Alert archive / Arkansas / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 327, NWS Tulsa, OK

July 4, 1995Sebastian County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at Jul 4, 1995, 9:40 PM CDT for Sebastian County, Arkansas. It was in force for 50 min.

The area

The counties it named.

The facts

Issued
Jul 4, 1995, 9:40 PM CDT (02:40 UTC)
Expired
Jul 4, 1995, 10:30 PM CDT
In force
50 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Sebastian County, AR

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 2.7 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 1995-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2328 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 00:00Z on 1995-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 188 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
2328 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
1132 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
188 m²/s²
0-3 km storm-relative helicity
220 m²/s²
Significant tornado parameter
1.7
Supercell composite
12.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTUL 050308 RRA
SVRTUL
ARC131-050330-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED...RETRANSMITTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
940 PM CDT TUE JUL 4 1995
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1030 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST CENTRAL ARKANSAS
 
   ...SEBASTIAN COUNTY
 
AT 940 PM WEATHER SERVICE RADAR SHOWED A SEVERE THUNDERSTORM
CENTERED 2 MILES SOUTHWEST OF HACKETT MOVING NORTHEAST AT 30 MPH.
HACKETT AND GREENWOOD ARE IN THE PATH OF THIS STORM.  THIS STORM
WILL PASS TO THE SOUTH OF THE FORT SMITH AREA.
 
HAIL TO THE SIZE OF NICKELS AND WIND GUSTS TO 60 MPH CAN BE EXPECTED
IN THE WARNED AREA.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER...
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH
LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO RAPIDLY
CHANGING WEATHER CONDITIONS.

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.

NWS Tulsa, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 4, 9:11 PM CDT, 29 minutes earlier.

Area forecast discussion, Jul 4, 9:11 PM CDT, 29 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
900 PM CDT TUE JUL 4 1995

LN OF SVR STMS CONTS THIS EVNG FRM NWRN AR INTO ERN OK.  LN HS
ACCELERATED OUT OVR NRN PART OF FA THRU THE EVNG...WHILE DRAGGING
SLOWLY EWRD FURTHER SOUTH.  MESONET DATA SHOWS MAIN SFC TROF OVR
CNTL PART OF STATE HAS EDGED INTO NWRNMOST FA COUNTIES.  WL MAKE
A FEW CHGS FOR TNGT AS LN WL CONT TO PROGRESS EWRD WHILE REMAINING
SVR ACRS HREMAINDER OF AREA.  WL ALSO KEEP SOME LO POPS OVR MOST
OF THE AREA BHND THE LN AS SFC TROF WL BE SLOW TO MOV ACRS.

...04...

.TUL...NONE.

In the hours before

Special weather statement, Jul 4, 4:31 PM CDT, 5 hours 9 minutes before
ARZ001-002-010-011-019-029-OKZ054>077-051200-

EASTERN OKLAHOMA/NORTHWEST ARKANSAS THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
430 PM CDT TUE JUL 4 1993

...UPDATE FOR SHORT TERM TRENDS...

A THUNDERSTORM HAS RAPIDLY BECOME SEVERE OVER SOUTHEAST CREEK
COUNTY BETWEEN BRISTOW AND SLICK.  THE STORM IS MOVING NORTHEAST AT
25 TO 30 MPH AND WILL AFFECT PARTS OF SOUTHERN TULSA COUNTY AND
POSSIBLY NORTHERN OKMULGEE COUNTY BETWEEN 5 AND 630 PM.  WITH
EXTREME INSTABILITY AND A MODERATELY FAVORABLE WIND PROFILE THIS
STORM MAY BECOME A SUPERCELL WITH THE THREAT OF EXTREMELY LARGE
HAIL...DAMAGING WINDS AND TORNADOES.

EMERGENCY MANAGEMENT AGENCIES AND SPOTTER GROUPS IN CREEK...TULSA
AND OKMUfLGEE COUNTIES SHOULD IMMEDIATELY DEPLOY SPOTTERS ON THIS
STORM.

PERSONS IN EASTERN CREEK...SOUTHERN TULSA AND NORTHER OKMULGEE
COUNTY SHOULD BE READY TO MOVE TO A PLACE OF SAFETY AND MONITOR THE
SITUATION CLOSELY.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 4, 7:23 PM CDTSevere Thunderstorm WarningTSABenton, Carroll, Madison67 min
Jul 4, 7:23 PM CDTSevere Thunderstorm WarningTSAWashington67 min
Jul 4, 8:01 PM CDTSevere Thunderstorm WarningTSAWashington59 min
Jul 4, 8:18 PM CDTSevere Thunderstorm WarningTSACarroll42 min
Jul 4, 8:39 PM CDTSevere Thunderstorm WarningTSACrawford, Sebastian66 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 1995Every severe thunderstorm warning in 1995

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.