Alert archive / Arkansas / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 113, NWS Tulsa, OK

April 19, 1996Crawford County, Sebastian County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at Apr 19, 1996, 8:11 PM CDT for Crawford County, Sebastian County, Arkansas. It was in force for 49 min. 6 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Apr 19, 1996, 8:11 PM CDT (01:11 UTC)
Expired
Apr 19, 1996, 9:00 PM CDT
In force
49 min
Issued by
NWS Tulsa, OK
Area
Whole counties

Counties Crawford County, AR, Sebastian County, AR

What was reported inside it

TimeReportWhereRemark
Apr 19, 8:19 PM CDTHail 1Van Buren, AR
Apr 19, 8:19 PM CDTHail 1Ft Smith, AR
Apr 19, 8:21 PM CDTHail 1.25Ft Smith, AR
Apr 19, 8:55 PM CDTHail 1Greenwood, AR
Apr 19, 9:03 PM CDTHail 1Greenwood, AR
Apr 19, 9:05 PM CDTHail 1Mulberry, AR

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 1.2 hours before the alert went out and 172 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 1996-04-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1996-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -22 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3220 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
-22 m²/s²
0-3 km storm-relative helicity
141 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 KTUL 200111
SVRTUL
ARC033-131-200200-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
811 PM CDT FRI APR 19 1996
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  900 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHWEST ARKANSAS
 
   ...SOUTHERN CRAWFORD COUNTY
 
IN WEST CENTRAL ARKANSAS
 
   ...NORTHERN SEBASTIAN COUNTY
 
AT 810 PM...RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES WEST OF FORT
SMITH. THE STORM WAS MOVING NORTHEAST AT 40 MILES AN HOUR. FORT SMITH
AND VAN BUREN ARE IN THE PATH OF THE STORM.
 
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.
 
KEEP TUNED TO THIS STATION FOR THE LATEST WEATHER BULLETINS.

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 Apr 19, 3:43 PM CDT, 4 hours 28 minutes earlier.

Area forecast discussion, Apr 19, 3:43 PM CDT, 4 hours 28 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
340 PM CDT FRI APR 19 1996

FIRST CONCERN IS PSBLTY OF TSTMS DVLPG THIS EVNG OVR ZN 77. 15Z RUC
SHOWS CAPE OF 1500 J/KG BY 00Z. 12Z ETA ALSO SHOWS LI ARND -4...K-
INDEX ARND 32...AND TOTAL TOTALS ARND 54. FEW CU ALSO NOTED OVR
OUACHITA MTNS ON VIS SATLT PIX. CONVRGNC ALONG SFC BNDRY AND LIFT
PROVIDED BY MTNS CUD BE ENUF TO BREAK CAP AND KICK OFF AN ISOLD
TSTM THIS EVNG. IF A TSTM DOES DVLP...AMOUNT OF INSTABILITY CUD
LEAD IT TO BECOME SEVERE.

SATURDAY LUKS TO BE A NICE SPRING DAY. SFC BNDRY SETTLES OVR TX
WITH HIGH PRES AND COOLER AIR BUILDING OVR AREA. WL MNTN SLT CHC
TRW IN ZN 77 IN CASE SFC BNDRY SETTLES JUST A LITTLE FURTHER NORTH
THAN XPCTD. OTRW...A MORE ACTIVE JET STREAM SHUD INCRS HIGH
CLOUDS...BUT LLVLS REMAIN DRY ON SAT.

SAT NT AND SUN...STRONG S/W EMERGES FROM SRN ROCKIES.  CYCLOGENESIS
IS EVIDENT OVR TX PNHDL AND LOW PRES MOVS OUR WAY.  BLEND OF
AVN/NGM IS THE MODEL CHOICE FOR THIS FCST PKG. WARM FRONT OVR TX
LIFTS BACK NORTH...AND SO DOES MSTR. LLVL THETA-E ADVECTION
BULLSEYE OVR EOK SHUD HELP TO RAPIDLY DESTABILIZE ATMOS...AND FRONT
WL ALSO PROVIDE STRONG ISENTROPIC LIFT...ESP OVR NRN ZNS. LUKS LIKE
RW/TRW ARE A GOOD BET ON SUN...ALTHO DRY PUNCH WORKING ACROSS SRN
OK ON SUN MRNG WL REACH MLC BY LATE MRNG...CAUSING RW/TRW TO END
THERE BY LATE SUN MRNG.

ON MON...ANOTHER S/W EMERGES FROM ROCKIES WITH INVERTED TROF
FORMING OVR CNTRL TX. DEEP MSTR XPCTD TO INCRS RAPIDLY AND RW/TRW
CHCS SHOOT UP AGAIN.
22

PRELIMS...
TUL 056/074 053/072 051 0026
FSM 054/078 053/074 055 2-36
MLC 054/077 055/073 054 2134
BVO 051/072 051/069     0026
FYV 051/072 046/069     0016
IDB 056/078 055/075     3245
BYV 052/074 047/071     0016

.TUL...
OK...NONE.
AR...NONE.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 19, 7:03 PM CDTSevere Thunderstorm WarningTSACrawford27 min
Apr 19, 7:43 PM CDTSevere Thunderstorm WarningTSAMadison32 min
Apr 19, 8:42 PM CDTSevere Thunderstorm WarningTSAWashington48 min
Apr 19, 8:50 PM CDTSevere Thunderstorm WarningTSACrawford40 min
Apr 19, 8:57 PM CDTSevere Thunderstorm WarningTSAMadison48 min
Apr 19, 9:30 PM CDTSevere Thunderstorm WarningTSASebastian45 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 1996Every severe thunderstorm warning in 1996

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.