Alert archive / Arkansas / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 121, NWS Tulsa, OK

June 14, 1992Johnson County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at Jun 14, 1992, 3:22 PM CDT for Johnson County, Arkansas. It was in force for 68 min.

The area

The counties it named.

The facts

Issued
Jun 14, 1992, 3:22 PM CDT (20:22 UTC)
Expired
Jun 14, 1992, 4:30 PM CDT
In force
68 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Johnson County, AR

The nearest sounding before it

Springfield, MO (KUMN), launched 12:00Z, 8.4 hours before the alert went out and 151 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, Springfield, MO at 12:00Z on 1992-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 696 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, Springfield, MO at 12:00Z on 1992-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 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
696 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
758 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
106 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFSM 142022
SVRFSM
ARC071-142130-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FORT SMITH AR
322 PM CDT SUN JUN 14 1992
 
THE NATIONAL WEATHER SERVICE IN FORT SMITH HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  430 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN WEST ARKANSAS
 
   ...JOHNSON COUNTY
 
RADAR AT 320 PM CDT WAS SHOWING SEVERE THUNDERSTORMS IN JOHNSON COUNTY
BETWEEN CLARKSVILLE AND OARK AND JUST EAST OF CLARKSVILLE. MOVEMENT
WAS EAST AT 25 MPH.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY 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
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

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 14, 12:16 PM CDT, 3 hours 6 minutes before
OKZ026>034-141800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1215 PM CDT SUN JUN 14 1992

...SEVERE THUNDERSTORM WATCH FOR MOST OF EASTERN OKLAHOMA TIL 4PM...

AT 1215 PM A BAND OF THUNDERSTORMS WITH VERY HEAVY RAIN EXTENDED FROM
40 MILES EAST OF TULSA TO 10 MILES SOUTH OF TULSA.  ANOTHER AREA OF
STORMS WAS OVER NORTHWEST OSAGE COUNTY.  BOTH AREAS WERE MOVING TO THE
EAST SOUTHEAST AT 25 MPH.  STAY INDOORS IF STORMS ARE IN YOUR AREA.
GUSTY WINDS AND FREQUENT LIGHTNING WILL ACCOMPANY THESE THUNDERSTORMS.

WHEN DRIVING ANYWHERE IN NORTHEAST OKLAHOMA THIS AFTERNOON...USE
CAUTION.  HEAVY RAINFALL IN SOME AREAS HAS PRODUCED FLOODED SPOTS
IN SOME ROADWAYS.

LISTEN TO RADIO AND TV FOR THE LATEST INFORMATION.
Special weather statement, Jun 14, 2:15 PM CDT, 1 hour 7 minutes before
OKZ026>034-040-151200-

EASTERN OKLAHOMA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
215 PM CDT SUN JUN 14 1992

THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND
TONIGHT ALONG AND SOUTH OF A LINE FROM THE ARKANSAS LINE AT WESTVILLE
TO DRUMRIGHT IN CREEK COUNTY.  THERE IS A SLIGHT RISK OF SEVERE
THUNDERSTORMS THIS AFTERNOON AND TONIGHT IN THE REMAINDER OF EASTERN
OKLAHOMA.

A TORNADO WATCH IS IN EFFECT UNTIL 8PM FOR THE MODERATE RISK AREA.

STRONG TO SEVERE THUNDERSTORMS HAVE MOVED ACROSS NORTHEASTERN OKLAHOMA
DURING THE MORNING AND EARLY AFTERNOON.  THIS ACTIVITY HAS RESULTED IN A
BOUNDARY ACROSS THE AREA.  AT 1PM THE BOUNDARY EXTENDED FROM NEAR
STILWELL TO NEAR EUFAULA TO BETWEEN OKLAHOMA CITY AND AND STILLWATER.

CURRENTLY A SEVERE THUNDERSTORM WAS TRACKING ALONG THE BOUNDARY IN
EXTREME EAST CENTRAL OKLAHOMA.  IN ADDITION...SEVERE THUNDERSTORMS WERE
TRACKING EASTWARD ALONG THE BOUNDARY IN CENTRAL OKLAHOMA.  THE STORM IN
THE EAST CENTRAL PART OF THE STATE WILL SOON MOVE INTO ARKANSAS.  THE
STORMS IN THE CENTRAL PART OF THE STATE WILL CONTINUE EAST AND
SOUTHEAST.

THE ATMOSPHERE ALONG AND SOUTH OF THE THUNDERSTORM BOUNDARY IS EXTREMELY
UNSTABLE AND THE LOW LEVEL WIND PROFILE NEAR THE BOUNDARY IS QUITE
FAVORABLE FOR SEVERE THUNDERSTORMS.  THE THUNDERSTORMS IN CENTRAL
OKLAHOMA WILL BE CAPABLE OF VERY LARGE HAIL AND DAMAGING WINDS AS THEY
TRACK ALONG THE BOUNDARY...IN ADDITION TORNADOES WILL BE A DEFINITE
THREAT.

IN THE SLIGHT RISK AREA THE ATMOSPHERE HAS BEEN STABILIZED BY THE
MORNING STORMS...BUT THE ATMOSPHERE THERE MAY DESTABILIZE TONIGHT AND
THE THREAT FOR STRONGER STORMS MAY RETURN THERE BEFORE THE NIGHT IS
OVER.

ALSO ANY STORMS IN EASTERN OKLAHOMA MAY PRODUCE LOCALIZED FLOODING OF
LOW LYING AREAS.

SPOTTERS IN THE TORNADO WATCH SHOULD ACTIVATE NOW. SPOTTERS IN THE
ELSEWHERE SHOULD MONITOR LOCAL CONDITIONS AND BE READY TO ACTIVATE.

THIS NOTE...THE LAST SCHEDULED EASTERN OKLAHOMA THUNDERSTORM OUTLOOK
WILL BE ISSUED ON MONDAY AFTERNOON.  OTHER SPECIAL OUTLOOKS MAY BE
ISSUED AS NEEDED UNTIL SCHEDULED OUTLOOKS RESUME  NEXT YEAR.
Local storm report, Jun 14, 3:22 PM CDT, 0 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
315 PM CDT SUN JUN 14 1992

TIME(CDT)    COUNTY         REPORT

1100 AM      TULSA          DIME SIZE HAIL AT 11TH AND GARNETT

1112 AM      CREEK          QUARTER SIZE HAIL AT LAKE HEYBURN

1115 AM      ROGERS         DIME SIZE HAIL IN CATOOSA

1125 AM      ROGERS         DIME SIZE HAIL 5 MILES EAST OF CATOOSA

1200 PM      WAGONER        3 1/2 INCH DIAMETER TREE LIMBS DOWN IN
                            WAGONER

1249 PM      MUSKOGEE       DIME SIZE HAIL IN MUSKOGEE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 1:19 PM CDTSevere Thunderstorm WarningTSAWashington56 min
Jun 14, 2:17 PM CDTSevere Thunderstorm WarningTSACrawford58 min
Jun 14, 2:23 PM CDTSevere Thunderstorm WarningTSASebastian67 min
Jun 14, 3:06 PM CDTSevere Thunderstorm WarningTSAFranklin54 min
Jun 14, 3:34 PM CDTSevere Thunderstorm WarningTSAScott56 min
Jun 14, 3:37 PM CDTSevere Thunderstorm WarningTSALogan68 min
Jun 14, 5:23 PM CDTSevere Thunderstorm WarningTSAPolk, Scott67 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 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.