Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 607, NWS Norman, OK

October 16, 1994Harmon County, Jackson County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Oct 16, 1994, 9:24 PM CDT for Harmon County, Jackson County, Oklahoma. It was in force for 51 min.

The area

The counties it named.

The facts

Issued
Oct 16, 1994, 9:24 PM CDT (02:24 UTC)
Expired
Oct 16, 1994, 10:15 PM CDT
In force
51 min
Issued by
NWS Norman, OK
Area
Whole counties

Counties Harmon County, OK, Jackson County, OK

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 2.4 hours before the alert went out and 199 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, Amarillo Airport, TX at 00:00Z on 1994-10-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 107 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, Amarillo Airport, TX at 00:00Z on 1994-10-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 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
107 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
2032 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
180 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KOKC 170226 RRA
SVROKC
OKC057-065-170315-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
924 PM CDT SUN OCT 16 1994

THE NATIONAL WEATHER SERVICE IN OKLAHOMA CITY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1015 PM CDT FOR
PEOPLE IN THE FOLLOWING COUNTIES

IN SOUTHWESTERN OKLAHOMA
     HARMON AND WESTERN JACKSON

INCLUDING THE FOLLOWING LOCATIONS
     CRETA...DUKE...ELDORADO...GOULD...HOLLIS...MC KNIGHT AND
     MC QUEEN

AT 924 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM 17 MILES
SOUTHWEST OF HOLLIS.

THE STORM WAS MOVING EAST TO NORTHEAST AT 27 MPH

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS 60 MPH OR HIGHER...
DESTRUCTIVE HAIL...DEADLY LIGHTNING AND HEAVY RAIN.  FOR YOUR
PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO DONT
DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.


LAT...LON 3448  9956 3445 F 9976 3466  9999 3479  9994
          3473  9942

PURPURA

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 16, 10:48 PM CDTSevere Thunderstorm WarningOUNJackson42 min
Oct 16, 11:06 PM CDTSevere Thunderstorm WarningOUNGreer39 min
Oct 17, 5:00 PM CDTTornado WarningOUNAlfalfa45 min
Oct 17, 5:21 PM CDTTornado WarningOUNMajor24 min
Oct 17, 5:39 PM CDTTornado WarningOUNAlfalfa, Major51 min
Oct 17, 6:01 PM CDTSevere Thunderstorm WarningOUNComanche, Tillman44 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1994Every severe thunderstorm warning in 1994

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.