Alert archive / Arkansas / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 101, NWS Tulsa, OK

June 9, 1992Sebastian County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at Jun 9, 1992, 8:10 PM CDT for Sebastian County, Arkansas. It was in force for 65 min.

The area

The counties it named.

The facts

Issued
Jun 9, 1992, 8:10 PM CDT (01:10 UTC)
Expired
Jun 9, 1992, 9:15 PM CDT
In force
65 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Sebastian County, AR

The nearest sounding before it

Springfield, MO (KUMN), launched 00:00Z, 1.2 hours before the alert went out and 194 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 00:00Z on 1992-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1219 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 00:00Z on 1992-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 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
1219 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
700 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
158 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 KFSM 100111
SVRFSM
ARC131-100215-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FORT SMITH AR
810 PM CDT TUE JUN 9 1992
 
THE NATIONAL WEATHER SERVICE IN FORT SMITH HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  915 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN WEST ARKANSAS
 
   ...SEBASTIAN COUNTY
 
A SEVERE THUNDERSTORM WAS INDICATED BY RADAR 2 MILES SOUTHWEST OF FT
SMITH ARKANSAS MOVING EAST AT 20 MILES AN HOUR.
 
 
 
 
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 9, 2:59 PM CDT, 5 hours 11 minutes before
OKZ026>034-040-101200-

EASTERN OKLAHOMA THUNDERSTORM OUTLOOK...UPDATED...
NATIONAL WEATHER SERVICE TULSA OK
300 PM CDT TUE JUN 9 1992

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THE REST OF THIS
AFTERNOON AND EVENING ACROSS PARTS OF SOUTHEAST OKLAHOMA. THE SLIGHT
RISK AREA INCLUDES THE COUNTIES OF PITTSBURG...LATIMER...LEFLORE AND
MCCURTAIN. THUNDERSTORMS MAY APPROACH SEVERE LIMITS ACROSS THE
REMAINDER OF EASTERN OKLAHOMA.

A VERY MOIST ATMOSPHERE REMAINS OVER EASTERN OKLAHOMA WITH DEWPOINTS
BETWEEN 65 AND 70. TEMPERATURES HAVE RISEN WELL INTO THE 80S ACROSS
SOUTHEAST OKLAHOMA CAUSING THE AIRMASS TO BECOME QUITE UNSTABLE.
STRONG THUNDERSTORMS WERE DEVELOPING NEAR THE RED RIVER AT MID
AFTERNOON AND ADDITIONAL THUNDERSTORM DEVELOPMENT IS EXPECTED IN
SOUTHEAST OKLAHOMA THIS AFTERNOON AND EVENING. THESE STORMS WILL BE
CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS.

ACROSS THE REMAINDER OF EASTERN OKLAHOMA CONSIDERABLE CLOUD COVER HAS
LIMITED SURFACE HEATING. SATELLITE PICTURES INDICATE THAT THE CLOUDS
ARE THINNING SOUTH OF A TULSA TO WEST SILOAM SPRINGS LINE AND THIS
SHOULD ALLOW THE AIRMASS TO WARM SOME AND DESTABILIZE. THNUDERSTORMS
MAY DEVELOP IN EAST CENTRAL AND NORTHEAST OKLAHOMA LATE THIS AFTERNOON
AND EVENING AND THESE STORMS MAY PRODUCE HAIL UP TO 1/2 INCH IN
DIAMETER AND WIND GUSTS TO AROUND 40 MILES AN HOUR. WEAK WIND FIELDS
AND THE LACK OF SUFFICIENT INSTABILITY SHOULD KEEP THESE STORMS BELOW
SEVERE) LIMITS HOWEVER.

SPOTTER GROUPS IN SOUTHEAST OKLAHOMA SHOULD BE PREPARED FOR ACTIVATION
THE REMAINDER OF THIS AFTERNOON AND EVENING.
Special weather statement, Jun 9, 5:11 PM CDT, 2 hours 59 minutes before
OKZ033-034-040-092300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
510 PM CDT TUE JUN 9 1992

...SEVERE THUNDERSTORM WATCH CANCELLED FOR MUCH OF SOUTHEAST OKLAHOMA..

THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR MOST OF SOUTHEAST
OKLAHOMA BUT REMAINS IN EFFECT FOR MCCURTAIN COUNTY. THUNDERSTORMS WERE
MOVING ACROSS MCCURTAIN COUNTY AT 5 PM AND SHOULD EXIT EXTREME
SOUTHEAST OKLAHOMA BY 6 PM. THERE IS STILL POTENTIAL FOR THESE STORMS
TO PRODUCE LARGE HAIL AND DAMAGING WINDS IN MCCURTAIN COUNTY.

SCATTERED THUNDERSTORMS ARE BEGINNING TO DEVELOP ACROSS THE REMAINDER
OF EASTERN OKLAHOMA. SOME OF THESE STORMS MAY PRODUCE SMALL HAIL AND
GUSTY WINDS BUT THEY ARE NOT LIKELY T0O BECOME SEVERE. MOST OF THE
THUNDERSTORMS SHOULD WEAKEN BY AROUND 8 PM WITH THE LOSS OF DAYTIME
HEATING.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 5:57 PM CDTSevere Thunderstorm WarningTSAScott63 min
Jun 10, 6:22 PM CDTSevere Thunderstorm WarningTSAPolk68 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.