Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 263, NWS Tulsa, OK

September 14, 1993Adair County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Sep 14, 1993, 1:17 AM CDT for Adair County, Oklahoma. It was in force for 43 min.

The area

The counties it named.

The facts

Issued
Sep 14, 1993, 1:17 AM CDT (06:17 UTC)
Expired
Sep 14, 1993, 2:00 AM CDT
In force
43 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Adair County, OK

The nearest sounding before it

Springfield, MO (KUMN), launched 00:00Z, 6.3 hours before the alert went out and 137 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 1993-09-14Temperature 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 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 1993-09-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 215 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
NaN m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
215 m²/s²
0-3 km storm-relative helicity
253 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.3

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 Sep 13, 8:44 PM CDT, 4 hours 33 minutes earlier.

Area forecast discussion, Sep 13, 8:44 PM CDT, 4 hours 33 minutes before
AREA FORECAST DISCUSSION FOR EASTERN OKLAHOMA
NATIONAL WEATHER SERVICE TULSA OK
840 PM CDT MON SEP 13 1993

VERY BUSY WITH SVR WX/FF THIS EVENING. COLD FNT SHUD MOV THRU TUL AROUND
04Z. CLD TOPS CONT TO COOL OVR N TX AND WL SPREAD INTO OK DURING NIGHT.
WL DROP WATCH IN N ZNS BUT WL CONT ELSEWHERE FOR REMAINDER OF
NIGHT. ZNS LOOK REASONABLE WITH ONLY MINOR ADJUSTMENTS EXPECTED.

...10...

.OK...FFA ZNS 031>034-040 TONIGHT.

In the hours before

Local storm report, Sep 14, 12:40 AM CDT, 37 minutes before
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Local storm report, Sep 14, 12:41 AM CDT, 36 minutes before
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Local storm report, Sep 14, 12:54 AM CDT, 23 minutes before
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Local storm report, Sep 14, 12:56 AM CDT, 21 minutes before
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Local storm report, Sep 14, 1:02 AM CDT, 15 minutes before
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Local storm report, Sep 14, 1:04 AM CDT, 13 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Sep 13, 7:23 PM CDTSevere Thunderstorm WarningTSACherokee, Muskogee, Wagoner52 min
Sep 13, 7:28 PM CDTSevere Thunderstorm WarningTSAMcIntosh32 min
Sep 13, 7:33 PM CDTSevere Thunderstorm WarningTSAMuskogee42 min
Sep 13, 8:09 PM CDTSevere Thunderstorm WarningTSAAdair, Delaware51 min
Sep 13, 8:14 PM CDTSevere Thunderstorm WarningTSASequoyah46 min
Sep 13, 8:22 PM CDTFlash Flood WarningTSAMcIntosh, Muskogee5 hr
Sep 13, 8:22 PM CDTFlash Flood WarningTSACherokee5 hr
Sep 13, 10:38 PM CDTFlash Flood WarningTSAAdair4 hr
Sep 14, 12:22 AM CDTSevere Thunderstorm WarningTSACherokee53 min
Sep 13, 8:34 PM CDTSevere Thunderstorm WarningTSABenton, Washington56 min
Sep 14, 2:03 AM CDTSevere Thunderstorm WarningTSABenton, Washington57 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 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.