Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 332, NWS Tulsa, OK

July 22, 1995Osage County, Tulsa County, Washington County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Jul 22, 1995, 2:42 AM CDT for Osage County, Tulsa County, Washington County, Oklahoma. It was in force for 48 min.

The area

The counties it named.

The facts

Issued
Jul 22, 1995, 2:42 AM CDT (07:42 UTC)
Expired
Jul 22, 1995, 3:30 AM CDT
In force
48 min
Issued by
NWS Tulsa, OK
Area
Whole counties

Counties Osage County, OK, Tulsa County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 58 km from the middle of the area, began a volume at 07:46 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 7.7 hours before the alert went out and 184 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, Norman, OK at 00:00Z on 1995-07-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3489 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, Norman, OK at 00:00Z on 1995-07-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 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
3489 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
1356 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
97 m²/s²
Significant tornado parameter
0.5
Supercell composite
4.5

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 Jul 21, 8:30 PM CDT, 6 hours 12 minutes earlier.

Area forecast discussion, Jul 21, 8:30 PM CDT, 6 hours 12 minutes before
FPUS3 KTUL 220129
AFDTUL

EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
830 PM CDT FRI JUL 21 1995

SCTD STORMS HAVE DVLPD IN WRN/CNTRL OK ALG WEAK SFC TROF. STORMS
ARE BEING AIDED BY LIFT IN RIGHT REAR QUAD OF 250 MB JET
MAXIMUM AS SEEN ON 00Z PROFILER DATA. THE STORMS ARE WEAKENING
AS THEY MOVE AWAY FROM SFC TROF...BUT THE ACTIVITY SHUD GRADLY
SPREAD INTO ERN OK TONITE. OUN SNDG AT 00Z SHOWED VRY UNSTABLE
AIRMASS WITH STEEP MID LVL LAPSE RATES AND LTL CAP.

WL UP POPS INTO CHC CATEGORY IN AREAS W OF TUL FOR REST OF THE
NITE AS TRW OR AT LEAST REMNANT RW- SPREAD EWD FROM CNTRL OK.
WL KEEP ONLY A SLGT CHC IN NW AR AND EXTRM ERN OK TONITE WHERE
WDLY SCTD TRW- NOT LIKELY TO AFFECT THOSE AREAS TIL AFTR 09Z.

WL MAKE NO CHGS TO LATER PDS OF FCST. AFTN PKG HAS GUD HANDLE
ON TEMPS/POPS THRU THE WEEKEND AS SUBTROPICAL JET REMAINS ACRS
KS. BEST BET FOR SCTD STORMS APPRS TO BE ACRS NE OK THRU SAT
NITE AS THIS AREA WILL BE CLOSEST TO SUBTROP JET...COOLEST
MID LVL TEMPS AND PSBL SFC BNDRIES.
                                              /9

.TUL...NONE.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 22, 2:11 AM CDTSevere Thunderstorm WarningTSAOsage, Pawnee49 min
Jul 22, 2:42 AM CDTSevere Thunderstorm WarningTSACreek48 min
Jul 22, 5:04 PM CDTSevere Thunderstorm WarningTSALeFlore29 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1995Every severe thunderstorm warning in 1995

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; radar from the NEXRAD Level II archive.