Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 396, NWS Tulsa, OK

August 26, 1994Ottawa County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Aug 26, 1994, 4:38 AM CDT for Ottawa County, Oklahoma. It was in force for 52 min.

The area

The counties it named.

The facts

Issued
Aug 26, 1994, 4:38 AM CDT (09:38 UTC)
Expired
Aug 26, 1994, 5:30 AM CDT
In force
52 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Ottawa County, OK

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 9.6 hours before the alert went out and 251 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, Topeka, KS at 00:00Z on 1994-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 299 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, Topeka, KS at 00:00Z on 1994-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 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
299 J/kg
Mixed-layer CIN
-106 J/kg
Mixed-layer LCL
2094 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
86 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 Aug 26, 4:00 AM CDT, 38 minutes earlier.

Area forecast discussion, Aug 26, 4:00 AM CDT, 38 minutes before
FPUS3 KTUL 260858
AFDTUL

AREA FORECAST DISCUSSION FOR EASTERN OKLAHOMA
NATIONAL WEATHER SERVICE TULSA OK
400 AM CDT FRI AUG 26 1994

88-D AND AREA PROFILERS SHOWING RATHER STG LLVL JET THAT HAS KEEP
ERN KS TSTM CMPLX GOING OVRNGT.  CMPLX MOVG SSEWRD AND MAIN EFFECT
WL BE OVR NE CORNER OF STATE THIS MRNG BFR WEAKENING.  ALTHO MAIN
AFFECT WL BE THIS MRNG...SYSTM WL LKLY LV A BNDRY SOMEWHERE ACRS
THE AREA TDA...SO WL MAINTAIN POPS INTO THE AFTN OVR THE NORTH.
FURTHER SOUTH...WL CONT LO POPS FRM PREV FCST...ALTHO FAR SE MAY
ONLY SEE ISOLD ACTVTY SIM TO PAST FEW DAYS.  W/ SYSTM WEAKENING
AND MOVG OUT OF THE PICTURE BY TNGT...XPCT WX TO RTN TO PATTERN
OF PAST FEW DAYS W/ UPR RDGG THE MAIN FTR.  MCS WL MAKE TEMPS
TRICKY IN THE NE TDA...OTHRWS ABV NORM TEMPS TO CONT BCMG SLGTLY
HOTTER EACH DAY.

PRELIM NUMBERS:  TUL 92/73/94 500  BVO 93/72/95 700
                 MLC 92/73/94 210  IDB 92/71/93 21-
...04...

.TUL...NONE.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 26, 4:38 AM CDTSevere Thunderstorm WarningTSACraig, Nowata, Ottawa67 min
Aug 26, 4:38 AM CDTSevere Thunderstorm WarningTSACraig, Nowata52 min
Aug 26, 5:42 AM CDTSevere Thunderstorm WarningTSACraig, Mayes, Rogers48 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 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.