Alert archive / Arkansas / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 119, NWS Tulsa, OK

April 19, 1996Sebastian County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at Apr 19, 1996, 9:30 PM CDT for Sebastian County, Arkansas. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Apr 19, 1996, 9:30 PM CDT (02:30 UTC)
Expired: Apr 19, 1996, 10:15 PM CDT
In force: 45 min
Issued by: NWS Tulsa, OK
Area: Whole counties

County Sebastian County, AR

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 2.5 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, 5 hours 47 minutes earlier.

Area forecast discussion, Apr 19, 3:43 PM CDT, 5 hours 47 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.

In the hours before

Local storm report, Apr 19, 8:48 PM CDT, 42 minutes before

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Local storm report, Apr 19, 8:51 PM CDT, 39 minutes before

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Local storm report, Apr 19, 9:21 PM CDT, 9 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 19, 7:30 PM CDT	Severe Thunderstorm Warning	TSA	Haskell	30 min
Apr 19, 8:19 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore	41 min
Apr 19, 9:00 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore	45 min
Apr 19, 9:42 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore	48 min
Apr 19, 7:03 PM CDT	Severe Thunderstorm Warning	TSA	Crawford	27 min
Apr 19, 7:43 PM CDT	Severe Thunderstorm Warning	TSA	Madison	32 min
Apr 19, 8:11 PM CDT	Severe Thunderstorm Warning	TSA	Crawford, Sebastian	49 min
Apr 19, 8:42 PM CDT	Severe Thunderstorm Warning	TSA	Washington	48 min
Apr 19, 8:50 PM CDT	Severe Thunderstorm Warning	TSA	Crawford	40 min
Apr 19, 8:57 PM CDT	Severe Thunderstorm Warning	TSA	Madison	48 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 1996 Every 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; the sounding from the Mesonet's radiosonde archive.