Alert archive / Arkansas / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 277, NWS Tulsa, OK

June 30, 1994Sebastian County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at Jun 30, 1994, 7:11 PM CDT for Sebastian County, Arkansas. It was in force for 64 min.

The area

The counties it named.

The facts

Issued
Jun 30, 1994, 7:11 PM CDT (00:11 UTC)
Expired
Jun 30, 1994, 8:15 PM CDT
In force
64 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Sebastian County, AR

The nearest sounding before it

Springfield, MO (KUMN), launched 00:00Z, 0.2 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 1994-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 805 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 1994-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 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
805 J/kg
Mixed-layer CIN
-169 J/kg
Mixed-layer LCL
1475 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
129 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

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 Jun 30, 2:54 PM CDT, 4 hours 17 minutes earlier.

Area forecast discussion, Jun 30, 2:54 PM CDT, 4 hours 17 minutes before
AREA FORECAST DISCUSSION FOR EASTERN OKLAHOMA
NATIONAL WEATHER SERVICE TULSA OK
245 PM CDT THU JUN 30 1994

W.V. SATL PICS INDCT S/W HAS JUST ABT MOVD OUT OF EOK AND XPCT CONVCTN
TO DVLP MNLY EAST OF EOK THIS EVE.  DPR MOISTR RMNS OVR SERN OK...BUT
WL HV DIFFICULTY DVLPG CONVCTN BHND S/W.  ETA SHOWS ANOTHER S/W MOVG
ACRS NRN KS TNGT WHICH CUD SET OFF ANOTHR PSBL MCS OVRNGT.  HWVR..NGM
SHOWS A MUCH WKR S/W FARTHER NORTH TNGT.  NGM HAS BEEN CONSISTENT WITH
ITS PVS RUN...WHILE ETA HAS BACKED OFF FM ITS DPCTN FM THE PVS RUN.
WL LEAN TWDS NGM AND ONLY KEEP A SLGT CHC FOR LT NGT TSTMS IN NERN OK.

AFTWDS BOTH MDLS INDCT ANOTHR STGR S/W MOVG OVR THE UPR RDG FRI NGT.
AGAIN ETA DPCTS S/W STGR AND FARTHER SOUTH THAN NGM.  WL AGAIN GO WITH
NGMS MORE NRN TRAK AND NOT INTRODC TSTMS LT FRI NGT/ERY SAT MRNG.

TUL 73/97/74/97 2211               BVO 71/98/72/98 2211
MLC 75/97/75/97 2211               IDB 74/95/74/95 3211        ..11..

.TUL...NONE.

In the hours before

Local storm report, Jun 30, 2:16 PM CDT, 4 hours 55 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
216 PM CDT THU JUN 30 1994

REPORT FROM WEDNESDAY NIGHT JUNE 29 1994

TIME         COUNTY       EVENT

1130 PM      CREEK        WIND GUSTS UP TO 60 MPH ONE MILE SOUTH OF
                          IRON POST
Local storm report, Jun 30, 2:17 PM CDT, 4 hours 54 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
216 PM CDT THU JUN 30 1994

REPORT FROM WEDNESDAY NIGHT JUNE 29 1994

TIME         COUNTY       EVENT

1130 PM      CREEK        WIND GUSTS UP TO 60 MPH ONE MILE SOUTH OF
                          IRON POST

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 30, 7:00 PM CDTSevere Thunderstorm WarningTSALeFlore60 min
Jun 30, 7:26 PM CDTSevere Thunderstorm WarningTSAHaskell34 min
Jun 30, 8:07 PM CDTSevere Thunderstorm WarningTSALeFlore33 min
Jun 30, 7:33 PM CDTSevere Thunderstorm WarningTSALogan57 min
Jun 30, 8:09 PM CDTSevere Thunderstorm WarningTSAScott31 min
Jul 1, 1:16 PM CDTSevere Thunderstorm WarningTSAMadison59 min
Jul 1, 2:32 PM CDTSevere Thunderstorm WarningTSAFranklin, Madison58 min
Jul 1, 3:10 PM CDTSevere Thunderstorm WarningTSAMadison65 min
Jul 1, 3:30 PM CDTSevere Thunderstorm WarningTSACrawford, Franklin60 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 1994Every severe thunderstorm warning 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.