Alert archive / Arkansas / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 360, NWS Tulsa, OK

November 14, 1993Johnson County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at Nov 14, 1993, 4:49 AM CST for Johnson County, Arkansas. It was in force for 56 min.

The area

The counties it named.

The facts

Issued
Nov 14, 1993, 4:49 AM CST (10:49 UTC)
Expired
Nov 14, 1993, 5:45 AM CST
In force
56 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Johnson County, AR

The nearest sounding before it

Springfield, MO (KUMN), launched 00:00Z, 10.8 hours before the alert went out and 151 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 1993-11-14Temperature 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 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 1993-11-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 227 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
558 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
227 m²/s²
0-3 km storm-relative helicity
430 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 Nov 13, 3:42 PM CST, 13 hours 7 minutes earlier.

Area forecast discussion, Nov 13, 3:42 PM CST, 13 hours 7 minutes before
AREA FORECAST DISCUSSION FOR EASTERN OKLAHOMA
NATIONAL WEATHER SERVICE TULSA OK
340 PM CST SAT NOV 13 1993

CDFNT KEPT SLIDING S TDY WHICH KEPT THINGS BUSY ARND HERE TRYING TO
MAKE SURE THE FCST WAS UPDATED. SO RUNNING A LITTLE BEHIND AND WL
TRY TO KEEP DISC SHORT.

LAST TIME I TOOK A LOOK AT THE MESODATA THE FNT WAS FROM ABT A FSM
TO DUA LINE. SEEMS TO HAVE BECOME NEARLY STATIONARY FOR THE LAST
SVRL HOURS IN THAT AREA. BEHIND FNT ITS QUITE COOL WITH NLY WIND
AND TO THE S ITS WARM AND JUICY (BROKEN BOW WAS 81/73 AT 2015Z).
ANYWAY LOTS OF MOISTURE RIDING UP OVER BNDRY WITH PROFILERS
INDICATING WNDS S 30-35 KT. THIS HAS LED TO A LARGE AREA OF
OVERRUNNING RAIN WITH EMBEDDED TRW OVER FA. RADAR SUMMARY SHOWING
A LITTLE BREAK IN W TX BEFORE NEXT AREA OF PRECIP ASSOC WITH STNG
S/W COMING OUT OF THE SW. S/W LOOKS RATHER IMPRESSIVE ON WV IMAGERY
WITH GOOD SUBSIDENCE/DRYING BEHIND THE TROF AXIS.

FEEL THAT HVY RAIN STILL A THREAT TO FA TNGT. NOT SURE WHICH AREAS
ARE LIKELY TO SEE MOST PRECIP SO INCLUDED IN ALL ZNS. ALTHO SELS
HAS KEPT MDT RISK UP FOR ALL OF ERN OK FEEL THAT PRIMARY THREAT WL
BE IN THE SERN 1/3 OF FA INVOF FNT. ALTHO...AN ISO SVR CELL IS NOT
OUT OF THE ? TO THE N OF THE FNT...LIKELY WHERE COLD AIR IS STILL
SHALLOW. NOT SURE IF BNDRY WL TRY TO LIFT N TNGT AS UPPER SYSTEM
COMES OUT. DECIDED TO JUST KEEP IT STNRY AND LET LATER SHIFT TAKE
A LOOK AT THIS IF TRW DON'T GET TOO BAD.

AFT S/W MOVES TO THE NE LOOKS LIKE THERE WILL BE A BREAK IN THE WET
WX THRU MON XCPT FOR THE XTRM SE WHERE SFC BNDRY WL STILL BE
NEARBY. FOR TEMPS WENT A FEW DEGREES COOLER THAN LATEST READING FOR
MINS TNGT AND THEN JUST STUCK CLOSE TO GUIDANCE FOR REMAINING PDS.

PRELIM NMBRS
TUL  46/61 39/51 +511     MLC 52/68 37/56 +512
BVO 44/60 34/49 +511     IDB 62/71 45/62 9623

07

.TUL...NONE.

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 13, 11:41 PM CSTSevere Thunderstorm WarningTSASequoyah49 min
Nov 14, 4:20 AM CSTSevere Thunderstorm WarningTSAHaskell40 min
Nov 14, 5:05 AM CSTSevere Thunderstorm WarningTSALeFlore55 min
Nov 13, 10:38 PM CSTSevere Thunderstorm WarningTSAWashington67 min
Nov 14, 1:34 AM CSTSevere Thunderstorm WarningTSAFranklin, Johnson, Logan56 min
Nov 14, 6:49 AM CSTSevere Thunderstorm WarningTSAJohnson56 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 1993Every severe thunderstorm warning in 1993

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.