM CDTTornado WarningOUNWoodward45 min
May 1, 12:40 AM CDTSevere Thunderstorm WarningOUNWoods60 min
May 1, 1:40 AM CDTSevere Thunderstorm WarningOUNMajor, Woods, Woodward50 min
May 1, 4:49 PM CDTSevere Thunderstorm WarningOUNJackson, Kiowa41 min
May 1, 5:11 PM CDTSevere Thunderstorm WarningOUNJackson49 min
May 1, 5:27 PM CDTSevere Thunderstorm WarningOUNKiowa48 min
May 1, 5:58 PM CDTSevere Thunderstorm WarningOUNJackson47 min

Nearby

Tornado Warnings in Oklahoma, 1993Every tornado warning in 1993Tornadoes in 1993

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.