Alert archive / Arkansas / Tornado Warnings in 1994

Tornado Warning 9, NWS Tulsa, OK

April 10, 1994Benton County, Arkansas

NWS Tulsa, OK issued this tornado warning at Apr 10, 1994, 6:39 PM CDT for Benton County, Arkansas. It was in force for 66 min.

The area

The counties it named.

The facts

Issued
Apr 10, 1994, 6:39 PM CDT (23:39 UTC)
Expired
Apr 10, 1994, 7:45 PM CDT
In force
66 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Benton County, AR

The nearest sounding before it

Springfield, MO (KUMN), launched 12:00Z, 11.7 hours before the alert went out and 74 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 1994-04-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 564 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 12:00Z on 1994-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 154 square meters per square second.1939587897Sfc1 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
564 J/kg
Mixed-layer CIN
-51 J/kg
Mixed-layer LCL
530 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
154 m²/s²
0-3 km storm-relative helicity
177 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFSM 102340
TORFSM
ARC007-110045-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE FORT SMITH AR
639 PM CDT SUN APR 10 1994
 
THE NATIONAL WEATHER SERVICE IN FORT SMITH HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  745 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHWEST ARKANSAS
 
   ...BENTON COUNTY
 
AT 630 PM CDT HAM SPOTTERS REPORTED GOLF-BALL SIZE HAIL NEAR
COLCORD IN DELAWARE COUNTY OKALHOMA...ABOUT 10 MILES NORTHWEST OF
SILOAM SPRINGS ARKANSAS.
 
WEATHER SERVICE RADAR INDICATED A POSSIBLE TORNADO APPROACHING
BENTON COUNTY...JUST NORTH OF SILOAM SPRINGS.
 
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.
 
 
 
&

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 10, 2:03 AM CDTSevere Thunderstorm WarningTSABenton57 min
Apr 10, 2:56 AM CDTSevere Thunderstorm WarningTSABenton64 min
Apr 10, 5:56 PM CDTSevere Thunderstorm WarningTSABenton64 min
Apr 10, 6:06 PM CDTSevere Thunderstorm WarningTSAMadison24 min

Nearby

Tornado Warnings in Arkansas, 1994Every tornado warning in 1994Tornadoes 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.